ELECTROLYTIC COPPER FOIL, CURRENT COLLECTOR, ELECTRODE, AND LITHIUM ION SECONDARY BATTERY COMPRISING ELECTROLYTIC COPPER FOIL
Provided are an electrodeposited copper foil, a current collector, an electrode, and a lithium-ion secondary battery comprising the same. The electrodeposited copper foil has a deposited side and a drum side opposite the deposited side. In a first aspect, ΔRS between the deposited side and the drum...
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| creator | CHOU, Jui-Chang HUANG, Huei-Fang LAI, Yao-Sheng LAI, Ting-Chun CHENG, Kuei-Sen |
| description | Provided are an electrodeposited copper foil, a current collector, an electrode, and a lithium-ion secondary battery comprising the same. The electrodeposited copper foil has a deposited side and a drum side opposite the deposited side. In a first aspect, ΔRS between the deposited side and the drum side is at most about 95 MPa, and the deposited side exhibits a Vv in a range from about 0.15 µm3/µm2 to about 1.35 µm3/µm2. In a second aspect, the deposited side has a Sku of about 1.5 to about 6.5 and the deposited side exhibits a Vv in a range from about 0.15 µm3/µm2 to about 1.35 µm3/µm2. The characteristics are beneficial to improve the quality of the electrodeposited copper foil, thereby extending the charge-discharge cycle life of a lithium-ion secondary battery comprising the same. |
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The electrodeposited copper foil has a deposited side and a drum side opposite the deposited side. In a first aspect, ΔRS between the deposited side and the drum side is at most about 95 MPa, and the deposited side exhibits a Vv in a range from about 0.15 µm3/µm2 to about 1.35 µm3/µm2. In a second aspect, the deposited side has a Sku of about 1.5 to about 6.5 and the deposited side exhibits a Vv in a range from about 0.15 µm3/µm2 to about 1.35 µm3/µm2. 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The electrodeposited copper foil has a deposited side and a drum side opposite the deposited side. In a first aspect, ΔRS between the deposited side and the drum side is at most about 95 MPa, and the deposited side exhibits a Vv in a range from about 0.15 µm3/µm2 to about 1.35 µm3/µm2. In a second aspect, the deposited side has a Sku of about 1.5 to about 6.5 and the deposited side exhibits a Vv in a range from about 0.15 µm3/µm2 to about 1.35 µm3/µm2. 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The electrodeposited copper foil has a deposited side and a drum side opposite the deposited side. In a first aspect, ΔRS between the deposited side and the drum side is at most about 95 MPa, and the deposited side exhibits a Vv in a range from about 0.15 µm3/µm2 to about 1.35 µm3/µm2. In a second aspect, the deposited side has a Sku of about 1.5 to about 6.5 and the deposited side exhibits a Vv in a range from about 0.15 µm3/µm2 to about 1.35 µm3/µm2. The characteristics are beneficial to improve the quality of the electrodeposited copper foil, thereby extending the charge-discharge cycle life of a lithium-ion secondary battery comprising the same.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; hun |
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| subjects | 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 | ELECTROLYTIC COPPER FOIL, CURRENT COLLECTOR, ELECTRODE, AND LITHIUM ION SECONDARY BATTERY COMPRISING ELECTROLYTIC COPPER FOIL |
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