Journal
SOLID STATE IONICS
Volume 323, Issue -, Pages 151-156Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ssi.2018.06.004
Keywords
S-Doped carbon; Mo2C; Nanofiber; Long-life time; Sodium ion battery
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Funding
- National Natural Science Foundation of China [51404103, 51772082, 51574117, 61376073]
- Hunan University Fund for Multidisciplinary Developing [2015JCA04]
- Students Innovation Training (SIT) of Hunan University
- China Postdoctoral Science Foundation [2017M610495]
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We succeed in obtaining Mo2C embedded in S-doped carbon (Mo2C/SC) nanofibers by electrospinning and sulfuration. The use of S-doped carbon not only provides more additional Na+ storage active sites to enhance its sodium storage performance, but also increases electrons migration and ions diffusion. As the anodes for sodium ion batteries (SIBs), the electrode exhibits excellent rate capacities of 242 and 96 mA h g(-1) from 0.1 A g(-1) to 5 A g(-1). Excitingly, the high-rate performance is superior, achieving 102.7 rnA h g(-1) at 5 A g(-1) over 1000th cycle. This project provides ideas for the development the high-rate and long-term stable of the Mo2C in energy storage devices.
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