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Lithium battery titanium white

A lithium battery titanium dioxide, microscopic technology, applied in lithium batteries, circuits, negative electrodes, etc., can solve problems such as flatulence and failure to use normally

Active Publication Date: 2016-12-07
CHONGQING MINFENG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Lithium titanate battery is a kind of lithium battery. After about 1500-2000 cycles of charging and discharging, ordinary lithium titanate battery will have flatulence, which makes it unable to use normally; and the capacity is about 170 / 120Ah / Kg, open circuit The voltage is about 2.4V

Method used

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  • Lithium battery titanium white
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Examples

Experimental program
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Embodiment 1

[0017] This embodiment provides a lithium battery titanium dioxide, the specific surface area BET of the microscopic particles of lithium battery titanium dioxide is 15-35m 2 / g, grain size 60-90nm, D50 is 0.4-0.8um, D90 is 1.0-2.0um, K2O≤100ppm, Na2O≤100ppm, P2O5≤1000ppm, Fe2O3≤100ppm, the rest is TiO 2 . figure 1 and figure 2 All are scanning electron microscope pictures of lithium battery Taibai in Example 1 of the present invention.

[0018] Table 1

[0019]

[0020]

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PUM

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Abstract

The invention relates to a titanium compound, in particular to a lithium battery titanium white. The specific surface area BET of microscopic particles of the lithium battery titanium white is 15-35 m2 / g, the grain size is 60-90 nm, the D50 is 0.4-0.8 um, the D90 is 1.0-2.0 um; and the lithium battery titanium white comprises less than or equal to 100 ppm of K2O, less than or equal to 100 ppm of Na2O, less than or equal to 100 ppm of P2O5, less than or equal to 100 ppm of Fe2O3 and the balance of TiO2. The lithium battery titanium white provided by the invention is used as a lithium battery cathode material, and can remarkably prolong the service life of lithium batteries and enhance the application performance of the lithium batteries.

Description

technical field [0001] The invention relates to a titanium compound, in particular to a lithium battery titanium dioxide. Background technique [0002] "Lithium battery" is a type of battery that uses lithium metal or lithium alloy as the negative electrode material and uses a non-aqueous electrolyte solution. In 1912, the lithium metal battery was first proposed and studied by Gilbert N. Lewis. In the 1970s, M.S.Whittingham proposed and began to study lithium-ion batteries. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. Therefore, lithium batteries have not been used for a long time. With the development of science and technology, lithium batteries have become the mainstream now. [0003] Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium ion batteries. Li-ion batteries do not contain metallic lithium and are rechargea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/36H01M4/48H01M10/052
CPCH01M4/362H01M4/48H01M10/052H01M2004/021H01M2004/027Y02E60/10
Inventor 熊勇沈怀远李兵倪兴江
Owner CHONGQING MINFENG CHEM