Synthesis and adsorption properties of H4Ti5O12@CNT ion sieves

Yuyu Gao; Jin Chen; Suihong Chu; Bo Yang; Lu Zheng; Min Liu

doi:10.1002/bkcs.12775

journal article Jul 31, 2023

Synthesis and adsorption properties of H4Ti5O12@CNT ion sieves

Yuyu Gao

Jin Chen

Suihong Chu Bo Yang

Lu Zheng

Min Liu

Bulletin of the Korean Chemical Society Vol. 44 No. 11 pp. 943-951 · Wiley

View at Publisher Save 10.1002/bkcs.12775

Abstract

AbstractIn this study, H4Ti5O12@CNT ion sieves with an encapsulated structure were fabricated by combining pretreated carbon nanotubes (CNTs) as a template and carbon source, C16H36O4Ti as a titanium source, and CH3COOLi as a lithium source. By characterizing and analyzing the pretreated and untreated CNTs, numerous COOH and OH functional groups were introduced into the pretreated CNTs, which improved their dispersion in aqueous solutions and ethanol and facilitated the adsorption of lithium ions. The ion sieves prepared with the precursor roasted at 700 °C showed the best adsorption performance. Moreover, the structural integrity of the ion sieves was not affected by acid washing. For the first adsorption cycle, the ion sieves had a lithium‐ion saturated adsorption capacity of 32.32 mg/g. After five adsorption–desorption cycles, the adsorption capacity only decreased by 5.1% to 30.68 mg/g, which shows that they had good cycling stability.

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Details

Published: Jul 31, 2023
Vol/Issue: 44(11)
Pages: 943-951
License: View

Authors

Y

Yuyu Gao

College of Material Science and Engineering Xi'an University of Science and Technology Xi'an China

J

Jin Chen

College of Material Science and Engineering Xi'an University of Science and Technology Xi'an China

S

Suihong Chu

LESSO, Shanxi Liansu Technology Co. Xianyang China

B

Bo Yang

LESSO, Shanxi Liansu Technology Co. Xianyang China

L

Lu Zheng

College of Material Science and Engineering Xi'an University of Science and Technology Xi'an China

M

Min Liu

College of Material Science and Engineering Xi'an University of Science and Technology Xi'an China

Cite This Article

Yuyu Gao, Jin Chen, Suihong Chu, et al. (2023). Synthesis and adsorption properties of H4Ti5O12@CNT ion sieves. Bulletin of the Korean Chemical Society, 44(11), 943-951. https://doi.org/10.1002/bkcs.12775

Synthesis and adsorption properties of H4Ti5O12@CNT ion sieves

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