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:
Feb. 13, 2018

Filed:

Jan. 23, 2015
Applicants:

Robert Bosch Gmbh, Stuttgart, DE;

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

Inventors:

Joachim Fetzer, Bad-Ditzenbach, DE;

Holger Fink, Stuttgart, DE;

Hans Partes, Asperg, DE;

Assignees:

Robert Bosch GmbH, Stuttgart, DE;

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/36 (2006.01); B60L 11/18 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
G01R 31/3658 (2013.01); B60L 11/1853 (2013.01); B60L 11/1855 (2013.01); B60L 11/1857 (2013.01); B60L 11/1859 (2013.01); B60L 11/1861 (2013.01); B60L 11/1866 (2013.01); G01R 31/3627 (2013.01); G01R 31/3634 (2013.01); G01R 31/3679 (2013.01); H02J 7/0024 (2013.01); H02J 7/0057 (2013.01); B60L 2210/42 (2013.01); B60Y 2200/91 (2013.01); B60Y 2200/92 (2013.01); B60Y 2400/112 (2013.01); G01R 31/3637 (2013.01);
Abstract

The disclosure describes a method for determining a coulombic efficiency of battery modules of a rechargeable battery using a circuit arrangement connected to the battery modules and that has a plurality of switching modules for selectively connecting every single one of the battery modules in a common current path or for alternatively isolating every single one of the battery modules from the common current path and from at least one power semiconductor element, which can be operated in linear mode, for regulating the current that flows through the current path. The switching modules are used to select at least one of the battery modules and to connect it in the current path while all other battery modules are isolated from the current path by the switching modules. The selected battery module is subjected to at least one discharge process and at least one charging process via the current path.


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