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Article

3D Porous Ti3C2 MXene/NiCo-MOF Composites for Enhanced Lithium Storage

by 1, 1,2,*, 2,3, 2, 2 and 1,2,*
1
Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
2
Sino-EU Joint Laboratory of New Energy Materials and Devices, Tomas Bata University in Zlin, 760 01 Zlin, Czech Republic
3
Department of Chemistry, Mugla Sitki Kocman University, 48000 Mugla, Turkey
*
Authors to whom correspondence should be addressed.
Nanomaterials 2020, 10(4), 695; https://doi.org/10.3390/nano10040695
Received: 11 March 2020 / Revised: 31 March 2020 / Accepted: 3 April 2020 / Published: 7 April 2020
To improve Li storage capacity and the structural stability of Ti3C2 MXene-based electrode materials for lithium-ion batteries (LIBs), a facile strategy is developed to construct three-dimensional (3D) hierarchical porous Ti3C2/bimetal-organic framework (NiCo-MOF) nanoarchitectures as anodes for high-performance LIBs. 2D Ti3C2 nanosheets are coupled with NiCo-MOF nanoflakes induced by hydrogen bonds to form 3D Ti3C2/NiCo-MOF composite films through vacuum-assisted filtration technology. The morphology and electrochemical properties of Ti3C2/NiCo-MOF are influenced by the mass ratio of MOF to Ti3C2. Owing to the interconnected porous structures with a high specific surface area, rapid charge transfer process, and Li+ diffusion rate, the Ti3C2/NiCo-MOF-0.4 electrode delivers a high reversible capacity of 402 mAh g−1 at 0.1 A g−1 after 300 cycles; excellent rate performance (256 mAh g−1 at 1 A g−1); and long-term stability with a capacity retention of 85.7% even after 400 cycles at a high current density, much higher than pristine Ti3C2 MXene. The results highlight that Ti3C2/NiCo-MOF have great potential in the development of high-performance energy storage devices. View Full-Text
Keywords: MXene; NiCo-MOF; 3D porous composite; lithium ion batteries MXene; NiCo-MOF; 3D porous composite; lithium ion batteries
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MDPI and ACS Style

Liu, Y.; He, Y.; Vargun, E.; Plachy, T.; Saha, P.; Cheng, Q. 3D Porous Ti3C2 MXene/NiCo-MOF Composites for Enhanced Lithium Storage. Nanomaterials 2020, 10, 695. https://doi.org/10.3390/nano10040695

AMA Style

Liu Y, He Y, Vargun E, Plachy T, Saha P, Cheng Q. 3D Porous Ti3C2 MXene/NiCo-MOF Composites for Enhanced Lithium Storage. Nanomaterials. 2020; 10(4):695. https://doi.org/10.3390/nano10040695

Chicago/Turabian Style

Liu, Yijun, Ying He, Elif Vargun, Tomas Plachy, Petr Saha, and Qilin Cheng. 2020. "3D Porous Ti3C2 MXene/NiCo-MOF Composites for Enhanced Lithium Storage" Nanomaterials 10, no. 4: 695. https://doi.org/10.3390/nano10040695

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