REFERENCES
1. VahidMohammadi, A.; Rosen, J.; Gogotsi, Y. The world of two-dimensional carbides and nitrides (MXenes). Science 2021, 372, eabf1581.
2. Wang, D.; Zhou, C.; Filatov, A. S.; et al. Direct synthesis and chemical vapor deposition of 2D carbide and nitride MXenes. Science 2023, 379, 1242-7.
3. Lim, K. R. G.; Shekhirev, M.; Wyatt, B. C.; Anasori, B.; Gogotsi, Y.; Seh, Z. W. Fundamentals of MXene synthesis. Nat. Synth. 2022, 1, 601-14.
4. Liu, J.; Cao, H.; Jiang, B.; Xue, Y.; Fu, L. Newborn 2D materials for flexible energy conversion and storage. Sci. China. Mater. 2016, 59, 459-74.
5. Chen, X.; Paul, R.; Dai, L. Carbon-based supercapacitors for efficient energy storage. Natl. Sci. Rev. 2017, 4, 453-89.
6. Hu, M.; Dai, J.; Chen, L.; et al. Selectivity for intercalated ions in MXene toward a high-performance capacitive electrode. Sci. China. Mater. 2023, 66, 974-81.
7. Kajiyama, S.; Szabova, L.; Iinuma, H.; et al. Enhanced Li‐ion accessibility in MXene titanium carbide by steric chloride termination. Adv. Energy. Mater. 2017, 7, 1601873.
8. Li, M.; Li, X.; Qin, G.; et al. Halogenated Ti3C2 MXenes with electrochemically active terminals for high-performance zinc ion batteries. ACS. Nano. 2021, 15, 1077-85.
9. Zheng, C.; Yao, Y.; Rui, X.; et al. Functional MXene-based materials for next-generation rechargeable batteries. Adv. Mater. 2022, 34, e2204988.
10. Ghidiu, M.; Lukatskaya, M. R.; Zhao, M. Q.; Gogotsi, Y.; Barsoum, M. W. Conductive two-dimensional titanium carbide ‘clay’ with high volumetric capacitance. Nature 2014, 516, 78-81.
11. Dall’agnese, Y.; Lukatskaya, M. R.; Cook, K. M.; Taberna, P.; Gogotsi, Y.; Simon, P. High capacitance of surface-modified 2D titanium carbide in acidic electrolyte. Electrochem. Commun. 2014, 48, 118-22.
12. Zhang, P.; Shou, H.; Xia, Y.; et al. X-ray insights into formation of -O functional groups on MXenes: two-step dehydrogenation of adsorbed water. Nano. Lett. 2023, 23, 1401-8.
13. Li, Y.; Shao, H.; Lin, Z.; et al. A general Lewis acidic etching route for preparing MXenes with enhanced electrochemical performance in non-aqueous electrolyte. Nat. Mater. 2020, 19, 894-9.
14. Li, M.; Lu, J.; Luo, K.; et al. Element replacement approach by reaction with Lewis acidic molten salts to synthesize nanolaminated MAX phases and MXenes. J. Am. Chem. Soc. 2019, 141, 4730-7.
15. Shen, M.; Jiang, W.; Liang, K.; et al. One-pot green process to synthesize MXene with controllable surface terminations using molten salts. Angew. Chem. Int. Ed. Engl. 2021, 60, 27013-8.
16. Kamysbayev, V.; Filatov, A. S.; Hu, H.; et al. Covalent surface modifications and superconductivity of two-dimensional metal carbide MXenes. Science 2020, 369, 979-83.
17. Jawaid, A.; Hassan, A.; Neher, G.; et al. Halogen etch of Ti3AlC2 MAX phase for MXene fabrication. ACS. Nano. 2021, 15, 2771-7.
18. Li, T.; Yao, L.; Liu, Q.; et al. Fluorine-free synthesis of high-purity Ti3C2Tx (T=OH, O) via alkali treatment. Angew. Chem. Int. Ed. Engl. 2018, 57, 6115-9.
19. Chen, X.; Zhu, Y.; Zhang, M.; et al. N-butyllithium-treated Ti3C2Tx MXene with excellent pseudocapacitor performance. ACS. Nano. 2019, 13, 9449-56.
20. Lukatskaya, M. R.; Bak, S.; Yu, X.; Yang, X.; Barsoum, M. W.; Gogotsi, Y. Probing the mechanism of high capacitance in 2D titanium carbide using in situ X‐ray absorption spectroscopy. Adv. Energy. Mater. 2015, 5, 1500589.
21. Zhan, C.; Naguib, M.; Lukatskaya, M.; Kent, P. R. C.; Gogotsi, Y.; Jiang, D. E. Understanding the MXene pseudocapacitance. J. Phys. Chem. Lett. 2018, 9, 1223-8.
22. Jing, C.; Tao, S.; Fu, B.; et al. Layered double hydroxide-based nanomaterials for supercapacitors and batteries: strategies and mechanisms. Prog. Mater. Sci. 2025, 150, 101410.
23. Gan, J.; Li, F.; Tang, Y.; Tang, Q. Theoretical study of transition-metal-modified Mo2CO2 MXene as a catalyst for the hydrogen evolution reaction. ChemSusChem 2020, 13, 6005-15.
24. Zhang, J. J.; Dong, S. Superconductivity of monolayer Mo2C: the key role of functional groups. J. Chem. Phys. 2017, 146, 034705.
25. Shimada, T.; Takenaka, N.; Ando, Y.; Otani, M.; Okubo, M.; Yamada, A. Relationship between electric double-layer structure of MXene electrode and its surface functional groups. Chem. Mater. 2022, 34, 2069-75.
26. Wang, C.; Shou, H.; Chen, S.; et al. HCl-based hydrothermal etching strategy toward fluoride-free MXenes. Adv. Mater. 2021, 33, e2101015.
27. Kotmool, K.; Kaewmaraya, T.; Hussain, T.; Ahuja, R.; Luo, W.; Bovornratanaraks, T. Biaxial stress and functional groups (T = O, F, and Cl) tuning the structural, mechanical, and electronic properties of monolayer molybdenum carbide. Phys. Chem. Chem. Phys. 2022, 24, 17862-9.
28. Zhan, C.; Neal, J.; Wu, J.; Jiang, D. Quantum effects on the capacitance of graphene-based electrodes. J. Phys. Chem. C. 2015, 119, 22297-303.
29. Zhan, C.; Jiang, D. E. Contribution of dielectric screening to the total capacitance of few-layer graphene electrodes. J. Phys. Chem. Lett. 2016, 7, 789-94.
