Electrochemical performance of hybrid supercapacitor fabricated using multi-structured activated carbon

Min Young Cho, Mok Hwa Kim, Hyun Kyung Kim, Kwang Bum Kim, Jung Rag Yoon, Kwang Chul Roh

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

We used multi-structured activated carbon electrodes to fabricate hybrid supercapacitors (HSCs) showing excellent electrochemical performance. As the active material, the activated carbon coupled with Li4Ti 5O12 showed a partially graphitized as well as a porous structure, and thus provided two different capacitive mechanisms: electric double layer capacitance and shallow intercalation. HSCs produced with this unique structure show excellent specific capacitances of 77 F g- 1 and 62 F cm- 3. Partially graphitic activated carbon has great potential for HSC applications.

Original languageEnglish
Pages (from-to)5-8
Number of pages4
JournalElectrochemistry Communications
Volume47
DOIs
Publication statusPublished - 2014 Oct

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Activated carbon
Capacitance
Intercalation
Electrodes
Supercapacitor

All Science Journal Classification (ASJC) codes

  • Electrochemistry

Cite this

Cho, Min Young ; Kim, Mok Hwa ; Kim, Hyun Kyung ; Kim, Kwang Bum ; Yoon, Jung Rag ; Roh, Kwang Chul. / Electrochemical performance of hybrid supercapacitor fabricated using multi-structured activated carbon. In: Electrochemistry Communications. 2014 ; Vol. 47. pp. 5-8.
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Electrochemical performance of hybrid supercapacitor fabricated using multi-structured activated carbon. / Cho, Min Young; Kim, Mok Hwa; Kim, Hyun Kyung; Kim, Kwang Bum; Yoon, Jung Rag; Roh, Kwang Chul.

In: Electrochemistry Communications, Vol. 47, 10.2014, p. 5-8.

Research output: Contribution to journalArticle

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AU - Roh, Kwang Chul

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