Journal
CHEMISTRYSELECT
Volume 3, Issue 2, Pages 524-528Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.201702181
Keywords
Insertion anode; Natrium-ion battery; operando studies; Titanium disulfide
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Funding
- Ministry of Education (MOE TIER 2 funding), Singapore [MOE2015-T2-1-046]
- Science& Engineering Research Board (SERB)
- statutory body of the Department of Science & Technology, Govt. of India through Ramanujan Fellowship [SB/S2/RJN-088/2016]
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We report the synthesis of TiS2 by chemical vapour transport and evaluated as insertion host for Na-ion battery. The half-cell assemblies are fabricated to study the Na-insertion properties. The Na/TiS2 cell displayed a reversible capacity of similar to 146 mAh g(-1) at 0.1 C rate which corresponds to similar to 0.61mol. Na. Excellent cycling stability, and rate performance are noted for TiS2. Cyclic voltammetry and impedance measurements supports the charge storage mechanism and interfacial properties, respectively. Operando studies are also conducted to ensure the structural stability of the insertion host. Furthermore, the Li-insertion properties are also conducted to support the electrochemical activity of the host matrix prepared by chemical vapour transport.
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