Back to results
US 11,894,510 B2Granted
Battery pack and vehicle
AssigneeContemporary Amperex Technology Co., Limited
InventorsKaijie You, Yongguang Wang, Yu Tang, Weilong Lin, Jun Ma
Life of this patent
Estimating the term…
Abstract
A battery pack and a vehicle, wherein the battery pack includes a box assembly, a battery unit, a constraint component and an outer cover, the box assembly includes a box body and a fixed beam, the fixed beam is fixed in the box body; the battery unit is arranged in the box body; the constraint component covers the battery unit and is fixed with the fixed beam; and the outer cover is arranged on one side of the constraint component away from the box body to seal an open end of the box body.
Claims18
A battery pack, comprising:
- a box assembly;
- and
- a plurality of battery units arranged in the box assembly, wherein the battery units are divided into a plurality of battery unit groups;
- wherein the box assembly comprises:
- a box body;
- and
- a plurality of fixed beams arranged in parallel in the box body, wherein one or more battery unit groups are placed between two fixed beams;
- a plurality of constraint components, wherein each constrain component covers the one or more battery unit groups placed between the two fixed beams, and is attached to the two fixed beams;
- and
- an outer cover attached to the box body, covering the constraint components;
- wherein each battery unit comprises:
- a shell;
- and
- an electrode assembly arranged in the shell;
- wherein the electrode assembly comprises a first pole piece, a second pole piece, and a diaphragm arranged between the first pole piece and the second ole piece;
- and
- wherein
- the electrode assembly is of a wound structure and is flat, the outer surface of the electrode assembly comprises two flat surfaces, and the two flat surfaces are oppositely arranged along a height direction of the battery pack;
- or
- the electrode assembly is of a laminated structure, and the first pole piece and the second pole piece are stacked along a height direction of the battery pack.
17 more elements
Dependencies are inferred from the claim text.