Graphene lithium ion battery negative electrode composite material arranged in rotating magnetic field and preparation method of graphene lithium ion battery negative electrode composite material

Graphene lithium ion battery negative electrode composite material arranged in rotating magnetic field and preparation method of graphene lithium ion battery negative electrode composite material

The invention provides a rotating magnetic field arranged graphene lithium ion battery negative electrode composite material and a preparation method thereof. The material comprises graphene, a high polymer material and a conductive additive, the graphene accounts for 50-95% of the mass fraction of...

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Hauptverfasser: QIN CHENGZHEN, WANG QIAOZHEN, LIU LAICHEN, WANG ZHIMING, ZHONG HONG, LIN FENG, YAN HONGZHEN
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 QIN CHENGZHEN
WANG QIAOZHEN
LIU LAICHEN
WANG ZHIMING
ZHONG HONG
LIN FENG
YAN HONGZHEN
description The invention provides a rotating magnetic field arranged graphene lithium ion battery negative electrode composite material and a preparation method thereof. The material comprises graphene, a high polymer material and a conductive additive, the graphene accounts for 50-95% of the mass fraction of the composite material, and is orderly arranged in a manner of being perpendicular to a substrate mold under the action of a rotating magnetic field. According to the graphene lithium ion battery negative electrode composite material obtained by the invention, the two-dimensional graphene is arranged in order in a manner of being perpendicular to the substrate, and forms a rapid lithium ion transmission channel in the axial direction of an electrode when being used as a lithium ion battery, so that the distance between the graphene is increased, and the advantages of high specific surface area, high carrier mobility and high thermal conductivity of the graphene are fully exerted; compared with a common graphene neg
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Graphene lithium ion battery negative electrode composite material arranged in rotating magnetic field and preparation method of graphene lithium ion battery negative electrode composite material
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