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. 15, 2019
Filed:
Oct. 21, 2013
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;
Inventor:
Takuichi Arai, Toyota, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/00 (2006.01); H01M 10/48 (2006.01); H01M 10/42 (2006.01); H01M 10/44 (2006.01); H02J 7/00 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 10/48 (2013.01); H01M 10/4257 (2013.01); H01M 10/441 (2013.01); H01M 10/482 (2013.01); H02J 7/0021 (2013.01); H02J 7/0026 (2013.01); H02J 7/0047 (2013.01); H01M 10/0525 (2013.01); H01M 2010/4271 (2013.01); H01M 2010/4278 (2013.01); H01M 2220/20 (2013.01); H02J 7/0011 (2013.01); H02J 2007/005 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7055 (2013.01);
Abstract
A proposed cell systemhas a simple second cell unit(for instance, a unit cell (second cell)) electrically connected in series to a first cell unit(battery pack) that constitutes a main power source. The state of charge (SOC) of the first cell unitis detected on the basis of a mixed voltage (V) of first cellsincluded in the first cell unitand the second cell