发明名称 |
Separator for a fuel cell and manufacturing method of the separator |
摘要 |
To provide a separator for a fuel cell made of graphite excellent in mechanical strength and gas impermeability as well as electric characteristic properties, a separator for a fuel cell is produced from a molded body produced by filling a graphite powder 21 whose surface is coated with resin 20 in a molding die and by pressure-molding the powder. Such a molded body is provided with excellent mechanical strength of 40 MPa of bending strength or higher, 10x10<-8 >cc.cm/cm<2>.sec.atm of gas permeability or lower, and electric property of 10x10<-3 >Omega.cm of the volume resistance or lower even if the content of resin is decreased to as low as 10 to 24 wt. %.
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申请公布号 |
US6864008(B2) |
申请公布日期 |
2005.03.08 |
申请号 |
US20010029231 |
申请日期 |
2001.12.20 |
申请人 |
NIPPON PILLLAR PACKING CO., LTD.;TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
OTAWA KAZUHIKO;KATO SHOJI;SUGITA KATSUNORI |
分类号 |
H01M8/02;H01M8/10;(IPC1-7):H01M8/02;C08J5/00;H01B1/24 |
主分类号 |
H01M8/02 |
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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