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ÉLECTRODE EN FORME DE BANDE DESTINÉE À UN ROULEAU DE GELÉE CYLINDRIQUE ET PILE RECHARGEABLE AU LITHIUM COMPRENANT UNE TELLE ÉLECTRODE
ÉLECTRODE EN FORME DE BANDE DESTINÉE À UN ROULEAU DE GELÉE CYLINDRIQUE ET PILE RECHARGEABLE AU LITHIUM COMPRENANT UNE TELLE ÉLECTRODE
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摘要
The present disclosure relates to a strip-like electrode for use in a cylindrical jelly roll which includes a strip-like electrode assembly wound cylindrically to form a hollow cavity at the core portion thereof, and a lithium secondary battery including the same. The strip-like electrode includes: a strip-like electrode current collector; a first electrode active material layer formed on at least one surface of the strip-like electrode current collector; and a second electrode active material layer formed on the first electrode active material layer, wherein the second electrode active material layer is formed to have a length smaller than the length of the first electrode active material layer so that a part of one longitudinal surface of the first electrode active material layer can be exposed to the outside.
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