Battery and battery manufacturing method
AssigneeCALB Co., Ltd.
InventorsJiuling Xu, Yongjie Zhang, Lulu Zhang
Life of this patent
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Abstract
A battery and a battery manufacturing method are provided. The battery includes a battery casing, a cell, a first insulating film, and a second insulating film. The cell is disposed in the battery casing and includes a cell body and a tab portion, and the tab portion extends from a side surface of the cell body. The first insulating film covers at least a portion of the cell body. The second insulating film is independent from the first insulating film. The second insulating film covers an upper surface of the first insulating film and covers at least a portion of the tab portion, and the first insulating film is located between the cell body and the second insulating film.
Claims19
A battery, comprising:
- a battery casing;
- a cell, disposed in the battery casing and including a cell body and a tab portion, wherein the tab portion extends from a side surface of the cell body;
- a first insulating film, covering at least a portion of the cell body;
- and
- a second insulating film, independent from the first insulating film, wherein the second insulating film covers an upper surface of the first insulating film and covers at least a portion of the tab portion, and the first insulating film is located between the cell body and the second insulating film.
A battery manufacturing method, comprising:
- welding at least two single-piece tabs to form a tab portion extending from a side surface of a cell body;
- covering at least a portion of the cell body with a first insulating film;
- and
- covering the tab portion with a second insulating film and connecting the second insulating film to the first insulating film.
Dependencies are inferred from the claim text.