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. 06, 2011
Filed:
Mar. 09, 2007
Shinichiro Imura, Gunma, JP;
Takashi Yasuo, Ashikaga, JP;
Shinichiro Imura, Gunma, JP;
Takashi Yasuo, Ashikaga, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
A fuel cell which can utilize the fuel in its fuel reservoir to the fullest possible extent. The fuel cell includes: an electrolyte layer; a first electrode which is provided on one surface of the electrolyte layer and to which a liquid fuel is supplied; and a second electrode which is provided on the other surface of the electrolyte layer and to which an oxidant is supplied. The fuel cell further includes: a fuel chamber which is provided next to the first electrode and stores the liquid fuel; a fuel reservoir which is provided next to the fuel chamber and stores the liquid fuel to be refilled into the fuel chamber; a selectively permeable unit which is provided between the fuel chamber and the fuel reservoir and is permeable to the liquid fuel; and an osmotic pressure generating source which dissolves in a liquid stored in the fuel chamber and does not permeate the selectively permeable unit.