Morgan, Lewis & Bockius LLP
Battery cap assembly, secondary battery and battery module
The present disclosure provides a battery cap assembly, a secondary battery and a battery module. The battery cap assembly comprises a cap plate, a first electrode terminal and a first sealing member. The cap plate includes a first terminal hole. The first electrode terminal includes a first protruding portion and a first base portion, a cross-sectional area of the first protruding portion is larger than a cross-sectional area of the first terminal hole. The first sealing member includes a first main portion, the first main portion includes a first through-hole. The first protruding portion is used for welding with a first connecting piece to form a welding portion, a projection of the welding portion is positioned in the first through-hole. The secondary battery comprises a case, the battery cap assembly and an electrode assembly. The battery module comprises the first connecting piece and the secondary batteries.
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
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Guowei Peng Jie Zhijun Taosheng
Li Wang Zhang Guo Zhu