Performance of dimethyl ether fuel cells using a Pt‐Ru catalyst | Zendy

Haraguchi Tadao | Zendy; Tsutsumi Yasuyuki | Zendy; Takagi Hiroyuki | Zendy; Tamegai Naoaki | Zendy; Yamashita Susumu | Zendy

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Performance of dimethyl ether fuel cells using a Pt‐Ru catalyst

Author(s) -

Haraguchi Tadao,

Tsutsumi Yasuyuki,

Takagi Hiroyuki,

Tamegai Naoaki,

Yamashita Susumu

Publication year - 2005

Publication title -

electrical engineering in japan

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.136

H-Index - 28

eISSN - 1520-6416

pISSN - 0424-7760

DOI - 10.1002/eej.20072

Subject(s) - catalysis , dimethyl ether , methanol , anode , materials science , platinum , fuel cells , chemical engineering , chemistry , organic chemistry , engineering , electrode

Phenomena are presented whereby the performance of a dimethyl ether fuel cell (DDFC) at 80°C is much lower when a Pt‐Ru catalyst is used on the anode than when a Pt catalyst is used, in contrast to the higher performance achieved using a Pt‐Ru catalyst over a Pt catalyst in direct methanol fuel cells (DMFC). The DDFC performance achieved using a Pt‐Ru catalyst increases with temperature and exceeds that using a Pt catalyst at temperatures over 100 °C. After high‐temperature operation, the performance of DDFC using a Pt‐Ru catalyst at 80 °C is improved. By supplying sufficient steam before operation, the performance of DDFC using a Pt‐Ru catalyst at 80 °C is also found to improve. Before and during operation, more steam is needed for stable operation of the DDFC using a Pt‐Ru catalyst at 80 °C than using a Pt catalyst. © 2004 Wiley Periodicals, Inc. Electr Eng Jpn, 150(3): 19–25, 2005; Published online in Wiley InterScience ( www.interscience.wiley.com ). DOI 10.1002/eej.20072

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