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Heat dissipation structure of lithium ion battery

A lithium-ion battery and heat dissipation structure technology, which is applied to secondary batteries, circuits, electrical components, etc., can solve the problem of discounting the heat dissipation effect and achieve the effect of preventing poor contact

Pending Publication Date: 2020-05-19
NANTONG NAIWEITE POWER SUPPLY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when the surface of the battery body or the surface of the heat dissipation structure has a concave-convex surface, the heat dissipation effect will be greatly reduced.

Method used

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  • Heat dissipation structure of lithium ion battery
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Embodiment Construction

[0017] The technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0018] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred de...

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Abstract

The invention discloses a heat dissipation structure of a lithium ion battery. The structure is used for mounting a plate-shaped battery. The structure comprises a bottom plate and a top plate which are opposite to each other, and a rectangular cavity attached to a bottom surface and a top surface of the plate-shaped battery is formed between the bottom plate and the top plate; and elastic heat conductor layers are formed on the top surface of the bottom plate and the bottom surface of the top plate, a thickness of each elastic heat conductor layer is 3-8mm, heat dissipation structures are formed on the bottom surface of the bottom plate and the top surface of the top plate, and the plate-shaped battery is clamped and fixed between the bottom plate and the top plate through a clamping structure. In the invention, the elastic heat conductors are adopted to ensure fitness among the bottom plate, the top plate and the battery body, and a problem of a poor heat conduction effect caused bypoor contact due to uneven contact surfaces is prevented.

Description

technical field [0001] The present application relates to lithium batteries, in particular to a heat dissipation structure for lithium ion batteries. Background technique [0002] Lithium-ion secondary battery (referred to as lithium battery) has the characteristics of small size, light weight, high working voltage, high energy, long cycle life and low pollution. It is an ideal energy source for future development and has been applied in more and more fields. However, the lithium battery has severe heat generation during use. When the heat dissipation effect of the lithium battery shell is not ideal, the internal air pressure of the lithium battery is prone to rise. When the internal air pressure exceeds the critical point of explosion, the battery will explode, causing casualties. . Therefore, it is necessary to consider the heat dissipation of the lithium battery during use. [0003] Patent No. CN201320209741.1 discloses a lithium battery with a heat dissipation structur...

Claims

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Application Information

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IPC IPC(8): H01M10/613H01M10/647H01M10/653H01M10/6551H01M10/0525
CPCH01M10/613H01M10/647H01M10/653H01M10/6551H01M10/0525Y02E60/10
Inventor 金容升
Owner NANTONG NAIWEITE POWER SUPPLY CO LTD
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