期刊
CHEMICAL ENGINEERING JOURNAL
卷 407, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2020.127148
关键词
Hybrid capacitive deionization; MXene; NaTi2(PO4)(3); Nanohybrid; Water desalination
资金
- National Natural Science Foundation of China [21771064]
The design and synthesis of NTP/MXene nanohybrid with improved electrical conductivity and enhanced sodium-insertion ability led to extraordinary desalination performance, showing promising applications for practical HCDI with a maximum deionization rate of 29.6 mg g(-1) min(-1, an ultrahigh desalination capacity of 128.6 mg g(-1), and stable cycling desalination ability.
The exploration and design of high-performance sodium-ion insertion host materials is of great significance to the development of hybrid capacitive deionization (HCDI). NaTi2(PO4)(3), abbreviated as NTP, is famous for its high theoretical sodium-ion storage performance, but due to the poor electrical conductivity, its desalination capacity has been largely limited. Herein we report the design and synthesis of NTP/MXene (NTP/M) nanohybrid by the transformation of Ti3C2 MXene under solvothermal conditions. Due to its improved electrical conductivity and enhanced sodium-insertion ability with the introduction of MXene, the NTP/M nanohybrid shows an extraordinary desalination performance including a maximum deionization rate of 29.6 mg g(-1) min(-1), an ultrahigh desalination capacity of 128.6 mg g(-1) and a stable cycling desalination ability, suggesting the promising application for practical HCDI.
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