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Synthesis and Electrochemical Properties of MoS2/rGO/S Composite as a Cathode Material for Lithium-Sulfur Batteries

Authors
Reddy, Bhumi Reddy SrinivasuluPremasudha, MookalaLee, Yeon-JuAhn, Hyo-JunReddy, Nagireddy Gari SubbaAhn, Jou-HyeonCho, Kwon-Koo
Issue Date
Nov-2020
Publisher
AMER SCIENTIFIC PUBLISHERS
Keywords
Lithium-Sulfur Batteries; Hydrothermal Synthesis; Graphene Oxide; MoS2; Polysulfides
Citation
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.20, no.11, pp 7087 - 7091
Pages
5
Indexed
SCIE
Journal Title
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume
20
Number
11
Start Page
7087
End Page
7091
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/6012
DOI
10.1166/jnn.2020.18826
ISSN
1533-4880
1533-4899
Abstract
To develop the next-generation energy storage systems, lithium-sulfur batteries represent an attractive option due to its high theoretical capacity, and energy density. In this work, MoS2/rGO (reduced graphene oxide) was prepared by hydrothermal synthesis and sulfur added by the melt diffusion method. The as-prepared MoS2/rGO has strong polysulfides entrapping, high conductivity, large surface area, and high catalytic activity, consequently resulting in enhanced rate performance and cycling capability of Li-S batteries. The coin cells were constructed with the MoS2/rGO/S cathode material, exhibit a high reversible capacity of nearly 1380 mAh/g at 0.1 C, outstanding cycling stability with a low capacity fading rate. Present work reveals that the hierarchal MoS2/rGO/S cathodes are potential candidate materials for future high-performance lithium-sulfur batteries.
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공학계열 > Dept.of Materials Engineering and Convergence Technology > Journal Articles
공과대학 > 나노신소재공학부금속재료공학전공 > Journal Articles

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Cho, Kwon Koo
대학원 (나노신소재융합공학과)
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