Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 47, Issue -, Pages 80-83Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2014.07.026
Keywords
MXene; Li-ion batteries; Anode materials; Two-dimensional materials
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Funding
- 973 project [201303934001]
- NSF of China [51172024, 51372022]
- Plan for Scientific Innovation Talent of Henan Province [134100510008]
- Program for Innovative Research Team of Henan Polytechnic University [T2013-4]
- State Key Laboratory of New Ceramic and Fine Processing Tsinghua University [KF201313]
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Two-dimensional (2D) Ti3C2 was synthesized by the exfoliation of Ti(3)AIC(2) with HF solution and subsequently intercalation with dimethyl sulfoxide. As anode for lithium ion batteries, Ti3C2 after intercalation had an obvious higher capacity than that before intercalation. The capacity can be 123.6 mAh g(-1) at 1C rate with a coulombic efficiency of 47%. It is higher than that of 2D Ti2C and close to the theoretical capacity of Ti3C2 with F termination. It was suggested that MXene with pure F groups may be a way to further improve its Li storage performance. (C) 2014 Elsevier B.V. All rights reserved.
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