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. 30, 2019
Filed:
Jun. 22, 2016
Sanyo Electric Co., Ltd., Daito-shi, Osaka, JP;
Keisuke Minami, Hyogo, JP;
Yukari Kuratomi, Hyogo, JP;
Masao Inoue, Hyogo, JP;
Toyoki Fujihara, Hyogo, JP;
Naoya Nakanishi, Hyogo, JP;
SANYO Electric Co., Ltd., Daito-shi, JP;
Abstract
A nonaqueous electrolyte secondary battery includes a prismatic housing having an opening and a sealing member sealing the opening. The prismatic housing contains a flat-wound electrode assembly and a nonaqueous electrolyte. The flat-wound electrode assembly includes a positive electrode and a negative electrode. The positive electrode includes a positive electrode substrate and a positive electrode active material mixture layer formed on the positive electrode substrate. The positive electrode active material mixture layer contains lithium carbonate and lithium phosphate. The nonaqueous electrolyte contains lithium fluorosulfonate.