Electrode for secondary battery

Details Electrode for secondary battery Electrode for secondary battery

H - Electricity

01

M

319/82, 319/84

H01M 4/24 (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 10/40 (2006.01) H01M 4/04 (2006.01) H01M 4/38 (2006.01) H01M 4/66 (2006.01) H01M 4/74 (2006.01) H01M 6/10 (2006.01)

Patent

CA 2021353

Abstract of the disclosure There is presented an electrode for secondary battery, comprising lithium or an alkali metal composed mainly of lithium doped as the active substance in a carrier contain- ing 70 to 99.7 % by weight of a carbonaceous material shown below by (a) and 0.1 to 30 % by weight of an elastomer: (a) a carbonaceous material with a hydrogen/carbon (H/C) atomic ratio less than 0.15, a spacing (d002) of the (002) plane according to the X-ray wide angle diffraction method of 3.37 .ANG. or more and the crystallite size (Lc) in the C-axis direction of 220 .ANG. or less. The amount of the active substance doped is large to give an electrode having high energy density, and also a coil- shaped electrode having flexibility can be obtained.

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