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  • Review-Carbon Electrodes in Magnesium Sulphur Batteries: Performance Comparison of Electrodes and Future Directions

    Author(s)
    Chadha, Utkarsh
    Bhardwaj, Preetam
    Padmanaban, Sanjeevikumar
    Kabra, Dikshita
    Pareek, Garima
    Naik, Samriddhi
    Singh, Mahika
    Banavoth, Murali
    Sonar, Prashant
    Singh, Shalu
    Latha, Srinivasan
    Ray, Arun Kumar
    Badoni, Badrish
    Rao, Nalamala Srinivasa
    Griffith University Author(s)
    Sonar, Prashant
    Year published
    2021
    Metadata
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    Abstract
    Magnesium-sulfur batteries have developed as a new and emerging technology benefiting from high energy density, low cost, reasonable safety, and excellent energy storage due to the high natural abundance of electrochemically active materials and low dendrite formation in magnesium. Here we report various enhancement strategies and also focus on using carbon electrodes, coating layers of carbon over the cathodes, carbon nanotubes, reduced graphene oxide, graphene-carbon nanotubes in magnesium-sulfur batteries because of its high conductivity and improved overall electrochemical functioning of the magnesium-sulfur battery. ...
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    Magnesium-sulfur batteries have developed as a new and emerging technology benefiting from high energy density, low cost, reasonable safety, and excellent energy storage due to the high natural abundance of electrochemically active materials and low dendrite formation in magnesium. Here we report various enhancement strategies and also focus on using carbon electrodes, coating layers of carbon over the cathodes, carbon nanotubes, reduced graphene oxide, graphene-carbon nanotubes in magnesium-sulfur batteries because of its high conductivity and improved overall electrochemical functioning of the magnesium-sulfur battery. However, developing these batteries remains challenging due to significant problems caused during theirs operation, such as self-discharge, Mg-anode passivation, insufficient reversible capacity, low sulfur cathode utilization, and rapid capacity loss. We acknowledge the synthesis of non-nucleophilic electrolytes, both situ characterizations of anode or electrode reactions and kinetics, strategic development of sulfur-based cathodes and carbon electrode in Mg–S battery as a critical factor toward improvement in cycle performance, specific capacity, overpotential and working voltage, and confinement of Mg-PS polysulfide, to limit the shuttling of polysulphides, steady accumulation and desolvation of magnesium divalent ions to create a magnesium-conducting surface electrode interphase(SEI). We also present a detailed description of the Mg–S battery, its challenges, future research directions for the practical implementation of the various developed electrolyte and electrodes.
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    Journal Title
    Journal of The Electrochemical Society
    Volume
    168
    Issue
    12
    DOI
    https://doi.org/10.1149/1945-7111/ac4104
    Subject
    Materials engineering
    Electrical engineering
    Macromolecular and materials chemistry
    Science & Technology
    Physical Sciences
    Electrochemistry
    Materials Science, Coatings & Films
    Publication URI
    http://hdl.handle.net/10072/411785
    Collection
    • Journal articles

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