Cationic disordered rock salt composite material as well as preparation method and application thereof

Cationic disordered rock salt composite material as well as preparation method and application thereof

The invention discloses a cation disordered rock salt composite material which is mainly composed of a lithium-rich rock salt phase compound A, a rock salt phase compound B and a small amount of layered phase compounds C. The chemical general formula of the rock salt phase compound A is Li < 1 +...

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Hauptverfasser: JIANG XIANGKANG, LI HONG, SHI DEKAI, DONG HONG, ZAN MINGWEI, YU XIQIAN, HONG YANSHUAI, HU JIN, JIAO SICHEN
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator JIANG XIANGKANG
LI HONG
SHI DEKAI
DONG HONG
ZAN MINGWEI
YU XIQIAN
HONG YANSHUAI
HU JIN
JIAO SICHEN
description The invention discloses a cation disordered rock salt composite material which is mainly composed of a lithium-rich rock salt phase compound A, a rock salt phase compound B and a small amount of layered phase compounds C. The chemical general formula of the rock salt phase compound A is Li < 1 + x > Mn < y > M < y > 'O < 2-z > F < z >, the chemical general formula of the rock salt phase compound B is LiMnO < 2-a > F < a >, and the chemical general formula of the layered phase compounds C is LiMnO < 2-b > F < b >. The invention also discloses two preparation methods for synthesizing the cation disordered rock salt composite material, namely a molten salt method and a solid-phase synthesis method, and a lithium ion battery taking the cation disordered rock salt composite material as a positive electrode material. The lithium-rich rock salt phase compound A, the manganese-based rock salt phase compound B and a small amount of the layered phase compound C in the cation disordered rock salt composite material are
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Cationic disordered rock salt composite material as well as preparation method and application thereof
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