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:
Dec. 15, 2009
Filed:
Nov. 22, 2005
Applicant:
Tomoaki Arimura, Ome, JP;
Inventor:
Tomoaki Arimura, Ome, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 2/08 (2006.01); C08F 4/04 (2006.01); C08F 26/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel cell comprises a cell unit in which a plurality of single cells are laminated, each of which has a membrane type electrode unit including a fuel electrode to which an aqueous methanol solution is supplied as a fuel, an air electrode to which an oxidizing gas is supplied, and an electrolyte membrane interposed between the fuel electrode and the air electrode, and a fuel absorbing member disposed around the cell unit, the fuel absorbing member being composed of a polymer represented by the following formula (I) where Rdenotes a cationic aromatic functional group, Rdenotes an anion, and n is an integer of 2 or more.