Coated lithium iron manganese phosphate positive electrode material as well as preparation method and application thereof

Coated lithium iron manganese phosphate positive electrode material as well as preparation method and application thereof

The invention relates to the technical field of lithium batteries, in particular to a coated lithium iron manganese phosphate positive electrode material as well as a preparation method and application thereof. The coated lithium manganese iron phosphate positive electrode material comprises a first...

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1. Verfasser: OU JINLIANG
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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description The invention relates to the technical field of lithium batteries, in particular to a coated lithium iron manganese phosphate positive electrode material as well as a preparation method and application thereof. The coated lithium manganese iron phosphate positive electrode material comprises a first lithium manganese iron phosphate material coating layer, a second lithium manganese iron phosphate material coating layer and a third lithium manganese iron phosphate material coating layer, the surface of the lithium manganese iron phosphate material is coated with the first coating layer, the first coating layer is made of carbon, and the carbon is derived from an organic matter; the second coating layer coats the surface of the first coating layer; the third coating layer coats the surface of the second coating layer; and the second coating layer and the third coating layer are respectively and independently made of magnesium and/or tellurium. The coated lithium iron manganese phosphate positive electrode mater
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Coated lithium iron manganese phosphate positive electrode material as well as preparation method and application thereof
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