Mesoporous-macroporous carbon production method
The technology of macroporous carbon and pore-forming agent is applied in the field of preparation of medium and macroporous carbon, and achieves the effects of simple method, complete carbonization and improved electrical conductivity
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Embodiment 1
[0020] Take 10g of novolac resin and 0.1g of hexamethylenetetramine and put them together into a ball mill jar, and ball mill at room temperature for 60min at a speed of 500 rpm to completely and evenly mix the novolak resin and hexamethylenetetramine . The mixture was placed in a nickel boat, placed in a muffle furnace (air atmosphere), heated to 160°C at a rate of 10°C / min and cured for 30 minutes to obtain a cured material. Preliminarily crush the cured material and grind it with a ball mill for 12 hours to obtain a fine powder cured product with a particle size of about 10 microns. Take 1g of polyvinyl butyral (with a particle size of about 50 microns), activated carbon powder (with a particle size of about 50 microns, and a specific surface area of 800m 2 / g, conductivity about 1S / cm) 1g and pulverized 10g solidified material ball milled for 60min, take the mixed powder and press it into a 0.5mm sheet with a pressure of 50MPa. Put the prefabricated sheet into a tube f...
Embodiment 2
[0022] Take 5g of novolac resin and 5g of epoxy resin, dissolve them in 10ml of absolute ethanol, add 5ml of absolute ethanol in which 0.3g of hexamethylenetetramine is dissolved, and mix completely and evenly. The mixture was evaporated at about 100°C to remove ethanol, then placed in a nickel boat, placed in a muffle furnace (air atmosphere), and cured at 290°C for 120 minutes to obtain a cured material. Preliminarily crush the cured material and grind it with a ball mill for 24 hours to obtain a fine powder cured product with a particle size of about 5-8 microns. Take 10g of polyvinyl butyral (with a particle size of about 50 microns) and pulverize it by ball milling for about 10 hours until the particle size is reduced to about 10 microns; Surface area 800m 2 / g, conductivity about 1S / cm) 10g and pulverized 10g solidified material were ball milled and mixed for 60min, and the mixed powder was pressed into a 1.0mm sheet with a pressure of 50MPa. Put the prefabricated shee...
Embodiment 3
[0024] Take 10g of novolac resin and 0.1g of hexamethylenetetramine and put them together into a ball mill jar, and ball mill at room temperature for 60min at a speed of 500 rpm to completely and evenly mix the novolak resin and hexamethylenetetramine . The mixture was placed in a nickel boat, placed in a muffle furnace (air atmosphere), heated to 160°C at a rate of 10°C / min and cured for 30 minutes to obtain a cured material. Preliminarily crush the cured material and grind it with a ball mill for 5 hours to obtain a fine powder cured product with a particle size of about 30 microns. Take 5g of polyvinyl butyral (with a particle size of about 50 microns), carbon nanotubes (with a particle size of about 10 microns, and a specific surface area of 100m 2 / g, conductivity about 200S / cm) 1g, mixed with crushed 10g cured material by ball mill for 60min, took the mixed powder and pressed it into 1.0mm flakes with a pressure of 20MPa. Put the prefabricated sheet into a tube furna...
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