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:
Apr. 15, 2014
Filed:
Feb. 23, 2011
Yuki Ogawa, Fukushima, JP;
Haruo Watanabe, Kanagawa, JP;
Fumihata Yamamoto, Fukushima, JP;
Masaki Machida, Fukushima, JP;
Yumiko Torimizu, Fukushima, JP;
Yuki Ogawa, Fukushima, JP;
Haruo Watanabe, Kanagawa, JP;
Fumihata Yamamoto, Fukushima, JP;
Masaki Machida, Fukushima, JP;
Yumiko Torimizu, Fukushima, JP;
Sony Corporation, Tokyo, JP;
Abstract
A nonaqueous electrolyte battery includes: a positive electrode having a positive electrode active material layer that includes a positive electrode active material, a binder, and a compound having a pyrrolidone skeleton; a negative electrode having a negative electrode active material layer; a nonaqueous electrolyte that includes a solvent and an electrolyte salt; and a polyacid and/or a polyacid compound contained inside the battery.