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Issue 14, 2018
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Nitrogen self-doped carbon aerogels derived from trifunctional benzoxazine monomers as ultralight supercapacitor electrodes

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Abstract

Ultralight benzoxazine-derived porous nitrogen self-doped carbon aerogels with good yield can be prepared by direct polymerization of trifunctional benzoxazine monomers under acid catalysis using concentrated hydrochloric acid. This allows for a significantly widened density range (0.8–4.5 mg cm−3) and avoids any sacrificial etching. When serving as electrode materials for supercapacitors, the resulting hierarchical porous carbon aerogels show ultrahigh specific capacitance, excellent rate performance and good cycling stability (retention of 97.3% even after 10 000 continuous charge–discharge cycles). Besides energy storage devices, the interconnected nanoporous carbon aerogels can also find applications in oil/water separation, heavy metal removal, catalyst supports, and so forth.

Graphical abstract: Nitrogen self-doped carbon aerogels derived from trifunctional benzoxazine monomers as ultralight supercapacitor electrodes

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Publication details

The article was received on 09 Jan 2018, accepted on 01 Mar 2018 and first published on 07 Mar 2018


Article type: Paper
DOI: 10.1039/C8NR00207J
Citation: Nanoscale, 2018,10, 6549-6557
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    Nitrogen self-doped carbon aerogels derived from trifunctional benzoxazine monomers as ultralight supercapacitor electrodes

    M. Zhang, M. Chen, N. Reddeppa, D. Xu, Q. Jing and R. Zha, Nanoscale, 2018, 10, 6549
    DOI: 10.1039/C8NR00207J

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