Unusually active palladium-based catalysts for the electrooxidation of formic acid |
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| Affiliation: | 1. School of Chemistry and Chemical Engineering Yangzhou University, Yangzhou 225002, PR China;2. Collaborative Innovation Center of Sustainable Energy Materials, Guangxi Key Laboratory of Electrochemical Energy Materials, State Key Laboratory of Processing for Non-ferrous Metal and Featured Materials, Guangxi University, Nanning 530004, PR China;3. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China;1. Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, China;2. College of Chemistry and Chemical Engineering, Harbin Normal University, No. 1 Normal University South Road, Harbin, 150025, China;3. MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, No.92 West-Da Zhi Street, Harbin, 150001, China;4. Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People''s Republic of China, Heilongjiang University, No. 74, Xuefu Road, Harbin, 150080, China;1. School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China;2. State Key Laboratory of Electroanalytical Chemistry, Laboratory of Advanced Power Sources, Changchun Institute of Applied chemistry, Chinese Academy of Sciences, Changchun 130022, China;3. Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, Fudan University, Shanghai 200433, China;4. Institute for Sustainable Energy, Shanghai University, Shanghai 200444, China;1. State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China;2. Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, Xiamen 361005, China;3. Center of Modern Experimental Technology, Anhui University, Hefei 230039, China |
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| Abstract: | Formic acid fuel cells offer exciting prospects for powering portable electronic and MEMS devices. Pd-based catalysts further improve the performance of direct formic acid fuel cells while reducing catalyst costs over Pt-based catalysts. This study investigates several Pd-based catalysts, both unsupported and carbon-supported, and compares the electrochemical results with results obtained in an operating fuel cell. Power densities of up to 260 mW cm−2 were achieved in a fuel cell at 750 mA operating at 30 °C. Carbon-supported catalysts and addition of other metals, such as gold, show potential in further improving the performance of Pd-based catalysts. |
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