Power battery, top cover cathode structure and welding method of top cover cathode structure
A welding method and negative electrode technology, applied in the direction of battery cover/end cover, structural parts, welding equipment, etc., can solve the problems of hidden safety hazards of the top cover negative electrode structure and low production efficiency
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[0032] In order to facilitate the understanding of the present invention, the power battery, the top cover negative electrode structure and the welding method thereof will be more fully described below with reference to the relevant drawings. The preferred embodiment of the power battery, the negative electrode structure of the top cover and the welding method thereof are given in the drawings. However, the power battery, the top cover negative structure and the welding method thereof can be implemented in many different forms, and are not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the power battery, the top cover negative electrode structure and the welding method more thorough and comprehensive.
[0033] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or a central element may also exist. When an element i...
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