MULTI-ELEMENT CO-DOPED SODIUM-ION POSITIVE ELECTRODE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

MULTI-ELEMENT CO-DOPED SODIUM-ION POSITIVE ELECTRODE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Provided in the present invention is a multi-element co-doped sodium-ion positive electrode material, which is characterized in that the phase of the positive electrode material is an O3 phase, the space group thereof is R-3m, and the chemical formula thereof is NaαMaLibCucTidO2+β, wherein M is at l...

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Bibliographische Detailangaben
Hauptverfasser: LU, Peng, ZHUANG, Zhi, CHENG, Yue, WU, Huikang, CUI, Ruyu, DENG, Cheng, ZHENG, Tianrui, YUAN, Yuan
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:Provided in the present invention is a multi-element co-doped sodium-ion positive electrode material, which is characterized in that the phase of the positive electrode material is an O3 phase, the space group thereof is R-3m, and the chemical formula thereof is NaαMaLibCucTidO2+β, wherein M is at least one of Ni, Co, Mn, Cr, V, Al, Fe, B, Si, Mg and Zn, 0.5≤α≤1, -0.1≤β≤0.1, 0