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:
Nov. 20, 2018
Filed:
Oct. 01, 2014
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Koji Takahata, Nisshin, JP;
TOYOTA JIDOSHA KABUSHlKI KAISHA, Toyota-shi, Aichi-ken, JP;
Abstract
A nonaqueous electrolyte secondary battery is provided with a wound electrode assembly (), a battery case () housing the wound electrode assembly (), and a nonaqueous electrolyte solution () contained in the battery case (). The nonaqueous electrolyte solution () includes an internal electrolyte solution and an external electrolyte solution. The internal electrolyte solution is contained in the interior of the wound electrode assembly (). The external electrolyte solution () is collected at the bottom of the battery case (). The viscosity of the internal electrolyte solution is greater than the viscosity of the external electrolyte solution ().