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Lithium-ion battery electrolyte

A lithium-ion battery, electrolyte technology, applied in secondary batteries, circuits, electrical components, etc., can solve problems affecting the development and market prospects of lithium-ion batteries

Inactive Publication Date: 2013-09-11
郑玉林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cycle performance of current lithium-ion batteries still needs to be improved, which affects the development and market prospects of lithium-ion batteries

Method used

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Examples

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Embodiment Construction

[0008] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. 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.

[0009] The embodiment of the present invention discloses a lithium ion battery electrolyte, including cyclic carbonate, lithium salt and additives, the cyclic carbonate is polycarbonate, the lithium salt is lithium hexafluorophosphate and lithium perchlorate, the The additives are a film-forming additive and a flame-retardant additive, the mass ratio of the lithium hexafluorophosphate to the lithium perchlorate is 1:3.5-5.2, and the film-forming additive is butycycline.

[0010] In a preferred embodiment of the prese...

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PUM

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Abstract

The invention provides lithium-ion battery electrolyte. The lithium-ion battery electrolyte comprises annular carbonic ester, lithium salt and additives, wherein the annular carbonic ester is polycarbonate, the lithium salt is lithium Hexafluorophosphate and lithium perchlorate, the additives are a film forming additive and a flame-retarding additive, the mass ratio of the lithium Hexafluorophosphate to lithium perchlorate is 1: (3.5-5.2), and the film forming additive is naphthenic acid lactone. The lithium-ion battery electrolyte has high reversible specific capacity and good cycling charging-discharging performance.

Description

technical field [0001] The invention relates to a lithium ion battery electrolyte. Background technique [0002] Lithium-ion batteries have been widely used in many electronic products, because of their small size and no charge-discharge memory effect, they are widely welcomed by the market. However, the cycle performance of current lithium-ion batteries still needs to be improved, which affects the development and market prospects of lithium-ion batteries. Contents of the invention [0003] The technical problem mainly solved by the invention is that the cycle performance of the current lithium ion battery still needs to be improved. [0004] In order to solve the above technical problems, the embodiment of the present invention discloses a lithium ion battery electrolyte, including cyclic carbonate, lithium salt and additives, the cyclic carbonate is polycarbonate, the lithium salt is lithium hexafluorophosphate and peroxide Lithium chlorate, the additive is a film-for...

Claims

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Application Information

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IPC IPC(8): H01M10/056
CPCY02E60/10
Inventor 曾前兵
Owner 郑玉林