Composite end plate and battery module

A battery module, comprising two composite end plates and a plurality of batteries arranged between the two composite end plates, wherein the composite end plate comprises:

• a base plate comprising a first surface and a second surface disposed opposite to each other, wherein the base plate is arranged such that the first surface faces a battery;
• and
• a rigid insert, wherein the rigid insert and the base plate are made of different materials, the rigid insert is made of metal material, the rigid insert is entirely arranged at a bottom portion of the base plate, and at least a part of the rigid insert is arranged at the second surface and extends in a length direction of the second surface,
• the rigid insert comprises a first connecting plate and a second connecting plate intersecting with each other, the rigid insert is directly connected to the base plate through at least the first connecting plate, and the second connecting plate is arranged at the second surface and extends in the length direction,
• the bottom portion of the base plate comprises a first receiving groove and a second receiving groove communicating with each other, the first connecting plate is inserted into the first receiving groove such that the rigid insert is fixed to the base plate, and the second connecting plate is accommodated in the second receiving groove,
• a pulling component, which comprises a first connecting segment and a second connecting segment disposed opposite to each other and an intermediate segment for connecting the first connecting segment and the second connecting segment, wherein the first connecting segment and the second connecting segment are fixedly connected to the rigid inserts of the two composite end plates respectively.