Journal of Guangdong University of Technology ›› 2024, Vol. 41 ›› Issue (03): 29-35.doi: 10.12052/gdutxb.230116

• Materials Science and Technology • Previous Articles     Next Articles

Synthesis and Electrochemical Research of Sodium Storage Anode SnSe2@C

Zhong Jia-rui, Lin Lin, Zheng Cheng   

  1. School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
  • Received:2023-08-28 Online:2024-05-25 Published:2024-06-14

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Abstract: Tin selenide (SnSe2) is a very promising negative electrode material for sodium ion batteries, which has advantages such as high theoretical specific capacity, wide range of raw materials, and low cost. However, it is also limited by the structural damage caused by volume expansion during charging and discharging processes. A research is conducted on the successful synthesis of carbon coated tin selenide (SnSe2@C) through high-temperature annealing. Carbon coating improves the conductivity and stability of the material as sodium-ion battery anode, making SnSe2@C has high specific capacity (549.0 mAh·g-1 at 1.0 A·g-1) and excellent rate performance (427.7 mAh·g-1 at 5.0 A·g-1).

Key words: SnSe2, nano material, sodium-ion batteries, anode, electrochemistry

CLC Number: 

  • TM912.5
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