Journal
JOURNAL OF ENERGY CHEMISTRY
Volume 51, Issue -, Pages 175-181Publisher
ELSEVIER
DOI: 10.1016/j.jechem.2020.03.081
Keywords
Fuel cell; Hydrazine; Alkaline media; Membrane-electrode assembly
Funding
- Technology Development Program to Solve Climate Changes through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT [2018M1A2A2063861]
- National Research Foundation of Korea [2018M1A2A2063861] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In this study, we first attempted to discover the optimal configuration of membrane-electrode assemblies (MEAs) used to achieve a high performance of direct hydrazine fuel cells (DHFCs). We have investigated the effect of water management and the electrode thickness on the performance of DHFCs, depending on the hydrophobicity of the gas diffusion layers in the cathode and the catalyst loading in the anode with the carbon-supported Ni, synthesized by a polyol process. With the optimal water management and electrode thickness, the MEA constructed using the as-prepared Ni/C anode catalyst containing the metallic and low oxidative state and ultra-low Pt loading cathode reduced the ohmic resistance and mass transfer limitation in the current-voltage curves observed for the alkaline DHFC, achieving an impressive power performance over 500 mW cm(-2). (c) 2020 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. and Science Press. All rights reserved.
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