Fabrication of symmetric supercapacitors based on MOF-derived nanoporous carbons

Salunkhe, Rahul R., Kamachi, Yuichiro, Torad, Nagy L., Hwang, Soo Min, Sun, Ziqi, Dou, Shi Xue, Kim, Jung Ho, & Yamauchi, Yusuke (2014) Fabrication of symmetric supercapacitors based on MOF-derived nanoporous carbons. Journal of Materials Chemistry A, 2(46), pp. 19848-19854.

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Nanoporous carbon (NPC) materials with high specific surface area have attracted considerable attention for electrochemical energy storage applications. In the present work, we have designed novel symmetric supercapacitors based on NPC by direct carbonization of Zn-based metal-organic frameworks (MOFs) without using an additional precursor. By controlling the reaction conditions in the present study, we synthesized NPC with two different particle sizes. The effects of particle size and mass loadings on supercapacitor performance have been carefully evaluated. Our NPC materials exhibit excellent electrochemical performance with a maximum specific capacitance of 251 F g-1 in 1 M H2SO4 electrolyte. The symmetric supercapacitor studies show that these efficient electrodes have good capacitance, high stability, and good rate capability.

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ID Code: 94600
Item Type: Journal Article
Refereed: Yes
DOI: 10.1039/c4ta04277h
ISSN: 2050-7496
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 The Royal Society of Chemistry
Deposited On: 08 Apr 2016 03:54
Last Modified: 14 Apr 2016 04:26

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