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:
Jul. 12, 2022
Filed:
Nov. 16, 2017
Applicant:
Nisshinbo Holdings Inc., Tokyo, JP;
Inventors:
Takeaki Kishimoto, Funabashi, JP;
Yoshikazu Kobayashi, Chiba, JP;
Chihiro Fujii, Chiba, JP;
Siyu Ye, Burnaby, CA;
Dustin William H Banham, West Vancouver, CA;
Assignee:
NISSHINBO HOLDINGS INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/92 (2006.01); H01M 4/86 (2006.01); H01M 4/96 (2006.01); H01M 8/1004 (2016.01);
U.S. Cl.
CPC ...
H01M 4/926 (2013.01); H01M 4/8657 (2013.01); H01M 4/96 (2013.01); H01M 8/1004 (2013.01);
Abstract
A cathode, a membrane electrode assembly, and a battery, each has excellent durability. The cathode is a cathode of a battery including an electrolyte membrane, the cathode including: a first layer which contains 0.3 mg/cmor more and 9.0 mg/cmor less of a carbon catalyst; and a second layer which is arranged between the electrolyte membrane and the first layer in the battery, and which contains 0.002 mg/cmor more and 0.190 mg/cmor less of platinum.