Battery, electric apparatus, and method and apparatus for manufacturing battery

Abstract

Embodiments provide a battery, an electric apparatus, a method for manufacturing battery, and an apparatus for manufacturing battery, so as to enhance stiffness and strength of the battery. The battery includes: a box; and at least one row of battery cells accommodated in the box, where the battery cell is a polyhedral structure and includes a first wall and a second wall connected to each other, the first wall being perpendicular to a first direction, the second wall being a wall with a largest area in the battery cell and oblique to the first direction, and the first direction being parallel to the direction of gravity. Each row of battery cells in the at least one row of battery cells are arranged along a second direction perpendicular to the first direction, and adjacent ones of the battery cells are attached to each other via the second wall.

1 . A battery, characterized by comprising:
 a box; and   at least one row of battery cells accommodated in the box, wherein the battery cell is a polyhedral structure and comprises a first wall and a second wall connected to each other, the first wall being perpendicular to a first direction, the second wall being a wall with a largest area in the battery cell and oblique to the first direction, and the first direction being parallel to a direction of gravity; wherein   each row of battery cells in the at least one row of battery cells are arranged along a second direction perpendicular to the first direction, and adjacent ones of the battery cells are attached to each other via the second wall.   
     
     
         2 . The battery according to  claim 1 , characterized in that the battery cell comprises two first walls parallel to each other and two second walls parallel to each other, and the battery cell has a parallelogram cross section on a plane perpendicular to the first walls and the second walls. 
     
     
         3 . The battery according to  claim 1 , characterized in that the battery cell comprises two first walls parallel to each other and two second walls unparallel to each other, and the battery cell has a trapezoid cross section on a plane perpendicular to the first walls and the second walls. 
     
     
         4 . The battery according to  claim 1 , characterized in that the first wall and the second wall extend along a length direction of the battery cell, and the length direction of the battery cell is perpendicular to the first direction and the second direction. 
     
     
         5 . The battery according to  claim 1 , characterized in that each row of battery cells are arranged sequentially along a thickness direction of the battery cells, wherein the thickness direction of the battery cells is parallel to the second direction. 
     
     
         6 . The battery according to  claim 1 , characterized in that the battery cell further comprises a third wall located at an end of the battery cell in the length direction and connected to the first wall and the second wall; and
 the battery cell further comprises an electrode terminal disposed on the third wall.   
     
     
         7 . The battery according to  claim 6 , characterized in that the battery cell further comprises a pressure relief mechanism disposed on the third wall or the first wall. 
     
     
         8 . The battery according to  claim 1 , characterized in that in the at least one row of battery cells, a plurality of battery cells in a same row are sequentially attached to each other via the second wall to form an entirety. 
     
     
         9 . The battery according to  claim 1 , characterized in that in the at least one row of battery cells, a first spacer is provided between a plurality of battery cells in the same row; and
 the first spacer has walls oblique to the first direction so as to be attached to the second walls of two battery cells adjacent thereto, wherein the first spacer is at least one of the following structures: a cross beam, a thermal management component, and a structural adhesive.   
     
     
         10 . The battery according to  claim 9 , characterized in that the first spacer has a parallelogram or trapezoid cross section on a plane perpendicular to the first walls and the second walls. 
     
     
         11 . The battery according to  claim 9 , characterized in that the first spacer is provided in a quantity of less than or equal to 5. 
     
     
         12 . The battery according to  claim 1 , characterized in that a second spacer is provided between two adjacent rows of battery cells, and the second spacer is at least one of the following structures: a cross beam, a thermal management component, and a structural adhesive. 
     
     
         13 . The battery according to  claim 1 , characterized in that the battery further comprises an end plate disposed at least at one end of the at least one row of battery cells in the second direction, wherein the end plate has a wall oblique to the first direction, and the oblique wall is configured to be attached to the second wall of the battery cell. 
     
     
         14 . The battery according to  claim 13 , characterized in that thickness of the end plate at an end facing a direction of gravity is greater than thickness of the end plate at an end facing away from the direction of gravity. 
     
     
         15 . The battery according to  claim 1 , characterized in that the battery further comprises thermal management components corresponding to walls other than the second walls of the at least one row of battery cells for thermal management of the at least one row of battery cells. 
     
     
         16 . The battery according to  claim 15 , characterized in that the thermal management component is disposed on a side of the at least one row of battery cells facing interior of an electric apparatus in which the at least one row of battery cells are located. 
     
     
         17 . The battery according to  claim 16 , characterized in that a pressure relief mechanism of the at least one row of battery cells is disposed on a side of the at least one row of battery cells facing away from the interior of the electric apparatus in which the at least one row of battery cells are located. 
     
     
         18 . An electric apparatus, characterized by comprising the battery according to  claim 1 , wherein the battery is configured to supply electric energy to the electric apparatus. 
     
     
         19 . A method for manufacturing battery, characterized by comprising:
 providing a box;   providing at least one row of battery cells, wherein the battery cell is a polyhedral structure and comprises a first wall and a second wall connected to each other, the first wall being perpendicular to a first direction, the second wall being a wall with a largest area in the battery cell and oblique to the first direction, and the first direction being parallel to a direction of gravity; wherein each row of battery cells in the at least one row of battery cells are arranged along a second direction perpendicular to the first direction, and adjacent ones of the battery cells are attached to each other via the second wall; and   accommodating the at least one row of battery cells in the box.   
     
     
         20 . An apparatus for manufacturing battery, characterized by comprising:
 a provision module, configured to:   provide a box; and   provide at least one row of battery cells, wherein the battery cell is a polyhedral structure and comprises a first wall and a second wall connected to each other, the first wall being perpendicular to a first direction, the second wall being a wall with a largest area in the battery cell and oblique to the first direction, and the first direction being parallel to a direction of gravity; wherein each row of battery cells in the at least one row of battery cells are arranged along a second direction perpendicular to the first direction, and adjacent ones of the battery cells are attached to each other via the second wall; and   a mounting module, configured to:   accommodate the at least one row of battery cells in the box.