Journal
NANO
Volume 15, Issue 4, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S1793292020500514
Keywords
MXene; Ti3C2Tx; lithium-ion batteries
Funding
- National Science Foundation of China [51772070, 51772069]
- Natural Science Foundation of Heilongjiang Province-China [QC2017003]
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Ti3C2Tx, a new type of two-dimensional material, is a prospective anode material in lithium-ion batteries (LIBs) for its low lithium-ion diffusion barrier, high conductivity and many other excellent properties. In this paper, multilayer Ti3C2Tx and delaminated Ti3C2Tx samples are prepared by etching Ti3AlC2 powder with HF and HCl + LiF, respectively. We explore the application of the two samples in LIBs, and analyze their electrochemical behavior and kinetic mechanism. At the current densities of 0.1 A g(-1), the delaminated Ti3C2Tx electrode delivered higher capacities of 255 mAh g(-1) than multilayer Ti3C2Tx electrode (100 mAh g(-1)). Even after 1000 cycles, the specific capacity of the delaminated Ti3C2Tx is still up to 205 mAh g(-1) at 1 A g(-1) This work proves the great potential of the delaminated Ti3C2Tx for lithium-ion storage.
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