NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME

Disclosed is a negative electrode for a rechargeable lithium battery, including a negative current collector, a negative active material layer, and a negative functional layer which are sequentially laminated, the negative active material layer including a negative active material including a crysta...

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Bibliographic Details
Main Authors Kim, Kijun, Lee, Kyuseo, Nam, Junghyun, Ha, Jaehwan, Kim, Beom Kwon, Lee, Dongmyung, Yoo, Heeeun, Yoon, Yeonhee
Format Patent
LanguageEnglish
French
German
Published 30.03.2022
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:Disclosed is a negative electrode for a rechargeable lithium battery, including a negative current collector, a negative active material layer, and a negative functional layer which are sequentially laminated, the negative active material layer including a negative active material including a crystalline carbonaceous material, having a ratio, I(002)/I(110)of X-ray diffraction peak intensity at a (002) plane to X-ray diffraction peak intensity at a (110) plane ranging from 30 to 110, the negative functional layer comprises a flake-shaped polyethylene particle. The flake-shaped polyethylene particles have (i) a particle size of 1 µm to 8 µm, (ii) a thickness of 0.2 µm to 4 µm, and (iii) a ratio of a length of a long axis to a length of a short axis of 1 to 5.
Bibliography:Application Number: EP20200171859