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:
Aug. 16, 2016
Filed:
Nov. 01, 2012
Applicant:
Adeka Corporation, Tokyo, JP;
Inventors:
Takayuki Taki, Tokyo, JP;
Hiroaki Watanabe, Tokyo, JP;
Atsuki Shibuya, Tokyo, JP;
Akiko Tasaki, Tokyo, JP;
Assignee:
ADEKA CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/0567 (2010.01); H01M 10/052 (2010.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0567 (2013.01); H01M 10/052 (2013.01); H01M 10/4235 (2013.01); H01M 2300/0025 (2013.01); Y02E 60/122 (2013.01);
Abstract
The invention provides a nonaqueous electrolyte for batteries and a nonaqueous secondary battery using the same which maintains small internal resistance and high electric capacity in high temperature storage. The nonaqueous electrolyte has an electrolyte salt, a compound of general formula (1), and a compound of general formula (2) dissolved in an organic solvent. The ratio of the compound of formula (2) to the sum of the compound of formula (1) and the compound of formula (2) is 0.1 to 8 mass %. In the formulae, R, R, R, and Reach independently represent C1-C8 alkyl.