Solid-state polymer electrolyte and high-load solid-state lithium ion battery thereof

Solid-state polymer electrolyte and high-load solid-state lithium ion battery thereof

The invention relates to a solid polymer electrolyte and a high-load solid lithium ion battery thereof, which are prepared by the following steps: (1) uniformly mixing a liquid organic monomer, a crosslinking monomer, a lithium salt, an additive and an initiator to form a precursor solution; (2) ass...

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Hauptverfasser: WANG ZHENGXIN, HAN WEICHEN, ZHENG JINGANG, SUN CHENGGUO, AN BAIGANG
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 WANG ZHENGXIN
HAN WEICHEN
ZHENG JINGANG
SUN CHENGGUO
AN BAIGANG
description The invention relates to a solid polymer electrolyte and a high-load solid lithium ion battery thereof, which are prepared by the following steps: (1) uniformly mixing a liquid organic monomer, a crosslinking monomer, a lithium salt, an additive and an initiator to form a precursor solution; (2) assembling the obtained precursor solution, a positive electrode, a diaphragm and a negative electrode into a battery; and (3) initiating polymerization of the battery assembled in the step (2) to form the lithium ion battery containing the solid electrolyte with the cross-linked structure. The solid electrolyte containing the cross-linked structure combines a rigid polymer chain segment and an elastic polymer chain segment, has the characteristic of strong elastic balance, and can effectively inhibit the growth of lithium dendrites. The room-temperature ionic conductivity is greater than 0.1 mS cm . Matching with commercial lithium iron phosphate and nickel-cobalt-manganese ternary positive electrode (10-80 mg c
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Solid-state polymer electrolyte and high-load solid-state lithium ion battery thereof
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