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:
Jan. 30, 2024
Filed:
Mar. 10, 2022
Prime Planet Energy & Solutions, Inc., Tokyo, JP;
Akira Kohyama, Toyoake, JP;
Hideki Sano, Ikeda, JP;
Naoto Onodera, Kobe, JP;
Azusa Nakanishi, Toyota, JP;
Prime Planet Energy & Solutions, Inc., Tokyo, JP;
Abstract
Provided is a technique for suppressing the formation of black regions in a wound electrode body. The production method disclosed herein is a method for producing a non-aqueous electrolyte secondary battery that includes a wound electrode body, a non-aqueous electrolyte, and a battery case. This production method includes the following steps: an assembling step Sof placing the wound electrode body and the non-aqueous electrolyte in the battery case to construct a secondary battery assembly; a first step Sof performing initial charging on the secondary battery assembly; and a second step Sof setting the temperature of the wound electrode body to 50° C. or lower and keeping this state for at least 72 hours after the first step.