Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yi Yie Yan0
Ken Hung Chen0
Ming Huang Tsai0
Shih Ming Chen0
Chen-Chi Martin Ma0
Fanghei Tsau0
Hsu Chiang Kuan0
Date of Patent
August 15, 2006
0Patent Application Number
108093560
Date Filed
March 26, 2004
0Patent Primary Examiner
Patent abstract
A composite bipolar plate of polymer electrolyte membrane fuel cells (PEMFC) is prepared as follows: a) preparing a bulk molding compound (BMC) material containing a vinyl ester resin and a graphite powder, the graphite powder content of BMC material ranging from 60 wt % to 80 wt %, based on the compounded mixture; b) molding the BMC material from step a) to form a bipolar plate having a desired shape at 80–200° C. and 500–4000 psi, wherein the graphite powder is of 40 mesh–80 mesh.
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