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Nitrogen‐Enriched Nonporous Carbon Electrodes with Extraordinary Supercapacitance

Hulicova‐Jurcakova, Denisa, Kodama, Masaya, Shiraishi, Soshi, Hatori, Hiroaki, Zhu, Zong Hua, Lu, Gao Qing·2009·Advanced Functional Materials

Abstract

Nitrogen‐enriched nonporous carbon materials derived from melamine–mica composites are subjected to ammonia treatment to further increase the nitrogen content. For samples preoxidized prior to the ammonia treatment, the nitrogen content is doubled and is mainly incorporated in pyrrol‐like groups. The materials are tested as electrodes for supercapacitors, and in acidic or basic electrolytes, the gravimetric capacitance of treated samples is three times higher than that of untreated samples. This represents a tenfold increase of the capacitance per surface area (3300 µF cm−2) in basic electrolyte. Due to the small volume of the carbon materials, high volumetric capacitances are achieved in various electrolytic systems: 280 F cm−3 in KOH, 152 F cm−3 in H 2 SO 4, and 92 F cm−3 in tetraethylammonium tetrafluoroborate/propylene carbonate.

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Crossref · 10.1002/adfm.200801100

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Metadata

Authors
Hulicova‐Jurcakova, D., Kodama, M., Shiraishi, S., Hatori, H., Zhu, Z. H., & Lu, G. Q.
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2009-06-02
Volume
19
Issue
11
Pages
1800-1809
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W1984392208
Cited by
773
References
45
FWCI
11.74
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Nitrogen‐Enriched Nonporous Carbon Electrodes with Extraordinary Supercapacitance. https://app.cochat.ai/papers/10.1002/adfm.200801100
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Hulicova‐Jurcakova, D., Kodama, M., Shiraishi, S., Hatori, H., Zhu, Z. H., & Lu, G. Q. (2009). Nitrogen‐Enriched Nonporous Carbon Electrodes with Extraordinary Supercapacitance. Advanced Functional Materials. https://doi.org/10.1002/adfm.200801100

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