Thick vertically aligned carbon nanotube/carbon composite electrodes for electrical double-layer capacitors

Malachi Noked; Sivan Okashy; Tomer Zimrin; Doron Aurbach

doi:10.1016/j.carbon.2013.02.042

Thick vertically aligned carbon nanotube/carbon composite electrodes for electrical double-layer capacitors

Malachi Noked, Sivan Okashy, Tomer Zimrin, Doron Aurbach

Department of Chemistry

Bar-Ilan University

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

We present a new method for synthesis of thick, self-standing porous carbon electrodes with improved physicochemical properties and unique porous structure. The synthesis is based on the use of vertically aligned carbon nanotubes (VACNT) as templates for polymer-based activated carbon materials. The VACNT template enables the production of 1 mm thick, binder-free electrodes with high capacity values even at high rates (>160 Fg^-1 at more than 1 Ag^-1 for 1 mm thick electrode), and very good stability upon cycling. The electrochemical performance after more than 50,000 cycles, the pore characterization by adsorption isotherms, and the structural analysis of the composite electrode are also reported.

Original language	English
Pages (from-to)	134-138
Number of pages	5
Journal	Carbon
Volume	58
DOIs	https://doi.org/10.1016/j.carbon.2013.02.042
State	Published - Jul 2013

Bibliographical note

Funding Information:
Partial support for this work was obtain from the BSF (Bi National Israel US Science Foundation), the I-SAEF (Israel Strategic Alternative Energy Foundation) and the Chief Scientist Ministry of Industry & Commerce of Israel (MAGNET program), the first author is also supported by the Israeli Ministry of Science and Technology (ESHKOL scholarship).

Funding

Partial support for this work was obtain from the BSF (Bi National Israel US Science Foundation), the I-SAEF (Israel Strategic Alternative Energy Foundation) and the Chief Scientist Ministry of Industry & Commerce of Israel (MAGNET program), the first author is also supported by the Israeli Ministry of Science and Technology (ESHKOL scholarship).

Funders	Funder number
Bi National Israel US Science Foundation
Chief Scientist Ministry of Industry & Commerce of Israel
Israel Strategic Alternative Energy Foundation
Ministry of Education, Science and Technology

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10.1016/j.carbon.2013.02.042

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abstract = "We present a new method for synthesis of thick, self-standing porous carbon electrodes with improved physicochemical properties and unique porous structure. The synthesis is based on the use of vertically aligned carbon nanotubes (VACNT) as templates for polymer-based activated carbon materials. The VACNT template enables the production of 1 mm thick, binder-free electrodes with high capacity values even at high rates (>160 Fg-1 at more than 1 Ag-1 for 1 mm thick electrode), and very good stability upon cycling. The electrochemical performance after more than 50,000 cycles, the pore characterization by adsorption isotherms, and the structural analysis of the composite electrode are also reported.",

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Thick vertically aligned carbon nanotube/carbon composite electrodes for electrical double-layer capacitors

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