Electrochemical Corrosion of Carbon Materials in an Aqueous Acid Solution
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概要
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In this fundamental study on corrosion of the carbon catalyst support in a PEMFC cathode, corrosion rates of electrodes made of carbon powder were investigated by measuring CO2 generation. The corrosion rate was affected by not only the retention potential but also by the presence of dissolved oxygen in the electrolyte. The corrosion rate showed two stages; initial corrosion was observed for several hours, and was followed by steady-state corrosion. Even in this latter stage, change to a lower potential induced a peak in the corrosion rate that exceeded the previous steady value just after the potential was restored. Corrosion was also accelerated by platinum catalyst.
- 公益社団法人 電気化学会の論文
著者
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Tasaka Akimasa
Faculty Of Engneering Doshisha University
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Yasuda Kazuaki
Research Institute For Ubiquitous Energy Devices National Institute Of Advanced Industrial Science A
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Tanaka Masatoshi
Faculty Of Agriculture Okayama University
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INABA Minoru
Faculty of Engineering, Doshisha University
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TANAKA Masatoshi
Faculty of Engineering, Doshisha University
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SIROMA Zyun
Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST)
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TANIMOTO Kazumi
Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST)
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TASAKA Akimasa
Faculty of Engineering, Doshisha University
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