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:
May. 01, 2018
Filed:
Nov. 06, 2014
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Yukiyoshi Ueno, Toyota, JP;
Junko Ohira, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;
Abstract
A method of producing a nonaqueous secondary battery includes: preparing an electrode body (S); constructing a battery assembly with the electrode body and a nonaqueous electrolyte (S); initially charging the battery assembly (S); aging the battery assembly at 40° C. or higher (S); adjusting an SOC of the battery assembly (S), wherein, the adjusting the SOC is performed such that a residual capacity percentage of the battery assembly is 11.5% or more and 14% or less; self-discharging the battery assembly and measuring a voltage drop amount (S); and determining a quality of the battery assembly based on the voltage drop amount (S).