US 12,469,897 B2
Battery management apparatus
Young-Joong Kim, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 18/007,653
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Jul. 14, 2021, PCT No. PCT/KR2021/009069
§ 371(c)(1), (2) Date Dec. 1, 2022,
PCT Pub. No. WO2022/015065, PCT Pub. Date Jan. 20, 2022.
Claims priority of application No. 10-2020-0089136 (KR), filed on Jul. 17, 2020.
Prior Publication US 2023/0299377 A1, Sep. 21, 2023
Int. Cl. H02J 7/00 (2006.01); H01M 10/615 (2014.01); H01M 10/637 (2014.01)
CPC H01M 10/637 (2015.04) [H01M 10/615 (2015.04)] 12 Claims
OG exemplary drawing
 
1. A battery management apparatus, comprising:
a heating cell configured to be connected to a battery in parallel;
a first switch connected between the heating cell and a charging and discharging path for carrying a current for charging and discharging the battery, the first switch being configured to open and close a path between the charging and discharging path and the heating cell according to an operation state of the first switch;
a heating element connected to the heating cell in parallel and configured to increase a temperature of the battery by generating heat based on a current supplied from the heating cell;
a second switch connected between the heating element and the heating cell and configured to open and close a path connected between the heating element and the heating cell according to an operation state of the second switch; and
a heating controller connected to the charging and discharging path to receive a voltage of the battery as an input voltage, the heating controller being respectively connected to the first switch and the second switch and being configured to control the respective operation states of the first switch and the second switch according to the input voltage.