Journal
NANOSCALE RESEARCH LETTERS
Volume 11, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1186/s11671-016-1664-6
Keywords
Lithium ion battery; Urchin-like gamma-MnS microstructures; L-cysteine; Solvothermal
Funding
- National Basic Research Program of China [2011CBA00701]
- National Natural Science Foundation of China [21171084, 21373106]
- Program for Scientific Research Innovation Team in Colleges and Universities of Shandong Province
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MnS has been attracting more and more attentions in the fields of lithium ion batteries (LIBs) because of its high energy density and low voltage potential. In this paper, we present a simple method for the preparation of urchin-like gamma-MnS microstructures using L-cysteine and MnCl2 . 4H(2)O as the starting materials. The urchin-like gamma-MnS microstructures exhibit excellent cycling stability (823.4 mA h g(-1) at a current density of 500 mA g(-1), after 1000 cycles). And the discharge voltage is about 0.75 V, making it a good candidate for the application as the anode material in LIBs. SEM, TEM, and XRD were employed to inspect the changes of the active materials during the electrochemical process, which clearly indicate that the structural pulverization and reformation of the gamma-MnS microstructures play important roles for the maintenance of the electrochemical performance during the charge/discharge process.
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