Journal
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
Volume 15, Issue 7, Pages 6052-6059Publisher
ESG
DOI: 10.20964/2020.07.64
Keywords
MoS2; thermal decomposition; halloysite template; cathode; aqueous zinc ion battery
Categories
Funding
- National Natural Science Foundation of China [51774016]
- Test Fund of Peking University [0000012321]
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Aqueous Zn-ion battery (ZIB) is recognized as one of the most promising candidates for large-scale energy storage due to its unique properties of excellent safety, cost effectiveness and environmental benignity. However, the application of ZIB is hampered by the restricted availability of suitable cathode materials. In this work, porous tubular MoS2 was prepared by template-assisted thermal decomposition, in which (NH4)(2)MoS4 was utilized as a precursor and natural halloysite as a template. As a promising cathode material for ZIB, the prepared MoS2 exhibited a good specific capacity of 146.2 mAh g(-1) at 0.2 A g(-1) and excellent cycling performance with 74.0% capacity retention after 800 cycles. Furthermore, the proposed MoS2 demonstrated a great rate capability even at 1 A g(-1). This work provides a promising cathode material for ZIBs, and opens up new possibilities for its future application in renewable energy storage.
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