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:
Oct. 23, 2012
Filed:
Feb. 12, 2008
Applicant:
Robert Hahn, Berlin, DE;
Inventor:
Robert Hahn, Berlin, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/38 (2006.01); H01M 2/40 (2006.01); H01M 8/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a fuel cell stack composed of at least one fuel cell () and at least two separator structures ('). Said separator structures (′) are open on at least one side towards the exterior in order to allow passive exchange of air. Also, said separator structures comprise a channel system (′) for guiding fuel. The fuel cell can be embodied as a bi-fuel cell () composed of two electric cells. The anodes or cathodes of the two electric cells are arranged opposite each other.