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. 11, 2020
Filed:
Aug. 31, 2017
Applicant:
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Inventors:
Norio Takami, Yokohama Kanagawa, JP;
Hayato Seki, Kawasaki Kanagawa, JP;
Shinsuke Matsuno, Tokyo, JP;
Assignee:
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/058 (2010.01); H01M 10/052 (2010.01); H01M 10/04 (2006.01); H01M 4/485 (2010.01); H01M 10/0568 (2010.01); H01M 10/054 (2010.01); H01M 6/04 (2006.01);
U.S. Cl.
CPC ...
H01M 10/058 (2013.01); H01M 4/485 (2013.01); H01M 6/045 (2013.01); H01M 10/049 (2013.01); H01M 10/052 (2013.01); H01M 10/054 (2013.01); H01M 10/0568 (2013.01); H01M 2220/20 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01);
Abstract
According to one embodiment, a secondary battery includes a positive electrode, a negative electrode, a separator, a first electrolyte and a second electrolyte. The separator is arranged at least between the positive electrode and the negative electrode. The first electrolyte is contained at least in the positive electrode. The first electrolyte includes a lithium salt and an aqueous solvent. The second electrolyte is contained at least in the negative electrode. The second electrolyte includes a bis(fluorosulfonyl)imide salt and an aqueous solvent.