发明申请
- 专利标题: Development of high energy surfaces on stainless steels for improved wettability
- 专利标题(中): 在不锈钢上开发高能表面以改善润湿性
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申请号: US11341354申请日: 2006-01-27
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公开(公告)号: US20070178356A1公开(公告)日: 2007-08-02
- 发明人: Keith Newman , Mahmoud Abd Elhamid , Charles Olk , Thomas Trabold , Gayatri Vyas
- 申请人: Keith Newman , Mahmoud Abd Elhamid , Charles Olk , Thomas Trabold , Gayatri Vyas
- 主分类号: H01M8/02
- IPC分类号: H01M8/02 ; B32B15/04
摘要:
A bi-polar plate is provided for a fuel cell stack. The bi-polar plate has improved surface wettability. The bi-polar plate includes a body including at least approximately ninety percent by weight of a metal and defining at least one flow channel. At least about 0.05 percent and up to 100 percent by weight of silicon is disposed on a surface of the at least one flow channel to form a high energy surface to form a high energy surface for the bi-polar plate. This can be achieved by adding from 0.5 to 10 weight % silicon to the steel. The percent of silicon is pre-determined based on a desired wettability of the high energy surface of the at least one flow channel.
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