Lithium titanate modified material and preparation method thereof
The invention discloses a lithium titanate modified material, and belongs to the technical field of electrochemistry. The modified material has a micro-nano structure and comprises lithium titanate LTO, zinc titanate ZFO and nitrogen-doped carbon nanotube NCNTs. The preparation technology is simple;...
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| creator | Lyu Jinzhao Wang Ying Xue Jiayu Cheng Haoran Li Jinpan Zhang Huan Zhao Chenglong |
| description | The invention discloses a lithium titanate modified material, and belongs to the technical field of electrochemistry. The modified material has a micro-nano structure and comprises lithium titanate LTO, zinc titanate ZFO and nitrogen-doped carbon nanotube NCNTs. The preparation technology is simple; the conditions are mild; the cost is low; the repeatability is good; large-scale preparation is facilitated; the synthesized composite material are small in powder particles and uniform in distribution; and the problems of low electronic conductivity and low energy density when the lithium titanate is individually used as a negative electrode material of a lithium-ion battery are solved. The material has relatively high initial discharge capacity and cycling specific capacity and good rate capability and cycling stability in an electrochemical test. Compared with existing commercially applied lithium titanate, the material has the advantages that the energy density can be improved by 20%-40%; and the material is a |
| format | Patent |
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The modified material has a micro-nano structure and comprises lithium titanate LTO, zinc titanate ZFO and nitrogen-doped carbon nanotube NCNTs. The preparation technology is simple; the conditions are mild; the cost is low; the repeatability is good; large-scale preparation is facilitated; the synthesized composite material are small in powder particles and uniform in distribution; and the problems of low electronic conductivity and low energy density when the lithium titanate is individually used as a negative electrode material of a lithium-ion battery are solved. The material has relatively high initial discharge capacity and cycling specific capacity and good rate capability and cycling stability in an electrochemical test. 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| subjects | BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
| title | Lithium titanate modified material and preparation method thereof |
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