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:
Mar. 15, 2005
Filed:
Oct. 22, 2001
Toshikazu Hamamoto, Yamaguchi, JP;
Koji Abe, Yamaguchi, JP;
Tsutomu Takai, Yamaguchi, JP;
Yasuo Matsumori, Yamaguchi, JP;
Akira Ueki, Yamaguchi, JP;
Toshikazu Hamamoto, Yamaguchi, JP;
Koji Abe, Yamaguchi, JP;
Tsutomu Takai, Yamaguchi, JP;
Yasuo Matsumori, Yamaguchi, JP;
Akira Ueki, Yamaguchi, JP;
Ube Industries, Ltd., Yamaguchi, JP;
Abstract
A discharge capacity retention of a non-aqueous secondary battery is enhanced by incorporating into its non-aqueous electrolytic solution a small amount of a substituted diphenyldisulfide derivative in which each of the diphenyl groups has a substituent such as alkoxy, alkenyloxy, alkynyloxy, cycloalkyloxy, aryloxy, acyloxy, alkanesulfonyloxy, arylsulfonyloxy, alkoxycarbonyloxy, aryloxycarbonyloxy, halogen, CF, CCl, or CBr. Preferably, a small amount of methyl 2-propylcarbonate, 2-propynyl methanesulfonate, 1,3-propanesultone, divinylsulfone, 1,4-butanediol dimethanesulfonate or cyclohexylbenzene is further incorporated.