新型炭材料2009,Vol.24Issue(2):187-190,4.DOI:10.1016/S1872-5805(08)60047-5
一步模板炭化法制备新型沥青基中孔炭材料
New mesoporous carbons prepared from pitch by simultaneous templating and carbonization
摘要
Abstract
Mesoporous carbons with high surface area were successfully prepared from a pitch using MgO as a tem-plate. The mixtures of the pitch and the MgO precursors (magnesium acetate and citrate) with different mass ratios in powder form were carbonized at 950℃ in nitrogen. The MgO was dissolved using a 1 mol/L hydrochloric acid aqueous solution after carbonization and the porous carbons formed were isolated. The results indicated that most of the pores in the carbons were mesopores, which were generated as a result of the templating action of MgO formed by pyrolysis of the MgO precursors. The BET surface area of the carbons could reach up to 1 295 m2/g although no activation was per-formed. The carbon yield was as high as 50% mass fraction when magnesium citrate was used as the MgO precursor.关键词
沥青/MgO/模板炭化法/中孔炭Key words
Pitch/MgO/Template carbonization/Mesoporous carbon分类
化学化工引用本文复制引用
王艳素,王成扬,陈明鸣..一步模板炭化法制备新型沥青基中孔炭材料[J].新型炭材料,2009,24(2):187-190,4.基金项目
天津市应用基础及前沿技术研究计划重点项目(08JCZDJC17000).The Key Program of Frontier Technology and Foundamentals of Its Application in Tianjin. (08JCZDJC17000)