2 COPPER FOIL FOR CURRENT COLLECTOR OF LITHIUM SECONDARY BATTERY

The present invention provides electrodeposited copper foil with proper puncture strength to apply pressure during compression with a cathode activity material during production and withstand both expansion and contraction during repeated charging/discharging cycles if used in a rechargeable seconda...

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Main Authors CHENG KUEI SEN, CHOU JUI CHANG, HUANG HUEI FANG, LAI YAO SHENG
Format Patent
LanguageEnglish
Korean
Published 12.06.2019
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Abstract The present invention provides electrodeposited copper foil with proper puncture strength to apply pressure during compression with a cathode activity material during production and withstand both expansion and contraction during repeated charging/discharging cycles if used in a rechargeable secondary battery. The copper foil has specific use as a current collector in a rechargeable secondary battery, specifically, a high-capacity lithium secondary battery. The present invention also provides a manufacturing method of copper foil and a manufacturing method of a negative electrode to be used in a lithium secondary battery and a high-capacity lithium secondary battery. 생산 동안 음극 활성 물질과의 압착 동안의 압력 적용뿐만 아니라, 재충전 가능한 2차 배터리 (secondary battery)에 사용되는 경우 반복되는 충전/방전 사이클 동안의 팽창/수축 모두를 견디기에 적절한 천공 강도 (puncture strength)를 갖는 전착된 구리 호일 (electrodeposited copper foil)이 기재된다. 이러한 구리 호일은 재충전 가능한 2차 배터리, 특히 고 용량의 리튬 2차 배터리에서 전류 집전장치 (current collector)로서 특정한 유용성을 밝힌다. 구리 호일의 제조 방법, 리튬 2차 배터리 및 고 용량의 리튬 2차 배터리에 사용하기 위한 음극 (negative electrode)의 제조 방법이 또한 기재된다.
AbstractList The present invention provides electrodeposited copper foil with proper puncture strength to apply pressure during compression with a cathode activity material during production and withstand both expansion and contraction during repeated charging/discharging cycles if used in a rechargeable secondary battery. The copper foil has specific use as a current collector in a rechargeable secondary battery, specifically, a high-capacity lithium secondary battery. The present invention also provides a manufacturing method of copper foil and a manufacturing method of a negative electrode to be used in a lithium secondary battery and a high-capacity lithium secondary battery. 생산 동안 음극 활성 물질과의 압착 동안의 압력 적용뿐만 아니라, 재충전 가능한 2차 배터리 (secondary battery)에 사용되는 경우 반복되는 충전/방전 사이클 동안의 팽창/수축 모두를 견디기에 적절한 천공 강도 (puncture strength)를 갖는 전착된 구리 호일 (electrodeposited copper foil)이 기재된다. 이러한 구리 호일은 재충전 가능한 2차 배터리, 특히 고 용량의 리튬 2차 배터리에서 전류 집전장치 (current collector)로서 특정한 유용성을 밝힌다. 구리 호일의 제조 방법, 리튬 2차 배터리 및 고 용량의 리튬 2차 배터리에 사용하기 위한 음극 (negative electrode)의 제조 방법이 또한 기재된다.
Author HUANG HUEI FANG
LAI YAO SHENG
CHOU JUI CHANG
CHENG KUEI SEN
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Snippet The present invention provides electrodeposited copper foil with proper puncture strength to apply pressure during compression with a cathode activity material...
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SubjectTerms APPARATUS THEREFOR
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRICITY
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Title 2 COPPER FOIL FOR CURRENT COLLECTOR OF LITHIUM SECONDARY BATTERY
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