Electrochemical Investigations of Al-Carbon Hybrid Bipolar Plate Materials for Polymer Electrolyte Fuel Cells

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概要

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• We have investigated new Al-carbon bipolar plate materials for a polymer electrolyte fuel cell (PEFC). Recently, many developments for bipolar plate materials have been founded in PEFC studies. More improvements are required in advancements for low corrosion rate, high conductivity and reduced cost. We propose a new concept for bipolar plate materials, specifically Al-carbon hybrid materials. This hybrid includes thin film carbon technology and ordered interfacial technology. The Al-carbon hybrid materials proposed in this paper have low corrosion rate, high conductivity and low cost. We present the electrochemical and physical properties of Al-carbon hybrid bipolar plate materials for PEFC. The corrosion behavior of Al-carbon hybrid materials was investigated using the Tafelextrapolation method and inductively coupled plasma spectrometry (ICP). In spite of local battery-effect reactions occurring within some Al alloy materials, the proposed Al-carbon hybrid bipolar plate materials have good performance for corrosion resistance and conductivity.

• 公益社団法人 電気化学会の論文

著者

• Kasuya Atsuo

  Center For Interdisciplinary Research Tohoku University

• Itoh Takashi

  Center For Information And Sciences Nippon Medical School

• UCHIDA Tatsuo

  Center for Interdisciplinary Research and Graduate School of Engineering, Tohoku University

• YIN Dongzhu

  Center for Interdisciplinary Research and Graduate School of Engineering, Tohoku University

• TOKI Kazumasa

  Center for Interdisciplinary Research and Graduate School of Engineering, Tohoku University

• YAMADA Muneyoshi

  Center for Interdisciplinary Research and Graduate School of Engineering, Tohoku University

• KASUYA Atsuo

  Center for Interdisciplinary Research and Graduate School of Engineering, Tohoku University

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