Title:
BATTERY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/262818
Kind Code:
A1
Abstract:
This battery system comprises: a first sub relay which is connected to a first contact connected between at least two battery cell modules, and a second contact between a first output end and a first main relay; and a second sub relay which is connected to the first contact and a third contact between a second output end and a second main relay. When there is a defect in a first battery cell of a first battery cell module positioned on one side of the first contact, the first sub relay is turned on while the first main relay is in a closed state, and then the first main relay is turned off after a first delay period. When there is a defect in a second battery cell of a second battery cell module positioned on the other side of the first contact, the second sub relay is turned on while the second main relay is in a closed state, and then the second main relay is turned off after a second delay period.
Inventors:
CHOI JIN HWEE (KR)
Application Number:
PCT/KR2020/006007
Publication Date:
December 30, 2020
Filing Date:
May 07, 2020
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B60L3/00; B60L58/19; G01R31/382; H02J7/00
Domestic Patent References:
| WO1999050946A1 | 1999-10-07 |
Foreign References:
| KR20140052327A | 2014-05-07 | |||
| KR20100059685A | 2010-06-04 | |||
| JP2008516574A | 2008-05-15 | |||
| KR20140091109A | 2014-07-21 | |||
| KR20190075937A | 2019-07-01 |
Other References:
See also references of EP 3929022A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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