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:
Feb. 17, 2015
Filed:
Dec. 13, 2012
Applicant:
O2micro Inc., Santa Clara, CA (US);
Inventors:
Guoxing Li, Sunnyvale, CA (US);
Wei Zhang, Shanghai, CN;
Songtao Chen, Shenzhen, CN;
Chutao Zhang, Shenzhen, CN;
Assignee:
O2Micro, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); H01M 10/42 (2006.01); H01M 10/48 (2006.01);
U.S. Cl.
CPC ...
H02J 7/00 (2013.01); H01M 10/42 (2013.01); H01M 10/4207 (2013.01); H01M 10/482 (2013.01); H02J 7/0016 (2013.01); Y02T 10/7055 (2013.01);
Abstract
A method for balancing multiple battery cells which are grouped into multiple battery modules includes: obtaining cell parameters of the battery cells, respectively; calculating an average cell parameter for each of the battery modules according to the cell parameters; identifying a donator module and a receiver module from the battery modules based upon the average cell parameter; and transferring energy from the donator module to the receiver module to balance the battery cells.