发明授权
- 专利标题： Simplified process for leaching precious metals from fuel cell membrane electrode assemblies
- 专利标题（中）： 从燃料电池膜电极组件浸出贵金属的简化过程
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申请号： US11844723申请日： 2007-08-24
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公开(公告)号： US07635534B2公开(公告)日： 2009-12-22
- 发明人: Lawrence Shore , Ramail Matlin
- 申请人： Lawrence Shore , Ramail Matlin
- 申请人地址： US NJ Florham Park
- 专利权人： BASF Catalysts LLC
- 当前专利权人： BASF Catalysts LLC
- 当前专利权人地址： US NJ Florham Park
- 代理商 Bernard Lau
- 主分类号： H01M8/00
- IPC分类号： H01M8/00 ; C22B3/06 ; C22B3/10 ; C22B11/04
摘要：
The membrane electrode assemblies of fuel cells are recycled to recover the catalyst precious metals from the assemblies. The assemblies are cryogenically embrittled and pulverized to form a powder. The pulverized assemblies are then mixed with a surfactant to form a paste which is contacted with an acid solution to leach precious metals from the pulverized membranes.
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