Tea waste biochar composite with nickel phthalocyanine as a potential supercapacitor electrode material

Ramachandran John Wesley; Arulappan Durairaj; Subramanian Ramanathan; Romiyo Justin abraham; Asir Obadiah; Subramaniyan Ramasundaram; Xiaomeng Lv; Samuel Vasanthkumar

doi:10.1007/s13399-021-02206-1

Tea waste biochar composite with nickel phthalocyanine as a potential supercapacitor electrode material

Ramachandran John Wesley, Arulappan Durairaj, Subramanian Ramanathan, Romiyo Justin abraham, Asir Obadiah, Subramaniyan Ramasundaram, Xiaomeng Lv, Samuel Vasanthkumar

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

9 Scopus citations

Abstract

Biochars are well recognized to be prospective materials for renewable and sustainable energy demands around the world in recent times. The present study developed a good methodology for the preparation of nickel phthalocyanine/TW carbon composite (Ni-Pc/TWC) from used tea waste powders and nickel phthalocyanine through a simple carbonization and activation method. The structure of the synthesized materials were confirmed by various characterization techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), Brunauer–Emmett–Teller (BET) with pore size distribution, UV–Vis, and Raman spectroscopy techniques. The electrochemical behaviors of the synthesized materials were analyzed by cyclic voltammetry (CV), galvanostatic charge–discharge (GCD), and electrochemical impedance spectroscopy (EIS). The Ni-Pc/TWC electrode material exhibited excellent specific capacitance value of 432 Fg⁻¹ at 1 Ag⁻¹ in an electrolyte, when compared to the individual materials TW carbon and nickel phthalocyanine. The Ni-Pc/TWC composite material showed good cyclic stability until 5000 cycles of charge–discharge study at 5 Ag⁻¹. This study provides an excellent and cost-effective approach for the used tea waste powder to achieve high performance biochar carbon materials for clean energy storage applications. Graphical abstract: [Figure not available: see fulltext.].

Original language	English
Pages (from-to)	13937-13947
Number of pages	11
Journal	Biomass Conversion and Biorefinery
Volume	13
Issue number	15
DOIs	https://doi.org/10.1007/s13399-021-02206-1
State	Published - Oct 2023
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

Funding

The authors thank the Management and Administration of Karunya Institute of Technology and Sciences, Coimbatore, for their support and encouragement. The authors are grateful to the Department of Sciences and Technology (DST/TDT/WM/2019/73G), Govt of India, for their financial support. The authors thank the Management and Administration of Karunya Institute of Technology and Sciences, Coimbatore, for their support and encouragement. The authors are grateful to the Department of Sciences and Technology (DST/TDT/WM/2019/73G), Govt of India, for their financial support.

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

Keywords

Biochar
Nickel phthalocyanine
Supercapacitor
Used tea powder

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1007/s13399-021-02206-1

Cite this

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title = "Tea waste biochar composite with nickel phthalocyanine as a potential supercapacitor electrode material",

abstract = "Biochars are well recognized to be prospective materials for renewable and sustainable energy demands around the world in recent times. The present study developed a good methodology for the preparation of nickel phthalocyanine/TW carbon composite (Ni-Pc/TWC) from used tea waste powders and nickel phthalocyanine through a simple carbonization and activation method. The structure of the synthesized materials were confirmed by various characterization techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), Brunauer–Emmett–Teller (BET) with pore size distribution, UV–Vis, and Raman spectroscopy techniques. The electrochemical behaviors of the synthesized materials were analyzed by cyclic voltammetry (CV), galvanostatic charge–discharge (GCD), and electrochemical impedance spectroscopy (EIS). The Ni-Pc/TWC electrode material exhibited excellent specific capacitance value of 432 Fg−1 at 1 Ag−1 in an electrolyte, when compared to the individual materials TW carbon and nickel phthalocyanine. The Ni-Pc/TWC composite material showed good cyclic stability until 5000 cycles of charge–discharge study at 5 Ag−1. This study provides an excellent and cost-effective approach for the used tea waste powder to achieve high performance biochar carbon materials for clean energy storage applications. Graphical abstract: [Figure not available: see fulltext.].",

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AU - abraham, Romiyo Justin

AU - Obadiah, Asir

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AB - Biochars are well recognized to be prospective materials for renewable and sustainable energy demands around the world in recent times. The present study developed a good methodology for the preparation of nickel phthalocyanine/TW carbon composite (Ni-Pc/TWC) from used tea waste powders and nickel phthalocyanine through a simple carbonization and activation method. The structure of the synthesized materials were confirmed by various characterization techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), Brunauer–Emmett–Teller (BET) with pore size distribution, UV–Vis, and Raman spectroscopy techniques. The electrochemical behaviors of the synthesized materials were analyzed by cyclic voltammetry (CV), galvanostatic charge–discharge (GCD), and electrochemical impedance spectroscopy (EIS). The Ni-Pc/TWC electrode material exhibited excellent specific capacitance value of 432 Fg−1 at 1 Ag−1 in an electrolyte, when compared to the individual materials TW carbon and nickel phthalocyanine. The Ni-Pc/TWC composite material showed good cyclic stability until 5000 cycles of charge–discharge study at 5 Ag−1. This study provides an excellent and cost-effective approach for the used tea waste powder to achieve high performance biochar carbon materials for clean energy storage applications. Graphical abstract: [Figure not available: see fulltext.].

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Tea waste biochar composite with nickel phthalocyanine as a potential supercapacitor electrode material

Abstract

Bibliographical note

Funding

Keywords

UN SDGs

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