Lithium ion battery and electric equipment

Lithium ion battery and electric equipment

The invention discloses a lithium ion battery and electric equipment. The lithium ion battery comprises a positive electrode and a negative electrode, the negative electrode comprises a negative electrode current collector and at least one negative electrode active material layer, the negative elect...

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Hauptverfasser: MAO MIN, LUO CAIHUI, TAN CHAOPU, ZHANG WEI, JIN JING
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 MAO MIN
LUO CAIHUI
TAN CHAOPU
ZHANG WEI
JIN JING
description The invention discloses a lithium ion battery and electric equipment. The lithium ion battery comprises a positive electrode and a negative electrode, the negative electrode comprises a negative electrode current collector and at least one negative electrode active material layer, the negative electrode active material layer is coated on one side or two sides of the negative electrode current collector, and the total thickness of the negative electrode active material layer on one side of the negative electrode current collector is d [mu] m; the ionic conductivity of the electrolyte is C mS/cm, the viscosity of the electrolyte is delta mPa.s, and the following relational expression is met: d/(C * delta) is greater than or equal to 3 and less than or equal to 6. By matching the electrolyte with different ionic conductivities and viscosities, the infiltration of the electrolyte on the pole piece can be effectively improved, and the cycle performance at a wide temperature range is improved. 本发明公开了一种锂离子电池和用电设备，锂离
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Lithium ion battery and electric equipment
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