Lg Chem, Ltd

Ki-Eun Sung

Bu-Gon Shin

Tae-Su Kim

Dae-Won Lee

Jin-Soo Lee

Dae-Han Seo

Sang-Ik Lee

The present invention relates to an electrode manufacturing method, an electrode manufactured thereby, and a battery comprising the same, the electrode manufacturing method comprising the steps of: applying an electrode active material onto a collector; and radiating a laser such that the end of an electrode active material layer, which has been obtained by applying the electrode active material, becomes straight, thereby removing the electrode active material. The present invention is advantageous in that the difference in area between active materials applied to the positive and negative electrodes, respectively, is minimized, thereby increasing the capacity and improving the stability of the battery.

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Daejeon, South Korea

Ki-Eun Sung