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Transpiration: from Chinese cabbage waste to supercapacitors with ultrahigh cycling stability

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Abstract

This research reported a new approach to enhance the self-activation of biomass carbon. Driven by the power of transpiration of fresh plants, erioglaucine disodium salt, which is widely used as a blue food coloring agent, was successfully transferred into the waste leaves of Chinese cabbage. More than 116% improvement of specific surface area was obtained after this carbonization process. The material was used as the electrode of a supercapacitor and showed impressive improvement of capacitance performance. In a three-electrode system, the device achieved a high capacitance retention of 99% after 10ā€†000 cycles at a scan rate of 100 mV sāˆ’1.

Graphical abstract: Transpiration: from Chinese cabbage waste to supercapacitors with ultrahigh cycling stability

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Publication details

The article was received on 05 May 2019, accepted on 29 Jul 2019 and first published on 02 Aug 2019


Article type: Research Article
DOI: 10.1039/C9QM00289H
Mater. Chem. Front., 2019, Advance Article

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    Transpiration: from Chinese cabbage waste to supercapacitors with ultrahigh cycling stability

    S. Luo, P. Ma, Y. Luo, Z. Zhao, Y. Long and J. Ma, Mater. Chem. Front., 2019, Advance Article , DOI: 10.1039/C9QM00289H

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