Patent ID: 9653712
Date: 2017-05-16
CPC Classifications: B60L,H01M,Y02E,Y02P,Y02T

Claim:
1. A battery module comprising: a battery cell array comprising two or more stacked battery cells, each of which is configured to have a structure in which an electrode assembly, comprising a cathode, an anode, and a separator disposed between the cathode and the anode, is received in a battery case together with an electrolyte in a sealed state; and fixing members, each of which is integrally coupled to a circumference of one of the battery cells, each of the fixing members being provided with a stack assembly coupling structure, by which the fixing members are coupled to each other such that the battery cell array forms a stable stack structure, wherein the stack assembly coupling structure comprises a combination of a fastening member formed at one side of each of the fixing members and a fastening groove formed at the other side of each of the fixing members such that the fastening groove corresponds to the fastening member, wherein the fastening member faces an open face of the fastening groove in a stacking direction of the stacked battery cells, wherein the fastening member is formed at a top or a bottom of each of the fixing members, and the fastening groove is formed at the bottom or the top of each of the fixing members on a position corresponding to the fastening member, and wherein the fastening member is formed in the shape of a cylinder protruding from one side of each of the fixing members and comprises a hook tapered along an outer circumference of an upper end of the cylinder, and wherein the fastening groove is formed at the other side of each of the fixing members opposite to the fastening member in a cylindrically depressed shape and is provided at an inner circumference thereof with a catching protrusion, to which the hook of the fastening member is fastened.