The invention relates to a battery module, a power battery pack and a vehicle. The battery module comprises a module end cover, a plurality of monomer batteries and a monomer protective cover, whereina plurality of gas exhaust holes are formed in the module end cover, the monomer exhaust holes and explosion-proof valves on the monomer batteries are oppositely arranged and are in one-to-one correspondence, a gas guide cylinder is formed on the monomer protective cover and comprises a cylinder body, a first port and a second port, the periphery of the first port surrounds the explosion-proof valve, the periphery of the second port surrounds the gas exhaust hole, and gas exhausted by the explosion-proof valve sequentially passes through the first port, the cylinder body and the second port and then reaches the gas exhaust hole. According to the invention, each monomer battery in the battery module is provided with an independent gas exhaust channel, so that heat diffusion can be avoided,thermal runaway cannot be transferred to other single batteries, and the gas exhaust path of the gas exhaust channel is shortened, so that gas cannot be retained in the battery module and can be quickly exhausted while other parts in the battery module cannot be damaged.
本公开涉及一种电池模组、动力电池包和车辆,该电池模组包括模组端盖、若干单体电池和单体保护盖,所述模组端盖上设置有若干排气孔,所述排气孔与单体电池上的防爆阀相对设置且一一对应,单体保护盖上形成有导气筒,该导气筒包括筒体、第一端口和第二端口,第一端口的外周包围防爆阀,第二端口的外周包围排气孔,防爆阀排出的气体依次经第一端口、筒体和第二端口后到达排气孔。该电池模组内的每个单体电池具有独立的排气通道,能够避免热扩散,不会将热失控传递至其他单体电池,并且缩短了排气通道的排气路径,使得气体不会滞留在电池模组内部,能够快速排出,同时也不会损伤电池模组内的其他零部件。
Battery module, power battery pack and vehicle
电池模组、动力电池包和车辆
2020-09-15
Patent
Electronic Resource
Chinese
IPC: | H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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