Bio-waste-derived chicken feather carbon-integrated ZnGa2O4 nanocomposites for asymmetric supercapacitor application
Abstract
The pursuit of next-generation energy storage systems necessitates the development of advanced electrode materials that offer both high charge storage capacity and outstanding cycling stability to meet the increasing need for advanced energy storage devices. Engineering hybrid nanostructures that combine conductivity, porosity, and electrochemical activity offers a promising pathway to elevate supercapacitor performance. This study reports the hydrothermal synthesis of ZnGa ₂ O ₄ /chicken feather carbon (ZGO/CFC) composites using varying amounts of chicken feather-derived carbon (40, 65, and 100 mg) as a sustainable carbon source. Comprehensive characterization techniques including X-ray diffraction (XRD), Raman Spectroscopy, X-ray Photoelectron Spectroscopy (XPS), Scanning Electron Microscopy (SEM), and Brunauer-Emmett-Teller (BET) analyses confirm the formation of a well-crystallized cubic ZnGa ₂ O ₄ structure, along with its morphological characteristics, elemental composition, and porosity. Electrochemical characterization reveal that the ZnGa ₂ O ₄ /100 mg chicken feather carbon electrode exhibits the highest specific capacitance of about 642.0 F g − 1 at 1 A g − 1 surpassing its counterparts. Asymmetric supercapacitor fabricated from ZnGa ₂ O ₄ /100 mg chicken feather carbon electrode shows specific capacitance of 67.33 F g − 1 with energy and power densities of about 21.04 Wh kg − 1 ,750 W kg − 1 respectively. In addition, it achieves a capacitive retention rate of about 94.0% and coulombic efficiency of about 95.0% which demands the integration of metal oxides with low-cost, renewable carbon materials as an effective strategy for advancing the performance of supercapacitors. The optimized ZGO/CFC composites demonstrate promising prospects for high-performance supercapacitor applications, facilitating the development for green energy storage solutions.
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BibTeX
@article{selvam2026biowastederived,
title = {{Bio-waste-derived chicken feather carbon-integrated ZnGa2O4 nanocomposites for asymmetric supercapacitor application}},
author = {Govarthini Seerangan Selvam and Pranesh Ganesan Ramakrishnan and Saran Chakravarty Ramesh and Dharshan Vadivelu Govindarajan and Ramesh Rajendran and Naresh Kumar Mani and Thangaraju Dheivasigamani},
journal = {Scientific Reports},
year = {2026},
month = oct,
doi = {10.1038/s41598-026-74803-x},
url = {https://www.nature.com/articles/s41598-026-74803-x},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Bio-waste-derived chicken feather carbon-integrated ZnGa2O4 nanocomposites for asymmetric supercapacitor application
AU - Govarthini Seerangan Selvam
AU - Pranesh Ganesan Ramakrishnan
AU - Saran Chakravarty Ramesh
AU - Dharshan Vadivelu Govindarajan
AU - Ramesh Rajendran
AU - Naresh Kumar Mani
AU - Thangaraju Dheivasigamani
PY - 2026
DA - 2026/10/08
JO - Scientific Reports
DO - 10.1038/s41598-026-74803-x
UR - https://www.nature.com/articles/s41598-026-74803-x
AB - The pursuit of next-generation energy storage systems necessitates the development of advanced electrode materials that offer both high charge storage capacity and outstanding cycling stability to meet the increasing need for advanced energy storage devices. Engineering hybrid nanostructures that combine conductivity, porosity, and electrochemical activity offers a promising pathway to elevate supercapacitor performance. This study reports the hydrothermal synthesis of ZnGa ₂ O ₄ /chicken feather carbon (ZGO/CFC) composites using varying amounts of chicken feather-derived carbon (40, 65, and 100 mg) as a sustainable carbon source. Comprehensive characterization techniques including X-ray diffraction (XRD), Raman Spectroscopy, X-ray Photoelectron Spectroscopy (XPS), Scanning Electron Microscopy (SEM), and Brunauer-Emmett-Teller (BET) analyses confirm the formation of a well-crystallized cubic ZnGa ₂ O ₄ structure, along with its morphological characteristics, elemental composition, and porosity. Electrochemical characterization reveal that the ZnGa ₂ O ₄ /100 mg chicken feather carbon electrode exhibits the highest specific capacitance of about 642.0 F g − 1 at 1 A g − 1 surpassing its counterparts. Asymmetric supercapacitor fabricated from ZnGa ₂ O ₄ /100 mg chicken feather carbon electrode shows specific capacitance of 67.33 F g − 1 with energy and power densities of about 21.04 Wh kg − 1 ,750 W kg − 1 respectively. In addition, it achieves a capacitive retention rate of about 94.0% and coulombic efficiency of about 95.0% which demands the integration of metal oxides with low-cost, renewable carbon materials as an effective strategy for advancing the performance of supercapacitors. The optimized ZGO/CFC composites demonstrate promising prospects for high-performance supercapacitor applications, facilitating the development for green energy storage solutions.
SN - 2045-2322
ER -