배터리 관리 장치, 배터리 관리 방법 및 배터리 팩이 제공된다. 상기 배터리 관리 장치는, 제1 정전류로 배터리를 충전하여 취득된 제1 미분 용량 커브, 상기 제1 정전류로 상기 배터리를 방전하여 취득된 제2 미분 용량 커브, 제2 정전류로 배터리를 충전하여 취득된 제3 미분 용량 커브 및 상기 제2 정전류로 상기 배터리를 방전하여 취득된 제4 미분 용량 커브 각각의 특징점을 검출하고, 각 미분 용량 커브로부터 검출된 특징점의 전압값을 기초로 상기 배터리의 퇴화 정보를 결정한다.
Provided are a battery management apparatus, a battery management method and a battery pack. The battery management apparatus includes detects feature points of each of a first differential capacity curve acquired by charging the battery with a first constant current, a second differential capacity curve acquired by discharging the battery with the first constant current, a third differential capacity curve acquired by charging the battery with a second constant current and a fourth differential capacity curve acquired by discharging the battery with the second constant current, and determines degradation information of the battery based on voltage values of the feature points detected from each differential capacity curve.
BATTERY MANAGEMENT APPARATUS BATTERY MANAGEMENT METHOD BATTERY PACK AND ELECTRIC VEHICLE
배터리 관리 장치, 배터리 관리 방법, 배터리 팩 및 전기 차량
2025-02-10
Patent
Electronic Resource
Korean
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