| 摘要 |
The invention relates to a lithium ion battery, which comprises a positive terminal (61), a negative terminal (62), a rectangle can (1) having open, and a cover (2) matching with the can. The positive terminal (61) and the negative terminal (62) are fixed on the cover (2), which is fixed on the can (1). The lithium ion battery also comprises a cell assembly (3), a positive lead (51), a negative lead (52), a cell bracket (4) and at least three support cushions (72); the cell assembly (3) comprising four lithium ion cells in series is installed on the cell bracket (4), wherein the support cushion (72) is arranged between two adjacent lithium ion cells, a positive electrode (31) and a negative electrode (32) are arranged in the cell assembly (3); one end of the positive lead (51) is fixed on the positive terminal (61), the other end of the positive lead (51) is fixed on the positive electrode (31) of the cell assembly (3); one end of the negative lead (52) is fixed on the negative terminal (62), the other end of the negative lead (52) is fixed on the negative electrode (32) of the cell assembly (3); and the cell bracket (4) is installed in the can (1). |
