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:
Mar. 02, 2021
Filed:
Jan. 14, 2019
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Risako Ito, Nagoya, JP;
Makoto Ohmori, Nagoya, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/0662 (2016.01); H01M 8/2432 (2016.01); B01D 53/04 (2006.01); H01M 8/2484 (2016.01); H01M 8/124 (2016.01);
U.S. Cl.
CPC ...
H01M 8/0662 (2013.01); B01D 53/04 (2013.01); H01M 8/2432 (2016.02); H01M 8/2484 (2016.02); H01M 2008/1293 (2013.01);
Abstract
A fuel cell device includes an electrochemical cell, an oxidizer gas supply portion, and a contaminant trap portion. An oxidizer gas supply portion has an oxidizer gas supply port for supplying an oxidizer gas to the cathode. A contaminant trap portion is disposed on a portion of the cathode on the side with the oxidizer gas supply port and exhibits oxygen ion conductivity and electron conductivity.