Two-dimensional fluorine-free mesoporous Mo2C MXene via UV-induced selective etching of Mo2Ga2C for energy storage

Article


Mei, Jun, Ayoko, Godwin A., Hu, Chunfeng, Bell, John M. and Sun, Ziqi. 2020. "Two-dimensional fluorine-free mesoporous Mo2C MXene via UV-induced selective etching of Mo2Ga2C for energy storage." Sustainable Materials and Technologies. 25. https://doi.org/10.1016/j.susmat.2020.e00156
Article Title

Two-dimensional fluorine-free mesoporous Mo2C MXene via UV-induced selective etching of Mo2Ga2C for energy storage

ERA Journal ID214258
Article CategoryArticle
AuthorsMei, Jun (Author), Ayoko, Godwin A. (Author), Hu, Chunfeng (Author), Bell, John M. (Author) and Sun, Ziqi (Author)
Journal TitleSustainable Materials and Technologies
Journal Citation25
Article Numbere00156
Number of Pages8
Year2020
PublisherElsevier BV
Place of PublicationNetherlands
ISSN2214-9929
2214-9937
Digital Object Identifier (DOI)https://doi.org/10.1016/j.susmat.2020.e00156
Abstract

As an emerging and important family of two-dimensional (2D) nanomaterials, MXene has demonstrated to be a type of promising electrode materials for energy storage devices. Hazardous fluorine-containing acids are commonly applied in exfoliation synthesis of MXenes, which bring about additional safety and environmental concerns. Herein, we proposed a novel and effective UV-induced selective etching method to fabricate fluorine-free mesoporous Mo2C MXene from Mo2Ga2C bulk ceramic in several hours. The resultant MXene exhibits a distinct 2D sheet-like structure without much contamination of impurity ions. When the as-synthesized Mo2C MXene is explored as potential anode materials for rechargeable batteries, excellent rate capability and cycling stability are achieved for both lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs). Furthermore, the assembled flexible Mo2C MXene-based batteries manifested excellent capacity retentions under bending states. Therefore, this Mo2C MXene has great potential for practical energy storage applications. This innovative approach can be further developed for fabricating other MXenes from UV-sensitive precursors.

Keywords2D materials; MXene; batteries; Mo2C; non-fluorine etching
ANZSRC Field of Research 2020401699. Materials engineering not elsewhere classified
401703. Energy generation, conversion and storage (excl. chemical and electrical)
400803. Electrical energy generation (incl. renewables, excl. photovoltaics)
401807. Nanomaterials
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Byline AffiliationsQueensland University of Technology
Southwest Jiaotong University, China
Institution of OriginUniversity of Southern Queensland
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Do, Thu Trang, Patil, Basanagouda B, Singh, Samarendra P, Yambem, Soniya D, Feron, Krishna, Ostrikov, Kostya (Ken), Bell, John M and Sonar, Prashant. 2018. "Vinylene and benzo[c] [1,2,5]thiadiazole: Effect of the pi-spacer unit on the properties of bis(2-oxoindolin-3-ylidene)-benzodifuran-dione containing polymers for n-channel organic field-effect transistors." RSC Advances: an international journal to further the chemical sciences. 8 (68), pp. 38919-38928. https://doi.org/10.1039/c8ra08890j
Indenofluorene-based-copolymers: Influence of electron-deficient benzothiadiazole (BT) and benzooxadiazole (BO) moieties on light emitting devices
Do, Thu-Trang, Matsuki, Keiichiro, Sakanoue, Tomo, Wong, Fu-Lung, Manzhos, Sergei, Lee, Chun-Sing, Bell, John, Takenobu, Taishi and Sonar, Prashant. 2019. "Indenofluorene-based-copolymers: Influence of electron-deficient benzothiadiazole (BT) and benzooxadiazole (BO) moieties on light emitting devices." Organic Electronics. 70, pp. 14-24. https://doi.org/10.1016/j.orgel.2019.03.050
Microstructure and mechanical properties of titanium/steel bimetallic joints
Chu, Qiaoling, Bai, Ruixiang, Zhang, Min, Li, Jihong, Lei, Zhenkun, Hu, Ning, Bell, John M and Yan, Cheng. 2017. "Microstructure and mechanical properties of titanium/steel bimetallic joints." Materials Characterization. 132, pp. 330-337. https://doi.org/10.1016/j.matchar.2017.08.025
Correction: Naphthalene flanked diketopyrrolopyrrole based organic semiconductors for high performance organic field effect transistors (New Journal of Chemistry (2018) 42 (12374–12385) DOI: 10.1039/C8NJ01453A)
Liu, Qian, Sun, Huabin, Blaikie, Chula, Caporale, Chiara, Manzhos, Sergei, Feron, Krishna, MacLeod, Jennifer M., Massi, Massimiliano, Bottle, Steven E., Bell, John, Noh, Yong-Young and Sonar, Prashant. 2018. "Correction: Naphthalene flanked diketopyrrolopyrrole based organic semiconductors for high performance organic field effect transistors (New Journal of Chemistry (2018) 42 (12374–12385) DOI: 10.1039/C8NJ01453A)." New Journal of Chemistry: a journal for new directions in chemistry. 42 (19), p. 16384. https://doi.org/10.1039/C8NJ90083C
Benefit assessment of battery plus solar for customers and the grid
Boulaire, Fanny, Narimani, Afsaneh, Bell, John, Drogemuller, Robin, Vine, Desley, Buys, Laurie and Walker, Geoffrey. 2019. "Benefit assessment of battery plus solar for customers and the grid." Energy Strategy Reviews. 26. https://doi.org/10.1016/j.esr.2019.100372
Atypical defect motions in brittle layered sodium titanate nanowires
Bo, Arixin, Chen, Kai, Pickering, Edmund, Zhan, Haifei, Bell, John, Du, Aijun, Zhang, Yongqiang, Wang, Xiaoguang, Zhu, Huaiyong, Shan, Zhiwei and Gu, Yuantong. 2018. "Atypical defect motions in brittle layered sodium titanate nanowires." Journal of Physical Chemistry Letters. 9 (20), pp. 6052-6059. https://doi.org/10.1021/acs.jpclett.8b02349
Building energy optimisation under uncertainty using ACOMV algorithm
Bamdad, Keivan, Cholette, Michael E, Guan, Lisa and Bell, John. 2018. "Building energy optimisation under uncertainty using ACOMV algorithm." Energy and Buildings. 167, pp. 322-333. https://doi.org/10.1016/j.enbuild.2018.02.053
Ant colony algorithm for building energy optimisation problems and comparison with benchmark algorithms
Bamdad, Keivan, Cholette, Michael E, Guan, Lisa and Bell, John. 2017. "Ant colony algorithm for building energy optimisation problems and comparison with benchmark algorithms." Energy and Buildings. 154, pp. 404-414. https://doi.org/10.1016/j.enbuild.2017.08.071
Low hysteresis perovskite solar cells using an electron-beam evaporated WO3-x thin film as the electron transport layer
Ali, Fawad, Pham, Ngoc Duy, Fan, Lijuan, Tiong, Vincent, Ostrikov, Ken, Bell, John M., Wang, Hongxia and Tesfamichael, Tuquabo. 2019. "Low hysteresis perovskite solar cells using an electron-beam evaporated WO3-x thin film as the electron transport layer." ACS Applied Energy Materials. 2 (8), pp. 5456-5464. https://doi.org/10.1021/acsaem.9b00547
Tuning the amount of oxygen vacancies in sputter-deposited SnOx films for enhancing the performance of perovskite solar cells
Ali, Fawad, Pham, Ngoc Duy, Bradford, H. Jonathan, Khoshsirat, Nima, Ostrikov, Ken, Bell, John M, Wang, Hongxia and Tesfamichael, Tuquabo. 2018. "Tuning the amount of oxygen vacancies in sputter-deposited SnOx films for enhancing the performance of perovskite solar cells." ChemSusChem: chemistry and sustainability, energy and materials. 11 (18), pp. 3096-3103. https://doi.org/10.1002/cssc.201801541
Stretchable respiration sensors: Advanced designs and multifunctional platforms for wearable physiological monitoring
Dinh, Toan, Nguyen, Thanh, Phan, Hoang-Phuong, Nguyen, Nam-Trung, Dao, Dzung Viet and Bell, John. 2020. "Stretchable respiration sensors: Advanced designs and multifunctional platforms for wearable physiological monitoring." Biosensors and Bioelectronics. 166. https://doi.org/10.1016/j.bios.2020.112460
Investigation on Temperature-Dependent Electrical Conductivity of Carbon Nanotube/Epoxy Composites for Sustainable Energy Applications
Njuguna, Michael K., Galpaya, Dilini, Yan, Cheng, Colwell, Colwell, Will, Geoffrey, Hu, Ning, Yarlagadda, Prasad and Bell, John M.. 2015. "Investigation on Temperature-Dependent Electrical Conductivity of Carbon Nanotube/Epoxy Composites for Sustainable Energy Applications." Journal of Nanoscience and Nanotechnology. 15 (9), pp. 6957-6964. https://doi.org/10.1166/jnn.2015.10514
Ethanol sensitivity of thermally evaporated nanostructured WO3 thin films doped and implanted with Fe
Ahsan, M., Ahmad, M. Z., Tesfamichael, T., Bell, J. and Yarlagadda, Prasad K. D. V.. 2013. "Ethanol sensitivity of thermally evaporated nanostructured WO3 thin films doped and implanted with Fe." 2nd International Conference on Measurement, Instrumentation and Automation (ICMIA 2013). China 23 - 24 Apr 2013 Scientific.Net. https://doi.org/10.4028/www.scientific.net/AMM.333-335.1938