发明名称 |
Method and apparatus for coating an ion-exchange membrane with a catalyst layer |
摘要 |
A method for coating an ion-exchange membrane with a catalyst layer by first heating a surface of the membrane to thereby soften the surface, followed by deposition of a catalyst composition and compaction into the ion-exchange membrane to produce a catalyst-coated membrane. Heating of the ion-exchange membrane may be at a temperature between 20 DEG C and 50 DEG C, typically between 30 DEG C and 40 DEG C, above the glass transition temperature of the dry ion-exchange membrane. In one embodiment, the catalyst composition is fluidized in a fluidized bed reactor prior to being deposited on the membrane surface. A system for coating the ion-exchange membrane is also provided. The catalyst-coated membrane is particularly useful in electrochemical fuel cells. <IMAGE> |
申请公布号 |
EP1531510(A1) |
申请公布日期 |
2005.05.18 |
申请号 |
EP20030025494 |
申请日期 |
2003.11.06 |
申请人 |
BALLARD POWER SYSTEMS INC. |
发明人 |
VLAJNIC, GORAN;BEATTIE, PAUL D.;WILKE, TODD E. |
分类号 |
C25B9/10;H01M4/88;H01M8/10 |
主分类号 |
C25B9/10 |
代理机构 |
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