Battery housing, battery and electrical device
AssigneeBYD Company Limited
InventorsLiwei LIANG, Chenchong MA, Xiaoyong ZHANG, Shumin HU, Jinzhong OUYANG
Life of this patent
Estimating the term…
Abstract
A battery housing includes a housing body and a cover body. An accommodating cavity with an opening is formed on one side of the housing body along a third direction, and the cover body is configured to cover the opening. The cover body includes a body portion and an end portion, the end portion has a step structure and includes a step main portion and a first step wall, the step main portion includes a second step wall, the first step wall is connected between the second step wall and the body portion, the first step wall is formed with a liquid injection hole, and the second step wall is formed with a terminal post hole.
Claims20
A battery housing, comprising:
- a housing body, the housing body comprising a bottom plate and a side plate extending along a circumferential direction of the bottom plate, wherein a plurality of side plates are sequentially connected along the circumferential direction of the bottom plate, and an accommodating cavity with an opening is formed on one side of the housing body along a third direction;
- and
- a cover body, the cover body being configured to cover the opening, and an area of the cover body being larger than an area of the side plate,
- wherein the cover body comprises a body portion and an end portion, the end portion is connected to one side of the body portion along a first direction, the first direction and the third direction intersect, the body portion and a portion of the housing body constitute a main housing portion, the end portion and another portion of the housing body constitute a thinned portion, a dimension of at least a portion of the thinned portion in the third direction is smaller than a dimension of the main housing portion in the third direction, the end portion comprises a step main portion and a first step wall, the step main portion and the first step wall form a step structure, the step main portion comprises a second step wall, one end of the first step wall is connected to the body portion, the other end of the first step wall is connected to the second step wall, the first step wall extends along the third direction toward a direction adjacent to the housing body, the first step wall has an included angle with the body portion and has an included angle with the second step wall, the first step wall is formed with a liquid injection hole, and the second step wall is formed with a terminal post hole.
A battery, comprising:
- an electrode core;
- being disposed in the accommodating cavity, and a thickness direction of the electrode core being consistent with the third direction;
- and
- a terminal post assembly, the terminal post assembly being disposed in the terminal post hole and electrically connected to the electrode core.
Dependencies are inferred from the claim text.