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Composite pole column, top cover and battery

A pole and top cover technology, which is applied to battery pack components, circuits, electrical components, etc., can solve problems such as high processing costs, virtual welding, and affecting the quality and safety performance of power batteries

Pending Publication Date: 2021-11-09
JIANGSU ZENIO NEW ENERGY BATTERY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the prior art, the composite poles connected by friction welding have high processing costs and are prone to false welding during the welding process, which affects the quality and safety performance of the power battery

Method used

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  • Composite pole column, top cover and battery
  • Composite pole column, top cover and battery
  • Composite pole column, top cover and battery

Examples

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Embodiment Construction

[0039] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0040] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The invention discloses a composite pole column, a top cover and a battery, and relates to the technical field of batteries. The composite pole column comprises an inner pole column and an outer pole column, wherein the inner pole column is provided with a first matching part, the outer polecolumn is provided with a second matching part matched with the first matching part, one of the first matching part and the second matching part is a concave groove, the other one of the first matching part and the second matching part is a protrusion, and when the first matching part is matched with the second matching part, the circumferential edge of the protrusion is attached to the circumferential edge of the groove inner wall of the concave groove, and the end face of the protrusion is attached to the groove bottom of the concave groove. According to the invention, the pole column does not need to be connected in a welding mode, pseudo soldering does not exist, only the concave groove and the protrusion need to be matched in a stamping mode and the like, and the pole has the advantages of being simple in matching mode, reliable and low in cost; and the concave groove and the protrusion can form a tightly attached composite structure, and the rigidity, the conductivity and the air tightness of the pole column can be ensured, so that the quality, the use performance and the safety performance of the pole column are ensured.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a composite pole, a top cover and a battery. Background technique [0002] In the field of lithium-ion power battery technology, the pole is a part that connects the inside and outside of the battery. One end of the pole is connected to the battery inside the battery, and the other end is connected to the circuit of the electrical equipment outside the battery, so that the battery can be used for external use. Electric equipment can be powered, and it can also realize its own charging. At the same time, since the negative electrode pole of the battery is usually made of copper material, and copper material is more expensive, in order to save costs, the part connecting the inside of the pole pole with the battery cell is usually kept as the original copper material, so as to ensure the safety of the battery. In terms of performance, the part connecting the exterior of the pole ...

Claims

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Application Information

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IPC IPC(8): H01M50/15H01M50/176H01M50/188H01M50/528
CPCH01M50/15H01M50/176H01M50/188H01M50/528Y02E60/10
Inventor 陈圣立邹武元姜斌吴志康周贤
Owner JIANGSU ZENIO NEW ENERGY BATTERY TECH CO LTD
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