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  1. No Access

    Article

    Sulfur-encapsulated carbon templet as a structured cathode material for secondary sodium-sulfur battery

    Sodium sulfur (Na-S) battery is an electrochemical energy stowage stratagem which has been labelled as a practicable aspirant for extensive grid-ion verve stowage structures. Na-S battery consumes a high energ...

    Premnahth Jeyaraj Janshirani, Subadevi Rengapillai, Soundarrajan Elumalai… in Ionics (2024)

  2. No Access

    Article

    Porous carbon derived from bacteria and yeast: the potential electrode material for the development of symmetric high energy density supercapacitors

    The urgent need for sustainable energy sources to meet the increasing demand for energy has prompted the exploration of novel materials that are environmentally friendly, inexpensive, and less hazardous to hum...

    Krishnaveni Kalaiappan, Thirumal Vediyappan… in Journal of Materials Science: Materials in… (2023)

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    Article

    Clout of carbon in polyacrylonitrile/sulfur composite cathode via solution processing technique for lithium-sulfur batteries

    A bamboo-like carbon scaffold poly (acrylonitrile) (PAN)–sulfur–composite electrode was prepared by a solution-processing technique. The Kombucha scoby derived carbon (KC) contains ample meso porous nature whi...

    Krishnaveni Kalaiappan, Subadevi Rengapillai… in Journal of Porous Materials (2020)

  4. No Access

    Article

    Kombucha SCOBY-based carbon and graphene oxide wrapped sulfur/polyacrylonitrile as a high-capacity cathode in lithium-sulfur batteries

    Hierarchically-porous carbon nano sheets were prepared as a conductive additive for sulfur/polyacrylonitrile (S/PAN) composite cathodes using a simple heat treatment. In this study, kombucha (that was derived ...

    Krishnaveni Kalaiappan, Subadevi Rengapillai… in Frontiers of Chemical Science and Engineer… (2020)

  5. No Access

    Article

    Enhanced performance on layered O3-Na0.95CrO2 cathode material for emerging sodium-ion batteries

    Sodium-ion batteries are considered to be a capable alternative for lithium-ion batteries in large-scale energy storage applications due to the earth’s abundance and low cost of sodium resources. Herein, we pr...

    Kouthaman Mathiyalagan, Arjunan Ponnaiah, Kannan Karuppiah, Subadevi Rengapillai… in Ionics (2020)

  6. No Access

    Article

    Enhanced Electrochemical Performance of MWCNT-Intercalated Silica/Sulfur Composite Cathode for Rechargeable Lithium-Sulfur Batteries

    Sulfur (S)/silicon dioxide (SiO2)/multiwalled carbon nanotube (MWCNT) ternary composites with potential application in high-performance lithium-sulfur (Li-S) batteries have been prepared by a heat treatment metho...

    Rajkumar Palanisamy, Diwakar Karuppiah, Subadevi Rengapillai, Gnanamuthu Ramasamy… in JOM (2020)

  7. No Access

    Article

    Kombucha scoby-based carbon as a green scaffold for high-capacity cathode in lithium–sulfur batteries

    A ternary composite cathode of sulfur, poly(acrylonitrile) (PAN), and carbon was investigated for the possible use in Li–S batteries. The carbon used in this work was obtained from kombucha tea or tea fungus w...

    Krishnaveni Kalaiappan, Sivakumar Marimuthu, Subadevi Rengapillai, Raja Murugan… in Ionics (2019)