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:
Jan. 30, 2018

Filed:

May. 21, 2014
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Joon Sang Ko, Daejeon, KR;

Sang Wook Kang, Daejeon, KR;

Jae Dong Chang, Daejeon, KR;

Do Hun Kim, Daejeon, KR;

Hyang Mok Lee, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 1/20 (2006.01); G01R 19/165 (2006.01); G01R 35/00 (2006.01); H02J 7/00 (2006.01); H01M 10/48 (2006.01); G01R 31/36 (2006.01);
U.S. Cl.
CPC ...
G01R 19/165 (2013.01); G01R 35/005 (2013.01); G01R 35/007 (2013.01); H01M 10/48 (2013.01); H02J 7/0042 (2013.01); H02J 7/0068 (2013.01); G01R 1/203 (2013.01); G01R 31/36 (2013.01); G01R 31/3631 (2013.01); H02J 7/0021 (2013.01);
Abstract

Disclosed herein is a detector that detects precision in charging current of a battery cell charging and discharging device, the detector including an instrument unit and a power supply unit, wherein the instrument unit includes a housing formed in a box shape open at a top thereof and a plurality of voltage measurement parts including a pair of connection terminals mounted at opposite sides of the housing inside the housing to detect precision in current of the charging and discharging device, the connection terminals being electrically connected to the power supply unit, and shunt resistance parts to apply uniform resistance to the respective connection terminals, and the power supply unit includes a charging and discharging device to supply current to the voltage measurement parts and to charge and discharge a battery cell and a multi-meter to measure current and voltage of the shunt resistance parts.


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