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Lithium battery core capable of radiating heat by directly conducting heat from internal to external

A lithium battery, a direct technology, applied in the direction of secondary batteries, battery temperature control, non-aqueous electrolyte storage batteries, etc., can solve the problems of danger, explosion, etc., and achieve the effect of avoiding overheating

Inactive Publication Date: 2013-06-19
LOROM INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the electrolyte in it is flammable. When the temperature of the positive and negative active materials rises, they will decompose and release a large amount of heat. As a result, lithium batteries may be dangerous or even explode under improper use.

Method used

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  • Lithium battery core capable of radiating heat by directly conducting heat from internal to external
  • Lithium battery core capable of radiating heat by directly conducting heat from internal to external
  • Lithium battery core capable of radiating heat by directly conducting heat from internal to external

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Embodiment Construction

[0022] figure 1 It is the plane of the lithium battery core 10 that can conduct heat directly from the inside to the outside for heat dissipation in the present invention, figure 2 for its profile, image 3 The appearance of some of its components can be used to explain the technical content of the present invention, in which the directions of up, down, left and right are as follows figure 1 as a reference base. The lithium battery core 10 includes a packaging bag 12 , and a positive electrode 16 , a negative electrode 18 , a separator 20 separating the positive and negative electrodes, and an electrolyte (not shown) are accommodated in a core chamber 14 defined inside the packaging bag 12 . The sealed bag 12 is formed into a bag shape by heat-welding three-layer materials of the inner layer 12a, the middle layer 12b and the outer layer 12c. The three-layer material is generally made of polypropylene (PP), aluminum foil and nylon (Nylon), but it can also be Other suitable ...

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Abstract

The invention relates to a lithium battery core capable of radiating heat by directly conducting heat from internal to external. The lithium battery core comprises a packaging bag for accommodating a positive electrode, a negative electrode, a separator membrane for separating the positive electrode and the negative electrode, and an electrolyte solution. The packaging bag is also provided with at least one heat radiation fin; and at least one side of the heat radiation fin protrudes out of one side of the packaging bag. Heat produced from the positive electrode and the negative electrode is transmitted to the heat radiation fin through the electrolyte solution, so that efficiency reduction or damage caused by overheating of the lithium battery core can be prevented. Besides, the lithium battery core can be operated in cooperation with a fan or a cooling system, so that heat can be continuously removed from the heat radiation fin, and heat radiation efficiency is increased.

Description

technical field [0001] The invention relates to a lithium battery core, in particular to a lithium battery core which can directly conduct heat from the inside to the outside for heat dissipation. Background technique [0002] A generalized lithium-ion secondary battery (hereinafter referred to as a lithium battery) is mainly composed of a positive electrode, a negative electrode, a separator between the positive and negative electrodes, and an electrolyte. The separator separates the positive and negative electrodes from each other and does not touch each other. At the same time, the separator and the positive and negative electrodes have a lot of tiny pores, which allow the electrolyte to circulate between the positive and negative electrodes. [0003] Lithium batteries have the advantages of high energy density, high power density, large capacity and no memory effect. However, the electrolyte in it is flammable. When the temperature of the positive and negative active m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/50H01M10/058H01M10/613H01M10/65
CPCY02E60/10Y02P70/50
Inventor 王清风
Owner LOROM INDAL
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