Oxide nanotube composite carbon-based electrode material and preparation method thereof
A nanotube composite and electrode material technology, which is applied in the field of oxide nanotube composite carbon-based electrode materials and its preparation, can solve the problems of poor conductivity, low energy density, high production cost, etc., and achieve improved conductivity, high capacity density, The effect of high specific surface area
Examples
Embodiment 1
[0027] At first according to mass fraction be the titanium dioxide nanotube (aperture size is 1nm~100nm) of 20mass%, massfraction is the Al powder (particle size is 1nm~100nm) of 5mass%, massfraction is the conductive carbon black of 5mass%, massfraction is 45mass% activated carbon (particle size 1nm ~ 100μm, specific surface area 1500m 2 / g or so, the density is 0.7g / cm 3 About, mesopore > 30%), nano-activated carbon fiber with a mass fraction of 25mass% (specific surface area > 100m 2 / g, microporous content<5% specific surface area) were weighed respectively, wherein the ratio of the molar number of active groups on the surface of activated carbon and nano-activated carbon fiber to its carbon molar number is 0.1%~2.5%. First, activated carbon, nano-activated carbon fiber, nano-metal powder and conductive carbon black are placed in a mixing container, and on a planetary ball mill (XQM-4L, Nanjing Institute of Experimental Instruments), through revolution and rotation, the s...
Embodiment 2
[0029] First according to the mass fraction is 0.1mass% zirconia nanotube (aperture size is 1nm~100nm), massfraction is the Al powder (particle size is 1nm~100nm) that massfraction is 0.1mass%, the conductive carbon black that massfraction is 15mass% , Activated carbon with a mass fraction of 60mass% (with a particle size of 1nm to 100μmm and a specific surface area of 1500m 2 / g or so, the density is 0.7g / cm 3 About, mesopore > 30%), nano-activated carbon fiber with a mass fraction of 24.8mass% (specific surface area > 100m 2 / g, microporous content<5% specific surface area) were weighed respectively, wherein the ratio of the molar number of active groups on the surface of activated carbon and nano-activated carbon fiber to its carbon molar number is 0.1%~2.5%. Then nano-metal oxides, activated carbon and nano-activated carbon fibers are placed in the mixing container, and on a planetary ball mill (XQM-4L, Nanjing Institute of Experimental Instruments), by revolution and r...
Embodiment 3
[0031] First according to the mass fraction of 5mass% titanium dioxide nanotubes (aperture size is 1nm ~ 100nm), mass fraction is 0.1mass% of Al powder (particle size is 1nm ~ 100nm), mass fraction is 8mass% conductive carbon black, mass fraction 0.1mass% activated carbon (particle size 1nm ~ 100μm, specific surface area 1500m 2 / g or so, the density is 0.7g / cm 3 Around, mesopore > 30%), nano-activated carbon fiber with a mass fraction of 86.8mass% (specific surface area > 100m 2 / g, micropore content<5% specific surface area)) Weigh respectively, wherein the ratio of the molar number of active groups on the surface of activated carbon and nano activated carbon fiber to its carbon molar number is 0.1mass%~2.5mass%. Then nano-metal oxide, activated carbon and nano-activated carbon fiber are placed in the mixing container, on the planetary ball mill (XQM-4L, Nanjing Institute of Experimental Instruments), by revolution and rotation, the speed is 500rpm, ball milling 4 times, 1...
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Abstract
Description
Claims
Application Information
- IPC
- H01G9/042; H01G9/058; H01M4/02; H01M4/96; H01M4/04; C01B31/02; H01G11/30; H01G11/86
- CPC
- Y02E60/13; Y02E60/50; Y02E60/12; Y02E60/10
- Inventors
- 谭强强; 齐智平