发明名称 |
Elektrokatalysator, bestehend aus einer Platinlegierung. |
摘要 |
Disclosed are a platinum alloy electrocatalyst having high activity and a long life comprising an electrically conductive carrier and dispersed in, and deposited on it, a platinum-iron-cobalt-copper quaternary ordered alloy composed of 40 to 70 atomic % of platinum, 9 to 27 atomic % of iron, 9 to 27 atomic % of cobalt and 9 to 27 atomic % of copper, and an electrode for an acid electrolyte fuel cell which electrode comprises the platinum alloy electrocatalyst, a water-repellent binder and a conductive and acid-resistant supporting member, the electrocatalyst and the water-repellent binder being bonded to. |
申请公布号 |
DE69002487(T2) |
申请公布日期 |
1993.12.16 |
申请号 |
DE1990602487T |
申请日期 |
1990.03.08 |
申请人 |
N.E. CHEMCAT CORP., TOKIO/TOKYO, JP |
发明人 |
ITOH, TAKASHI, ICHIKAWA-SHI, CHIBA-KEN, JP;KATOH, KATSUAKI, MATSUDO-SHI, CHIBA-KEN, JP |
分类号 |
B01J23/89;C22C1/00;C22C5/04;C25B11/08;G01N27/30;H01M4/86;H01M4/88;H01M4/90;H01M4/92 |
主分类号 |
B01J23/89 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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