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Electrochemical analysis of nano-electro fuels based on multi-walled carbon nanotubes and graphene nanoplatelets for vanadium redox flow batteries

Arumughan, Jyothis; Vijayakrishnan, Magesh Kannan; Palaniswamy, Karthikeyan; Alam, Tanvir; Kumaresan, Thanarajan; Angappamudaliar, Senthil Kumar Palaniswamy; Sundaram, Senthilarasu

Authors

Jyothis Arumughan

Magesh Kannan Vijayakrishnan

Karthikeyan Palaniswamy

Tanvir Alam

Thanarajan Kumaresan

Senthil Kumar Palaniswamy Angappamudaliar



Abstract

The limited energy performance of vanadium redox flow batteries (VRFBs) prevents their commercialization on a large scale. Active research is conducted aiming enhancement of electrochemical properties of VRFBs, nanotechnology is constantly penetrating the energy sector with its superior electrochemical properties. Multi-walled carbon nanotubes (MWCNTs) and graphene nanoplatelets (GNPs) are the two highly sought out nanomaterials in VRFBs performance enhancement research due to their exceptional chemical stability in acid environments. In the current research, electrochemical performance analysis of commercially available MWCNTs and GNPs are performed by their dispersion in base vanadium electrolyte of VRFBs, forming nano-electro fuels. It is concluded from electrochemical characterizations that nano-electro fuels based on MWCNTs and GNPs perform better when compared to conventional electrolytes.

Journal Article Type Article
Acceptance Date Feb 16, 2022
Online Publication Date Feb 18, 2022
Publication Date 2022-05
Deposit Date Apr 28, 2022
Journal Materials Letters
Print ISSN 0167-577X
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 315
Article Number 131939
DOI https://doi.org/10.1016/j.matlet.2022.131939
Keywords Energy storage, Graphene, X-ray diffraction (XRD), Raman spectroscopy
Public URL http://researchrepository.napier.ac.uk/Output/2859699