Molded article for negative electrode, method of producing...

Details Molded article for negative electrode, method of producing... Molded article for negative electrode, method of producing...

H - Electricity

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H01M 4/02 (2006.01) C04B 35/532 (2006.01) H01M 4/04 (2006.01) H01M 4/58 (2006.01) H01M 4/96 (2006.01) H01M 10/40 (2006.01) H01M 4/62 (2006.01)

Patent

CA 2075244

ABSTRACT OF THE DISCLOSURE A mixture of carbon powder and a carbonaceous binder is molded and burned in an atmosphere of nitrogen to form a carbon molded article for a negative electrode. The properties of the carbon molded article are: an interfacial distance (doo2) within a range from 3.38 A to 3.56 A measured by X-ray diffraction; and a three-point strength of 100 kgf/cm2 or greater at room temperature. A lithium secondary battery formed by using this carbon molded article as the negative electrode has a high energy density per unit volume and advantageous charge-discharge characteristics for higher loads.

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