Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 715, Issue -, Pages 432-437Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2017.05.008
Keywords
Bi2S3; Chrysanthemum-like structure; Cycling stability; Lithium ion batteries; Sodium ion batteries
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Funding
- National Natural Science Foundation of China [51572299, 51374255, 51302323]
- Program for New Century Excellent Talents in University [NCET-13-0594]
- Research Fund for the Doctoral Program of Higher Education of China [201301621200]
- Natural Science Foundation of Hunan Province, China [14JJ3018]
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We report the synthesis of novel chrysanthemum-like Bi2S3 nanostructures as a high-performance anode material for lithium and sodium storage. For lithium ion batteries application, the chrysanthemum-like Bi2S3 nanostructures demonstrate high discharge capacity, excellent rate performance and long-term cycling stability. Amazingly, it exhibits superior cycling stability of similar to 2% capacity loss after 300 cycles with high capacity of 480 mA g(-1) remained. The performance is highly improved when compared to the previous reported results of Bi2S3-based materials. Most importantly, the chrysanthemum-like Bi2S3 demonstrates good electrochemical properties for sodium ion batteries application. It displays good cycling stability with a stable capacity of 437 mA h g(-1) over 250 cycles at 0.5 A g(-1) and excellent high-rate capability. This work will attract more attention to this material, with further improving its performance to speed up its practical use as anode for future Na-ion batteries. (C) 2017 Elsevier B.V. All rights reserved.
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