Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer or spacer insulating structure
Reexamination Certificate
2008-02-27
2010-06-29
Lorengo, Jerry (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Separator, retainer or spacer insulating structure
Reexamination Certificate
active
07745043
ABSTRACT:
A planar fuel cell stack, having generators that generate electricity by an electrochemical reaction of a fuel and an oxidizing agent, the generators arranged on a same plane. A beading unit and a protruding portion are formed on a fastening plate and a separator so as to improve structural stiffness thereof. Accordingly, the constituent elements of the stack are fastened with a substantially uniform conjoining pressure compared to a conventional planar stack, and the thickness of the stack of the present invention can be thinner than that of the conventional planar stack.
REFERENCES:
patent: 2005/0095485 (2005-05-01), Saulsbury et al.
patent: 2005/0277007 (2005-12-01), Yoshitake et al.
patent: 2006/0234105 (2006-10-01), Suh
patent: 2001-0057896 (2001-07-01), None
patent: 10-2006-0108921 (2006-10-01), None
Korean patent abstracts for publication 1020010057896 dated Jul. 5, 2001 in the name of Jong Hyeon Lee.
Korean patent abstracts for publication 1020060108921 dated Oct. 18, 2006 in the name of Dong Myung Suh.
An Seong-Jin
Chang Seok-rak
Eun Yeong-Chan
Roh Gill-Tae
Sauk Jun-Ho
Barcena Carlos
Christie Parker & Hale LLP
Lorengo Jerry
Samsung SDI & Co., Ltd.
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