Electrode for secondary battery

Details Electrode for secondary battery Electrode for secondary battery

H - Electricity

01

M

H01M 4/66 (2006.01) H01M 4/02 (2006.01) H01M 4/36 (2006.01) H01M 4/40 (2006.01) H01M 4/58 (2006.01) H01M 4/62 (2006.01) H01M 4/04 (2006.01) H01M 4/74 (2006.01) H01M 6/10 (2006.01) H01M 8/04 (2006.01)

Patent

CA 2043472

Abstract of the disclosure Disclosed is an electrode for secondary battery, which comprises an alkali metal as the active substance carried on a carrier composed of (1) 100 parts by weight of a carbonaceous material satisfying the following conditions: (A) a hydrogen/carbon atomic ratio of less than 0.15 and (B) a spacing (d002) of the (002) plane according to the X-ray wide angle diffraction method of 3.37 .ANG. or more and a crystallite size in the c-axis direction (Lc) of 5 .ANG. or more, and 0 to 70 parts by weight of a metal capable of forming an alloy with the active substance or an alloy of said metal and (2) 0.1 to 40 parts by weight of a fibrous organic polymer as the binder, which can give a negative electrode having excellent charging and discharging cycle characteristics and good flexibility to obtain secondary battery having large charging capacity.

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