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High safety anti-overcharging lithium ion battery positive electrode paste formula and production method of positive plate

A lithium-ion battery, safety performance technology, applied in the direction of battery electrodes, circuits, electrical components, etc., can solve the problems that restrict the development and industrialization of polymer lithium-ion batteries, high production costs, large equipment investment, etc., to meet the requirements of high safety performance, elimination of the risk of explosion, the effect of high safety performance

Inactive Publication Date: 2015-02-25
刘广源
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the shortcomings of this method such as cumbersome process, low efficiency, large equipment investment and high production cost, the development and industrialization of polymer lithium-ion batteries are seriously restricted.

Method used

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  • High safety anti-overcharging lithium ion battery positive electrode paste formula and production method of positive plate
  • High safety anti-overcharging lithium ion battery positive electrode paste formula and production method of positive plate

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Embodiment Construction

[0050] Since lithium cobalt oxide (LiCoO 2 ) has limitations in performance, poor stability, and is easy to decompose to generate gas and release heat, resulting in combustion or explosion. Therefore, it is necessary to develop a positive active material that can replace it, so as to reduce costs and improve battery performance.

[0051] The performance of a lithium-ion battery depends primarily on the structure and properties of the materials used inside the battery. These battery internal materials include positive electrode materials, negative electrode materials, electrolytes, separators, and the like. Among them, the selection and quality of positive and negative electrode materials directly determine the performance and price of lithium-ion batteries. Therefore, research on low-cost, high-performance positive and negative electrode materials has always been the focus of the development of the lithium-ion battery industry. To measure the quality of lithium-ion battery c...

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Abstract

The invention relates to a high safety anti-overcharging lithium ion battery positive electrode paste formula and a production method of a positive plate, and lithium manganate is contained in the formula and the production method, thus overcoming the limitations of cobalt acid lithium in performance in a traditional battery and playing a role in reducing cost and improving the performance of the battery.

Description

technical field [0001] The invention relates to a battery positive electrode slurry formula and a positive electrode sheet production method, in particular to a battery positive electrode slurry formula containing lithium manganate and a positive electrode sheet production method. Background technique [0002] As we all know, with the rapid development of the domestic mobile phone industry, the development of mobile phone batteries has also changed from the initial combination of cadmium-nickel and hydrogen-nickel to the current single lithium-ion secondary battery. The cost performance requirements for mobile phone batteries are getting higher and higher. The inevitable trend of industry development. As an integral part of mobile phones, lithium-ion secondary batteries are increasingly valued by mobile phone manufacturers and users for their safety performance, electrochemical performance and price. With the rapid popularization of mobile phones in China in recent years, l...

Claims

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Application Information

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IPC IPC(8): H01M4/1397
CPCH01M4/1391Y02E60/10
Inventor 刘进罗强刘广源
Owner 刘广源
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