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Hydrothermal synthesis of MoS2/rGO composite as sulfur hosts for room temperature sodium-sulfur batteries and its electrochemical properties
- Source :
- Journal of Energy Storage. 39:102660
- Publication Year :
- 2021
- Publisher :
- Elsevier BV, 2021.
-
Abstract
- The room temperature sodium-sulfur batteries are an attraction to worldwide industrial and academic as a next-generation energy storage system due to the high energy density, theoretical capacity, and cheap cost of sulfur. However, the practical application is being overdue by fast decay, poor conductivity, and the shuttle effect attributed to the low coulombic efficiency. The present study focuses on preparing MoS2/rGO/S cathode material to overcome the disadvantages of room temperature sodium-sulfur (RT-NaS) batteries. We used hydrothermal method to prepare MoS2, rGO, and MoS2/rGO composite and the sulfur was infused by the melt diffusion. The MoS2/rGO/S composite shows a high reversible capacity of 190 mAh/g after 1000 cycles at a 2 C-rate. The flower-like MoS2/rGO/S composite increases the conductivity and buffers the volume expansion during cycling.
- Subjects :
- Materials science
Renewable Energy, Sustainability and the Environment
020209 energy
Composite number
Energy Engineering and Power Technology
chemistry.chemical_element
02 engineering and technology
Conductivity
021001 nanoscience & nanotechnology
Electrochemistry
Sulfur
Energy storage
Hydrothermal circulation
chemistry
Chemical engineering
0202 electrical engineering, electronic engineering, information engineering
Hydrothermal synthesis
Electrical and Electronic Engineering
0210 nano-technology
Faraday efficiency
Subjects
Details
- ISSN :
- 2352152X
- Volume :
- 39
- Database :
- OpenAIRE
- Journal :
- Journal of Energy Storage
- Accession number :
- edsair.doi...........24bf7cbbeccc7de15b4ae1b991effe33