NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

A negative electrode for a lithium secondary battery and a method of manufacturing the negative electrode including a negative electrode current collector and a negative electrode mixture layer on at least one surface of the current collector. The negative electrode is manufactured by controlling a...

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Hauptverfasser: JUNG, Jea Bong, SEO, Sang Jin, JANG, Yeong Cheol, AHN, Chang Bum
Format: Patent
Sprache: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 JUNG, Jea Bong
SEO, Sang Jin
JANG, Yeong Cheol
AHN, Chang Bum
description A negative electrode for a lithium secondary battery and a method of manufacturing the negative electrode including a negative electrode current collector and a negative electrode mixture layer on at least one surface of the current collector. The negative electrode is manufactured by controlling a static water contact angle of a surface of a negative electrode current collector and an contact angle formed by an end portion of a negative electrode mixture layer and the negative electrode current collector, within a specific range by treating the surface of the negative electrode current collector with atmospheric pressure plasma. The adhesion between the negative electrode current collector and the negative electrode mixture layer may be improved, and the induction of a reversal of an N/P ratio between a positive electrode and a negative electrode in an electrode assembly and the occurrence of unrolling in the negative electrode mixture layer may be prevented.
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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 FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME
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