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Reusing Waste Coffee Grounds as Electrode Materials: Recent Advances and Future Opportunities

MATTHEW PAGETT, Vincent Teng Orcid Logo, Geraint Sullivan, Wei Zhang Orcid Logo

Global Challenges, Volume: 7, Issue: 1, Start page: 2200093

Swansea University Authors: MATTHEW PAGETT, Vincent Teng Orcid Logo, Geraint Sullivan, Wei Zhang Orcid Logo

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DOI (Published version): 10.1002/gch2.202200093

Abstract

Coffee industry produces more than eight million tons of waste coffee grounds (WCG) annually. These WCG contain caffeine, tannins, and polyphenols and can be of great environmental concern if not properly disposed of. On the other hand, components of WCG are mainly macromolecular cellulose and ligno...

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Published in: Global Challenges
ISSN: 2056-6646 2056-6646
Published: Wiley 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa61818
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These WCG contain caffeine, tannins, and polyphenols and can be of great environmental concern if not properly disposed of. On the other hand, components of WCG are mainly macromolecular cellulose and lignocellulose, which can be utilized as cheap carbon precursors. Accordingly, various forms of carbon materials have been reportedly synthesized from WCG, including activated carbon, mesoporous carbon, carbon nanosheets, carbon nanotubes, graphene sheet fibers (i.e., graphenated carbon nanotubes), and particle-like graphene. Upcycling of various biomass and/or waste into value-added functional materials is of growing significance to offer more sustainable solutions and enable circular economy. In this context, this review offers timely insight on the recent advances of WCG derived carbon as value-added electrode materials. As electrodes, they have shown to possess excellent electrochemical properties and found applications in capacitor/supercapacitor, batteries, electrochemical sensors, owing to their low cost, high electrical conductivity, polarization, and chemical stability. 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spelling 2023-01-26T10:51:27.1001621 v2 61818 2022-11-08 Reusing Waste Coffee Grounds as Electrode Materials: Recent Advances and Future Opportunities 645a4f6a0378901dbd235c92426d2be7 MATTHEW PAGETT MATTHEW PAGETT true false 98f529f56798da1ba3e6e93d2817c114 0000-0003-4325-8573 Vincent Teng Vincent Teng true false 3d9d9e2d27827cb652dd719deb20c28a Geraint Sullivan Geraint Sullivan true false 3ddabbb54b2cfa2ea10f590ea7da6520 0000-0003-3129-2918 Wei Zhang Wei Zhang true false 2022-11-08 Coffee industry produces more than eight million tons of waste coffee grounds (WCG) annually. These WCG contain caffeine, tannins, and polyphenols and can be of great environmental concern if not properly disposed of. On the other hand, components of WCG are mainly macromolecular cellulose and lignocellulose, which can be utilized as cheap carbon precursors. Accordingly, various forms of carbon materials have been reportedly synthesized from WCG, including activated carbon, mesoporous carbon, carbon nanosheets, carbon nanotubes, graphene sheet fibers (i.e., graphenated carbon nanotubes), and particle-like graphene. Upcycling of various biomass and/or waste into value-added functional materials is of growing significance to offer more sustainable solutions and enable circular economy. In this context, this review offers timely insight on the recent advances of WCG derived carbon as value-added electrode materials. As electrodes, they have shown to possess excellent electrochemical properties and found applications in capacitor/supercapacitor, batteries, electrochemical sensors, owing to their low cost, high electrical conductivity, polarization, and chemical stability. Collectively, these efforts could represent an environmentally friendly and circular economy approach, which could not only help solve the food waste issue, but also generate high performance carbon-based materials for many electrochemical applications. Journal Article Global Challenges 7 1 2200093 Wiley 2056-6646 2056-6646 circular economy; electrochemical; electrodes; food waste; waste coffee grounds 1 1 2023 2023-01-01 10.1002/gch2.202200093 COLLEGE NANME COLLEGE CODE Swansea University SU Library paid the OA fee (TA Institutional Deal) EPSRC. Grant Number: Ep/R51312x/1; Higher Education Research Capital; European Regional development Funding; Welsh European Funding Office; Institute for Innovative Materials, Processing and Numerical Technologies 2023-01-26T10:51:27.1001621 2022-11-08T12:30:21.1829789 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering MATTHEW PAGETT 1 Vincent Teng 0000-0003-4325-8573 2 Geraint Sullivan 3 Wei Zhang 0000-0003-3129-2918 4 61818__25935__632592f27471403ba3af70978e8aabba.pdf 61818.pdf 2022-11-28T14:13:43.1865980 Output 3518982 application/pdf Version of Record true © 2022 The Authors. This is an open access article under the terms of the Creative Commons Attribution License true eng http://creativecommons.org/licenses/by/4.0/
title Reusing Waste Coffee Grounds as Electrode Materials: Recent Advances and Future Opportunities
spellingShingle Reusing Waste Coffee Grounds as Electrode Materials: Recent Advances and Future Opportunities
MATTHEW PAGETT
Vincent Teng
Geraint Sullivan
Wei Zhang
title_short Reusing Waste Coffee Grounds as Electrode Materials: Recent Advances and Future Opportunities
title_full Reusing Waste Coffee Grounds as Electrode Materials: Recent Advances and Future Opportunities
title_fullStr Reusing Waste Coffee Grounds as Electrode Materials: Recent Advances and Future Opportunities
title_full_unstemmed Reusing Waste Coffee Grounds as Electrode Materials: Recent Advances and Future Opportunities
title_sort Reusing Waste Coffee Grounds as Electrode Materials: Recent Advances and Future Opportunities
author_id_str_mv 645a4f6a0378901dbd235c92426d2be7
98f529f56798da1ba3e6e93d2817c114
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author_id_fullname_str_mv 645a4f6a0378901dbd235c92426d2be7_***_MATTHEW PAGETT
98f529f56798da1ba3e6e93d2817c114_***_Vincent Teng
3d9d9e2d27827cb652dd719deb20c28a_***_Geraint Sullivan
3ddabbb54b2cfa2ea10f590ea7da6520_***_Wei Zhang
author MATTHEW PAGETT
Vincent Teng
Geraint Sullivan
Wei Zhang
author2 MATTHEW PAGETT
Vincent Teng
Geraint Sullivan
Wei Zhang
format Journal article
container_title Global Challenges
container_volume 7
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container_start_page 2200093
publishDate 2023
institution Swansea University
issn 2056-6646
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doi_str_mv 10.1002/gch2.202200093
publisher Wiley
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering
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description Coffee industry produces more than eight million tons of waste coffee grounds (WCG) annually. These WCG contain caffeine, tannins, and polyphenols and can be of great environmental concern if not properly disposed of. On the other hand, components of WCG are mainly macromolecular cellulose and lignocellulose, which can be utilized as cheap carbon precursors. Accordingly, various forms of carbon materials have been reportedly synthesized from WCG, including activated carbon, mesoporous carbon, carbon nanosheets, carbon nanotubes, graphene sheet fibers (i.e., graphenated carbon nanotubes), and particle-like graphene. Upcycling of various biomass and/or waste into value-added functional materials is of growing significance to offer more sustainable solutions and enable circular economy. In this context, this review offers timely insight on the recent advances of WCG derived carbon as value-added electrode materials. As electrodes, they have shown to possess excellent electrochemical properties and found applications in capacitor/supercapacitor, batteries, electrochemical sensors, owing to their low cost, high electrical conductivity, polarization, and chemical stability. Collectively, these efforts could represent an environmentally friendly and circular economy approach, which could not only help solve the food waste issue, but also generate high performance carbon-based materials for many electrochemical applications.
published_date 2023-01-01T04:18:16Z
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score 10.938396

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