Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 5, Issue 27, Pages 14061-14069Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ta03497k
Keywords
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Funding
- National Natural Science Foundation of China [21671129]
- Shanghai Sailing Program [16YF1404400]
- Science and Technology Commission of Shanghai Municipality [16ZR1412100]
- Program for Chang Jiang Scholars and Innovative Research Team in University [IRT13078]
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We have developed a controllable solvothermal method to grow intrinsically conductive MoS2 nanosheet arrays in a metastable 1T phase on carbon fiber cloth (CFC) as binder-free, high-activity Li-ion battery (LIB) anodes. By introducing surface hydroxyl groups on the CFC and tuning the DMF content in the mixed solvent, MoS2 nanosheet arrays were perpendicularly grown to the surface of the carbon fibers with a high coverage. Electrochemical measurements reveal that the 1T phase nanosheet arrays have excellent Li-ion storage performances, including high specific capacity, high rate capability and good cycling stability, outperforming 2H phase arrays. Because of the metallic 1T phase and the highly oriented array architecture, after subtracting the total capacity of CFC, the 1T arrays also deliver a high reversible specific capacity of 1789 mA h g(-1) at 0.1 A g(-1) and a retained capacity of 853 mA h g(-1) after 140 cycles at 1 A g(-1).
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