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. 06, 2024
Filed:
Feb. 21, 2019
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0569 (2010.01); H01M 4/36 (2006.01); H01M 4/58 (2010.01); H01M 10/0525 (2010.01); H01M 4/38 (2006.01); H01M 4/02 (2006.01); H01M 4/134 (2010.01); H01M 10/052 (2010.01); H01M 4/136 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0569 (2013.01); H01M 4/364 (2013.01); H01M 4/386 (2013.01); H01M 4/5825 (2013.01); H01M 10/0525 (2013.01); H01M 4/134 (2013.01); H01M 4/136 (2013.01); H01M 10/052 (2013.01); H01M 2004/027 (2013.01); H01M 2220/20 (2013.01); H01M 2300/0034 (2013.01); Y02E 60/10 (2013.01);
Abstract
A secondary battery includes a negative electrode containing a lithium silicate phase and silicon particles dispersed in the lithium silicate phase and an electrolytic solution containing a fluorine-containing linear carboxylic acid ester represented by R—(CO)O—CH—R(wherein Ris an alkyl group and Ris an alkyl group in which at least one hydrogen atom is substituted with fluorine).