Heteroatom-Engineered Fibrous Biocarbon Electrodes for the Superior Performance of Microsupercapacitors

A unique pyrolysis approach has been opted for the heteroengineering of green fibrous biocarbon. An in-depth electrochemical study facilitated the identification of the high-performing nitrogen-doped carbon (HDC-N) electrode as a favorable candidate for constructing a symmetric supercapacitor device. It exhibits a specific capacitance value of 150 F g–1 at 1 A g–1 and has an outstanding rate capability of 77% at 10 A g–1. The flexible/wearable microsupercapacitor (FWMSC) device constructed with an HDC-N electrode delivers an excellent energy density by showcasing 79.9 mW h cm–2 with respect to a power density of 2.98 W cm–2. The miniaturized FWMSC device shows superior cyclic stability up to 9000th cyclic voltammetry (CV) cycles with excellent mechanical flexibility under different bending angles. This study advocates for the essentiality of green pathways in designing microsupercapacitor electrodes.

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Publication Details

Journal
ACS Applied Energy Materials
Published
2025-04-29
DOI
https://doi.org/10.1021/acsaem.5c00293
Citations
3
Primary Topic
Supercapacitor Materials and Fabrication
Type
article
Field-Weighted Citation Impact
1.28
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Heteroatom-Engineered Fibrous Biocarbon Electrodes for the Superior Performance of Microsupercapacitors

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3 citations
ACS Applied Energy Materials
Supercapacitor Materials and Fabrication
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article

Heteroatom-Engineered Fibrous Biocarbon Electrodes for the Superior Performance of Microsupercapacitors

A. K. Tyagi, Selvan Bellan, Bikash Kumar Jena, Prerna Sinha, Ashutosh Sharma, Srinu Akula, B. Bhuvaneshwari, Arkopal Kishore Goswami, Lingaraj Pradhan
article en
3 citations

Abstract

A unique pyrolysis approach has been opted for the heteroengineering of green fibrous biocarbon. An in-depth electrochemical study facilitated the identification of the high-performing nitrogen-doped carbon (HDC-N) electrode as a favorable candidate for constructing a symmetric supercapacitor device. It exhibits a specific capacitance value of 150 F g–1 at 1 A g–1 and has an outstanding rate capability of 77% at 10 A g–1. The flexible/wearable microsupercapacitor (FWMSC) device constructed with an HDC-N electrode delivers an excellent energy density by showcasing 79.9 mW h cm–2 with respect to a power density of 2.98 W cm–2. The miniaturized FWMSC device shows superior cyclic stability up to 9000th cyclic voltammetry (CV) cycles with excellent mechanical flexibility under different bending angles. This study advocates for the essentiality of green pathways in designing microsupercapacitor electrodes.

ACS Applied Energy MaterialsVol. 8(9)
Central Electrochemical Research Institute (IN), Centre de Nanosciences et de Nanotechnologies (FR), Institute of Minerals and Materials Technology (IN), Indian Institute of Technology BHU (IN), Niigata University (JP), Banaras Hindu University (IN), Indian Institute of Technology Kanpur (IN), Academy of Scientific and Innovative Research (IN)
Openalex Percentile: Top 21%
Supercapacitor Materials and Fabrication
1.28
DOISourceOpenAlex
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