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One-step synthesis of nitrogen-doped wood derived carbons as advanced electrodes for supercapacitor applications

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Abstract

In this work, nitrogen-doped wood derived carbon (NWDC) as an electrode material for supercapacitors is prepared for the first time by a one-step method. NWDC greatly inherits the hierarchical porous structure of pure natural wood, which provides a sufficient electrode-electrolyte interface for the accumulation of charges or ions. In addition, nitrogen doping can affect the interaction between ions and electrodes in the electrolyte, forcing the increase of ion density on the electrode surface, which is conducive to the rapid and effective transport of electrolyte ions in NWDC, showing an enhanced electrochemical performance. The electrochemical results demonstrate that NWDC has an excellent specific capacitance (211 F g−1 at 1 A g−1), good rate performance (57.35% from 1 to 12 A g−1) and tremendously high cycling stability (93.24% after 7500 cycles). The present work provides a new avenue for facile and highly efficient construction of nitrogen doped wood derived carbon for potential supercapacitor applications.

Graphical abstract: One-step synthesis of nitrogen-doped wood derived carbons as advanced electrodes for supercapacitor applications

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Publication details

The article was received on 30 Oct 2018, accepted on 01 Feb 2019 and first published on 02 Feb 2019


Article type: Letter
DOI: 10.1039/C8NJ05511D
Citation: New J. Chem., 2019, Advance Article

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    One-step synthesis of nitrogen-doped wood derived carbons as advanced electrodes for supercapacitor applications

    Q. Meng, H. Ge, W. Yao, W. Zhu and T. Duan, New J. Chem., 2019, Advance Article , DOI: 10.1039/C8NJ05511D

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