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:
Nov. 28, 2006
Yasushi Sugawara, Osaka, JP;
Takayuki Urata, Hyogo, JP;
Takahiro Umeda, Nara, JP;
Akihiko Yoshida, Osaka, JP;
Soichi Shibata, Osaka, JP;
Junji Morita, Osaka, JP;
Yasushi Sugawara, Osaka, JP;
Takayuki Urata, Hyogo, JP;
Takahiro Umeda, Nara, JP;
Akihiko Yoshida, Osaka, JP;
Soichi Shibata, Osaka, JP;
Junji Morita, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
In a fuel cell system, during the state where the fuel cell system is not generating an electric power, a fuel gas passage and an oxidizing gas passage are closed, and an inert gas supply device () supplies an inert gas to an anode space () which is substantially isolated from outside, the anode space including the closed fuel gas passage and a space connected to the closed fuel gas passage, while an air supply device () supplies air to a cathode space () which is substantially isolated from outside, the cathode space including the closed oxidizing gas passage and a space connected to the closed oxidizing gas passage. With this, the fuel cell system is capable of achieving high energy efficiency and of surely preventing degradation of electrodes during the state where the fuel cell system is not generating the electric power, irrespective of repeated start-up and stop.