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Preparation and performance characteristics of reduced graphene oxide-based electrolytes of vanadium redox flow battery for green energy storage

The vanadium redox-flow battery represents a novel energy storage system that is suitable for power grid applications. This particular redox flow battery system exhibits superior efficacy, affordability, and durability in contrast to its predecessors. Vanadium redox flow batteries encounter several...

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Main Authors: Hossain, Md Hasnat, Hossain, Md Showkot, Mohd Radzi, Mohd Amran, Rahman, Saidur, Shafie, Suhaidi
Format: Conference or Workshop Item
Language:English
Published: 2023
Online Access:http://eprints.utem.edu.my/id/eprint/27978/1/Preparation%20and%20performance%20characteristics%20of%20reduced%20graphene%20oxide-based%20electrolytes%20of%20vanadium%20redox%20flow%20battery%20for%20green%20energy%20storage.pdf
http://eprints.utem.edu.my/id/eprint/27978/
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spelling my.utem.eprints.279782024-10-16T16:00:22Z http://eprints.utem.edu.my/id/eprint/27978/ Preparation and performance characteristics of reduced graphene oxide-based electrolytes of vanadium redox flow battery for green energy storage Hossain, Md Hasnat Hossain, Md Showkot Mohd Radzi, Mohd Amran Rahman, Saidur Shafie, Suhaidi The vanadium redox-flow battery represents a novel energy storage system that is suitable for power grid applications. This particular redox flow battery system exhibits superior efficacy, affordability, and durability in contrast to its predecessors. Vanadium redox flow batteries encounter several challenges, such as inadequate energy efficiency, low thermal conductivity, suboptimal diffusivity, high resistivity, and elevated liquid density. The potential of reduced graphene oxide (RGO) as an electrolyte's catalyst material in vanadium (IV) electrolytes is currently under investigation with the aim of improving thermal conductivity and diffusivity, while simultaneously reducing resistance. The vanadium (IV) electrolyte-based nanofluid was studied with a different weight percentage of RGO (1wt%, 1.5wt%, and 2wt%). The study involves conducting optical and electrochemical characterizations, including FTIR, UV-Vis, SEM, and EDX. Additionally, CV and thermal properties measurements are performed. The light transmission capacity of RGO was enhanced, as evidenced by FTIR, UV-Vis, SEM, and EDX analyses, which also revealed a smooth 2D layer structure and stable electrolyte solutions. The thermal conductivity of an electrolyte based on RGO exhibits a significant increase of 29.8%, 55.6%, and 72.3% compared to a base solution. Additionally, the resistivity of the RGO-based electrolyte is observed to decrease by 32.7%, 49.4%, 67.1%. At a temperature of 35°C, the addition of 2.0% weight RGO results in the most significant enhancement of thermal conductivity, with an increase of 72.3%. The findings of this research are expected to provide valuable insights for future investigations aimed at enhancing the efficacy of green energy storage technology and facilitating the attainment of sustainable development objectives. These objectives include ensuring universal access to affordable, reliable, sustainable, and eco-friendly modern energy. 2023 Conference or Workshop Item PeerReviewed text en http://eprints.utem.edu.my/id/eprint/27978/1/Preparation%20and%20performance%20characteristics%20of%20reduced%20graphene%20oxide-based%20electrolytes%20of%20vanadium%20redox%20flow%20battery%20for%20green%20energy%20storage.pdf Hossain, Md Hasnat and Hossain, Md Showkot and Mohd Radzi, Mohd Amran and Rahman, Saidur and Shafie, Suhaidi (2023) Preparation and performance characteristics of reduced graphene oxide-based electrolytes of vanadium redox flow battery for green energy storage. In: 6th IEEE Conference on Energy Conversion, CENCON 2023, 23 October 2023through 24 October 2023, Kuching. https://www-scopus-com.uitm.idm.oclc.org/record/display.uri?eid=2-s2.0-85182921928&origin=resultslist&sort=plf-f&src=s&sid=0e3a55d87037bfe135b4971ebb29cee5
institution Universiti Teknikal Malaysia Melaka
building UTEM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknikal Malaysia Melaka
content_source UTEM Institutional Repository
url_provider http://eprints.utem.edu.my/
language English
description The vanadium redox-flow battery represents a novel energy storage system that is suitable for power grid applications. This particular redox flow battery system exhibits superior efficacy, affordability, and durability in contrast to its predecessors. Vanadium redox flow batteries encounter several challenges, such as inadequate energy efficiency, low thermal conductivity, suboptimal diffusivity, high resistivity, and elevated liquid density. The potential of reduced graphene oxide (RGO) as an electrolyte's catalyst material in vanadium (IV) electrolytes is currently under investigation with the aim of improving thermal conductivity and diffusivity, while simultaneously reducing resistance. The vanadium (IV) electrolyte-based nanofluid was studied with a different weight percentage of RGO (1wt%, 1.5wt%, and 2wt%). The study involves conducting optical and electrochemical characterizations, including FTIR, UV-Vis, SEM, and EDX. Additionally, CV and thermal properties measurements are performed. The light transmission capacity of RGO was enhanced, as evidenced by FTIR, UV-Vis, SEM, and EDX analyses, which also revealed a smooth 2D layer structure and stable electrolyte solutions. The thermal conductivity of an electrolyte based on RGO exhibits a significant increase of 29.8%, 55.6%, and 72.3% compared to a base solution. Additionally, the resistivity of the RGO-based electrolyte is observed to decrease by 32.7%, 49.4%, 67.1%. At a temperature of 35°C, the addition of 2.0% weight RGO results in the most significant enhancement of thermal conductivity, with an increase of 72.3%. The findings of this research are expected to provide valuable insights for future investigations aimed at enhancing the efficacy of green energy storage technology and facilitating the attainment of sustainable development objectives. These objectives include ensuring universal access to affordable, reliable, sustainable, and eco-friendly modern energy.
format Conference or Workshop Item
author Hossain, Md Hasnat
Hossain, Md Showkot
Mohd Radzi, Mohd Amran
Rahman, Saidur
Shafie, Suhaidi
spellingShingle Hossain, Md Hasnat
Hossain, Md Showkot
Mohd Radzi, Mohd Amran
Rahman, Saidur
Shafie, Suhaidi
Preparation and performance characteristics of reduced graphene oxide-based electrolytes of vanadium redox flow battery for green energy storage
author_facet Hossain, Md Hasnat
Hossain, Md Showkot
Mohd Radzi, Mohd Amran
Rahman, Saidur
Shafie, Suhaidi
author_sort Hossain, Md Hasnat
title Preparation and performance characteristics of reduced graphene oxide-based electrolytes of vanadium redox flow battery for green energy storage
title_short Preparation and performance characteristics of reduced graphene oxide-based electrolytes of vanadium redox flow battery for green energy storage
title_full Preparation and performance characteristics of reduced graphene oxide-based electrolytes of vanadium redox flow battery for green energy storage
title_fullStr Preparation and performance characteristics of reduced graphene oxide-based electrolytes of vanadium redox flow battery for green energy storage
title_full_unstemmed Preparation and performance characteristics of reduced graphene oxide-based electrolytes of vanadium redox flow battery for green energy storage
title_sort preparation and performance characteristics of reduced graphene oxide-based electrolytes of vanadium redox flow battery for green energy storage
publishDate 2023
url http://eprints.utem.edu.my/id/eprint/27978/1/Preparation%20and%20performance%20characteristics%20of%20reduced%20graphene%20oxide-based%20electrolytes%20of%20vanadium%20redox%20flow%20battery%20for%20green%20energy%20storage.pdf
http://eprints.utem.edu.my/id/eprint/27978/
https://www-scopus-com.uitm.idm.oclc.org/record/display.uri?eid=2-s2.0-85182921928&origin=resultslist&sort=plf-f&src=s&sid=0e3a55d87037bfe135b4971ebb29cee5
_version_ 1814061442638282752
score 13.211869

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