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.

Date of Patent:
Sep. 25, 2018

Filed:

Nov. 26, 2013
Applicants:

Robert Bosch Gmbh, Stuttgart, DE;

Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Inventors:

Joachim Fetzer, Bad-Ditzenbach, DE;

Hans-Joerg Wolff, Schorndorf, DE;

Hans Partes, Asperg, DE;

Stefan Butzmann, SchalksmĂĽhle, DE;

Assignees:

Robert Bosch GmbH, Stuttgart, DE;

Samsung SDI Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); B60L 11/18 (2006.01); H01M 10/42 (2006.01); H01M 10/44 (2006.01); H01M 10/48 (2006.01); G01R 31/36 (2006.01); G01R 19/165 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0016 (2013.01); B60L 11/1853 (2013.01); B60L 11/1864 (2013.01); B60L 11/1866 (2013.01); H01M 10/425 (2013.01); H01M 10/441 (2013.01); H01M 10/482 (2013.01); H02J 7/0021 (2013.01); G01R 19/16542 (2013.01); G01R 31/3606 (2013.01); H01M 2010/4271 (2013.01); H01M 2220/20 (2013.01); Y02T 10/7005 (2013.01); Y02T 10/7061 (2013.01);
Abstract

The disclosure relates to a method for battery module balancing of a battery, which comprises at least one battery module string, wherein the at least one battery module string has a plurality of battery modules connected in series or parallel, wherein each battery module has a single or a plurality of battery cells connected in parallel or in series and a coupling unit which is designed to switch on and off the battery module, said method comprising the steps of: determining a battery module state of at least two battery modules; switching off individual battery modules having a low battery module state, wherein the low state is defined by a defined ratio to an initial state of the battery modules or by a result of a comparison of all detected battery module states.


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