Patent ID: 11936024
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 7:
8. A method for producing a battery pack, comprising:
providing a case, the case being configured to have a containing chamber; and
providing a battery module, the battery module being configured to be located in the containing chamber, the battery module comprising a plurality of battery units arranged in a horizontal direction, and each battery unit at least comprising one battery cell;
wherein a size of the battery module in the horizontal direction is larger than a size of the battery module in a vertical direction; and
the size of the battery module in the vertical direction is L1, and a size of the battery pack in the vertical direction is L2, wherein 70%≤L1/L2≤95%;
wherein the battery cell comprises an electrode assembly, a housing and a top cover assembly, the electrode assembly is housed in the housing, and the top cover assembly is connected to the housing; and
the housing comprises two first side walls and two second side walls, the first side walls face each other in the vertical direction, the second side walls face each other in the horizontal direction, and an area of the first side wall is larger than an area of the second side wall;
wherein the case comprises an upper case cover and a lower case arranged in the vertical direction, the upper case cover is connected to the lower case, and the containing chamber is formed between the upper case cover and the lower case; and
the battery module is fixed to the lower case;
wherein in the vertical direction, the battery module and the upper case cover are spaced by a certain distance, and the battery module and the lower case are spaced by a certain distance.