Lithium -ion battery pack

The utility model discloses a lithium -ion battery pack, lithium -ion battery pack includes a plurality of lithium ion battery and liquid cooling structure, wherein, a plurality of lithium ion batteryare through establishing ties and/or parallel connection formation battery pack unit, a plurality of lithium ion battery's utmost point ear is established the both ends of battery pack unit's upper surface, with battery pack unit's upper surface inject go out place in installation region between a plurality of lithium ion battery's the utmost point ear, liquid cooling structure, install in the installation region, it is right to be used for battery pack unit cools down. It is direct to cooling off this lithium -ion battery pack high -temperature region, convenient right battery pack unit's heat pipe reason. 本实用新型公开种锂离子电池组，所述锂离子电池组包括多个锂离子电池及液冷结构，其中，所述多个锂离子电池通过串联和/或并联连接形成电池组单元，所述多个锂离子电池的极耳设在所述电池组单元的上表面的两端，以在所述电池组单元的上表面限定出位于所述多个锂离子电池的极耳之间的安装区域，所述液冷结构，安装于所述安装区域，用以对所述电池组单元进行降温。直接针对该锂离子电池组高温区进行冷却，方便对所述电池组单元的热管理。