Preparation and Properties of Novel N, S-Codoped Microporous Carbon

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Preparation and Properties of Novel N, S-Codoped Microporous Carbon

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[1]CHUI Ningbo,HUANG Jiajia,YUAN Siguo,et al.Preparation and Properties of Novel N, S-Codoped Microporous Carbon[J].Journal of Zhengzhou University (Engineering Science),2020,41(05):21-25.[doi:10.13705/j.issn.1671-6833.2020.05.002]

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 41卷 Number of periods: 2020 05 Page number: 21-25 Column: Public date: 2020-10-01

Title:: Preparation and Properties of Novel N, S-Codoped Microporous Carbon

Author(s):: CHUI Ningbo; HUANG Jiajia; YUAN Siguo; TIAN Zhihong; School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China

Keywords:: porous materials; microporous carbon; co doping; CO2 adsorption; supercapacitors

CLC:: -

DOI:: 10.13705/j.issn.1671-6833.2020.05.002

Abstract:: N, S-Co doped microporous carbons (CPCT-X) were prepared by potassium hydroxide activation method at different carbonization temperatures using porous organic polymer (PCT) synthesized by a simple Friedel-Crafts alkylation reaction between melamine and thiophene as carbon precursors. The effect of carbonization temperature on the BET and pore sizes was investigated, and the CO2 capture and electrochemistry properties of CPCT-X with different pore structures and N, S contents were also conducted. The results suggested that CPCT-X had a large specific surface area (1 629 m2·g-1) and high micropore porosity (96.7%), and showed a good CO2 capture performance at the carbonization temperature of 600 ℃ (5.5 mmol/g, 273 K, 0.1 MPa). Meanwhile, the specific capacity could reach 210 F/g at a current density of 0.5 A/g when the carbonization temperature was 700 ℃.

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Last Update: 2020-10-23