Sodium-ion battery positive electrode material as well as preparation method and application thereof
The invention provides a sodium ion battery positive electrode material and a preparation method and application thereof, the surface of the sodium ion battery positive electrode material is coated with a TM sodium compound, the chemical general formula of the sodium ion battery positive electrode m...
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| creator | GAO PENGKUN YIN HAOXI LYU ZHENGUO ZHANG YALI |
| description | The invention provides a sodium ion battery positive electrode material and a preparation method and application thereof, the surface of the sodium ion battery positive electrode material is coated with a TM sodium compound, the chemical general formula of the sodium ion battery positive electrode material is Na < 0.67 > Ni < x > Mn < y > Fe < z > TMaO2, x is greater than or equal to 0 and less than 0.5, y is greater than 0.5 and less than 1, z is greater than or equal to 0 and less than 0.5, a is greater than 0 and less than 0.1, x + y + z = 1, and TM comprises any one or a combination of at least two of Ta, Nb and W. According to the sodium-ion battery positive electrode material disclosed by the invention, the high-period metal elements are doped and the fast ion conductor is coated, so that the cycle performance and the rate capability of the sodium-ion battery positive electrode material are greatly improved while the structural stability of the material is improved.
本发明提供一种钠离子电池正极材料及其制备方法与应用，所述钠离子电池正极材料 |
| format | Patent |
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本发明提供一种钠离子电池正极材料及其制备方法与应用，所述钠离子电池正极材料</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
| title | Sodium-ion battery positive electrode material as well as preparation method and application thereof |
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