Nitrogen Doped Macroporous Carbon as Electrode Materials for High Capacity of Supercapacitor

Yudong Li; Xianzhu Xu; Yanzhen He; Yanqiu Jiang; Kaifeng Lin

doi:10.3390/polym9010002

Nitrogen Doped Macroporous Carbon as Electrode Materials for High Capacity of Supercapacitor

Polymers (Basel). 2017 Jan 13;9(1):2. doi: 10.3390/polym9010002.

Authors

Yudong Li¹, Xianzhu Xu², Yanzhen He³, Yanqiu Jiang⁴, Kaifeng Lin⁵

Affiliations

¹ MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China. lydlnn0000@163.com.
² MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China. xuxianzhu@hit.edu.cn.
³ School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China. heyanzhen2015@126.com.
⁴ MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China. jiangyanqiu@hit.edu.cn.
⁵ MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China. linkaifeng@hit.edu.cn.

Abstract

Nitrogen doped carbon materials as electrodes of supercapacitors have attracted abundant attention. Herein, we demonstrated a method to synthesize N-doped macroporous carbon materials (NMC) with continuous channels and large size pores carbonized from polyaniline using multiporous silica beads as sacrificial templates to act as electrode materials in supercapacitors. By the nice carbonized process, i.e., pre-carbonization at 400 °C and then pyrolysis at 700/800/900/1000 °C, NMC replicas with high BET specific surface areas exhibit excellent stability and recyclability as well as superb capacitance behavior (~413 F ⋅ g^-1) in alkaline electrolyte. This research may provide a method to synthesize macroporous materials with continuous channels and hierarchical pores to enhance the infiltration and mass transfer not only used as electrode, but also as catalyst somewhere micro- or mesopores do not work well.

Keywords: N-doped; macropores; supercapacitors.