新型炭材料（中英文）2023，Vol.38Issue(5)：861-874,14.DOI:10.1016/S1872-5805(23)60776-0
基于钴离子交换分子筛为模板的三维有序微孔炭低温合成及其宏量制备
Large-scale synthesis of 3D ordered microporous carbon at low tem-perature using cobalt ions exchanged zeolite Y as a template
摘要
Abstract
Zeolite-templated carbons(ZTCs)have a unique three-dimensional(3D)ordered microporous structure and an extra-large surface area,and have excellent properties in adsorption and energy storage.Unfortunately,the lack of efficient synthesis strategies and the difficulty of doing this on a large-scale have seriously limited their development.We have developed a large-scale simple production route using a relatively low synthesis temperature and direct acetylene chemical vapor deposition(CVD)using Co ion-exchanged zeolite Y(CoY)as the template.The Co2+ confined in the zeolite acts as Lewis acid sites to catalyze the pyrolysis of acetylene through the d-π coordination effect,making carbon deposition occur selectively inside the zeolite at 400℃ rather than on the external surface.By systematically investigating the CVD temperature and time,the optimum conditions of 8 h deposition at 400 ℃ produces an excellent 3D ordered-microporous structure and outstanding structure parameters(3000 m2 g-1,1.33 cm3 g-1).Its CO2 adsorption capacity and selectivity are 2.78 mmol g-1(25℃,100 kPa)and 98,respectively.This simple CVD process allows the synthesis of high-quality ZTCs on a large scale at a low cost.关键词
沸石模板炭/钴离子交换/低温化学气相沉积/有序微孔/二氧化碳吸附剂Key words
Zeolite-templated carbon/Cobalt ion-exchanged/Low temperature chemical vapor deposition/Ordered microporous/CO2 adsorbent分类
通用工业技术引用本文复制引用
赵宏伟,李莉香,左怀洋,曲迪,张涵,陶林,孙呈郭,巨东英,安百钢..基于钴离子交换分子筛为模板的三维有序微孔炭低温合成及其宏量制备[J].新型炭材料（中英文）,2023,38(5):861-874,14.基金项目
We acknowledge the financial support by grants from the National Natural Science Foundation of China(51872131,51972156,51672117,51672118),the distinguished professor project of the education department of Liaoning,the Startup Fund for Doctor-al Research of Liaoning(2023-BS-184),and the Uni-versity of Science And Technology Liaoning Talent Project Grants(6003000315). 国家自然科学基金(51872131,51972156,51672117,51672118) （51872131,51972156,51672117,51672118）
辽宁省特聘教授项目 （）
辽宁省博士科研启动基金(2023-BS-184) （2023-BS-184）
辽宁科技大学人才项目(6003000315). （6003000315）
