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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.4
- 수록면
- 112 - 123 (12page)
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초록· 키워드
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Molybdenum disulfide (MoS₂) has become an attractive faradic material for capacitive deionization (CDI) process, but it still suffers from several drawbacks, such as low electrical conductivity, inferior hydrophilicity and easy restacking. Hence, we integrated MoS₂ with high nitrogen content carbonized polyaniline (MoS₂/CP) as intercalation cathode for CDI. The disordered entanglement between MoS₂ and CP nanosheets enlarged interlayer spacing, improved pore structure and surface area which can provide multiple charge transfer routes and endow more embedding sites to storage Na<SUP>+</SUP>. The Mo-N-C bonds improve the electrical conductivity and wettability to facilitate ions diffusion process as well as ensure the cyclic stability of composites electrode. Moreover, the charge transfer between Na+ and N-containing functional groups is beneficial to forming pseudo-capacitance. Accordingly, the MoS₂/CP electrode possess a large specific capacitance of 99.1 F g<SUP>-1</SUP> at 5 mV s<SUP>-1</SUP>, which is 36% higher than MoS₂. The hybrid cell AC//MC-2 delivers a remarkable desalination capacity (29.14 mg g<SUP>-1</SUP>), a rapid desalination rate (2.9 mg g<SUP>-1</SUP> min<SUP>-1</SUP>) and favorable cyclic durability at 1.2 V in 500 mg L<SUP>-1</SUP> NaCl solution. The superior desalination performance of MoS₂/CP electrode was evaluated based on a capacitance-controlled contribution of 85.8% and a diffusion-controlled contribution of 14.2%.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and discussion
4. Conclusions
References
참고문헌 (54)
참고문헌 신청
Mi M, Liu X, Kong W, Ge Y, Dang W, Hu J. Hierarchical composite of N-doped carbon sphere and holey graphene hydrogel for high-performance capacitive deionization. Desalination 2019;464:18-24. https://doi.org/10.1016/j.desal.2019.04.014.
Qin M, Deshmukh A, Epsztein R, Patel SK, Owoseni OM, Walker WS, Elimelech M. Comparison of energy consumption in desalination by capacitive deionization and reverse osmosis. Desalination 2019;455:100-114. https://doi.org/10.1016/j.desal.2019.03.016.
Xue Y, Du X, Ge Z, Yang L. Study on multi-effect distillation of seawater with low-grade heat utilization of thermal power generating unit. Appl. Therm. Eng. 2018;141:589-599. https://doi.org/10.1016/j.applthermaleng.2018.05.129.
Al-Amshawee S, Yunus MYBM, Azoddein AAM, Hassell DG, Dakhil IH, Hasan HA. Electrodialysis desalination for water and wastewater: A review. Chem. Eng. J. 2020;380:122231. https://doi.org/10.1016/j.cej.2019.122231.
Tikhonov NA, Tokmachev MG, Bakhia T, Khamizov RK. Modeling the process of capacitive deionization of solutions at supposing complex structure of the pores of the electrodes. J. Math. Chem. 2021;59:1054-1067. https://doi.org/10.1007/s10910-021-01226-6.
Qin M, Deshmukh A, Epsztein R, Patel SK, Owoseni OM, Walker WS, Elimelech M. Comparison of energy consumption in desalination by capacitive deionization and reverse osmosis. Desalination 2019;455:100-114. https://doi.org/10.1016/j.desal.2019.03.016.
Xue Y, Du X, Ge Z, Yang L. Study on multi-effect distillation of seawater with low-grade heat utilization of thermal power generating unit. Appl. Therm. Eng. 2018;141:589-599. https://doi.org/10.1016/j.applthermaleng.2018.05.129.
Al-Amshawee S, Yunus MYBM, Azoddein AAM, Hassell DG, Dakhil IH, Hasan HA. Electrodialysis desalination for water and wastewater: A review. Chem. Eng. J. 2020;380:122231. https://doi.org/10.1016/j.cej.2019.122231.
Tikhonov NA, Tokmachev MG, Bakhia T, Khamizov RK. Modeling the process of capacitive deionization of solutions at supposing complex structure of the pores of the electrodes. J. Math. Chem. 2021;59:1054-1067. https://doi.org/10.1007/s10910-021-01226-6.
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