NEGATIVE ELECTRODE SHEET AND BATTERY APPLYING SAME

NEGATIVE ELECTRODE SHEET AND BATTERY APPLYING SAME

A negative electrode sheet and a battery applying the same are provided. The negative electrode sheet includes a current collector and a negative electrode active coating disposed on two opposite surfaces of the current collector. The negative electrode active coating contains a negative electrode a...

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Hauptverfasser: LI, Kui, SHAN, Xuyi, LI, Xuerui, WANG, Zhimin, CHEN, Yanting
Format: Patent
Sprache:eng ; fre ; ger
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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 LI, Kui
SHAN, Xuyi
LI, Xuerui
WANG, Zhimin
CHEN, Yanting
description A negative electrode sheet and a battery applying the same are provided. The negative electrode sheet includes a current collector and a negative electrode active coating disposed on two opposite surfaces of the current collector. The negative electrode active coating contains a negative electrode active material, and the negative electrode active material includes graphite. The negative electrode sheet satisfies 0.0025≤ε∗ρ/PD≤0.0065, where ε is a porosity of the negative electrode sheet, ρ is a surface density of a single surface of the negative electrode sheet with a unit of g/cm2, and PD is a compacted density of the negative electrode sheet with a unit of g/cm3. The compacted density PD, the surface density ρ, and the electrode sheet porosity ε of the negative electrode sheet form specific correlation relationships among one another.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title NEGATIVE ELECTRODE SHEET AND BATTERY APPLYING SAME
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