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Fu, Lin; Teng, Yunfei; Liu, Pei; Xin, Weiwen; Qian, Yongchao; Yang, Linsen; Lin, Xiangbin; Hu, Yuhao; Kong, Xiang-Yu; Jiang, Lei; Wen, Liping
Chemical engineering journal (Lausanne, Switzerland : 1996), 05/2022, Letnik: 435Journal Article
•The EIPATS exhibits controlled and expedited ionic directional pumping transport properties.•The PSR mechanism combining the ion intercalation/deintercalation processes effectively improve the extraction efficiency.•The EIPATS contributed Li+/Na+, Li+/K+, and Li+/Mg2+ selectivity up to 242, 870, and 5032 in mixed solution.•The EIPATS displays a high Li-ion flux to 238% of that of no ion-pumping-assisted process. Enormous demand and limited resources enable Li-ions extraction as emerging research. Herein, we demonstrate how coupled voltage facilitates lithium-selective extraction across a heterogeneous membrane consisting of a glass-type ceramic electrolyte membrane and a stable conductive composite layer. A cell voltage that directs the one-way selective permeation of Li ions is coupled with a pulse voltage that is applied to the conductive layer to accelerate the transmembrane transport of Li ions. This leads to a high Li-ion flux of 124 mmol m−2h−1, which is enhanced to 238% of the flux of no ion-pumping-assisted process. The proposed electrochemical ion-pumping-assisted transfer system (EIPATS) exhibits an excellent ability to extract Li ions from a mixed electrolyte solution, achieving Li+/Na+, Li+/K+, and Li+/Mg2+ selectivity ratios of 242, 870, and 5032, respectively. The proposed EIPATS featuring a heterogeneous membrane anticipates wide potentials in sustainable resource recovery.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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