Showa Denko K.k.

Ls Mitron Ltd.

Samsung Sdi Co., Inc.

Posco Chemtech

Chul Youm

Jong-Sung Kim

Jeong-Hun Oh

Masataka Takeuchi

Chiaki Sotowa

Akinori Sudoh

Jung-Min Han

Ho-Gun Kim

Dong-Hun Shin

Kyung-Hee Han

A carbon negative electrode material for a lithium secondary battery includes: a core carbon material; and a coated layer covering the core carbon material and comprising a carbon coating material and carbon fiber.

Carbon negative electrode material for lithium secondary battery, production method thereof and lithium secondary battery using the same

Disclosed are an anode material for a secondary battery, a method for producing the same and a secondary battery using the same. The present invention provides the anode material for a secondary battery produced by coating a high-crystallinity core carbonaceous material with a coating carbonaceous material and calcinating the high-crystallinity core carbonaceous material, wherein the anode material has a specific volume of 0.002 cc/g or less. The anode material for a secondary battery of the present invention may be produced by coating a high-crystallinity core carbonaceous material with a coating carbonaceous material and undergoing a predetermined calcination process, and the anode material can have an increased volume ratio of the micropores. Accordingly, the secondary battery of the present invention may be useful to improve charging/discharging capacity and efficiency since sorption of lithium ion in the anode material is improved.

Anode material for secondary battery, method for producing the same and secondary batteries using the same

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Gyeonggi-do, South Korea

Chul Youm