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Academic literature on the topic 'Potassium batterie'

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Published: 9 March 2023
Last updated: 10 March 2023

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Journal articles on the topic "Potassium batterie"

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Lee, Suyeong, Jun Lee, Jaekook Kim, Marco Agostini, Shizhao Xiong, Aleksandar Matic, and Jang-Yeon Hwang. "Recent Developments and Future Challenges in Designing Rechargeable Potassium-Sulfur and Potassium-Selenium Batteries." Energies 13, no. 11 (June 1, 2020): 2791. http://dx.doi.org/10.3390/en13112791.

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The use of chalcogenide elements, such as sulfur (S) and selenium (Se), as cathode materials in rechargeable lithium (Li) and sodium (Na) batteries has been extensively investigated. Similar to Li and Na systems, rechargeable potassium–sulfur (K–S) and potassium–selenium (K–Se) batteries have recently attracted substantial interest because of the abundance of K and low associated costs. However, K–S and K–Se battery technologies are in their infancy because K possesses overactive chemical properties compared to Li and Na and the electrochemical mechanisms of such batteries are not fully understood. This paper summarizes current research trends and challenges with regard to K–S and K–Se batteries and reviews the associated fundamental science, key technological developments, and scientific challenges to evaluate the potential use of these batteries and finally determine effective pathways for their practical development.
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Sun, Hao, Peng Liang, Guanzhou Zhu, Wei Hsuan Hung, Yuan-Yao Li, Hung-Chun Tai, Cheng-Liang Huang, et al. "A high-performance potassium metal battery using safe ionic liquid electrolyte." Proceedings of the National Academy of Sciences 117, no. 45 (October 26, 2020): 27847–53. http://dx.doi.org/10.1073/pnas.2012716117.

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Potassium secondary batteries are contenders of next-generation energy storage devices owing to the much higher abundance of potassium than lithium. However, safety issues and poor cycle life of K metal battery have been key bottlenecks. Here we report an ionic liquid electrolyte comprising 1-ethyl-3-methylimidazolium chloride/AlCl3/KCl/potassium bis(fluorosulfonyl) imide for safe and high-performance batteries. The electrolyte is nonflammable and exhibits a high ionic conductivity of 13.1 mS cm−1at room temperature. A 3.6-V battery with K anode and Prussian blue/reduced graphene oxide cathode delivers a high energy and power density of 381 and 1,350 W kg−1, respectively. The battery shows an excellent cycling stability over 820 cycles, retaining ∼89% of the original capacity with high Coulombic efficiencies of ∼99.9%. High cyclability is also achieved at elevated temperatures up to 60 °C. Uniquely, robust K, Al, F, and Cl-containing passivating interphases are afforded with this electrolyte, which is key to superior battery cycling performances.
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Popovic, J. "Review—Recent Advances in Understanding Potassium Metal Anodes." Journal of The Electrochemical Society 169, no. 3 (March 1, 2022): 030510. http://dx.doi.org/10.1149/1945-7111/ac580f.

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In the recent years, together with sodium, potassium-based batteries are raising a considerable attention as a possible alternative for replacing lithium batteries. This concise review gives an insight in the particularities of the interphases (solid electrolyte interphase) and interfaces (dendrite growth) in battery cells where potassium metal is in contact with liquid electrolytes, based on available theories and very recent experimental evidence. In addition, the electrochemical background of issues occurring in solid-state batteries with K metal anodes are touched upon.
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Wang, Yiwei, Yunzhuo Liu, Fengjun Ji, Deping Li, Jinru Huang, Hainan Sun, Shuang Wen, Qing Sun, Jingyu Lu, and Lijie Ci. "A Comparative Study on the K-ion Storage Behavior of Commercial Carbons." Crystals 12, no. 8 (August 13, 2022): 1140. http://dx.doi.org/10.3390/cryst12081140.

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Potassium-ion battery, a key analog of lithium-ion battery, is attracting enormous attentions owing to the abundant reserves and low cost of potassium salts, and the electrochemically reversible insertion/extraction of the K-ion within the commercial graphite inspires a research spotlight in searching and designing suitable carbon electrode materials. Herein, five commercially available carbons are selected as the anode material, and the K-ion storage capability is comparably evaluated from various aspects, including reversible capacity, cyclability, coulombic efficiency, and rate capability. This work may boost the development of potassium-ion batteries from a viewpoint of practical applications.
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Zhu, Xingqun, Rai Nauman Ali, Ming Song, Yingtao Tang, and Zhengwei Fan. "Recent Advances in Polymers for Potassium Ion Batteries." Polymers 14, no. 24 (December 17, 2022): 5538. http://dx.doi.org/10.3390/polym14245538.

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Potassium-ion batteries (KIBs) are considered to be an effective alternative to lithium-ion batteries (LIBs) due to their abundant resources, low cost, and similar electrochemical properties of K+ to Li+, and they have a good application prospect in the field of large-scale energy storage batteries. Polymer materials play a very important role in the battery field, such as polymer electrode materials, polymer binders, and polymer electrolytes. Here in this review, we focus on the research progress of polymers in KIBs and systematically summarize the research status and achievements of polymer electrode materials, electrolytes, and binders in potassium ion batteries in recent years. Finally, based on the latest representative research of polymers in KIBs, some suggestions and prospects are put forward, which provide possible directions for future research.
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Khudyshkina, Anna D., Polina A. Morozova, Andreas J. Butzelaar, Maxi Hoffmann, Manfred Wilhelm, Patrick Theato, Stanislav S. Fedotov, and Fabian Jeschull. "Poly(ethylene oxide)-Based Electrolytes for Solid-State Potassium Metal Batteries." ECS Meeting Abstracts MA2022-01, no. 1 (July 7, 2022): 66. http://dx.doi.org/10.1149/ma2022-01166mtgabs.

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Most conventional batteries today employ organic liquid electrolytes (LEs) that are not only flammable, but also serve as a medium for irreversible side reactions at the electrode interfaces, especially when metal is used as electrode. In post-lithium systems, such as potassium batteries, this issue is even more pronounced due to a higher reactivity of the metal as compared to lithium, and typically results in electrochemical instability leading to a rapid capacity fade of the battery.[1] When switching from LEs to solid polymer electrolytes (SPEs) that typically show better electrochemical stability at low (< 0.5 V vs. K+/K) and high (> 4 V vs. K+/K) potentials due to polymers inherent inertness, enhanced cycle life of the battery is expected.[2] Moreover, well-known disadvantage of SPEs in Li-based batteries, i.e., poor ionic conductivity at ambient temperature, could be overcome in systems with larger cation size, e.g. K+ [3,4], potentially removing some of the bottlenecks previously encountered in the case of Li-transport. In this presentation, a series of poly(ethylene oxide) - potassium bis(trifluoromethane sulfonyl)imide (PEO-KTFSI) compositions with different salt concentration was investigated for their potential application as SPEs in potassium metal batteries. To identify the most promising candidate in terms of ion transport and mechanical integrity, the effect of KTFSI concentration on thermal, rheological and electrochemical properties was studied. Several electrolyte compositions were examined in solid-state potassium batteries with a potassium metal negative electrode, and a positive electrode from Prussian blue analogue family. Our results reveal the advantages of solid-state systems with respect to improved capacity retention and Coulombic efficiency as compared to the reference system with carbonate-based LE, as demonstrated in Figure 1, thus paving the way for a new generation of potassium batteries with significantly improved key performance parameters. Figure 1. Comparison of potassium half-cells employing different electrolyte systems: carbonate-based liquid electrolyte (LE) vs. PEO-based solid polymer electrolyte (SPE) (a) capacity retention and (b) corresponding Coulombic efficiencies. [1] H. Wang, D. Zhai, F. Kang, Energy Environ. Sci. 2020, 13, 4583–4608. [2] J. Mindemark, M. J. Lacey, T. Bowden, D. Brandell, Prog. Polym. Sci. 2018, 81, 114–143. [3] M. Perrier, S. Besner, C. Paquette, A. Vallée, S. Lascaud, J. Prud’homme, Electrochim. Acta 1995, 40, 2123–2129. [4] U. Oteo, M. Martinez-Ibañez, I. Aldalur, E. Sanchez-Diez, J. Carrasco, M. Armand, H. Zhang, ChemElectroChem 2019, 6, 1019–1022. Figure 1
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Chang, Wei‐Chung, Jen‐Hsuan Wu, Kuan‐Ting Chen, and Hsing‐Yu Tuan. "Potassium‐Ion Batteries: Red Phosphorus Potassium‐Ion Battery Anodes (Adv. Sci. 9/2019)." Advanced Science 6, no. 9 (May 2019): 1970052. http://dx.doi.org/10.1002/advs.201970052.

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Abedin, Muhammad Raisul, Shamsul Abedin, Md Hasib Al Mahbub, Nandini Deb, and Mohidus Samad Khan. "A Hydrometallurgical Approach to Recover Zinc and Manganese from Spent Zn-C Batteries." Materials Science Forum 886 (March 2017): 117–21. http://dx.doi.org/10.4028/www.scientific.net/msf.886.117.

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This study addresses the recovery of recovery of zinc (Zn) and manganese (Mn) from spent dry cell (Zn-C battery) batteries using a hydrometallurgical approach. Every year, a significant number of Zn-C dry cell batteries are consumed and disposed worldwide. Zn-C dry cell batteries constitute more than 60% of Zn and Mn together. Higher amount of Zn and Mn present in Zn-C dry cells shows an industrial interest in recycling and recovering Zn and Mn. In this study the recovery of Zn and Mn from spent dry cells was investigated through an energy efficient hydrometallurgical route. Zn-C batteries were manually dismantled to collect the battery paste. Neutral leaching was carried out to remove potassium and non-metal contents. The battery powder was leached in sulfuric acid medium with glucose as reducing agent. The experiments were conducted according to ‘24 full factorial design’. The purpose of the design was to identify the most effective and optimum condition for Zn and Mn recovery from spent Zn-C batteries. Using the optimum operating condition, up to 86.54 % of Mn and 82.19% of Zn were recovered from the original battery powder.
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Ebin, Burçak, Martina Petranikova, Britt-Marie Steenari, and Christian Ekberg. "Recovery of industrial valuable metals from household battery waste." Waste Management & Research: The Journal for a Sustainable Circular Economy 37, no. 2 (January 11, 2019): 168–75. http://dx.doi.org/10.1177/0734242x18815966.

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The modern community is dependent on electronic devices such as remote controls, alarm clocks, electric shavers, phones and computers, all of which are powered by household batteries. Alkaline, zinc–carbon (Zn-C), nickel metal hydride, lithium and lithium-ion batteries are the most common types of household energy storage technologies in the primary and secondary battery markets. Primary batteries, especially alkaline and Zn-C batteries, are the main constituents of the collected spent battery stream due to their short lifetimes. In this research, the recycling of main battery components, which are steel shells, zinc (Zn) and manganese oxides, was investigated. Household batteries were collected in Gothenburg, Sweden and mechanically pretreated by a company, Renova AB. The steel shells from spent batteries were industrially separated from the batteries themselves and the battery black mass obtained. A laboratory-scale pyrolysis method was applied to recover the Zn content via carbothermic reduction. First, the carbothermic reaction of the battery black mass was theoretically studied by HSC Chemistry 9.2 software. The effect of the amount of carbon on the Zn recovery was then examined by the designed process at 950°C. The recovery efficiency of Zn from battery black mass was over 99%, and the metal was collected as metallic Zn particles in a submicron particle size range. The pyrolysis residue was composed of mainly MnO2with some minor impurities such as iron and potassium. The suggested recycling process is a promising route not only for the effective extraction of secondary resources, but also for the utilization of recovered products in advanced technology applications.
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Baioun, Abeer, Hassan Kellawi, and Ahamed Falah. "Nano Prussian Yellow Film Modified Electrode: A Cathode Material for Aqueous Potassium Ion Secondary Battery with Zinc Anode." Current Nanoscience 14, no. 3 (April 18, 2018): 227–33. http://dx.doi.org/10.2174/1573413714666180103153511.

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Background: Demands of rechargeable energy storage devices such as batteries are increasing. Potassium is cheap and abundant contrary to Li. Prussian blue and analogues PBAs are promising cathodes materials for K- ion batteries, because of facile synthesis and low cost. However, PB and close analogues (Prussian green and Prussian white) suffer from low coulombic efficiency and low cyclability owing to structure deficiency. We present here a facile synthesis dip-dry method at elevated temperature of Prussian yellow film cathode for aqueous potassium battery with Zn anode. The device exhibits a high specific capacity, coulombic efficiency and long cycling life with satisfactory charge/discharge behavior. Method: Prussian yellow(PY) film was prepared as a thin film on ITO substrate by dip dry method from a solution mixture of Fe3+ (0.1M) and Fe(CN)-6 (0.1M) at (80°C). Precipitation time was fifteen minutes. Films where characterization by FTIR, TGA, XRD, EDS, SEM, CV and EIS. Batteries composed of PY cathode and zinc metal anode were tested in 0.1M KCl electrolyte. Results: Battery gave OCV 1.9V with specific capacity of 142 mAh/g at rate of (~ 3C), with satisfactorily cycling ability up to 500 cycles & reversible charge/discharge behavior. Good crystal structure of PY film was demonstrated by several characterization methods e.g., FT-IR, TGA, XRD, EDS, SEM and electrochemical techniques. All showed good crystallinity quality of prepared PY films which demonstrate cathode qualities K cathode for K charge / discharge battery. Conclusion: Prussian yellow film, one of Prussian blue close analogues prepared in a simple and very facile nonelectrical method can be used as a robust cathode with highly reversible redox reactions that enable this material to be used as a cathode in battery of potassium aqueous electrolyte with Zinc anode. Battery has a significant cycle life (~500 cycle) and satisfactory capacity of 142mAhg-1 at rate of (~3C) with efficiency retention of 82%.
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Dissertations / Theses on the topic "Potassium batterie"

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FIORE, MICHELE. "Nanostructured Materials for secondary alkaline ion batteries." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2020. http://hdl.handle.net/10281/262348.

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Thanks to their superior energy and power density, lithium-ion batteries (LIBs) currently dominate the market of power sources for portable devices. The economy of scale and engineering optimizations have driven the cost of LIBs below the 200 $/KWh at the pack level. This catalyzed the market penetration of electric vehicles and made them a viable candidate for stationary energy storage. However, the rapid market expansion of LIBs raised growing concerns about the future sustainability of this technology. In particular, lithium and cobalt supplies are considered vulnerable, primarily because of the geopolitical implications of their high concentration in only a few countries. In the search for the next generation secondary batteries, known as post-lithium ion batteries, candidates that do not use rare metals have been extensively investigated in the last 10 years. Sodium-ion batteries (SIBs) attracted considerable attention thanks to the high abundance of the precursors and wide distribution of sodium on the earth's crust. As a matter of fact, as it will be pointed out during the dissertation, it is not straightforward to allocate the reduction of the price of the alkaline ion precursors to the reduction of the battery price. However, the difficulties in the supply of raw materials for LIBs, such as shortages in lithium carbonates and cobalt ores, could make lithium and cobalt-free systems, such as SIBs, attractive and cost-competitive alternatives. Compared to other, more exotic chemistries including Ca2+, Mg2+ and Al3+ batteries, SIBs are nowadays considered one as the most promising alternative to LIBs. Despite the extensive research, anode materials for SIBs still represent a serious problem for the commercial exploitation of this technology. Accordingly, the doctoral research on SIBs has been focused on anode materials. In particular, the attention was directed towards conversion oxides. Compared to intercalation materials, conversion-based ones have higher capacities but are more challenging to deal with because of the high volume variation during cycling. This challenge was addressed by material's nanostructuring and morphology control which proved to significantly reduce the pulverization of the active material. Different anode candidates have been studied during the doctoral work. Cobalt oxide nanofibers have been here explored as a first prototype for conversion materials in sodium ion batteries. The sodiation-desodiation mechanism is analyzed by means of ex situ XRD which led to a deeper understanding of the conversion reaction in SIBs. A cost-effective and environmentally benign alternative based on iron oxide is then considered. The limits of iron (III) oxide are tackled by combining the advantages of the nanostructuring and the doping with an aliovalent element. Si-doped Fe2O3 nanofibers are synthesized via an easy scalable process based on the electrospinning method. It is found that Si-addition improves the transport properties as well as induces changes in the crystal structure and morphology. In the final section of the thesis, potassium-ion batteries (KIBs) are examined as a promising alternative to sodium ion batteries. KIBs exhibit all the benefits of SIBs, with the additional advantage that graphite, can reversibly accommodate K-ions. On the positive side, Potassium manganese hexacyanoferrate (KMnHCF), has been reported to provide high operating voltages and satisfactory capacity retention. The proposed research activity presents the use of an ionic liquid based electrolyte compatible with the most promising anode and cathode for KIBs. In addition, a high-throughput optimization of the KMnHCF synthesis is reported. The selected candidates are then fully characterized, and their electrochemical properties investigated. The optimized material exhibits the highest ever reported coulombic efficiency for the KMHCF. This find, opens up the possibility of highly efficient, high energy potassium ion batteries.
Thanks to their superior energy and power density, lithium-ion batteries (LIBs) currently dominate the market of power sources for portable devices. The economy of scale and engineering optimizations have driven the cost of LIBs below the 200 $/KWh at the pack level. This catalyzed the market penetration of electric vehicles and made them a viable candidate for stationary energy storage. However, the rapid market expansion of LIBs raised growing concerns about the future sustainability of this technology. In particular, lithium and cobalt supplies are considered vulnerable, primarily because of the geopolitical implications of their high concentration in only a few countries. In the search for the next generation secondary batteries, known as post-lithium ion batteries, candidates that do not use rare metals have been extensively investigated in the last 10 years. Sodium-ion batteries (SIBs) attracted considerable attention thanks to the high abundance of the precursors and wide distribution of sodium on the earth's crust. As a matter of fact, as it will be pointed out during the dissertation, it is not straightforward to allocate the reduction of the price of the alkaline ion precursors to the reduction of the battery price. However, the difficulties in the supply of raw materials for LIBs, such as shortages in lithium carbonates and cobalt ores, could make lithium and cobalt-free systems, such as SIBs, attractive and cost-competitive alternatives. Compared to other, more exotic chemistries including Ca2+, Mg2+ and Al3+ batteries, SIBs are nowadays considered one as the most promising alternative to LIBs. Despite the extensive research, anode materials for SIBs still represent a serious problem for the commercial exploitation of this technology. Accordingly, the doctoral research on SIBs has been focused on anode materials. In particular, the attention was directed towards conversion oxides. Compared to intercalation materials, conversion-based ones have higher capacities but are more challenging to deal with because of the high volume variation during cycling. This challenge was addressed by material's nanostructuring and morphology control which proved to significantly reduce the pulverization of the active material. Different anode candidates have been studied during the doctoral work. Cobalt oxide nanofibers have been here explored as a first prototype for conversion materials in sodium ion batteries. The sodiation-desodiation mechanism is analyzed by means of ex situ XRD which led to a deeper understanding of the conversion reaction in SIBs. A cost-effective and environmentally benign alternative based on iron oxide is then considered. The limits of iron (III) oxide are tackled by combining the advantages of the nanostructuring and the doping with an aliovalent element. Si-doped Fe2O3 nanofibers are synthesized via an easy scalable process based on the electrospinning method. It is found that Si-addition improves the transport properties as well as induces changes in the crystal structure and morphology. In the final section of the thesis, potassium-ion batteries (KIBs) are examined as a promising alternative to sodium ion batteries. KIBs exhibit all the benefits of SIBs, with the additional advantage that graphite, can reversibly accommodate K-ions. On the positive side, Potassium manganese hexacyanoferrate (KMnHCF), has been reported to provide high operating voltages and satisfactory capacity retention. The proposed research activity presents the use of an ionic liquid based electrolyte compatible with the most promising anode and cathode for KIBs. In addition, a high-throughput optimization of the KMnHCF synthesis is reported. The selected candidates are then fully characterized, and their electrochemical properties investigated. The optimized material exhibits the highest ever reported coulombic efficiency for the KMHCF. This find, opens up the possibility of highly efficient, high energy potassium ion batteries.
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Gabaudan, Vincent. "Composés à base d’éléments du groupe p comme matériaux d’électrode négative pour accumulateurs K-ion." Thesis, Montpellier, 2019. http://www.theses.fr/2019MONTS143.

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L’utilisation massive de batteries Li-ion au cours des deux dernières décennies a poussé les chercheurs de la communauté scientifique à s’intéresser à des systèmes alternatifs basés sur des éléments abondants et peu coûteux. Parmi ces nouveaux systèmes, les batteries Na-ion sont rapidement passées de simples prototypes de laboratoire à des systèmes sur le point d’être commercialisés. Plus récemment, l’intérêt de la communauté des batteries s’est porté sur l’utilisation du potassium. Cet élément présente des atouts non négligeables pour le développement de batteries à haute densité d’énergie et de puissance en raison du faible potentiel standard du couple K+/K (vs. ESH) et des faibles énergies de désolvatation des ions K+ dans les solvants organiques usuels. Les travaux de cette thèse ont été dédiés à l’étude des mécanismes réactionnels de potassiation/dépotassiation de matériaux d’électrodes négatives. La compréhension des mécanismes qui régissent le fonctionnement des batteries est essentielle pour le développement de ces dernières. Elle permet aussi de prévenir des défaillances et de guider les recherches sur l’optimisation des matériaux d’électrode et d’électrolyte. Pour cela, deux grandes familles de matériaux d’électrodes négatives ont été étudiées au cours de cette thèse : les matériaux carbonés et plus spécifiquement le graphite, et les matériaux d’alliages à base d’éléments du bloc p de la classification périodique comme l’antimoine, le bismuth, le plomb et l’étain. L’emploi de différentes techniques de caractérisation en conditions ex situ et operando a permis d’obtenir de nouvelles informations approfondies sur les mécanismes réactionnels de ces matériaux dans les batteries K-ion. Enfin, les formulations de l’électrode et de l’électrolyte ont été identifiées comme points clés batteries pour l’optimisation des performances du graphite et des matériaux d’alliages. Même si la recherche sur les batteries K-ion reste encore au stade fondamental, ces premiers résultats sont prometteurs et laissent entrevoir un possible avenir de ces batteries pour le stockage de l’énergie d’applications stationnaires
During the last two decades, the massive use of Li-ion batteries led the scientific research community to focus on alternatives systems based on low cost and abundant elements. Among these new systems, Na-ion batteries grew rapidly from the laboratory scale to reach a real commercial application. More recently, the research community focused on the interest of potassium. This element present significant assets for the development of high energy density and high power density batteries because of the low standard potential of K+/K redox couple (vs. SHE) and low desolvation energies of K+ ions in conventional organic solvents.This thesis was focused on the electrochemical reaction mechanism of negative electrode materials in K-ion batteries. The understanding of the reaction mechanisms occurring during cycling is essential for the battery development, it allows preventing the failure and optimise the electrode materials and electrolytes.In that way, two distinct materials for negative electrodes were studied during the thesis: carbonaceous materials, more specially graphite and alloy type materials from the p block of the periodic table such as antimony, bismuth, lead and tin. The use of different characterizations in operando and ex situ conditions allowed obtaining new insights on the reaction mechanism of these electrode materials in K-ion batteries. Finally, the electrode and electrolyte formulations were identified as a key point for the performance optimisation of graphite and alloy materials.Even if the research on K-ion batteries are still in its infancy, the first results are promising and suggest a possible future solution for the energy storage for stationary applications
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Zheng, Jingfeng. "Designing Ionic Polymers for Potassium Batteries." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu155508012993124.

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Gilmore, Paul. "Regulation of Oxygen Transport in Potassium-Oxygen Batteries Using Conducting Polymers." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1555588196317105.

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Leita, Gabriele. "How to electrochemically store potassium in selenium." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/24399/.

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Potassium-selenium (K-Se) batteries are an interesting alternative to lithium-selenium (Li-Se) batteries with some notable advantages, such as a reduced cost of production and an environmentally cleaner way of production. Although the idea of K-Se batteries emerged a couple of years ago, in the last few years they have been taken seriously as a capable energy storage. Despite some disadvantages, such as a cathode volume expansion and the shuttle effect, it is considered as an interesting research field and many studies have been carried out. Herein, a carbon host to encapsulate selenium was made to try to reduce the shuttle effect. The defects in the carbon host will be controlled by H2O2 and the products will be analyzed to understand the correlation between the amount of H2O2 and the defects. After encapsulating selenium, the electrochemical proprieties will be analyzed using cyclic voltammetry, galvanostatic charge/discharge. (Additionally, the influence of the concentration of electrolyte will be studied due to the fact that it can modify the electrochemical properties of the batteries). The present project aims to determine if there is a considerable influence on the battery performance owing to the defects of the carbon hosts and the concentration of the electrolyte, and hence to find the best working condition both for K-Se batteries and for the encapsulation.
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Ren, Xiaodi Ren. "Rechargeable Potassium-Oxygen Battery for Low-Cost High-Efficiency Energy Storage." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1468857236.

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YANG, HUAN. "Functional Electrolytes for Advanced Electrochemical Performance in Sodium and Potassium Secondary Batteries." Kyoto University, 2020. http://hdl.handle.net/2433/259756.

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Xiao, Neng. "Probing Potassium–Oxygen Battery Chemistry for Efficient Electrochemical Energy Storage." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu155507996336995.

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Xiao, Neng. "Investigating Growth Mechanism of Potassium Superoxide in K-O2 Batteries and Improvements of Performance and Anode Stability upon Cycling." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1462890425.

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Liu, Liyuan. "Les matériaux 2D pour le stockage de l'énergie." Thesis, Toulouse 3, 2020. http://www.theses.fr/2020TOU30204.

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L'objectif de cette thèse est d'étudier les propriétés électrochimiques des matériaux 2D utilisés comme électrode dans les batteries et les supercondensateurs. La première partie commence par la synthèse du graphène et la préparation des films d'électrode. Une étude détaillée des propriétés électrochimiques du stockage des ions potassium a été réalisée en utilisant un aérogel à oxyde de graphène réduit (rGO) comme matériau d'électrode négative. L'influence de la nature de l'électrolyte et les méthodes de séchage utilisées ont été étudiées afin d'optimiser les performances électrochimiques du rGO lyophilisé dans les batteries potassium-ion (PIB). La spectroscopie d'impédance électrochimique (EIS) a été utilisée pour évaluer les performances de notre matériau rGO dans les PIB. Utilisé comme électrode négative, le rGO lyophilisé peut fournir une capacité élevée de 267 mAh g-1 à un taux de C/3 avec une rétention de capacité de 78% pendant 100 cycles, combinée à une capacité de taux élevé (92 mAh g-1 à 6.7 C ). Cet ensemble de résultats rend de l'aérogel rGO un matériau d'électrode prometteur pour les PIB. Ensuite, nous nous sommes concentrés sur la méthode du sel fondu (MSM) pour concevoir des matériaux aux propriétés électrochimiques améliorées pour les applications de stockage d'énergie. Avec le MSM, une quantité considérable d'oxydes ternaires Mn-based 2D and V-based 1D a été explorée puis utilisée comme cathode pour les batteries divalentes aqueuses. La nanoparticule K0.27MnO2·0.54H2O (KMO) a été utilisée comme cathode pour les batteries aqueuses Zn-ion, avec des capacités spécifiques élevées (288 mAh g-1) et une cyclabilité à long terme (rétention de capacité de 91% après 1000 cycles à 10 C) . La technique Electrochemical quartz crystal admittance (EQCM) a d'abord été réalisée pour confirmer le mécanisme de stockage de charge d'intercalation H3O+ et Zn2+ qui en résulte. De plus, le procédé au sel fondu utilisé ici a permis la préparation de 1D CaV6O16·7H2O (CVO) et utilisé en outre comme matériau de cathode dans des batteries aqueuses au Ca-ion. En conséquence, d'excellentes performances électrochimiques ont été obtenues, avec une capacité de 205 mAh g-1, une longue durée de vie (> 97% de rétention de capacité après 200 cycles à 3C) et des performances élevées (117 mAh g-1 à 12 C ) lors de réactions d'intercalation (de) intercalation des Ca-ions. Contrairement à la précédente méthode de sel fondu flash réalisée dans l'air, nous avons conçu une autre méthode de sel fondu sous atmosphère d'argon pour préparer des matériaux de carbures métalliques 2-dimmensionnels (MXene) tels que Ti3C2 (M = Ti, X = C). En jouant avec la chimie du précurseur MAX et la composition de la fonte acide de Lewis, nous généralisons cette voie de synthèse à une large gamme chimique de précurseurs MAX (A = Zn, Al, Si, Ga). Les matériaux MXene obtenus (appelés MS-MXenes) présentent des performances électrochimiques améliorées dans un électrolyte non aqueux contenant du Li+, avec une capacité de 205 mAh g-1 à 1.1 C, ce qui rend ces matériaux très prometteurs en tant qu'électrodes négatives pour les batteries Li haute puissance ou les appareils hybrides tels que les condensateurs Li-ion. Outre l'APS, un autre agent de gravure (FeCl3) a été utilisé pour dissoudre le Cu. En résumé, cette méthode permet de produire de nouveaux types de MXène difficiles voire impossibles à préparer en utilisant des méthodes de synthèse précédemment rapportées comme la gravure HF. En conséquence, il élargit encore la gamme de précurseurs de phase MAX qui peuvent être utilisés et offre des opportunités importantes pour ajuster la chimie de surface et faire du MS-MXene une électrode à haut débit dans un système non aqueux
The aim of this thesis is to study the electrochemical properties of 2D materials used as electrode in batteries and supercapacitor. The first part starts with using reduced graphene oxide (rGO) aerogel as a negative electrode material for potassium-ion batteries (PIBs). The influence of the nature of the electrolyte and the drying methods used were investigated in order to optimize the electrochemical performance of freeze-dried rGO in PIBs. Electrochemical impedance spectroscopy (EIS) were used to assess the performance of our rGO material in PIBs. rGO can deliver a high capacity of 267 mAh g-1 at C/3 rate together with 78% capacity retention during 100 cycles, combined with high rate capability (92 mAh g-1 at 6.7 C). This set of results makes rGO aerogel a promising electrode material for PIBs. Afterwards, we focused on molten salt method (MSM) to design materials with enhanced electrochemical properties for energy storage applications. With MSM, 2D K0.27MnO2·0.54H2O (KMO) and 1D CaV6O16·7H2O (CVO) have successfully prepared. KMO nanosheet has been used as cathode for aqueous Zn-ion batteries, with high specific capacities (288 mAh g-1) and long-term cyclability (91% capacity retention after 1000 cycles at 10 C). Electrochemical quartz crystal admittance (EQCM) technique was firstly performed to confirm the consequent H3O+ and Zn2+ intercalation charge storage mechanism. Additionally, CVO was further used as cathode material in aqueous Ca-ion batteries. As a result, excellent electrochemical performance was achieved, with a capacity of 205 mA h g-1, long cycle life (>97% capacity retention after 200 cycles at 3C rate) and high rate performance (117 mAh g-1 at 12 C) during Ca-ion (de)intercalation reactions. Differently from the previous flash molten salt method achieved in air, we designed another molten salt method under argon atmosphere to prepare 2D metal carbides (MXene) materials such as Ti3C2 (M=Ti, X=C). By playing with the chemistry of the MAX precursor and the Lewis acid melt composition, we generalize this synthesis route to a wide chemical range of MAX precursors (A=Zn, Al, Si, Ga). The obtained MXene materials (termed as MS-MXenes) exhibits enhanced electrochemical performance in Li+ containing non-aqueous electrolyte, with a capacity of 205 mAh g-1 at 1.1 C, making these materials highly promising as negative electrodes for high power Li batteries or hybrid devices such as Li-ion capacitors. Besides APS, another etchant (FeCl3) has been used to dissolve Cu. Furthermore, high conductive ACN-based electrolyte has been applied to improve the power performance of multi-layered MS-MXene. To sum up, this method allows producing new types of MXene that are difficult or even impossible to be prepared by using previously reported synthesis methods like HF etching. As a result, it expands further the range of MAX phase precursors that can be used and offer important opportunities for tuning the surface chemistry and make MS-MXene as high rate electrode in non-aqueous system
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Books on the topic "Potassium batterie"

1

W, Hall Stephen, and United States. National Aeronautics and Space Administration., eds. Effect of KOH concentration on LEO cycle life of IPV nickel-hydrogen flight cells: An update. [Washington, DC]: National Aeronautics and Space Administration, 1991.

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W, Hall Stephen, and United States. National Aeronautics and Space Administration., eds. Effect of LEO cycling on 125 Ah advanced design IPV nickel-hydrogen battery cells. [Washington, D.C.]: National Aeronautics and Space Administration, 1990.

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W, Hall Stephen, and United States. National Aeronautics and Space Administration., eds. Effect of LEO cycling on 125 Ah advanced design IPV nickel-hydrogen battery cells. [Washington, D.C.]: National Aeronautics and Space Administration, 1990.

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Inamuddin, Rajender Boddula, and Abdullah M. Asiri, eds. Potassium‐Ion Batteries. Wiley, 2020. http://dx.doi.org/10.1002/9781119663287.

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Inamuddin, Rajender Boddula, and Abdullah M. Asiri. Potassium-Ion Batteries: Materials and Applications. Wiley & Sons, Limited, John, 2020.

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Inamuddin, Rajender Boddula, and Abdullah M. Asiri. Potassium-Ion Batteries: Materials and Applications. Wiley & Sons, Incorporated, John, 2020.

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Inamuddin, Rajender Boddula, and Abdullah M. Asiri. Potassium-Ion Batteries: Materials and Applications. Wiley & Sons, Limited, John, 2020.

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Inamuddin, Rajender Boddula, and Abdullah M. Asiri. Potassium-Ion Batteries: Materials and Applications. Wiley & Sons, Incorporated, John, 2020.

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Book chapters on the topic "Potassium batterie"

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Chapagain, Puskar, and Suman Neupane. "Potassium-Ion Based Solid-State Batteries." In ACS Symposium Series, 153–80. Washington, DC: American Chemical Society, 2022. http://dx.doi.org/10.1021/bk-2022-1414.ch008.

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Hameed, A. Shahul, Kei Kubota, and Shinichi Komaba. "CHAPTER 8. From Lithium to Sodium and Potassium Batteries." In Future Lithium-ion Batteries, 181–219. Cambridge: Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781788016124-00181.

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Qi, Xiujun, Zheng Xing, and Zhicheng Ju. "Carbon-Based Materials for Advanced Potassium-Ion Batteries Anode." In Nanostructured Materials for Next-Generation Energy Storage and Conversion, 347–68. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-58675-4_9.

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Momchilov, A., B. Banov, A. Trifonova, and B. Puresheva. "Comparative Study of the Electrochemical Behaviour of Lithium and Potassium Vanadates Treated by Water Molecules." In Materials for Lithium-Ion Batteries, 559–63. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4333-2_40.

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Masese, Titus, and Godwill Mbiti Kanyolo. "The road to potassium-ion batteries." In Storing Energy, 265–307. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-12-824510-1.00013-1.

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Zeng, Guifang, Yongling An, Huifang Fei, Tian Yuan, Sun Qing, Lijie Ci, Shenglin Xiong, and Jinkui Feng. "Green and Facile Synthesis of Nanosized Polythiophene as an Organic Anode for High-Performance Potassium-Ion Battery." In Functional Materials for Next-Generation Rechargeable Batteries, 159–66. WORLD SCIENTIFIC, 2021. http://dx.doi.org/10.1142/9789811230677_0011.

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Li, Wei-Bang, Shih-Yang Lin, Thi Dieu Hien Nguyen, Hsien-Ching Chung, Ngoc Thanh Thuy Tran, Nguyen Thi Han, Hsin-Yi Liu, Hai Duong Pham, and Ming-Fa Lin. "Diversified phenomena in sodium-, potassium- and magnesium-related graphite intercalation compounds." In First-Principles Calculations for Cathode, Electrolyte and Anode Battery Materials. IOP Publishing, 2021. http://dx.doi.org/10.1088/978-0-7503-4685-6ch11.

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Ma, X., and Y. Zhao. "Synthesis and structural characterization of a nanotube potassium titanate anode material for lithium-ion batteries." In Material Science and Engineering, 281–84. CRC Press, 2016. http://dx.doi.org/10.1201/b21118-61.

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Conference papers on the topic "Potassium batterie"

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Glushenkov, Alexey. "High capacity negative electrode materials for potassium-ion batteries." In Energy Harvesting and Storage: Materials, Devices, and Applications XI, edited by Achyut K. Dutta, Palani Balaya, and Sheng Xu. SPIE, 2021. http://dx.doi.org/10.1117/12.2588921.

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Schachter, Myron. "Potassium cathode-carbon anode continuously refuelable primary battery." In Intersociety Energy Conversion Engineering Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1994. http://dx.doi.org/10.2514/6.1994-4112.

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Albina, Dionel O., Karsten Millrath, and N. J. Themelis. "Effects of Feed Composition on Boiler Corrosion in Waste-to-Energy Plants." In 12th Annual North American Waste-to-Energy Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/nawtec12-2215.

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Municipal solid wastes (MSW) typically contain plastic materials, leather, textiles, batteries, food waste and alkalis. These materials are sources of chlorine, sulfur, potassium, zinc, lead and other heavy metals that can form corrosive media during combustion of the MSW in waste-to-energy (WTE) facilities. Chlorides and sulfates, along with fly ash particles, condense or deposit on the waterwall surfaces in the combustion chamber and on other heat exchanger surfaces in the convection path of the process gas, such as screens and superheater tubes. The resulting high corrosion spots necessitate shutdowns and tube replacements, which represent major operating costs. The aim of ongoing research at Columbia University is to gain a better understanding of the effects of fuel composition, products of combustion, and chemical reactions that lead to the corrosion of metal surfaces in WTE boilers. The potential chemical reactions and their chance of occurrence were determined by means of thermochemical calculations of the respective equilibrium constants as a function of temperature and gas phase composition.
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Leo, Donald J. "Efficient Actuation Utilizing Fuel Cell Power Sources." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0537.

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Abstract The performance of a fuel cell-powered piezoceramic actuator is investigated analytically and experimentally. Fuel cells are electrochemical engines that are comparable to batteries in specific energy density and can be instantly ‘recharged’ with the addition of fuel. This study focuses on the use of a methanol-powered alkaline fuel cell as a DC power source for a piezoceramic actuator exciting a thin beam. The fuel cell consists of a non precious metal cathode, a platinum anode, and a potassium hydroxide (KOH) electrolyte. The performance of the fuel cell is investigated by determining the voltage and power output as a function of the load current. A peak power of 30 mW is obtained with a 1M KOH electrolyte and 47 mW is obtained with a 4M concentration. A power analysis of constant-amplitude piezoceramic actuator demonstrates that low-power, efficient actuation is achieved by driving the actuator near an antiresonance of the coupled electromechanical systems. The antiresonance frequencies are determined from an admittance analysis of the coupled actuator and structure. Experimental results demonstrate that the power required for actuation in the kilohertz range is reduced from 4.5 to 1 mW by exciting the actuator at a known antiresonance, thus reducing the load on the fuel cell and increasing the effective lifetime of the actuator.
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Kim, Dong-Kwon, Chuanhua Duan, Yu-Feng Chen, and Arun Majumdar. "Power Generation From Concentration Gradient by Reverse Electrodialysis in Ion Selective Nanochannel." In ASME 2009 7th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2009. http://dx.doi.org/10.1115/icnmm2009-82208.

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In this article, ion selective nanochannels are studied to generate electric power from concentration gradient by reverse electrodialysis. When nanochannels bring into contact with aqueous solution, the surface of nanochannels acquires charges from ionization, ion adsorption, and ion dissolution. These surface charges draw counter-ions toward the surface and repel co-ions away. Therefore, when an electrolyte concentration gradient is applied to nanochannels, counter-ions are transported through nanochannels much more easily than co-ions, which results in a net charge migration of ions. Gibbs free energy of mixing, which forces ion diffusion, thus can be converted into electrical energy by using ion-selective nanochannels. Silica nanochannels with heights of 26 nm and 80 nm fabricated by glass-silicon anodic bonding were used in this study. We experimentally investigated the power generation from these nanochannels placed between two potassium chloride solutions with various combinations of concentrations. The power generation per unit channel volume increases when the concentration gradient increases, while it decreases as channel height decreases. The highest power density measured is 26 kW/m3. Our data also indicates that the efficiency of energy conversion and the ion selectivity increase with a decrease of concentrations and channel height. The best efficiency obtained is 24%. Compared with ion-selective membranes, nanochannels promise more reliable operation since they are readily compatible with standard CMOS process and do not shrink and swell in response to their environment. Power generation from concentration gradient in ion selective nanochannels could be used in a variety of applications, including micro batteries and micro power generators.
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Reports on the topic "Potassium batterie"

1

Sudre, Olivier H. Potassium-based Aqueous Flow Battery for Grid Application. Office of Scientific and Technical Information (OSTI), April 2014. http://dx.doi.org/10.2172/1129921.

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Tao, Greg, and Neill Weber. A High Temperature (400 to 650oC) Secondary Storage Battery Based on Liquid Sodium and Potassium Anodes. Office of Scientific and Technical Information (OSTI), June 2007. http://dx.doi.org/10.2172/908547.

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