发明授权
US08053133B2 Bipolar plate hydrophilic treatment for stable fuel cell stack operation at low power
有权
双极板亲水处理，在低功率下稳定的燃料电池堆操作
- 专利标题： Bipolar plate hydrophilic treatment for stable fuel cell stack operation at low power
- 专利标题（中）： 双极板亲水处理，在低功率下稳定的燃料电池堆操作
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申请号： US11936651申请日： 2007-11-07
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公开(公告)号： US08053133B2公开(公告)日： 2011-11-08
- 发明人: Thomas A. Trabold , Steven R. Falta , Pinkhas A. Rapaport , Reena L. Datta , Gayatri Vyas Dadheech
- 申请人： Thomas A. Trabold , Steven R. Falta , Pinkhas A. Rapaport , Reena L. Datta , Gayatri Vyas Dadheech
- 申请人地址： US MI Detroit
- 专利权人： GM Global Technology Operations LLC
- 当前专利权人： GM Global Technology Operations LLC
- 当前专利权人地址： US MI Detroit
- 代理机构： Miller IP Group, PLC
- 代理商 John A. Miller
- 主分类号： H01M2/38
- IPC分类号： H01M2/38 ; H01M6/24 ; B05D5/12 ; C03C15/00
摘要：
A flow field plate or bipolar plate for a fuel cell that includes a hydrophilic coating formed on flow field channels extending through a tunnel region between a cell active area and the inlet and outlet manifolds. The flow field plates are an assembly of a cathode side unipolar plate and an anode side unipolar plate. The hydrophilic coating is deposited on the unipolar plates prior to the unipolar plates being assembled into the flow field plate so that line of site deposition processes can be used to coat the flow field channels in the tunnel region. The unipolar plates can be any suitable fuel cell unipolar plates, such as stamped unipolar plates or composite unipolar plates.
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