Activated Carbon Based Supercapacitors with a Reduced Graphene Oxide Additive: Preparation and Properties

Jia-Wei Wang, Wei-Ke Zhang, Chen Jiao, Fang-Yuan Su, Cheng-Meng Chen, Chun-Li Guo, Hui Tong Chua, Sehrina Eahon

Research output: Contribution to journalArticlepeer-review

3 Citations (Web of Science)

Abstract

We have successfully enhanced the performance of commercial supercapacitors that use Japan Kuraray 80F activated carbon and Super-P conductive carbon black as the conductive agent with reduced graphene oxide (rGO) additive. The ratios of conductive carbon black to rGO studied are 3:1, 5:1, 10:1, 15:1 and 1:0. The enhancement is most pronounced at 15:1, and the specific capacitance being 137.5 F g(-1), which is a 23.8% improvement over the 1:0 control. The specific capacitance retention is 70.1% after 10000 cycles. The impedance resistance is also reduced to 1.5 Omega, which is 3.3 times lower than the 1:0 control. Additionally, the rGO additive does not alter the favorable pore size distribution of the primary matrix and successfully preserves its small mesoporous structure, which facilitates facile transport of electrolyte.

Original languageEnglish
Pages (from-to)4073-4083
Number of pages11
JournalJournal of Nanoscience and Nanotechnology
Volume20
Issue number7
DOIs
Publication statusPublished - Jul 2020

Fingerprint

Dive into the research topics of 'Activated Carbon Based Supercapacitors with a Reduced Graphene Oxide Additive: Preparation and Properties'. Together they form a unique fingerprint.

Cite this