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.

Date of Patent:
Aug. 12, 2014

Filed:

Sep. 07, 2010
Applicants:

Dai Gil Lee, Daejeon, KR;

Ha NA Yu, Gyeongsangbuk-do, KR;

Byoung Chul Kim, Daejeon, KR;

Bu Gi Kim, Gwangju, KR;

Jun Woo Lim, Daejeon, KR;

Jung DO Suh, Seoul, KR;

Byung Ki Ahn, Gyeonggi-do, KR;

Sae Hoon Kim, Gyeonggi-do, KR;

Inventors:

Dai Gil Lee, Daejeon, KR;

Ha Na Yu, Gyeongsangbuk-do, KR;

Byoung Chul Kim, Daejeon, KR;

Bu Gi Kim, Gwangju, KR;

Jun Woo Lim, Daejeon, KR;

Jung Do Suh, Seoul, KR;

Byung Ki Ahn, Gyeonggi-do, KR;

Sae Hoon Kim, Gyeonggi-do, KR;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a method for manufacturing a composite separator for a fuel cell, which can reduce the electrical contact resistance by performing an additional post-treatment to remove residual resin remaining on the surface of the composite separator by plasma etching. In certain preferred embodiments, the present invention provides a method for manufacturing a composite separator for a fuel cell, in which a liquid phase resin for gasket is applied to the surface of the composite separator along a predetermined gasket pattern, or a semi-cured resin for gasket in the form of a film with a predetermined gasket pattern is stacked on the surface of the composite separator, and then plasma etching is performed to remove the residual resin and, at the same time, cure the resin for gasket, thus reducing the overall processing time to improve the productivity and preventing a composite material of the separator from being damaged.


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