Lithium secondary battery, secondary battery module, and secondary battery pack
The present invention relates to a lithium secondary battery comprising: a first cell comprising a first negative electrode, the first negative electrode comprising a (1-1) th negative electrode mixture layer and a (1-2) th negative electrode mixture layer on the (1-1) th negative electrode mixture...
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| creator | JUNG DA-BIN KIM HYO-MI FANG XIANGREN JANG HWAN-HO HAN JUN-HEE KIM MOON-SUNG RYU SANG BAEK YUK SEUNG-HYUN PARK DA HYE |
| description | The present invention relates to a lithium secondary battery comprising: a first cell comprising a first negative electrode, the first negative electrode comprising a (1-1) th negative electrode mixture layer and a (1-2) th negative electrode mixture layer on the (1-1) th negative electrode mixture layer, and a second cell comprising a second negative electrode mixture layer on the (1-2) th negative electrode mixture layer on the (1-2) th negative electrode mixture layer; and a second monomer cell comprising a second negative electrode, the second negative electrode comprising a (2-1) th negative electrode mixture layer and a (2-2) th negative electrode mixture layer on the (2-1) th negative electrode mixture layer, the weight ratio of the silicon-based active material in the (1-2) th negative electrode mixture layer is greater than the weight ratio of the silicon-based active material in the (1-1) th negative electrode mixture layer, and the weight ratio of the silicon-based active material in the (2-2) th n |
| format | Patent |
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PARK DA HYE</creatorcontrib><description>The present invention relates to a lithium secondary battery comprising: a first cell comprising a first negative electrode, the first negative electrode comprising a (1-1) th negative electrode mixture layer and a (1-2) th negative electrode mixture layer on the (1-1) th negative electrode mixture layer, and a second cell comprising a second negative electrode mixture layer on the (1-2) th negative electrode mixture layer on the (1-2) th negative electrode mixture layer; and a second monomer cell comprising a second negative electrode, the second negative electrode comprising a (2-1) th negative electrode mixture layer and a (2-2) th negative electrode mixture layer on the (2-1) th negative electrode mixture layer, the weight ratio of the silicon-based active material in the (1-2) th negative electrode mixture layer is greater than the weight ratio of the silicon-based active material in the (1-1) th negative electrode mixture layer, and the weight ratio of the silicon-based active material in the (2-2) th n</description><language>chi ; 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and a second monomer cell comprising a second negative electrode, the second negative electrode comprising a (2-1) th negative electrode mixture layer and a (2-2) th negative electrode mixture layer on the (2-1) th negative electrode mixture layer, the weight ratio of the silicon-based active material in the (1-2) th negative electrode mixture layer is greater than the weight ratio of the silicon-based active material in the (1-1) th negative electrode mixture layer, and the weight ratio of the silicon-based active material in the (2-2) th n</abstract><oa>free_for_read</oa></addata></record> |
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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 secondary battery, secondary battery module, and secondary battery pack |
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