Electrochemical Performance of Graphene-Modulated Sulfur Composite Cathodes Using LiBH 4 Electrolyte for All-Solid-State Li-S Battery

Tarun Patodia, Mukesh Kumar Gupta, Rini Singh, Takayuki Ichikawa, Ankur Jain and Balram Tripathi
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Tarun Patodia: Natural Science Centre for Basic Research and Development, Hiroshima University, Hiroshima 739-8530, Japan
Mukesh Kumar Gupta: Department of Electrical Engineering, Suresh Gyan Vihar University, Jaipur 302017, India
Rini Singh: Graduate School of Engineering, Hiroshima University, Hiroshima 739-8527, Japan
Takayuki Ichikawa: Graduate School of Engineering, Hiroshima University, Hiroshima 739-8527, Japan
Ankur Jain: Natural Science Centre for Basic Research and Development, Hiroshima University, Hiroshima 739-8530, Japan
Balram Tripathi: Department of Physics, S.S. Jain Subodh P.G. (Autonomous) College, Jaipur 302004, India

Energies, 2021, vol. 14, issue 21, 1-12

Abstract: All-solid-state Li-S batteries (use of solid electrolyte LiBH 4 ) were prepared using cathodes of a homogeneous mixture of graphene oxide (GO) and reduced graphene oxide (rGO) with sulfur (S) and solid electrolyte lithium borohydride (LiBH 4 ), and their electrochemical performance was reported. The use of LiBH 4 and its compatibility with Li metal permits the utilization of Li anode that improves the vitality of composite electrodes. The GO-S and rGO-S nanocomposites with different proportions have been synthesized. Their structural and morphological characterizations were performed by X-ray diffraction (XRD) and scanning electron microscopy (SEM), and the results are presented. The electrochemical performance was tested by galvanostatic charge-discharge measurements at a 0.1 C-rate. The results presented here demonstrate the successful implementation of GO-S composites in an all-solid-state battery.

Keywords: Li-S battery; all-solid-state battery; solid electrolyte; LiBH 4; reduced graphene oxide (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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