The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 15, 2006
Filed:
Mar. 26, 2004
Chen-chi Martin MA, Hsinchu, TW;
Ken Hung Chen, Hsinchu, TW;
Hsu Chiang Kuan, Hsinchu, TW;
Shih Ming Chen, Hsinchu, TW;
Ming Huang Tsai, Hsinchu, TW;
Yi Yie Yan, Hsinchu, TW;
Fanghei Tsau, Hsinchu, TW;
Chen-Chi Martin Ma, Hsinchu, TW;
Ken Hung Chen, Hsinchu, TW;
Hsu Chiang Kuan, Hsinchu, TW;
Shih Ming Chen, Hsinchu, TW;
Ming Huang Tsai, Hsinchu, TW;
Yi Yie Yan, Hsinchu, TW;
Fanghei Tsau, Hsinchu, TW;
Industrial Technology Research Institute, Hsinchu, TW;
National Tsing Hua University, Hsinchu, TW;
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.