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Title:
The system for carrying out continuous extraction of the precious metals from a fuel cell
Document Type and Number:
Japanese Patent JP6058074
Kind Code:
B2
Abstract:
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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Inventors:
Show, lawrence
Matrine, lamail
Application Number:
JP2015112121A
Publication Date:
January 11, 2017
Filing Date:
June 02, 2015
Export Citation:
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Assignee:
BASF Corporation
International Classes:
C22B11/00; C22B3/02; C22B3/06; C22B3/40; C22B7/00; H01M4/86; H01M8/04; H01M8/10
Domestic Patent References:
JP2005289001A
JP1108323A
JP51054825A
JP2005154892A
JP2008527165A
Foreign References:
WO2006073840A1
WO2003031664A1
WO2006069738A1
US5366998
Other References:
L. SHORE,ANNUAL MERIT REVIEW & PEER EVALUATION,米国,O-BASF THE CHEMICAL COMPANY,2007年 5月18日
Attorney, Agent or Firm:
Satoshi Eto



 
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