Power battery module and shell thereof

• Main Authors: ZHANG ZHIYUAN, HUANG WENXUE, HUANG JUN, LIU HAO, GAO LINGLEI, TONG BANG
• Format: Patent
• Language: Chinese; English
• Published: 08.06.2021
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The invention provides a power battery module and a shell thereof, the power battery module shell comprises: a shell body having an inner cavity, the inner cavity having an opening; the inner cavity is used for accommodating the battery unit; the battery unit comprises a plurality of battery cells which are sequentially overlapped in a first direction; the thickness direction of the battery cell is consistent with the first direction; one side of the battery cell in the thickness direction is provided with a first end face facing the opening; the liquid cooling structure is arranged on the shell body and covers the opening; one side, close to the battery unit, of the liquid cooling structure is provided with a first surface extending along a first direction; the first surface is in contact with the first end surface of each battery cell; the liquid cooling structure is internally provided with a liquid cooling flow channel used for containing cooling liquid; and the cooling liquid is used for cooling the firs