High-voltage lithium ion battery with high volume energy density

High-voltage lithium ion battery with high volume energy density

The invention provides a high-voltage lithium ion battery with high volume energy density, and belongs to the technical field of lithium ion batteries. The lithium ion battery comprises a positive pole piece and a negative pole piece; the positive pole piece comprises a positive pole material and a...

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Hauptverfasser: GENG BIN, WU QIANG, HUANG YOUGUO, PENG JIMING, ZHANG XIAOHUI, LAI FEIYAN, LI QINGYU, LIANG QINQIN, WANG HONGQIANG, CUI LISAN
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 GENG BIN
WU QIANG
HUANG YOUGUO
PENG JIMING
ZHANG XIAOHUI
LAI FEIYAN
LI QINGYU
LIANG QINQIN
WANG HONGQIANG
CUI LISAN
description The invention provides a high-voltage lithium ion battery with high volume energy density, and belongs to the technical field of lithium ion batteries. The lithium ion battery comprises a positive pole piece and a negative pole piece; the positive pole piece comprises a positive pole material and a positive pole adhesive; the negative pole piece comprises a negative pole material; the positive pole material comprises lithium manganese ferric phosphate; the positive pole adhesive is PVDF (Polyvinylidene Fluoride); the negative pole material is a nano-carbon sheet/graphitized mesophase carbon microsphere composite material. According to the high-voltage lithium ion battery with the high volume energy density, LiFe1-xMnxPO4 serves as a high-voltage positive pole material; the rebounding rate of the thickness of the positive pole piece is reduced by the PVDF with low molecular weight serving as the positive pole adhesive; meanwhile, the nano-carbon sheet/graphitized mesophase carbon microsphere composite material
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title High-voltage lithium ion battery with high volume energy density
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