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Comparative study on electrosorptive behavior of NH4HF2-etched Ti3C2 and HF-etched Ti3C2 for capacitive deionization
Feng, Aihu; Yu, Yang; Mi, Le; Yu, Yun; Song, Lixin
2019-02-01
Source PublicationIONICS
ISSN0947-7047
Volume25Issue:2Pages:727
SubtypeArticle
AbstractIn this work, the MXene Ti3C2 with excellent electrical conductivity is obtained by etching Ti3AlC2 with NH4HF2 solution. The electrosorption performance, theelectrochemicalandphysicochemical properties of as-prepared Ti3C2 are characterized. The results demonstrate that NH4HF2-etched Ti3C2 possesses the better intercalation pseudo-capacity and the specific capacitance is up to 78F.g(-1), which is an increase of 34% than HF-etched Ti3C2. In addition, the desalination capacity of NH4HF2-etched Ti3C2 enhances 35.5% than that of HF-etched Ti3C2. When the initial conductivity of NaCl is similar to 1000S/cm, the desalination capacity of NH4HF2-etched Ti2C3 electrode is 12.1mg.g(-1), and the pseudo-first-order model can well describe the electrosorption kinetics of NH4HF2-etched Ti3C2 electrode. Furthermore, the regeneration performance of the NH4HF2-etched Ti3C2 electrode is excellent. This study indicates a new kind of effective electrode material to improve the desalination performance of capacitive deionization (CDI) technology.
KeywordTi3C2 NH4HF2 Desalination capacity CDI
DOI10.1007/s11581-018-2787-9
Language英语
WOS Research AreaChemistry ; Electrochemistry ; Physics
PublisherSPRINGER HEIDELBERG
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27363
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Feng, Aihu,Yu, Yang,Mi, Le,et al. Comparative study on electrosorptive behavior of NH4HF2-etched Ti3C2 and HF-etched Ti3C2 for capacitive deionization[J]. IONICS,2019,25(2):727.
APA Feng, Aihu,Yu, Yang,Mi, Le,Yu, Yun,&Song, Lixin.(2019).Comparative study on electrosorptive behavior of NH4HF2-etched Ti3C2 and HF-etched Ti3C2 for capacitive deionization.IONICS,25(2),727.
MLA Feng, Aihu,et al."Comparative study on electrosorptive behavior of NH4HF2-etched Ti3C2 and HF-etched Ti3C2 for capacitive deionization".IONICS 25.2(2019):727.
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