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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2019/107979
Kind Code:
A battery pack is disclosed. A battery pack according to an embodiment of the present invention comprises: a first battery contactor and a second battery contactor each of which has one end electrically connected to a positive electrode terminal and a negative electrode terminal of a battery, respectively; a first charging contactor and a second charging contactor each of which has one end electrically connected to the other end of the first battery contactor and the other end of the second battery contactor, respectively; a first power connector which is connected to a second power connector of a charger having a first output terminal and a second output terminal; and a control unit which, if the second power connector is connected to the first power connector and a charging voltage is not applied between the first output terminal and the second output terminal from the power source of the charger, is for controlling the first charging contactor and/or the second charging contactor to be in a turn-on state or a turn-off state and diagnosing whether or not the first charging contactor or the second charging contactor is malfunctioning.

HAM, Sang-Hyeok (LG Chem Research Park, 188 Munji-ro,,Yuseong-gu, Daejeon, 34122, KR)
Application Number:
Publication Date:
June 06, 2019
Filing Date:
November 29, 2018
Export Citation:
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LG CHEM, LTD. (128 Yeoui-daero, Yeongdeungpo-gu, Seoul, 07336, KR)
International Classes:
H01M10/42; G01R31/327; H01M2/10; H01M10/46; H01M10/48
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (3F. 36, Seochojungang-ro,Seocho-gu, Seoul, 06643, KR)
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Previous Patent: BATTERY PACK