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Sun Q, Song Z, Du J, Yao A, Liu L, He W, Hassan SU, Guan J, Liu J. Covalent Organic Framework Membranes with Regulated Orientation for Monovalent Cation Sieving. ACS NANO 2024; 18:27065-27076. [PMID: 39308162 DOI: 10.1021/acsnano.4c10558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/02/2024]
Abstract
Continuous covalent organic framework (COF) thin membranes have garnered broad concern over the past few years due to their merits of low energy requirements, operational simplicity, ecofriendliness, and high separation efficiency in the application process. This study marks the first instance of fabricating two distinct, self-supporting COF membranes from identical building blocks through solvent modulation. Notably, the precision of the COF membrane's separation capabilities is substantially enhanced by altering the pore alignment from a random to a vertical orientation. Within these confined channels, the membrane with vertically aligned pores and micron-scale stacking thickness demonstrates rapid and selective transportation of Li+ ions over Na+ and K+ ions, achieving Li+/K+ and Li+/Na+ selectivity ratios of 38.7 and 7.2, respectively. This research not only reveals regulated orientation and layer stacking in COF membranes via strategic solvent selection but also offers a potent approach for developing membranes specialized in Li+ ion separation.
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Affiliation(s)
- Qian Sun
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Ziye Song
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Jingcheng Du
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Ayan Yao
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Linghao Liu
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Wen He
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Shabi Ul Hassan
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Jian Guan
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Jiangtao Liu
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
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Li J, Shi Y, Qi C, Zhang B, Xing X, Li Y, Chen T, Mao X, Zuo Z, Zhao X, Pan Z, Li L, Yang X, Li C. Charging Metal-Organic Framework Membranes by Incorporating Crown Ethers to Capture Cations for Ion Sieving. Angew Chem Int Ed Engl 2023; 62:e202309918. [PMID: 37583031 DOI: 10.1002/anie.202309918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/14/2023] [Accepted: 08/15/2023] [Indexed: 08/17/2023]
Abstract
Protein channels on the biofilm conditionally manipulate ion transport via regulating the distribution of charge residues, making analogous processes on artificial membranes a hot spot and challenge. Here, we employ metal-organic frameworks (MOFs) membrane with charge-adjustable subnano-channel to selectively govern ion transport. Various valent ions are binded with crown ethers embedded in the MOF cavity, which act as charged guest to regulate the channels' charge state from the negativity to positivity. Compared with the negatively charged channel, the positive counterpart obviously enhances Li+ /Mg2+ selectivity, which benefit from the reinforcement of the electrostatic repulsion between ions and the channel. Meanwhile, theoretical calculations reveal that Mg2+ transport through the more positively charged channel needed to overcome higher entrance energy barrier than that of Li+ . This work provides a subtle strategy for ion-selective transport upon regulating the charge state of insulating membrane, which paves the way for the application like seawater desalination and lithium extraction from salt lakes.
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Affiliation(s)
- Jiang Li
- Department of Anesthesiology and Perioperative medicine, Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, 200434, P. R. China
- School of Materials Science and Engineering, School of Water and Environment, Chang'an University, Xian, 710062, P. R. China
| | - Yayun Shi
- State Key Laboratory of Clean and Efficient Coal Utilization, Taiyuan University of Technology, Taiyuan, 030024, P. R. China
| | - Chenyang Qi
- School of Materials Science and Engineering, Tongji University, Shanghai, 201804, P. R. China
| | - Bowen Zhang
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Xiwen Xing
- Department of Biotechnology, College of Life Science and Technology, Jinan University, Guangzhou, 510632, P. R. China
| | - Yuliang Li
- School of Materials Science and Engineering, School of Water and Environment, Chang'an University, Xian, 710062, P. R. China
| | - Tongdan Chen
- School of Materials Science and Engineering, School of Water and Environment, Chang'an University, Xian, 710062, P. R. China
| | - Xingnuo Mao
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Zhijun Zuo
- State Key Laboratory of Clean and Efficient Coal Utilization, Taiyuan University of Technology, Taiyuan, 030024, P. R. China
| | - Xiaoli Zhao
- School of Materials Science and Engineering, Tongji University, Shanghai, 201804, P. R. China
| | - Zhenghui Pan
- School of Materials Science and Engineering, Tongji University, Shanghai, 201804, P. R. China
| | - Libo Li
- State Key Laboratory of Clean and Efficient Coal Utilization, Taiyuan University of Technology, Taiyuan, 030024, P. R. China
| | - Xiaowei Yang
- Department of Anesthesiology and Perioperative medicine, Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, 200434, P. R. China
- School of Materials Science and Engineering, Tongji University, Shanghai, 201804, P. R. China
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Cheng Li
- Department of Anesthesiology and Perioperative medicine, Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, 200434, P. R. China
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Dao NT, Khrustalev VN, Polyakova EI, Le AT. Synthesis and Biological Evaluation of Azacrownophanes Containing Tetrahydropyridine or Piperidone Subunits. ChemistrySelect 2022. [DOI: 10.1002/slct.202204392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Nhung T. Dao
- Faculty of Chemistry VNU University of Science Vietnam National University Hanoi 334 Nguyen Trai Street, Thanh Xuan Ha Noi 100000 Vietnam
| | - Victor N. Khrustalev
- Peoples Friendship University of Russia (RUDN University) 117198 Moscow Russian Federation
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences 119991 Moscow Russian Federation
| | - Elena I. Polyakova
- Peoples Friendship University of Russia (RUDN University) 117198 Moscow Russian Federation
| | - Anh T. Le
- Faculty of Chemistry VNU University of Science Vietnam National University Hanoi 334 Nguyen Trai Street, Thanh Xuan Ha Noi 100000 Vietnam
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Tang C, Yaroshchuk A, Bruening ML. Ion Separations Based on Spontaneously Arising Streaming Potentials in Rotating Isoporous Membranes. MEMBRANES 2022; 12:membranes12060631. [PMID: 35736338 PMCID: PMC9227078 DOI: 10.3390/membranes12060631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/10/2022] [Accepted: 06/13/2022] [Indexed: 11/23/2022]
Abstract
Highly selective ion separations are vital for producing pure salts, and membrane-based separations are promising alternatives to conventional ion-separation techniques. Our previous work demonstrated that simple pressure-driven flow through negatively charged isoporous membranes can separate Li+ and K+ with selectivities as high as 70 in dilute solutions. The separation mechanism relies on spontaneously arising streaming potentials that induce electromigration, which opposes advection and separates cations based on differences in their electrophoretic mobilities. Although the separation technique is simple, this work shows that high selectivities are possible only with careful consideration of experimental conditions including transmembrane pressure, solution ionic strength, the K+/Li+ ratio in the feed, and the extent of concentration polarization. Separations conducted with a rotating membrane show Li+/K+ selectivities as high as 150 with a 1000 rpm membrane rotation rate, but the selectivity decreases to 1.3 at 95 rpm. These results demonstrate the benefits and necessity of quantitative control of concentration polarization in highly selective separations. Increases in solution ionic strength or the K+/Li+ feed ratio can also decrease selectivities more than an order of magnitude.
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Affiliation(s)
- Chao Tang
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, IN 46656, USA;
| | - Andriy Yaroshchuk
- ICREA, pg.L.Companys 23, 08010 Barcelona, Spain;
- Polytechnic University of Catalonia, Av. Diagonal 647, 08028 Barcelona, Spain
| | - Merlin L. Bruening
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, IN 46656, USA;
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
- Correspondence:
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Zhang H, Li X, Hou J, Jiang L, Wang H. Angstrom-scale ion channels towards single-ion selectivity. Chem Soc Rev 2022; 51:2224-2254. [PMID: 35225300 DOI: 10.1039/d1cs00582k] [Citation(s) in RCA: 62] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Artificial ion channels with ion permeability and selectivity comparable to their biological counterparts are highly desired for efficient separation, biosensing, and energy conversion technologies. In the past two decades, both nanoscale and sub-nanoscale ion channels have been successfully fabricated to mimic biological ion channels. Although nanoscale ion channels have achieved intelligent gating and rectification properties, they cannot realize high ion selectivity, especially single-ion selectivity. Artificial angstrom-sized ion channels with narrow pore sizes <1 nm and well-defined pore structures mimicking biological channels have accomplished high ion conductivity and single-ion selectivity. This review comprehensively summarizes the research progress in the rational design and synthesis of artificial subnanometer-sized ion channels with zero-dimensional to three-dimensional pore structures. Then we discuss cation/anion, mono-/di-valent cation, mono-/di-valent anion, and single-ion selectivities of the synthetic ion channels and highlight their potential applications in high-efficiency ion separation, energy conversion, and biological therapeutics. The gaps of single-ion selectivity between artificial and natural channels and the connections between ion selectivity and permeability of synthetic ion channels are covered. Finally, the challenges that need to be addressed in this research field and the perspective of angstrom-scale ion channels are discussed.
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Affiliation(s)
- Huacheng Zhang
- Chemical and Environmental Engineering, School of Engineering, RMIT University, Melbourne, Victoria 3000, Australia.
| | - Xingya Li
- Department of Applied Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, P. R. China.
| | - Jue Hou
- Manufacturing, CSIRO, Clayton, Victoria 3168, Australia
| | - Lei Jiang
- Department of Chemical Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Huanting Wang
- Department of Chemical Engineering, Monash University, Clayton, Victoria 3800, Australia
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Abstract
Lithium is the principal component of high-energy-density batteries and is a critical material necessary for the economy and security of the United States. Brines from geothermal power production have been identified as a potential domestic source of lithium; however, lithium-rich geothermal brines are characterized by complex chemistry, high salinity, and high temperatures, which pose unique challenges for economic lithium extraction. The purpose of this paper is to examine and analyze direct lithium extraction technology in the context of developing sustainable lithium production from geothermal brines. In this paper, we are focused on the challenges of applying direct lithium extraction technology to geothermal brines; however, applications to other brines (such as coproduced brines from oil wells) are considered. The most technologically advanced approach for direct lithium extraction from geothermal brines is adsorption of lithium using inorganic sorbents. Other separation processes include extraction using solvents, sorption on organic resin and polymer materials, chemical precipitation, and membrane-dependent processes. The Salton Sea geothermal field in California has been identified as the most significant lithium brine resource in the US and past and present efforts to extract lithium and other minerals from Salton Sea brines were evaluated. Extraction of lithium with inorganic molecular sieve ion-exchange sorbents appears to offer the most immediate pathway for the development of economic lithium extraction and recovery from Salton Sea brines. Other promising technologies are still in early development, but may one day offer a second generation of methods for direct, selective lithium extraction. Initial studies have demonstrated that lithium extraction and recovery from geothermal brines are technically feasible, but challenges still remain in developing an economically and environmentally sustainable process at scale.
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Warnock SJ, Sujanani R, Zofchak ES, Zhao S, Dilenschneider TJ, Hanson KG, Mukherjee S, Ganesan V, Freeman BD, Abu-Omar MM, Bates CM. Engineering Li/Na selectivity in 12-Crown-4-functionalized polymer membranes. Proc Natl Acad Sci U S A 2021; 118:e2022197118. [PMID: 34493651 PMCID: PMC8449368 DOI: 10.1073/pnas.2022197118] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Lithium is widely used in contemporary energy applications, but its isolation from natural reserves is plagued by time-consuming and costly processes. While polymer membranes could, in principle, circumvent these challenges by efficiently extracting lithium from aqueous solutions, they usually exhibit poor ion-specific selectivity. Toward this end, we have incorporated host-guest interactions into a tunable polynorbornene network by copolymerizing 1) 12-crown-4 ligands to impart ion selectivity, 2) poly(ethylene oxide) side chains to control water content, and 3) a crosslinker to form robust solids at room temperature. Single salt transport measurements indicate these materials exhibit unprecedented reverse permeability selectivity (∼2.3) for LiCl over NaCl-the highest documented to date for a dense, water-swollen polymer. As demonstrated by molecular dynamics simulations, this behavior originates from the ability of 12-crown-4 to bind Na+ ions more strongly than Li+ in an aqueous environment, which reduces Na+ mobility (relative to Li+) and offsets the increase in Na+ solubility due to binding with crown ethers. Under mixed salt conditions, 12-crown-4 functionalized membranes showed identical solubility selectivity relative to single salt conditions; however, the permeability and diffusivity selectivity of LiCl over NaCl decreased, presumably due to flux coupling. These results reveal insights for designing advanced membranes with solute-specific selectivity by utilizing host-guest interactions.
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Affiliation(s)
- Samuel J Warnock
- Materials Department, University of California, Santa Barbara, CA 93106
| | - Rahul Sujanani
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, TX 78712
| | - Everett S Zofchak
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, TX 78712
| | - Shou Zhao
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, CA 93106
| | | | - Kalin G Hanson
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, CA 93106
| | - Sanjoy Mukherjee
- Materials Research Laboratory, University of California, Santa Barbara, CA 93106
| | - Venkat Ganesan
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, TX 78712;
| | - Benny D Freeman
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, TX 78712;
| | - Mahdi M Abu-Omar
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, CA 93106;
- Department of Chemical Engineering, University of California, Santa Barbara, CA 93106
| | - Christopher M Bates
- Materials Department, University of California, Santa Barbara, CA 93106;
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, CA 93106
- Materials Research Laboratory, University of California, Santa Barbara, CA 93106
- Department of Chemical Engineering, University of California, Santa Barbara, CA 93106
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Crown ether functionalized polysulfone membrane coupling with electric field for Li+selective separation. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.05.041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Cheng Q, Zhang Y, Zheng X, Sun W, Li B, Wang D, Li Z. High specific surface crown ether modified chitosan nanofiber membrane by low-temperature phase separation for efficient selective adsorption of lithium. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118312] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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