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1. WO2019114774 - BATTERY SYSTEM AND ELECTRIC VEHICLE

Publication Number WO/2019/114774
Publication Date 20.06.2019
International Application No. PCT/CN2018/120765
International Filing Date 13.12.2018
IPC
H01M 2/34 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2Constructional details, or processes of manufacture, of the non-active parts
20Current-conducting connections for cells
34with provision for preventing undesired use or discharge
CPC
H01M 10/44
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
44Methods for charging or discharging
H01M 10/443
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
44Methods for charging or discharging
443in response to temperature
H01M 10/445
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
44Methods for charging or discharging
445in response to gas pressure
H01M 2200/00
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2200Safety devices for primary or secondary batteries
H01M 2200/20
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2200Safety devices for primary or secondary batteries
20Pressure-sensitive devices
H01M 2220/20
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2220Batteries for particular applications
20Batteries in motive systems, e.g. vehicle, ship, plane
Applicants
  • 比亚迪股份有限公司 BYD COMPANY LIMITED [CN]/[CN]
Inventors
  • 鲁志佩 LU, Zhipei
  • 蒋露霞 JIANG, Luxia
Agents
  • 北京清亦华知识产权代理事务所(普通合伙) TSINGYIHUA INTELLECTUAL PROPERTY LLC
Priority Data
201711332873.213.12.2017CN
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) BATTERY SYSTEM AND ELECTRIC VEHICLE
(FR) SYSTEME DE BATTERIE ET VEHICULE ELECTRIQUE
(ZH) 电池系统及电动汽车
Abstract
(EN) A battery system and an electric vehicle. The battery system comprises at least one series circuit; the series circuit is provided with at least one first battery pack; the first battery pack comprises at least two first single cell batteries connected in parallel; a current interrupting device is provided on the first single cell battery; and the current interrupting device in the first single cell battery is used for disconnecting the internal current of the first single cell battery when an abnormality occurs in the first single cell battery.
(FR) La présente invention concerne un système de batterie et un véhicule électrique. Le système de batterie comprend au moins un circuit série ; le circuit série comprend au moins un premier bloc-batterie ; le premier bloc-batterie comprend au moins deux premières batteries à cellule unique connectées en parallèle ; un dispositif d'interruption de courant est disposé sur la première batterie à cellule unique ; et le dispositif d'interruption de courant dans la première batterie à cellule unique est utilisé pour déconnecter le courant interne de la première batterie à cellule unique lorsqu'une anomalie se produit dans la première batterie à cellule unique.
(ZH) 一种电池系统及电动汽车,电池系统包括至少一条串联回路,所述串联回路中设置有至少一个第一电池组,所述第一电池组包括至少2个并联的第一单体电池,在所述第一单体电池上设置有电流中断装置;所述第一单体电池中的电流中断装置用于,在所述第一单体电池发生异常时,断开所述第一单体电池的内部电流。
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