Copper phosphate-assisted silkworm waste-derived biochar composite for energy storage application

Romiyo Justinabraham; Subramanian Sowmya; Arulappan Durairaj; Ramachandran John Wesley; Vijendran Vijaikanth; Asir Obadiah; Samuel Vasanthkumar

doi:10.1007/s10853-023-08538-9

Copper phosphate-assisted silkworm waste-derived biochar composite for energy storage application

Romiyo Justinabraham, Subramanian Sowmya, Arulappan Durairaj, Ramachandran John Wesley, Vijendran Vijaikanth, Asir Obadiah, Samuel Vasanthkumar

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

Biochar has gained widespread recognition as a potential material for meeting global demands for sustainable energy. The current study revealed an efficient method for making biochar from waste silk worms. This synthesized biochar (SBC) was doped with hydrothermally synthesized copper phosphate (CPh) in various ratios. The prepared materials are analyzed by advanced physical characterisations. The synthesized SBC/CPh composites materials were used for energy storage (supercapacitor) application. The electrochemical performance of the materials was investigated by galvanostatic charge discharge (GCD), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) studies. The prepared composite materials have excellent specific capacitance of 243 F/g at 0.5 A/g of current density with good cyclic stability (84% after 4000 cycles). In addition, the calculated energy density and power density of the prepared composite material show 30.3 Wh kg⁻¹ and 225 W kg^−1, respectively, at the current density of 0.5 A/g. This study highlights an efficient and low-cost methodology for the utilization of silkworm waste for energy storage application. Graphical Abstract: [Figure not available: see fulltext.]

Original language	English
Pages (from-to)	8445-8462
Number of pages	18
Journal	Journal of Materials Science
Volume	58
Issue number	20
DOIs	https://doi.org/10.1007/s10853-023-08538-9
State	Published - May 2023

Bibliographical note

Publisher Copyright:
© 2023, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

Funding

The authors are grateful to Department of Science and Technology, Govt. of India, for their financial support (DST/TDT/WM/2019/73G). The authors thank the management and administration of Karunya Institute of Technology and sciences for their support and help. The authors are thankful to the Sunshine silks industry, Thudiyalur, Coimbatore, for their support.

Funders	Funder number
Department of Science and Technology, Ministry of Science and Technology, India	DST/TDT/WM/2019/73G

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title = "Copper phosphate-assisted silkworm waste-derived biochar composite for energy storage application",

abstract = "Biochar has gained widespread recognition as a potential material for meeting global demands for sustainable energy. The current study revealed an efficient method for making biochar from waste silk worms. This synthesized biochar (SBC) was doped with hydrothermally synthesized copper phosphate (CPh) in various ratios. The prepared materials are analyzed by advanced physical characterisations. The synthesized SBC/CPh composites materials were used for energy storage (supercapacitor) application. The electrochemical performance of the materials was investigated by galvanostatic charge discharge (GCD), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) studies. The prepared composite materials have excellent specific capacitance of 243 F/g at 0.5 A/g of current density with good cyclic stability (84% after 4000 cycles). In addition, the calculated energy density and power density of the prepared composite material show 30.3 Wh kg−1 and 225 W kg−1, respectively, at the current density of 0.5 A/g. This study highlights an efficient and low-cost methodology for the utilization of silkworm waste for energy storage application. Graphical Abstract: [Figure not available: see fulltext.]",

author = "Romiyo Justinabraham and Subramanian Sowmya and Arulappan Durairaj and Wesley, {Ramachandran John} and Vijendran Vijaikanth and Asir Obadiah and Samuel Vasanthkumar",

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AU - Justinabraham, Romiyo

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AU - Durairaj, Arulappan

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AU - Vijaikanth, Vijendran

AU - Obadiah, Asir

AU - Vasanthkumar, Samuel

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N2 - Biochar has gained widespread recognition as a potential material for meeting global demands for sustainable energy. The current study revealed an efficient method for making biochar from waste silk worms. This synthesized biochar (SBC) was doped with hydrothermally synthesized copper phosphate (CPh) in various ratios. The prepared materials are analyzed by advanced physical characterisations. The synthesized SBC/CPh composites materials were used for energy storage (supercapacitor) application. The electrochemical performance of the materials was investigated by galvanostatic charge discharge (GCD), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) studies. The prepared composite materials have excellent specific capacitance of 243 F/g at 0.5 A/g of current density with good cyclic stability (84% after 4000 cycles). In addition, the calculated energy density and power density of the prepared composite material show 30.3 Wh kg−1 and 225 W kg−1, respectively, at the current density of 0.5 A/g. This study highlights an efficient and low-cost methodology for the utilization of silkworm waste for energy storage application. Graphical Abstract: [Figure not available: see fulltext.]

AB - Biochar has gained widespread recognition as a potential material for meeting global demands for sustainable energy. The current study revealed an efficient method for making biochar from waste silk worms. This synthesized biochar (SBC) was doped with hydrothermally synthesized copper phosphate (CPh) in various ratios. The prepared materials are analyzed by advanced physical characterisations. The synthesized SBC/CPh composites materials were used for energy storage (supercapacitor) application. The electrochemical performance of the materials was investigated by galvanostatic charge discharge (GCD), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) studies. The prepared composite materials have excellent specific capacitance of 243 F/g at 0.5 A/g of current density with good cyclic stability (84% after 4000 cycles). In addition, the calculated energy density and power density of the prepared composite material show 30.3 Wh kg−1 and 225 W kg−1, respectively, at the current density of 0.5 A/g. This study highlights an efficient and low-cost methodology for the utilization of silkworm waste for energy storage application. Graphical Abstract: [Figure not available: see fulltext.]

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Copper phosphate-assisted silkworm waste-derived biochar composite for energy storage application

Abstract

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