Title:
METHOD AND SYSTEM FOR DETECTING CONNECTION FAULT OF PARALLEL CONNECTION CELL
Document Type and Number:
WIPO Patent Application WO/2021/066393
Kind Code:
A1
Abstract:
The present invention relates to a method and a system for detecting a connection fault of a parallel connection cell, and, more particularly, to a method and a system for detecting a connection fault of a parallel connection cell, the method and the system providing improved accuracy for a battery being discharged through an operation of an external device by primarily detecting a cell connection fault through a CID operation of a corresponding battery or the opening of a parallel connection line, and finally confirming the primary detection result, through DCIR measurement, for the corresponding battery.
Inventors:
KIM JEONG WAN (KR)
Application Number:
PCT/KR2020/013013
Publication Date:
April 08, 2021
Filing Date:
September 24, 2020
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
G01R31/396; G01R31/367; G01R31/382; G01R31/389; G01R31/66; H01M10/42; H01M10/44; H01M10/48
Foreign References:
| KR20160092711A | 2016-08-05 | |||
| JP2011135657A | 2011-07-07 | |||
| JP2014006189A | 2014-01-16 | |||
| KR20160108963A | 2016-09-21 | |||
| KR101835373B1 | 2018-03-08 | |||
| KR20170064608A | 2017-06-12 |
Other References:
See also references of EP 3951411A4
Attorney, Agent or Firm:
LEE, Kangmin (KR)
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