Academic literature on the topic 'Electrocatalytic performance'
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Journal articles on the topic "Electrocatalytic performance"
Zhou, Zhang, Wang, Wang, Xu, Wang, and Liu. "One-Step Hydrothermal Synthesis of P25 @ Few Layered MoS2 Nanosheets toward Enhanced Bi-catalytic Activities: Photocatalysis and Electrocatalysis." Nanomaterials 9, no. 11 (November 18, 2019): 1636. http://dx.doi.org/10.3390/nano9111636.
Full textJiang, Yuanyuan, Kai Dong, Xiaoying Yan, Chuanxia Chen, Pengjuan Ni, Cheng Yang, and Yizhong Lu. "Metal–polydopamine framework-derived (Co)/N-doped carbon hollow nanocubes as efficient oxygen electrocatalysts." Sustainable Energy & Fuels 4, no. 7 (2020): 3370–77. http://dx.doi.org/10.1039/d0se00548g.
Full textHu, Yaojuan, Fengyun He, Changyun Chen, Changli Zhang, and Jingliang Liu. "Facile Controlled Synthesis of Pd-ZnO Nanostructures for Nitrite Detection." Molecules 28, no. 1 (December 23, 2022): 99. http://dx.doi.org/10.3390/molecules28010099.
Full textHuang, Yao, Meiling Song, Cuihua Tian, Yiqiang Wu, Yuyan Li, Ning Yan, and Yan Qing. "Fundamental understanding of electrochemical catalytic performance of carbonized natural wood: wood species and carbonization temperature." Sustainable Energy & Fuels 5, no. 23 (2021): 6077–84. http://dx.doi.org/10.1039/d1se01259b.
Full textChen, Zheng, Zhaoyang Wang, Ying Tian, Zhengkun Li, Zhenhua Ren, Juan Wang, Sufei Liu, Ruozheng Li, and Jilin Teng. "Performance Study and Assessment of Electrocatalytic Treatment of Substation Domestic Sewage." Journal of Physics: Conference Series 2401, no. 1 (December 1, 2022): 012044. http://dx.doi.org/10.1088/1742-6596/2401/1/012044.
Full textHu, Jing, Adel Al-Salihy, Bin Zhang, Siwei Li, and Ping Xu. "Mastering the D-Band Center of Iron-Series Metal-Based Electrocatalysts for Enhanced Electrocatalytic Water Splitting." International Journal of Molecular Sciences 23, no. 23 (December 6, 2022): 15405. http://dx.doi.org/10.3390/ijms232315405.
Full textLi, Dongmei, Wenjie Li, Quan Zhang, Yizhi Wang, Hongyu Lin, Li Feng, Shaoxiu Li, et al. "Generation of active Co(III) and peroxodiphosphate by synergistic electrocatalytic system with phosphate and the mediator cobalt(II) and its degradation performance." Water Science and Technology 83, no. 4 (January 12, 2021): 841–53. http://dx.doi.org/10.2166/wst.2021.017.
Full textElias, Liju, and Ampar Chitharanjan Hegde. "Electrodeposition and Electrocatalytic Study of Ni-W Alloy Coating." Materials Science Forum 830-831 (September 2015): 651–54. http://dx.doi.org/10.4028/www.scientific.net/msf.830-831.651.
Full textHuang, Aijian, and Zhiguo Wang. "Unveiling the HER and ORR activity origin of isolated Co sites supported on N-doped carbon." MATEC Web of Conferences 363 (2022): 01001. http://dx.doi.org/10.1051/matecconf/202236301001.
Full textLei, Xin, Bo Liu, Payam Ahmadian Koudakan, Hongge Pan, Yitai Qian, and Gongming Wang. "Single-atom catalyst cathodes for lithium–oxygen batteries: a review." Nano Futures 6, no. 1 (February 4, 2022): 012002. http://dx.doi.org/10.1088/2399-1984/ac3ec1.
Full textDissertations / Theses on the topic "Electrocatalytic performance"
Blasco, Ahicart Marta. "Earth Abundant Materials for Electrocatalytic Water Oxidation: Enhancing Efficiency and Robust Performance in Acidic, Neutral and Alkaline Media." Doctoral thesis, Universitat Rovira i Virgili, 2017. http://hdl.handle.net/10803/457706.
Full textEn la presente tesis doctoral presentamos diferentes estrategias para desarrollar electrodos, basados en elementos abundantes en la corteza terrestre, activos en la oxidación electrocatalítica del agua en diferentes medios. En primer lugar, hemos precipitado el clúster [Co9(H2O)6(OH)3(HPO4)2(PW9O34)3]16− (Co9) con Ba2+ i Cs+ para obtener sales insolubles en agua que pueden ser mezcladas con una matriz conductora, como la pasta de carbono. Los electrodos de BaCo9 presentan una actividad excelente en medio ácido, combinada con 100% de eficiencia Faradaica y estabilidad a largo plazo. En segundo lugar, el clúster nonanuclear Co9 también ha sido combinado con un polímero conductor (polipirrol) para obtener electrodos híbridos orgánico-inorgánicos activos en la oxidación electrocataítica del agua en medio neutro. Este método de procesamiento es muy interesante, ya que proporciona electrodos versátiles a partir de materiales baratos y abundantes. Finalmente, hemos analizado óxidos binarios y ternarios con diferente composición (Ni, Zn, Fe i Cr) para mejorar la actividad de los óxidos metálicos frente a la oxidación electrocatalítica del agua en medio básico. Los compuestos con fase espinela y -Fe2O3 hematita presentan elevada eficiencia combinada con buena estabilidad a largo plazo.
In this Doctoral Thesis, different approaches to develop suitable working anodes based on Earth abundant metals for the electrocatalytic water oxidation reaction in different media have been presented. We have precipitated the nonanuclear cobalt cluster [Co9(H2O)6(OH)3(HPO4)2(PW9O34)3]16− (Co9) with Ba2+ and Cs+ to obtain water-insoluble salts that can be blended with a solid-state matrix, such as carbon paste. The BaCo9 have shown excellent and unparalleled performance for the electrocatalytic water oxidation in acidic media, yielding 100% Faradaic efficiency matched with good long-term stability. We have also incorporated the homogeneous Co9 POM into a conducting polymer matrix (i. e. polypyrrole) to obtain organic-inorganic anodes active in electrocatalytic water oxidation reaction in neutral conditions. This interesting processing approach has yielded versatile electrodes obtained from low cost and available raw materials. Finally, we have screened binary and ternary mixed oxide compositions, based on Ni, Zn, Fe and Cr, for the enhancement of electrocatalytic water oxidation in alkaline media. Cubic spinel phases, as well as, -Fe2O3 hematite have shown best efficiency combined with good long-term stability under working conditions.
Lively, Treise. "Ethanol fuel cell electrocatalysis : novel catalyst preparation, characterization and performance towards ethanol electrooxidation." Thesis, Queen's University Belfast, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.602560.
Full textSchwämmlein, Jan Nicolas [Verfasser], Hubert A. [Akademischer Betreuer] Gasteiger, Matthias [Gutachter] Arenz, Kai-Olaf M. [Gutachter] Hinrichsen, and Hubert A. [Gutachter] Gasteiger. "Performance and Durability of Ion Exchange Membrane Fuel Cells – From Electrocatalysis to Single Cells / Jan Nicolas Schwämmlein ; Gutachter: Matthias Arenz, Kai-Olaf M. Hinrichsen, Hubert A. Gasteiger ; Betreuer: Hubert A. Gasteiger." München : Universitätsbibliothek der TU München, 2020. http://d-nb.info/1222161672/34.
Full textChen, Jian-Yi, and 陳鍵誼. "Microwave-assisted synthesis and electrocatalytic performance of nano carbon supporting Pt, PtRu catalyst." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/09677845004008353061.
Full text元智大學
化學工程與材料科學學系
99
Grapene oxide (GO) was made by modified Hummers method. The catalyst precursors were reduced and deposited on nano carbon supports by microwave-assisted synthesis. The electrocatalytic performances of catalysts were investigated in three-electrode electrochemical cells. Three parts of this study were performed as following. Part 1: GO was made by modified Hummers method. Part 2: using metal precursor, different carbon materials and different polyols were used to synthesize nanoparticle catalysts by microwave – polyol method. Part 3: catalysts were prepared and assembled into electrode for electrochemical measurements by cyclic voltammetry. The characteristics of Pt nanoparticles are studied using FTIR, TEM, XRD and electrochemical analysis. In different ratios of GO/MWNT, Pt/MWNT_EG has the highest ESA value (138.01 m2/g) due to the most functional groups existed on surface of MWNTs. In comparison of If/Ib, the best CO-tolerance occurs for Pt/GO_EG with value of 0.92 due to that the remaining functional groups like –COOH and –OH groups on GO can convert CO into CO2. For the polyol effect on microwave-polyol method, the maximum electrochemical active surface area 126.52 m2/g for Pt/GO-MWNT_EG, due to the steric hindrance effect of EG. PtRu/GO_PG has a higher ESA (32.47 m2/g) due to its smaller particles and better dispersion. The If/Ib value of 1.19 observed for PtRu/GO_TTEG is attributed to its smallest particle size from TEM images. The ESA 104.6 m2/g for a PtRu/GO-MWNT_EG, is a result of better steric hindrance effect and better dispersion of catalysts. The very low Ib, occurs for PtRu/GO-MWNT_TTEG speculating an increase of PtRu alloy degree, which improves the CO-tolerance of catalyst.
Hu, Ting-Zhen, and 胡庭禎. "Electrochemical Synthesis of Nanostrucutred Platinum on a Flexible Substrate and its Electrocatalytic Performance." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/26363325486668407112.
Full text國立交通大學
應用化學系碩博士班
104
In this study, we deposited Pt nanodendrites (Pt NDs) and Pt nanoflowers (Pt NFs) on a flexible carbon substrate in simple two-electrode system at room temperature. By controlling the concentration of surfactant and electric aid agent, we obtained various Pt structures. Because the surfactant and electric aid agent assist the Pt growth on special orientation, we discussed these factors on Pt structures in detail. Then, we proposed the possible growth mechanism for Pt . In the hydrogen electrosorption test, we got the Pt NDs with electrochemical active surface area (ECSA) 27.86 m2/g, and the Pt NFs with ECSA 54.15 m2/g. The ECSA of commercial Pt/C is around 43.80 m2/g. In methanol oxidation reaction test, the onset potentials of Pt NDs and Pt NFs are 0.460 V and 0.459 V, respectively.
Jheng, Shao-Lou, and 鄭少樓. "Syntheses and Electrocatalytic Hydrogen Evolution Performance of Ge-Ni and Ge-Pd Alloy Nanomaterials." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/f4f782.
Full textMing-YaoLi and 李明曜. "Electrocatalytic performance of rGO/WO3/MoS2 nanocomposite and its application for hydrogen evolution reaction of water splitting." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/9e9kpe.
Full textCheng, Hao-Sheng, and 鄭皓升. "Study of high performance non-platinum NiRu catalyst for electrocatalytic hydrogen evolution and oxidation reactions in alkaline electrolyte." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/x8a98x.
Full text國立臺灣科技大學
化學工程系
105
In this study, the nickel (Ni)-ruthenium (Ru) bimetallic catalysts with different Ni/Ru ratios were successfully loaded on high-surface-area carbon black by using hydrothermal method. The bimetallic Pt-free catalyst shows a Pt-like activity and highly durable in alkaline hydrogen oxidation (HOR)/evolution (HER) reactions. Through the materials characterization, the particle size distribution for Ni-Ru catalyst was observed as around 2 ~ 3 nm compared to Ru/C which shows around 2 nm. In the results of X-ray absorption spectroscopy the alloy extent of the NixRuy/C catalysts gets increased with increasing Ru content, while particle agglomeration is found by excess Ni content. Higher alloy extent can be found in the Ni/Ru ratio of 1 and 1/3 which leads to more uniform surface composition. Reaction mechanism of the alkaline HOR has been widely discussed but still debated. Here we combined the experiments and the theoretical computation to propose a synergistic effect for alkaline HOR rather than only electronic effect. The results of CO stripping for Ru-based catalyst evidence the electron transfer from Ni to Ru because of negative shift of onset potential by addition of Ni, in which the electronic effect can be involved to weaken hydrogen binding energy. On the other hand, the computational results show the weakening adsorption of OH group on the Ni-Ru interfacial sites of the alloy surfaces, which may facilitate the Volmer step and enhance HOR performance. For alkaline HOR/HER, Ni-Ru bimetallic catalyst exhibits an excellent activity as well as competitive performance to commercial Pt catalyst (Pt/C), which attributes to the synergistic effect. Moreover, the stability test for the bimetallic catalyst is much better than the Pt/C catalyst, indicating that the Ni-Ru catalyst has their potential to develop.
Siahaan, Asnidar, and 史妮達. "Decoration of Au-Pt nanoparticles on tubular graphene architectures for the enhancement of electrocatalytic performance in direct methanol fuel cells." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/jm9w8s.
Full text國立中正大學
物理系研究所
105
In this work, tubular graphene architectures as supporting materials for the decoration of Au-Pt nanoparticles (NPs) can enhance the electrocatalytic activity in direct methanol fuel cells. Au-Pt heterostructures were successfully decorated on tubular graphene surface with different concentrations and used as electrocatalysts for methanol oxidation. The activities of electrocatalysts were strongly improved in the presence of Au-Pt NPs, which were evidenced by the increase of the forward peak current densities in the cyclic voltammetry (CV) curves. Furthermore, the enhancement of the ratios between the forward and backward peak current densities of the CV curves shows the good tolerant ability towards the poisoning effect of intermediate carbonaceous species. The morphology and properties of Au-Pt decorated tubular graphene structures were characterized by field emission scanning electron microscopy, transmission electron microscopy, X-ray diffraction, electrochemical measurements and Raman spectroscopy techniques. The goal of the research is using tubular graphene meshes as supporting materials for enhancing the electrocatalytic in direct methanol fuel cells. Keywords : Graphene tube, Au-Pt nanoparticles, methanol oxidation, direct methanol fuel cell, Electrocatalyst
Lyke, Stephen Erwin. "Anodic oxidation of sulfur dioxide electrocatalysis and reactor performance analysis /." 1991. http://catalog.hathitrust.org/api/volumes/oclc/24296873.html.
Full textVita. Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 261-278).
Book chapters on the topic "Electrocatalytic performance"
Hu, Jing, Yuanyuan Zhang, and Ping Xu. "Improving the Electrocatalytic Performance by Defect Engineering and External Field Regulation." In Advanced Electrochemical Materials in Energy Conversion and Storage, 329–75. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003133971-13.
Full textJayabal, Subramaniam, and Dongsheng Geng. "Chapter 9. High Electrocatalytic Performance of Two-dimensional Layered MoS2-based Materials for the Hydrogen Evolution Reaction." In Smart Materials Series, 283–310. Cambridge: Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781788016193-00283.
Full textLiu, Bao, Shuo Wang, Qiankun Jing, and Chengyan Wang. "Effects of Precursor Concentration on the Surface Morphology and Electrocatalytic Performance of Ti/IrO2–RuO2–SiO2 Anode for Oxygen Evolution Reaction." In TMS 2020 149th Annual Meeting & Exhibition Supplemental Proceedings, 1281–91. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36296-6_118.
Full textul Haq, Tanveer, and Yousef Haik. "Electrocatalysis for the Water Splitting: Recent Strategies for Improving the Performance of Electrocatalyst." In Advances in Sustainable Energy, 315–39. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-74406-9_11.
Full textRajkumar, M. "Bioinspired Nanostructured Materials for Energy-Related Electrocatalysis." In Bioinspired Nanomaterials for Energy and Environmental Applications, 117–40. Materials Research Forum LLC, 2022. http://dx.doi.org/10.21741/9781644901830-4.
Full textNazir, Roshan, Abhay Prasad, Ashish Parihar, Mohammed S. Alqahtani, and Rabbani Syed. "Colloidal Nanocrystal-Based Electrocatalysts for Combating Environmental Problems and Energy Crisis." In Colloids - Types, Preparation and Applications. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95338.
Full textHuang, Yi-June, and Chuan-Pei Lee. "Nanostructured Transition Metal Compounds as Highly Efficient Electrocatalysts for Dye-Sensitized Solar Cells." In Solar Cells [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.94021.
Full textLiang, Hong, Hong Huang, Liying Zhao, Qingchun Wang, Yangmin Ren, Youli Yang, Qiang Zheng, Yi Liu, and Jie Lv. "Preparation of Co-TiO2 Nanotube Array Electrode for the Electrocatalytic Degradation of Chlorine-Containing Wastewater." In Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde220332.
Full textXu, Qian, Jiajia Zhang, and Chunzhen Yang. "Nickel Foam Electrode with Low Catalyst Loading and High Performance for Alkaline Direct Alcohol Fuel Cells." In Electrocatalysis [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.100287.
Full textLong Quan, Dang, and Phuoc Huu Le. "Recent Advances in Pt-Based Binary and Ternary Alloy Electrocatalysts for Direct Methanol Fuel Cells." In Electrocatalysis [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95940.
Full textConference papers on the topic "Electrocatalytic performance"
Mesa, Camilo A., Francisco Fabregat-Santiago, Elena Mas-Marzá, and Sixto Giménez. "The effect of oxygen vacancies in the photoelectrochemical performance of metal oxide photoanodes." In International Conference on Frontiers in Electrocatalytic Transformations. València: FUNDACIO DE LA COMUNITAT VALENCIANA SCITO, 2022. http://dx.doi.org/10.29363/nanoge.interect.2022.021.
Full textLu, Xinhua. "Synthesis of Graphene Supported Nanocatalyst and Its Electrocatalytic Performance for Methanol Oxidation." In 2018 3rd International Workshop on Materials Engineering and Computer Sciences (IWMECS 2018). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/iwmecs-18.2018.29.
Full textIdrissi, Siham, Zineb Edfouf, Omar Benabdallah, Abdelfettah Lallaoui, Qiliang Wei, Xiaohua Yang, Shuhui Sun, and Fouzia Cherkaoui El Moursli. "Electrocatalytic Performance of Reduced Graphene Oxide Based Materials for Oxygen Reduction Reaction (ORR)." In 2017 International Renewable and Sustainable Energy Conference (IRSEC). IEEE, 2017. http://dx.doi.org/10.1109/irsec.2017.8477306.
Full textJiang, Tao, Yan Wang, Ghislain Montavon, Hanlin Liao, Taikai Liu, Regine Reissner, and Syed Asif Ansar. "Engineered Thermal Sprayed Oxygen Evolution Electrode for Hydrogen Production by Alkaline Water Electrolysis." In ITSC2019, edited by F. Azarmi, K. Balani, H. Koivuluoto, Y. Lau, H. Li, K. Shinoda, F. Toma, J. Veilleux, and C. Widener. ASM International, 2019. http://dx.doi.org/10.31399/asm.cp.itsc2019p0388.
Full textChen, Yangbo, Yuwei Tang, Zhoumiao Liao, Xiaoyang Chen, and Juan Wang. "Effects of surface treatment on the electrocatalytic performance of Spinel NiCo2O4 and Carbon Nanotubes composite catalysts." In 2017 3rd International Forum on Energy, Environment Science and Materials (IFEESM 2017). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/ifeesm-17.2018.371.
Full textEl-Dera, Sandra Erfan, Ahmed Abd El Aziz, and Ahmed Abd El Moneim. "Evaluation of the Activity of Metal-Oxides as Anode Catalysts in Direct Methanol Fuel Cell." In ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology collocated with the ASME 2012 6th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/fuelcell2012-91288.
Full textChai, Rukaun, Yuetian Liu, Qianjun Liu, Xuan He, and Pingtian Fan. "Effect and Mechanism of CO2 Electrochemical Reduction for CCUS-EOR." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/206135-ms.
Full textShaikh, Naznin, and Abhijit Ray. "Electrocatalytic Performance of Bimetallic Ni-Mo Alloy with Thermally Modulated Microstructure for Hydrogen Generation at Ultra-Low Overpotential in Acidic Media." In 2022 IEEE 12th International Conference Nanomaterials: Applications & Properties (NAP). IEEE, 2022. http://dx.doi.org/10.1109/nap55339.2022.9934564.
Full textMcGrath, Kimberly, and Douglas Carpenter. "Improved Electrocatalytic Activity of Oxygen Reduction on Platinum Using Nano-Cobalt in Direct Methanol Fuel Cell Cathode Electrodes." In ASME 2006 4th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2006. http://dx.doi.org/10.1115/fuelcell2006-97198.
Full textSchechner, Pinchas, Eugenia Bubis, Hana Faiger, Eyal Zussman, and Ehud Kroll. "Glucose Oxidation by Nano-Fibrous Anodes in a Fuel Cell." In ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2008. http://dx.doi.org/10.1115/esda2008-59115.
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