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:
Feb. 25, 2020
Filed:
Sep. 26, 2014
Applicant:
Hitachi Chemical Company, Ltd., Tokyo, JP;
Inventors:
Masashi Aotani, Fukaya, JP;
Hiroki Kuzuoka, Tokyo, JP;
Assignee:
HITACHI CHEMICAL COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 2/34 (2006.01); H01M 4/66 (2006.01); H01M 4/13 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 2/348 (2013.01); H01M 4/13 (2013.01); H01M 4/667 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01); H01M 2200/106 (2013.01); H01M 2220/30 (2013.01);
Abstract
A cathode for a lithium ion secondary battery, including: a cathode current collector; a PTC layer including an electrically conductive particle, a polymer particle, and a water-soluble polymer, the PTC layer being provided on the cathode current collector; and a cathode active material layer provided on the PTC layer, as well as a lithium ion secondary battery using the same.