Synthesis, Characterization Of Porous Carbon Materials And Their Application In Energy And Environment

Porous Carbon Materials have played an important role and attracted muchattention during the development of materials science. Porous Carbon Materials arewidely applied in the fields of gas adsorption and separation, catalysis, electrochemistryand so on for their high BET surface area, low density and high thermal and chemicalstability. There are several preparation methods, such as catalysis-activation,carbonization of polymers or their mixtures, carbonization of organic aero gel andmolecular sieves or nanoparticles temlated synthesis. According to different preparationmethods, ordered or disordered porous carbon materials with different pore structurescan be obtained, while these different pore structures have different properties. So thestudies about the synthesis and the applications of porous carbon materials havebecome one of the research highlights in materials science.Here, we choose covalent organic frameworks (COFs) JUC-Z2as the carbonsource. Aftercarbonizationunder nitrogen, we obtained a series of porous carbonmaterials with different porosities and surface areas. We also explored the gasadsorption which showed the carbonized samples exhibited relatively high BET surfacearea, and better CO2capture capability. Moreover, the microporous carbon derivedunder400℃for16h exhibited high hydrogen capacity.We also carbonized metal-organic frameworks MIL-53(Fe) with the same methodsto get porous carbon materials with metal nanoparticles and take them as potentialFischer-Tropsch synthesis catalysts. By doping Cu or Mn into the frameworks beforecarbonization, we got promoted Fischer-Tropsch synthesis catalysts. The tests of thesecatalysts showed they are potential catalysts for industrial Fischer-Tropsch synthesis.In summary, by carbonization of porous organic frameworks, JUC-Z2, we preparedporous carbon materials with high surface areas. Compared with original JUC-Z2, Theyshowed better CO2, CH4capture and relatively high hydrogen storage. Also, weprepared porous carbon materials with metal nanoparticles, which exhibited moderateFischer-Tropsch synthesis activity and products selectivity.