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:
Oct. 22, 2024
Filed:
Oct. 11, 2019
Applicant:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Inventors:
Yukio Miyaki, Kyoto, JP;
Sho Takahashi, Kyoto, JP;
Takahisa Ishimatsu, Kyoto, JP;
Takahiro Shirai, Kyoto, JP;
Takamasa Ono, Kyoto, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); B60L 50/60 (2019.01); B60L 53/62 (2019.01); B60L 58/12 (2019.01); H01M 10/44 (2006.01); H01M 10/48 (2006.01); B60K 6/28 (2007.10);
U.S. Cl.
CPC ...
H02J 7/0048 (2020.01); B60L 50/60 (2019.02); B60L 53/62 (2019.02); B60L 58/12 (2019.02); H01M 10/44 (2013.01); H01M 10/48 (2013.01); H02J 7/007 (2013.01); H02J 7/0071 (2020.01); H02J 7/00712 (2020.01); H02J 7/007182 (2020.01); H02J 7/007184 (2020.01); B60K 6/28 (2013.01); B60Y 2200/91 (2013.01); B60Y 2200/92 (2013.01); B60Y 2300/91 (2013.01); B60Y 2400/112 (2013.01);
Abstract
A charging device is provided. The charging device switches to a (n+1)-th charging rate from a n-th charging rate when constant current charging is performed on a secondary battery at the n-th charging rate, at an SOC smaller than an SOC at which a voltage local minimum value appears when an experimental battery is charged at the n-th charging rate. The (n+1)-th charging rate is lower than the n-th charging rate, and n is a natural number.