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Articles de revues sur le sujet « Palladium electrocatalyst »

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Auteur : Grafiati
Publié le 1 juin 2024

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1

Kryukov, Yu I., V. I. Lukovtsev, Elena Mikhailovna Petrenko et I. S. Khozyainova. « Electrochemical activity of the cathodes with platinum or platinum-palladium electrocatalysts for alkaline water electrolysis ». Electrochemical Energetics 12, no 1 (2012) : 36–38. http://dx.doi.org/10.18500/1608-4039-2012-12-1-36-38.

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Electrochemical activity of cathodes with Pt or Pt-Pd-electrocatalysts was studied by voltammetry method under galvanostatic conditions. The dependence of the overvoltage of hydrogen evolution reaction on the logarithm of current density and on the test time of the cathode with Pt-Pd-electrocatalysts are defined. It is shown that the electrochemical activity of cathode with Pt-Pd-electrocatalyst is two times higher than with Pt-electrocatalyst at the hydrogen evolution reaction in 30% KOH solution at 90°C. As the temperature increases from 15 to 90° C the current density at 40 mV overvoltage at the cathode with Pt-Pd-electrocatalyst increases by 8 times. The test results with this cathode electrocatalyst in the laboratory electrolyzer at a current density of 400 mA/cm2 and 65° C temperature within 11 days of intermittent regime work confirm the overvoltage stability in time.
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Ipadeola, Adewale K., et Kenneth I. Ozoemena. « Alkaline water-splitting reactions over Pd/Co-MOF-derived carbon obtained via microwave-assisted synthesis ». RSC Advances 10, no 29 (2020) : 17359–68. http://dx.doi.org/10.1039/d0ra02307h.

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3

Sofian, Muhammad, Fatima Nasim, Hassan Ali et Muhammad Arif Nadeem. « Pronounced effect of yttrium oxide on the activity of Pd/rGO electrocatalyst for formic acid oxidation reaction ». RSC Advances 13, no 21 (2023) : 14306–16. http://dx.doi.org/10.1039/d3ra01929b.

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4

Zheng, Jun Sheng, Xin Sheng Zhang, Sun Wen, Ping Li, Chun An Ma et Wei Kang Yuan. « A Novel Non-Metal Oxygen Reduction Electrocatalyst Based on Platelet Carbon Nanofiber ». Advanced Materials Research 132 (août 2010) : 264–70. http://dx.doi.org/10.4028/www.scientific.net/amr.132.264.

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A novel non-metal electrocatalyst based on platelet carbon nanofiber (p-CNF) is prepared, and a palladium electrocatalyst supported on activated carbon (AC) is also synthesized. The physico-chemistry properties of the p-CNF and palladium catalyst on AC (Pd/AC) are investigated by high resolution transmission electron microscopy, N2 physisorption and Raman spectra analysis. From cyclic voltammetric studies, it is found that p-CNF is more active than Pd/AC in acidic media. The p-CNF shows a more positive oxygen reduction reaction (ORR) onset reduction potential and a higher oxygen reduction current density than Pd/AC. Moreover, the ORR is controlled by a surface reaction process when Pd/AC is used, while it becomes diffusion controlled when p-CNF is used.
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Yazdan-Abad, Mehdi Zareie, Meissam Noroozifar, Ali Reza Modarresi-Alam et Hamideh Saravani. « Correction : Palladium aerogel as a high-performance electrocatalyst for ethanol electro-oxidation in alkaline media ». Journal of Materials Chemistry A 5, no 25 (2017) : 13228. http://dx.doi.org/10.1039/c7ta90123b.

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Mansor, Muliani, Sharifah Najiha Timmiati, Wai Yin Wong, Azran Mohd Zainoodin, Kean Long Lim et Siti Kartom Kamarudin. « NiPd Supported on Mesostructured Silica Nanoparticle as Efficient Anode Electrocatalyst for Methanol Electrooxidation in Alkaline Media ». Catalysts 10, no 11 (25 octobre 2020) : 1235. http://dx.doi.org/10.3390/catal10111235.

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The direct methanol fuel cell (DMFC) is a portable device and has the potential to produce 10 times higher energy density than lithium-ion rechargeable batteries. It is essential to build efficient methanol electrooxidation reaction electrocatalysts for DMFCs to achieve their practical application in future energy storage and conversion. A catalyst consisting of nickel–palladium supported onto mesostructured silica nanoparticles (NiPd–MSN) was synthesized by the wet impregnation method, while MSN was synthesized using the sol-gel method. MSN act as a catalyst support and has very good characteristics for practical support due to its large surface area (>1000 m2/g) and good chemical and mechanical stability. The microstructure and catalytic activity of the electrocatalysts were analyzed by X-ray diffraction (XRD), Fourier transform infrared (FTIR), field emission scanning electron microscopy (FESEM), Brunauer–Emmet–Teller (BET) theory, X-ray photoelectron spectroscopy (XPS), cyclic voltammetry (CV), and chronoamperometry (CA). XRD showed that the NiPd–MSN electrocatalysts had a high crystallinity of PdO and NiO, while FESEM displayed that NiPd was dispersed homogeneously onto the high surface area of MSN. In alkaline media, the catalytic activity toward the methanol oxidation reaction (MOR) of NiPd–MSN demonstrated the highest, which was 657.03 mA mg−1 more than the other electrocatalysts. After 3600 s of CA analysis at −0.2 V (vs. Ag/AgCl), the MOR mass activity of NiPd–MSN in alkaline media was retained at a higher mass activity of 190.8 mA mg−1 while the other electrocatalyst was significantly lower than that. This electrocatalyst is a promising anode material toward MOR in alkaline media.
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7

Chen, Jingguang G. « (Invited) Electrocatalytic Conversion of CO2 to Syngas with Controlled CO/H2 Ratios ». ECS Meeting Abstracts MA2023-01, no 37 (28 août 2023) : 2161. http://dx.doi.org/10.1149/ma2023-01372161mtgabs.

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One of the main research challenges for electrocatalysis that produces carbon-containing products from CO2 is avoiding the competing hydrogen evolution reaction. Instead of totally eliminating hydrogen, our approach makes use of the readily available protons in aqueous electrolyte to co-produce CO and H2, making synthesis gas (syngas) with a tunable CO:H2 ratio. The resulting syngas can then be used as feedstock for existing thermocatalytic processes, such as Fischer–Tropsch and methanol synthesis reactions [1]. We will present our results in identifying palladium hydride (PdH), formed under electrocatalytic reaction conditions, as an effective electrocatalyst that enables the syngas production [2]. We will also report our efforts in reducing the loading of Pd by alloying Pd with inexpensive secondary metals, supporting Pd on transition metal carbides and nitrides, and utilizing single atom Pd catalysts. For each type of the catalysts, we monitor the phase transition from Pd to PdH under reaction conditions with in-situ synchrotron-based X-ray absorption and X-ray diffraction techniques. We also identify descriptors for syngas production on PdH, bimetallic PdH, and supported PdH catalysts by performing DFT calculations of the effect of PdH formation on the binding strength of reaction intermediates. The research methodology established here should be useful not only for continued optimization of Pd-based syngas-producing electrocatalysts, but also for enhancing activity while reducing the loading of precious metals for other electrocatalytic applications. Furthermore, we will discuss our recent results in utilizing a tandem scheme of electrocatalytic-thermocatalytic processes to convert CO2 to C3 oxygenates [3]. [1] B.M. Tackett, E. Gomez and J.G. Chen, “Net reduction of CO2 via its thermocatalytic and electrocatalytic transformation reactions in standard and hybrid processes”, Nature Catalysis, 2 (2019) 381. [2] B.M. Tackett, J.H. Lee and J.G. Chen, “Electrochemical Conversion of CO2 to Syngas with Palladium-Based Electrocatalysts”, Accounts of Chemical Research, 53 (2020) 1535. [3] A.N. Biswas, Z. Xie, R. Xia, S. Overa, F. Jiao and J.G. Chen, “Tandem Electrocatalytic-Thermocatalytic Reaction Scheme for CO2 Conversion to C3 Oxygenates”, ACS Energy Letters, 7 (2022) 2904
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8

Kabir, Sadia, Kenneth Lemire, Kateryna Artyushkova, Aaron Roy, Madeleine Odgaard, Debbie Schlueter, Alexandr Oshchepkov et al. « Platinum group metal-free NiMo hydrogen oxidation catalysts : high performance and durability in alkaline exchange membrane fuel cells ». Journal of Materials Chemistry A 5, no 46 (2017) : 24433–43. http://dx.doi.org/10.1039/c7ta08718g.

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A highly active NiMo electrocatalyst for HOR in alkaline media with power density at 0.5 V higher than 100 mW cm−2 (peak value of 120 mW cm−2), which is similar to palladium was synthesized and comprehensively studied.
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9

Eskandrani, Areej A., Shimaa M. Ali et Hibah M. Al-Otaibi. « Study of the Oxygen Evolution Reaction at Strontium Palladium Perovskite Electrocatalyst in Acidic Medium ». International Journal of Molecular Sciences 21, no 11 (27 mai 2020) : 3785. http://dx.doi.org/10.3390/ijms21113785.

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The catalytic activity of Sr2PdO3, prepared through the sol-gel citrate-combustion method for the oxygen evolution reaction (OER) in a 0.1 M HClO4 solution, was investigated. The electrocatalytic activity of Sr2PdO3 toward OER was assessed via the anodic potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The glassy carbon modified Sr2PdO3 (GC/Sr2PdO3) electrode exhibited a higher electrocatalytic activity, by about 50 times, in comparison to the unmodified electrode. The order of the reaction was close to unity, which indicates that the adsorption of the hydroxyl groups is a fast step. The calculated activation energy was 21.6 kJ.mol−1, which can be considered a low value in evaluation with those of the reported OER electrocatalysts. The Sr2PdO3 perovskite portrayed a high catalyst stability without any probability of catalyst poisoning. These results encourage the use of Sr2PdO3 as a candidate electrocatalyst for water splitting reactions.
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10

Vdovenkov, Frol, Eugenia Bedova et Oleg Kozaderov. « Phase Transformation during the Selective Dissolution of a Cu85Pd15 Alloy : Nucleation Kinetics and Contribution to Electrocatalytic Activity ». Materials 16, no 4 (15 février 2023) : 1606. http://dx.doi.org/10.3390/ma16041606.

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This study determined the critical parameters for the morphological development of the electrode surface (the critical potential and the critical charge) during anodic selective dissolution of a Cu–Pd alloy with a volume concentration of 15 at.% palladium. When the critical values were exceeded, a phase transition occurred with the formation of palladium’s own phase. Chronoamperometry aided in the determination of the partial rates of copper ionization and phase transformation of palladium under overcritical selective dissolution conditions. The study determined that the formation of a new palladium phase is controlled by a surface diffusion of the ad-atom to the growing three-dimensional nucleus under instantaneous activation of the nucleation centres. We also identified the role of this process in the formation of the electrocatalytic activity of the anodically modified alloy during electro-oxidation of formic acid. This study demonstrated that HCOOH is only oxidated at a relatively high rate on the surface of the Cu85Pd15 alloy, which is subjected to selective dissolution under overcritical conditions. This can be explained by the fact that during selective dissolution of the alloy, a pure palladium phase is formed on its highly developed surface which has prominent catalytic activity towards the electro-oxidation of formic acid. The rate of electro-oxidation of HCOOH on the surface of the anodically modified alloy increased with the growth of the potential and the charge of selective dissolution, which can be used to obtain an electrode palladium electrocatalyst with a set level of electrocatalytic activity towards the anodic oxidation of formic acid.
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11

Ehsan, Muhammad Ali, Munzir H. Suliman, Abdul Rehman, Abbas Saeed Hakeem, Zain H. Yamani et Mohammad Qamar. « Direct deposition of a nanoporous palladium electrocatalyst for efficient hydrogen evolution reaction ». New Journal of Chemistry 44, no 19 (2020) : 7795–801. http://dx.doi.org/10.1039/d0nj00507j.

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12

Altaf, Faizah, Rohama Gill, Patrizia Bocchetta, Rida Batool, Muhammad Usman Hameed, Ghazanfar Abbas et Karl Jacob. « Electrosynthesis and Characterization of Novel CNx-HMMT Supported Pd Nanocomposite Material for Methanol Electro-Oxidation ». Energies 14, no 12 (16 juin 2021) : 3578. http://dx.doi.org/10.3390/en14123578.

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In the current research work, palladium (Pd) nanoparticles were electrochemically deposited on a nitrogen doped montmorillonite (CNx-MMT) support using the underpotential deposition (UPD) method. The prepared Pd based composite electrode was studied as an electrocatalyst for methanol fuel oxidation. The catalysts and the supporting materials montmorillonite, acid activated montmorillonite, and nitrogen doped montmorillonite (MMT, HMMT and CNx-HMMT) were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive X-ray spectroscopy (EDS) and electrochemical characterization by cyclic voltammetry (CV). The results indicated that Pd supported on CNx-HMMT possesses enhanced electrocatalytic activity and stability compared to commercial Pd/C, which was attributed to its higher electrochemical surface area (ECSA) (23.00 m2 g−1). The results demonstrated the potential application of novel Pd/CNx-HMMT composite nanomaterial as electrocatalysts for methanol electrooxidation in direct methanol fuel cells (DMFCs).
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13

Fan, Jianwei, Huawei Xu, Menghua Lv, Jinxiu Wang, Wei Teng, Xianqiang Ran, Xiao Gou, Xiaomin Wang, Yu Sun et Jianping Yang. « Mesoporous carbon confined palladium–copper alloy composites for high performance nitrogen selective nitrate reduction electrocatalysis ». New Journal of Chemistry 41, no 6 (2017) : 2349–57. http://dx.doi.org/10.1039/c6nj03994d.

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14

Nandan, R., et K. K. Nanda. « Rational geometrical engineering of palladium sulfide multi-arm nanostructures as a superior bi-functional electrocatalyst ». Nanoscale 9, no 34 (2017) : 12628–36. http://dx.doi.org/10.1039/c7nr04733a.

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15

Čović, Jelena, Valentin Mirceski, Aleksandra Zarubica, Dirk Enke, Simon Carstens, Aleksandar Bojić et Marjan Ranđelović. « Palladium-graphene hybrid as an electrocatalyst for hydrogen peroxide reduction ». Applied Surface Science 574 (février 2022) : 151633. http://dx.doi.org/10.1016/j.apsusc.2021.151633.

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16

Du, Cheng, Peng Li, Fulin Yang, Gongzhen Cheng, Shengli Chen et Wei Luo. « Monodisperse Palladium Sulfide as Efficient Electrocatalyst for Oxygen Reduction Reaction ». ACS Applied Materials & ; Interfaces 10, no 1 (21 décembre 2017) : 753–61. http://dx.doi.org/10.1021/acsami.7b16359.

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17

Shmychkova, O., I. Borovik, D. Girenko, P. Davydenko et A. Velichenko. « The effect of impurities on the stability of low concentrated eco-friendly solutions of NaOCl ». Voprosy Khimii i Khimicheskoi Tekhnologii, no 4 (juillet 2021) : 142–50. http://dx.doi.org/10.32434/0321-4095-2021-137-4-142-150.

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The synthesis of hypochlorous acid from low concentrated chloride-containing electrolytes has been studied on various oxide materials at the anode current density of 50 mA cm–2. Boron doped diamond, platinized titanium, metallic titanium doped with platinum and palladium and materials based on lead (IV) oxide modified with fluorine and surfactants turned out to be promising for the synthesis of hypochlorous acid by electrolysis. Whereas, given the stability of oxidant synthesis during cumulative electrolysis, titanium modified with platinum and palladium as well as pre-treated lead (IV) oxide containing surfactants (sodium laureth sulfate) was the best. One should additionally take into account the possibility of combined use of electrocatalysts for the synthesis of strong oxidants in the reverse current mode in flow systems, when the implementation of the gas cathode leads to the formation of hydrogen peroxide and hypochlorous acid is formed at the anode. In fact, only a metal electrocatalyst, such as titanium modified with platinum and palladium, can be a suitable material. The kinetics of hypochlorite conversion is primarily determined by the pH value of freshly prepared solutions, temperature and storage conditions. The presence of different organic and inorganic micro-impurities in the solution also affects the kinetics of the hypochlorite salt decomposition. The following micro-impurities show the most negative impact on the stability of sodium hypochlorite solutions: Co(II), Cu(II), Mg(II), Al(III), and K3[Fe(CN)6]; Ni(ІІ), Fe(III), and K4[Fe(CN)6] influence the stability to a lesser extent. The effect of chlorate on the inhibition of sodium hypochlorite activity as a disinfectant has been investigated. The presence of chlorate in the disinfectant solution involved results in the absence of bactericidal activity against S. aureus and P. aeuruginosa. The growth of pseudomonas colonies becomes more abundant with increasing chlorate content in the disinfectant.
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Qiu, Xiaoyu, Yuxuan Dai, Yawen Tang, Tianhong Lu, Shaohua Wei et Yu Chen. « One-pot synthesis of gold–palladium@palladium core–shell nanoflowers as efficient electrocatalyst for ethanol electrooxidation ». Journal of Power Sources 278 (mars 2015) : 430–35. http://dx.doi.org/10.1016/j.jpowsour.2014.12.086.

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Boettcher, Tim, Sasho Stojkovikj, Prashant Khadke, Ulrike Kunz, Matthew T. Mayer, Christina Roth, Wolfang Ensinger et Falk Muench. « Electrodeposition of palladium-dotted nickel nanowire networks as a robust self-supported methanol electrooxidation catalyst ». Journal of Materials Science 56, no 22 (23 avril 2021) : 12620–33. http://dx.doi.org/10.1007/s10853-021-06088-6.

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Abstract Mass activity and long-term stability are two major issues in current fuel cell catalyst designs. While supported catalysts normally suffer from poor long-term stability but show high mass activity, unsupported catalysts tend to perform better in the first point while showing deficits in the latter one. In this study, a facile synthesis route towards self-supported metallic electrocatalyst nanoarchitectures with both aspects in mind is outlined. This procedure consists of a palladium seeding step of ion track-etched polymer templates followed by a nickel electrodeposition and template dissolution. With this strategy, free-standing nickel nanowire networks which contain palladium nanoparticles only in their outer surface are obtained. These networks are tested in anodic half-cell measurements for demonstrating their capability of oxidising methanol in alkaline electrolytes. The results from the electrochemical experiments show that this new catalyst is more tolerant towards high methanol concentrations (up to $${5}\,\hbox{mol}\,\hbox{L}^{-1}$$ 5 mol L - 1 ) than a commercial carbon supported palladium nanoparticle catalyst and provides a much better long-term stability during potential cycling. Graphical Abstract
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20

Alia, Shaun M., et Yushan Yan. « Palladium Coated Copper Nanowires as a Hydrogen Oxidation Electrocatalyst in Base ». Journal of The Electrochemical Society 162, no 8 (2015) : F849—F853. http://dx.doi.org/10.1149/2.0211508jes.

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21

Yin, Kui, Yafei Cheng, Binbin Jiang, Fan Liao et Mingwang Shao. « Palladium – silicon nanocomposites as a stable electrocatalyst for hydrogen evolution reaction ». Journal of Colloid and Interface Science 522 (juillet 2018) : 242–48. http://dx.doi.org/10.1016/j.jcis.2018.03.045.

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22

Begum, Halima, Mohammad Shamsuddin Ahmed, Sung Cho et Seungwon Jeon. « Freestanding palladium nanonetworks electrocatalyst for oxygen reduction reaction in fuel cells ». International Journal of Hydrogen Energy 43, no 1 (janvier 2018) : 229–38. http://dx.doi.org/10.1016/j.ijhydene.2017.10.172.

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23

Xu, J. B., T. S. Zhao, S. Y. Shen et Y. S. Li. « Stabilization of the palladium electrocatalyst with alloyed gold for ethanol oxidation ». International Journal of Hydrogen Energy 35, no 13 (juillet 2010) : 6490–500. http://dx.doi.org/10.1016/j.ijhydene.2010.04.016.

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24

Pan, Yu, Yihua Zhu, Jianhua Shen, Ying Chen et Chunzhong Li. « Carbon-loaded ultrafine fully crystalline phase palladium-based nanoalloy PdCoNi/C : facile synthesis and high activity for formic acid oxidation ». Nanoscale 11, no 37 (2019) : 17334–39. http://dx.doi.org/10.1039/c9nr06671c.

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25

Teixeira, Marcos F. S., André Olean-Oliveira, Fernanda C. Anastácio, Diego N. David-Parra et Celso X. Cardoso. « Electrocatalytic Reduction of CO2 in Water by a Palladium-Containing Metallopolymer ». Nanomaterials 12, no 7 (2 avril 2022) : 1193. http://dx.doi.org/10.3390/nano12071193.

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The palladium–salen complex was immobilized by electropolymerization onto a Pt disc electrode and applied as an electrocatalyst for the reduction of CO2 in an aqueous solution. Linear sweep voltammetry measurements and rotating disk experiments were carried out to study the electrochemical reduction of carbon dioxide. The onset overpotential for carbon dioxide reduction was approximately −0.22 V vs. NHE on the poly-Pd(salen) modified electrode. In addition, by combining the electrochemical study with a kinetic study, the rate-determining step of the electrochemical CO2 reduction reaction (CO2RR) was found to be the radial reduction of carbon dioxide to the CO adsorbed on the metal.
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Li, Shuwen, Honglei Yang, Hai Zou, Ming Yang, Xiaodi Liu, Jun Jin et Jiantai Ma. « Palladium nanoparticles anchored on NCNTs@NGS with a three-dimensional sandwich-stacked framework as an advanced electrocatalyst for ethanol oxidation ». Journal of Materials Chemistry A 6, no 30 (2018) : 14717–24. http://dx.doi.org/10.1039/c8ta04471f.

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Liu, Haijing, Jianming Bao, Jingjun Liu, Meiling Dou et Feng Wang. « V–P–O compound encapsulated palladium nanoparticles supported on carbon nanotubes as a methanol-tolerant oxygen reduction electrocatalyst ». RSC Advances 6, no 36 (2016) : 30154–59. http://dx.doi.org/10.1039/c6ra00937a.

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Palladium (Pd) nanoparticles encapsulated by the vanadium–phosphorus–oxygen (V–P–O) compound were synthesized and decorated on carbon nanotubes (Pd@V–P–O/CNT) through an oleylamine-mediated method stabilized with trioctylphosphine.
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Kannan, Ramanujam, Palanisamy Ravichandiran et Kulandaivelu Karunakaran. « Manganite nanorods supported palladium - a facile electrocatalyst for direct glycerol fuel cells ». International Journal of Materials Engineering Innovation 5, no 3 (2014) : 261. http://dx.doi.org/10.1504/ijmatei.2014.064286.

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Yan, Zaoxue, Zhuofeng Hu, Chan Chen, Hui Meng, Pei Kang Shen, Hongbin Ji et Yuezhong Meng. « Hollow carbon hemispheres supported palladium electrocatalyst at improved performance for alcohol oxidation ». Journal of Power Sources 195, no 21 (novembre 2010) : 7146–51. http://dx.doi.org/10.1016/j.jpowsour.2010.06.014.

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Naga Mahesh, K., R. Balaji et K. S. Dhathathreyan. « Palladium nanoparticles as hydrogen evolution reaction (HER) electrocatalyst in electrochemical methanol reformer ». International Journal of Hydrogen Energy 41, no 1 (janvier 2016) : 46–51. http://dx.doi.org/10.1016/j.ijhydene.2015.09.110.

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Lee, Chien-Liang, Hsueh-Ping Chiou et Chia-Ru Liu. « Palladium nanocubes enclosed by (100) planes as electrocatalyst for alkaline oxygen electroreduction ». International Journal of Hydrogen Energy 37, no 5 (mars 2012) : 3993–97. http://dx.doi.org/10.1016/j.ijhydene.2011.11.118.

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Luo, Fang, Quan Zhang, Xinxin Yu, Shenglin Xiao, Ying Ling, Hao Hu, Long Guo et al. « Palladium Phosphide as a Stable and Efficient Electrocatalyst for Overall Water Splitting ». Angewandte Chemie 130, no 45 (12 octobre 2018) : 15078–83. http://dx.doi.org/10.1002/ange.201810102.

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Luo, Fang, Quan Zhang, Xinxin Yu, Shenglin Xiao, Ying Ling, Hao Hu, Long Guo et al. « Palladium Phosphide as a Stable and Efficient Electrocatalyst for Overall Water Splitting ». Angewandte Chemie International Edition 57, no 45 (12 octobre 2018) : 14862–67. http://dx.doi.org/10.1002/anie.201810102.

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Kurt Urhan, Bingül, Hülya Öztürk Doğan, Tuba Öznülüer Özer et Ümit Demir. « Palladium-coated polyaniline nanofiber electrode as an efficient electrocatalyst for hydrogen evolution reaction ». International Journal of Hydrogen Energy 47, no 7 (janvier 2022) : 4631–40. http://dx.doi.org/10.1016/j.ijhydene.2021.11.101.

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Joya, Khurram Saleem, Muhammad Ali Ehsan, Noor-Ul-Ain Babar, Manzar Sohail et Zain H. Yamani. « Nanoscale palladium as a new benchmark electrocatalyst for water oxidation at low overpotential ». Journal of Materials Chemistry A 7, no 15 (2019) : 9137–44. http://dx.doi.org/10.1039/c9ta01198f.

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An effcient electrocatalytic Pd system, prepared via the AACVD method, is presented executing high activity water oxidation at 1.43 V vs RHE; η = 200 mV while exceeding the benchmark performance of IrO2.
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Miah, Md Rezwan, Muhammad Tanzirul Alam, Takeyoshi Okajima et Takeo Ohsaka. « Electrochemically Fabricated Tin–Palladium Bimetallic Electrocatalyst for Oxygen Reduction Reaction in Acidic Media ». Journal of The Electrochemical Society 156, no 10 (2009) : B1142. http://dx.doi.org/10.1149/1.3183803.

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Alesker, Maria, Miles Page, Meital Shviro, Yair Paska, Gregory Gershinsky, Dario R. Dekel et David Zitoun. « Palladium/nickel bifunctional electrocatalyst for hydrogen oxidation reaction in alkaline membrane fuel cell ». Journal of Power Sources 304 (février 2016) : 332–39. http://dx.doi.org/10.1016/j.jpowsour.2015.11.026.

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Yusuf, Mohammad, Muthuchamy Nallal, Ki Min Nam, Sehwan Song, Sungkyun Park et Kang Hyun Park. « Palladium-loaded core-shell nanospindle as potential alternative electrocatalyst for oxygen reduction reaction ». Electrochimica Acta 325 (décembre 2019) : 134938. http://dx.doi.org/10.1016/j.electacta.2019.134938.

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Ghasemi, Shahram, Sayed Reza Hosseini, Shima Nabipour et Parvin Asen. « Palladium nanoparticles supported on graphene as an efficient electrocatalyst for hydrogen evolution reaction ». International Journal of Hydrogen Energy 40, no 46 (décembre 2015) : 16184–91. http://dx.doi.org/10.1016/j.ijhydene.2015.09.114.

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Begum, Halima, Mohammad Shamsuddin Ahmed et Seungwon Jeon. « Highly Efficient Dual Active Palladium Nanonetwork Electrocatalyst for Ethanol Oxidation and Hydrogen Evolution ». ACS Applied Materials & ; Interfaces 9, no 45 (3 novembre 2017) : 39303–11. http://dx.doi.org/10.1021/acsami.7b09855.

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Zhang, Xinjin, Qinglin Sheng et Jianbin Zheng. « Palladium nanoparticles decorated SnO2 wrapped MWCNT nanocomposites as a highly efficient H2O2 electrocatalyst ». New Journal of Chemistry 43, no 1 (2019) : 175–81. http://dx.doi.org/10.1039/c8nj04421j.

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Sekol, Ryan C., Xiaokai Li, Peter Cohen, Gustavo Doubek, Marcelo Carmo et André D. Taylor. « Silver palladium core–shell electrocatalyst supported on MWNTs for ORR in alkaline media ». Applied Catalysis B : Environmental 138-139 (juillet 2013) : 285–93. http://dx.doi.org/10.1016/j.apcatb.2013.02.054.

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Majhi, Kartick Chandra, et Mahendra Yadav. « Palladium oxide decorated transition metal nitride as efficient electrocatalyst for hydrogen evolution reaction ». Journal of Alloys and Compounds 855 (février 2021) : 157511. http://dx.doi.org/10.1016/j.jallcom.2020.157511.

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Ilieva, M., V. Tsakova et W. Erfurth. « Electrochemical formation of bi-metal (copper–palladium) electrocatalyst supported on poly-3,4-ethylenedioxythiophene ». Electrochimica Acta 52, no 3 (novembre 2006) : 816–24. http://dx.doi.org/10.1016/j.electacta.2006.06.015.

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Zheng, Jun-Sheng, Xin-Sheng Zhang, Ping Li, Jun Zhu, Xing-Gui Zhou et Wei-Kang Yuan. « Effect of carbon nanofiber microstructure on oxygen reduction activity of supported palladium electrocatalyst ». Electrochemistry Communications 9, no 5 (mai 2007) : 895–900. http://dx.doi.org/10.1016/j.elecom.2006.12.006.

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Ha, Nguyen Thi Cam, Nguyen Huu Tho, Nguyen Van Thuc et Huynh Thi Lan Phuong. « STUDY ON SYNTHESIS AND CHARACTERIZATION OF ELECTROCATALYST CONTAINING PLATINUM, PALLADIUM, NICKEL FOR HYDROGEN EVOLUTION REACTION IN ALKALINE MEDIUM ». IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 63, no 2 (8 février 2020) : 52–58. http://dx.doi.org/10.6060/ivkkt.20206302.6069.

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Several kinds of electrocatalyst based on platinum, palladium, and nickel with glassy carbon substrate were successfully synthesized by electrodeposition method, and then applied for water electrolysis in alkaline media. Surface morphology of materials was investigated with scanning electron microscopy method. Energy-dispersive X-ray spectroscopy was used to find the content of each metal in bimetallic materials. The result showed that the number of noble metals was moderately decreased while the catalytic activities were slightly better than pure metal electrodes. Linear sweep voltammetry measurement was taken in KOH 1M solution to find the overvoltage of hydrogen evolution reaction and cyclic voltammetry method in 0.01M K3[Fe(CN)6]: 0.01M K4[Fe(CN)6] in 0.1M KOH was used to determine the reversible capacity of material electrodes. The linear sweep voltammetry measurements confirmed that the activities of new catalysts are higher than the origin materials. The binary catalyst of Pt-Ni can replace platinum for hydrogen evolution reaction in alkaline medium. Notably, the replacement of platinum atoms with palladium and nickel atoms, and the combination of good properties of them leads to improve the catalytic activity, and in the same time to decrease the catalyst cost. Once again, the electrochemical parameters open up a new prospect for the hydrogen produce.
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Maya-Cornejo, J., E. Ortiz-Ortega, L. Álvarez-Contreras, N. Arjona, M. Guerra-Balcázar, J. Ledesma-García et L. G. Arriaga. « Copper–palladium core–shell as an anode in a multi-fuel membraneless nanofluidic fuel cell : toward a new era of small energy conversion devices ». Chemical Communications 51, no 13 (2015) : 2536–39. http://dx.doi.org/10.1039/c4cc08529a.

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A novel Cu@Pd core–shell electrocatalyst was used in a multi-fuel nanofluidic fuel cell with flow-through electrodes that operates with several fuels (individually and mixed) in alkaline media, providing electric power regardless fuel.
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Rañoa, Mary Elyssa R., Matthew L. Villanueva, Justienne Rei P. Laxamana, Hannah Grace G. Necesito et Bernard John V. Tongol. « Palladium/coconut husk biochar composite material as an effective electrocatalyst for ethanol oxidation reaction ». Advances in Natural Sciences : Nanoscience and Nanotechnology 15, no 2 (24 avril 2024) : 025003. http://dx.doi.org/10.1088/2043-6262/ad3de0.

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Abstract This study utilised coconut husk biochar as an alternative sustainable carbon support for Pd-based electrocatalyst for ethanol oxidation reaction in basic medium. Coconut husk biochar (BC) was prepared via slow pyrolysis at 800 °C for 1 h at a ramp rate of 5 °C min−1. The Pd/BC catalyst was prepared via borohydride-facilitated reduction of palladium chloride solution. TEM analysis revealed good dispersion of the Pd nanoparticles on the biochar support with particle size ranging from 1.9 to 3.4 nm. Cyclic voltammetry (CV) measurements of Pd/BC in 1.0 M ethanol in 0.1 M KOH gave an on-set potential of −0.615 V (versus Ag/AgCl) with a forward peak current density of 23.87 mA cm−2, which is slightly higher than the commercial Pd/C catalyst. The Pd/BC also has a higher electrochemical stability and durability than the commercial Pd/C catalyst based on chronoamperometry studies (i.e., 44.43% versus 39.64% current retention). The synthesised coconut husk biochar–supported Pd catalyst exhibited promising results for ethanol oxidation reaction for alkaline direct ethanol fuel cell application.
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Zareie Yazdan-Abad, Mehdi, Meissam Noroozifar, Ali Reza Modaresi Alam et Hamideh Saravani. « Palladium aerogel as a high-performance electrocatalyst for ethanol electro-oxidation in alkaline media ». Journal of Materials Chemistry A 5, no 21 (2017) : 10244–49. http://dx.doi.org/10.1039/c7ta03208k.

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Noble metal aerogels as three-dimensional (3D) nanostructures with high surface area and large porosity are known to be exceptional materials that can be applied in the area of catalysis applications.
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Nodehi, Zahra, Ali Ghaffarinejad et Amir Abbas Rafati. « Synergic and Antifouling Effect of ZnO on Ethanol Oxidation by Silver-Palladium Bimetallic Electrocatalyst ». Journal of The Electrochemical Society 166, no 12 (2019) : A2556—A2562. http://dx.doi.org/10.1149/2.0911912jes.

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