Showa Denka K.k.

Masataka Takeuchi

Akinori Sudoh

A graphite material is provided wherein D50% is 2 to 9 &#x3bc;m in particle diameter distribution based on volume as measured by laser diffraction, a specific surface area is 2 to 6 m/g and no coating layer is substantially included in a surface of the particle. Also provided is a graphite material comprising substantially single-composition particles having an isotropic crystal structure, wherein D50% is 2 to 9 &#x3bc;m in particle diameter distribution based on volume as measured by laser diffraction, and a specific surface area is 2 to 6 m/g.

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Minato-ku, Japan

Masataka Takeuchi