Battery module, battery, power consumption device, and method and device for producing battery

Abstract

A battery module includes N battery cell columns and N−1 spacer plates. Each of the N battery cell columns includes a plurality of battery cells arranged in a first direction. The N battery cell columns are arranged in a second direction. N is an integer greater than 1, and the first direction being perpendicular to the second direction. A spacer plate extends in the first direction and is disposed between two adjacent battery cell columns of the N battery cell columns. The spacer plate is fixedly coupled to each battery cell in the two adjacent battery cell columns. An end part of the spacer plate in the first direction is provided with a fixing structure, and the fixing structure is configured to fix the spacer plate to a box body configured to accommodate the battery module.

What is claimed is: 
     
         1 . A battery module, comprising:
 N battery cell columns, each of the N battery cell columns comprising a plurality of battery cells arranged in a first direction, the N battery cell columns being arranged in a second direction, N being an integer greater than 1, and the first direction being perpendicular to the second direction; and   N−1 spacer plates, a spacer plate extending in the first direction and being disposed between two adjacent battery cell columns of the N battery cell columns, and the spacer plate being fixedly coupled to each battery cell in the two adjacent battery cell columns;   wherein an end part of the spacer plate in the first direction is provided with a fixing structure, and the fixing structure is configured to fix the spacer plate to a box body configured to accommodate the battery module.   
     
     
         2 . The battery module according to  claim 1 , wherein the fixing structure comprises a fixing plate, and the fixing plate is fixedly coupled to the end part of the spacer plate, and is fixedly coupled to a battery cell located at the end part of the spacer plate. 
     
     
         3 . The battery module according to  claim 2 , wherein the fixing plate comprises a connecting part extending in the first direction toward a direction away from the battery module, and the connecting part is configured to couple to a wall of the box body. 
     
     
         4 . The battery module according to  claim 3 , wherein:
 the connecting part is a first connecting part; and   the fixing plate further comprises a second connecting part extending in the first direction toward the direction away from the battery module, and the second connecting part is configured to couple to a connecting strip, wherein the connecting strip is configured to couple the battery module to another battery module in the box body.   
     
     
         5 . The battery module according to  claim 3 , wherein:
 the connecting part is a first connecting part; and   the fixing plate further comprises a second connecting part extending in the first direction toward the direction away from the battery module, and the second connecting part is configured to couple the fixing plate to the spacer plate.   
     
     
         6 . The battery module according to  claim 1 , wherein the end part of the spacer plate protrudes beyond the N battery cell columns in the first direction, and the fixing structure comprises a protrusion portion of the end portion of the spacer plate that protrudes beyond the N columns of battery cells in the first direction. 
     
     
         7 . The battery module according to  claim 6 , wherein the fixing structure further comprises an extending part, the extending part is fixedly coupled to the protrusion portion and extends in the second direction, and the extending part is configured to couple to a wall of the box body. 
     
     
         8 . The battery module according to  claim 7 , wherein:
 the extending part is a first extending part; and   the fixing structure further comprises a second extending part, the second extending part is fixedly coupled to the protrusion portion and extends in the second direction, and the second extending part is configured to couple to a connecting strip, wherein the connecting strip is configured to couple the battery module to another battery module in the box body.   
     
     
         9 . The battery module according to  claim 1 , further comprising:
 an attaching plate, the attaching plate extending in the first direction and being fixedly coupled to the spacer plate, and the attaching plate protruding from the spacer plate in the second direction and being attached to each battery cell in the two adjacent battery cell columns.   
     
     
         10 . The battery module according to  claim 9 , wherein the attaching plate is fixedly coupled to each battery cell in the two adjacent battery cell columns. 
     
     
         11 . The battery module according to  claim 9 , wherein the attaching plate protrudes beyond the N columns of battery cells in the first direction, and the fixing structure comprises a protrusion portion of the attaching plate that protrudes beyond the N battery cell columns in the first direction. 
     
     
         12 . The battery module according to  claim 9 , wherein the spacer plate and the attaching plate are integrally molded. 
     
     
         13 . The battery module according to  claim 1 , wherein N is 2. 
     
     
         14 . The battery module according to  claim 1 , wherein a battery cell is a cuboid battery cell, the cuboid battery cell comprises two opposite first side walls and two opposite second side walls, an area of a first side wall is larger than an area of a second side wall, and the spacer plate is fixedly coupled to one first side wall of the two first side walls. 
     
     
         15 . The battery module according to  claim 14 , wherein the spacer plate has a hole provided correspondingly to the one first side wall, and an area of the hole is smaller than an area of the one first side wall. 
     
     
         16 . The battery module according to  claim 1 , wherein a battery cell is a cylindrical battery cell, and the spacer plate is an S-shaped spacer plate adapted to a side face of the cylindrical battery cell. 
     
     
         17 . The battery module according to  claim 1 , wherein the spacer plate is a heat-insulated plate, a cooling plate, or a heating plate. 
     
     
         18 . A battery, comprising:
 a box body; and   a battery module accommodated in the box body and comprising:
 N battery cell columns, each of the N battery cell columns comprising a plurality of battery cells arranged in a first direction, the N battery cell columns being arranged in a second direction, N being an integer greater than 1, and the first direction being perpendicular to the second direction; and 
 N−1 spacer plates, a spacer plate extending in the first direction and being disposed between two adjacent battery cell columns of the N battery cell columns, and the spacer plate being fixedly coupled to each battery cell in the two adjacent battery cell columns; 
 wherein an end part of the spacer plate in the first direction is provided with a fixing structure, and the fixing structure is configured to fix the spacer plate to the box body. 
   
     
     
         19 . The battery according to  claim 18 ,
 wherein the battery module is one of a plurality of battery modules disposed on a bottom wall of the box body);   the battery further comprising:
 a connecting strip disposed on surfaces of the plurality of battery modules away from the bottom wall of the box body ( 11 ), extending in the second direction, and being fixedly coupled to the plurality of battery modules. 
   
     
     
         20 . A power consumption device, comprising:
 the battery according to  claim 18 , the battery being configured to provide electric energy.