Secondary battery
First Claim
1. A secondary battery, comprising:
- a cap plate comprising a first electrode terminal;
an electrode assembly comprising a main body, a first electrode tab provided to the main body and a second electrode tab provided to the main body; and
a first connecting piece connected between the first electrode tab and the first electrode terminal;
whereinthe first electrode tab includes a first connecting portion and a first bending portion, the first connecting portion is provided below the first connecting piece, and the first bending portion connects the main body of the electrode assembly and the first connecting portion;
the secondary battery further comprises a first protecting piece fixed to a bottom of the first connecting portion;
the first protecting piece includes a main portion and a first curve portion, the first curve portion is connected with an outer end of the main portion in a width direction and is curved relative to the main portion;
the first bending portion is bent downwardly along a curved outer wall of the first curve portion;
the first protecting piece further includes a first folding portion folded back onto the main portion, and the first curve portion connects the main portion and the first folding portion, the first folding portion, the first curve portion and the main portion form a U-shaped structure;
the first protecting piece further includes a second curve portion and a second folding portion, the second curve portion is connected with an inner end of the main portion in the width direction and is curved relative to the main portion;
the second folding portion is folded back onto the main portion, and the second curve portion connects the main portion and the second folding portion;
the second folding portion, the second curve portion and the main portion form a U-shaped structure, the second folding portion and the first folding portion are positioned at a side of the main portion in an up-down direction.
1 Assignment
0 Petitions
Accused Products
Abstract
The present disclosure provides a secondary battery which comprises a cap plate, an electrode assembly and a first connecting piece. The cap plate comprises a first electrode terminal; the electrode assembly comprises a main body, a first electrode tab; the first connecting piece is connected between the first electrode tab and the first electrode terminal. The first electrode tab includes a first connecting portion provided below the first connecting piece and a first bending portion connecting the main body and the first connecting portion. The secondary battery further comprises a first protecting piece fixed to a bottom of the first connecting portion. The first protecting piece includes a main portion and a first curve portion connected with an outer end of the main portion and curved relative to the main portion; the first bending portion is bent downwardly along a curved outer wall of the first curve portion.
0 Citations
8 Claims
-
1. A secondary battery, comprising:
-
a cap plate comprising a first electrode terminal; an electrode assembly comprising a main body, a first electrode tab provided to the main body and a second electrode tab provided to the main body; and a first connecting piece connected between the first electrode tab and the first electrode terminal; wherein the first electrode tab includes a first connecting portion and a first bending portion, the first connecting portion is provided below the first connecting piece, and the first bending portion connects the main body of the electrode assembly and the first connecting portion; the secondary battery further comprises a first protecting piece fixed to a bottom of the first connecting portion; the first protecting piece includes a main portion and a first curve portion, the first curve portion is connected with an outer end of the main portion in a width direction and is curved relative to the main portion; the first bending portion is bent downwardly along a curved outer wall of the first curve portion; the first protecting piece further includes a first folding portion folded back onto the main portion, and the first curve portion connects the main portion and the first folding portion, the first folding portion, the first curve portion and the main portion form a U-shaped structure; the first protecting piece further includes a second curve portion and a second folding portion, the second curve portion is connected with an inner end of the main portion in the width direction and is curved relative to the main portion; the second folding portion is folded back onto the main portion, and the second curve portion connects the main portion and the second folding portion; the second folding portion, the second curve portion and the main portion form a U-shaped structure, the second folding portion and the first folding portion are positioned at a side of the main portion in an up-down direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
Specification