发明名称 |
Process for making paste for sealing porous layers. |
摘要 |
A paste for sealing porous gas distribution plates in fuel cells is prepared by (a) mixing silicon carbide powder, polyethylene oxide and polytetrafluoroethylene together to form a paste mixture (b) sintering the mixture (c) adding concentrated phosphoric acid, and (d) mixing said acid with said sintered mixture to form a paste of uniform consistency. |
申请公布号 |
EP0220787(A2) |
申请公布日期 |
1987.05.06 |
申请号 |
EP19860201929 |
申请日期 |
1983.09.29 |
申请人 |
ENGELHARD CORPORATION |
发明人 |
FEIGENBAUM, HAIM;PUDICK, SHELDON;SINGH, RAJINDAR |
分类号 |
C09K3/12;H01M8/02 |
主分类号 |
C09K3/12 |
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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