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Chen C, Wu X, Chen J, Liu S, Wang Y, Wu W, Zhang J, Wang J, Jiang Z. Built-in Electric Fields in Heterostructured Lamellar Membranes Enable Highly Efficient Rejection of Charged Mass. Angew Chem Int Ed Engl 2024; 63:e202406113. [PMID: 38687257 DOI: 10.1002/anie.202406113] [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: 03/30/2024] [Accepted: 04/29/2024] [Indexed: 05/02/2024]
Abstract
Separation membranes with homogeneous charge channels are the mainstream to reject charged mass by forming electrical double layer (EDL). However, the EDL often compresses effective solvent transport space and weakens channel-ion interaction. Here, built-in electric fields (BIEFs) are constructed in lamellar membranes by assembling the heterostructured nanosheets, which contain alternate positively-charged nanodomains and negatively-charged nanodomains. We demonstrate that the BIEFs are perpendicular to horizontal channel and the direction switches alternately, significantly weakening the EDL effect and forces ions to repeatedly collide with channel walls. Thus, highly efficient rejection for charged mass (salts, dyes, and organic acids/bases) and ultrafast water transport are achieved. Moreover, for desalination on four-stage filtration option, salt rejection reaches 99.9 % and water permeance reaches 19.2 L m-2 h-1 bar-1. Such mass transport behavior is quite different from that in homogeneous charge channels. Furthermore, the ion transport behavior in nanochannels is elucidated by validating horizontal projectile motion model.
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Affiliation(s)
- Chongchong Chen
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Xiaoli Wu
- Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou, 450003, China
| | - Jingjing Chen
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Siyu Liu
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Yongzheng Wang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Wenjia Wu
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Jie Zhang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Jingtao Wang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Zhongyi Jiang
- Key Laboratory for Green Chemical Technology of Ministry of Education, Tianjin University, School of Chemical Engineering and Technology, Tianjin, 300072, China
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2
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Ma S, Hao J, Hou Y, Zhao J, Lin C, Sui X. Confined amphipathic ionic-liquid regulated anodic aluminum oxide membranes with adjustable ion selectivity for improved osmotic energy conversion. J Colloid Interface Sci 2024; 653:1217-1224. [PMID: 37797497 DOI: 10.1016/j.jcis.2023.09.181] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/25/2023] [Accepted: 09/29/2023] [Indexed: 10/07/2023]
Abstract
To attain carbon neutrality and carbon peaking, there is an urgent need to convert the vast amount of blue energy present between seawater and river water into usable electricity. Reverse electrodialysis based on ion-exchange membranes is a promising way to efficiently achieve osmotic energy conversion. Anodic aluminum oxide (AAO) membranes are frequently used for osmotic energy harvesting because of their uniform nanopore channels, high flux, and excellent stability. However, the existing surface modification methods are complex and inefficient. In this study, an amphiphilic ionic liquid was selected to modify a porous anodic alumina membrane via simple capillary insertion. Due to the abundance of pH-dependent amphiphilic OH groups on the surface of AAO pore channels, the ionic liquids not only provide abundant surface charge but can also intelligently adjust its surface charge to different environments. In addition, it fills the AAO nanochannels to provide a continuous ion transport network. The modified hybrid membrane achieves efficient and stable osmotic energy conversion performance. This simple and feasible strategy paves the way for further improvements in commercial membranes.
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Affiliation(s)
- Shuhui Ma
- College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Jinlin Hao
- College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Yushuang Hou
- College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Jiawei Zhao
- College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Cuncai Lin
- College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Xin Sui
- College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China.
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3
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Zhang T, Ren B, Bai H, Wen T, Chen L, Ma S, Wang X, Wang S, Zhao Y. Subnanometer-scale control of channel height in two-dimensional montmorillonite membrane for ion separation. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2023.121573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
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Yao B, Hussain S, Ye Z, Peng X. Electrodeposited MOFs Membrane with In Situ Incorporation of Charged Molecules for Osmotic Energy Harvesting. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2207559. [PMID: 36725315 DOI: 10.1002/smll.202207559] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 01/12/2023] [Indexed: 05/04/2023]
Abstract
Ion-selective membranes are considered as the promising candidates for osmotic energy harvesting. However, the fabrication of highly perm-selective membrane is the major challenge. Metal-organic frameworks (MOFs) with well-defined nanochannels along functional charged groups show great importance to tackle this problem. Here, a series of dense sodium polystyrene sulfonate (PSS) incorporated MOFs composite membranes (PSS@MOFs) on a porous anodic aluminum oxide (AAO) membrane via in situ anodic electrodeposition process are developed. Benefiting to the novel structural design of the confined Ag layer, PSS@MOFs dense composite membrane with less defects formed. The sulfonated nanochannels of the PSS@MOFs composite membrane provided rapid and selective transport of cations due to the enhanced electrostatic interaction between the permeating ions and MOFs. While osmotic energy conversion, 860 nm thick negatively charged PSS@MOFs composite membrane achieves an ultrahigh cation transfer number of 0.993 and energy conversion efficiency of 48.8% at a 100-fold salinity gradient. Moreover, a large output power of 2.90 µW has been achieved with an ultra-low internal resistance of 999 Ω, employing an effective area of 12.56 mm2 . This work presents a promising strategy to construct a high-performance MOFs-based osmotic energy harvesting system for practical applications.
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Affiliation(s)
- Bing Yao
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, ERC of Membrane and Water Treatment, MOE, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Shabab Hussain
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, ERC of Membrane and Water Treatment, MOE, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Zhizhen Ye
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, ERC of Membrane and Water Treatment, MOE, Zhejiang University, Hangzhou, 310027, P. R. China
- Wenzhou Key Laboratory of Novel Optoelectronic and Nanomaterials, Institute of Wenzhou, Zhejiang University, Wenzhou, 325006, P. R. China
| | - Xinsheng Peng
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, ERC of Membrane and Water Treatment, MOE, Zhejiang University, Hangzhou, 310027, P. R. China
- Wenzhou Key Laboratory of Novel Optoelectronic and Nanomaterials, Institute of Wenzhou, Zhejiang University, Wenzhou, 325006, P. R. China
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Banuprasad TN, DasGupta S, Chakraborty S. Thermally Programmable Dynamic Capillarity in Nanofluidic Channels Grafted with Smart Elastomeric Layers. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2201691. [PMID: 36287095 DOI: 10.1002/smll.202201691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 09/26/2022] [Indexed: 06/16/2023]
Abstract
This work demonstrates thermally programmable dynamic capillarity in exclusively engineered nanochannels functionalized by grafted smart elastomeric layers onto their inner surfaces. Tunable control of the capillarity is observed over the temperature window of 25-31 °C, deciphering the possibility of a sevenfold alteration in the rate of capillary flow. A simple theory explains the confluence of viscous and capillary interactions as mediated by the non-trivial interplay of the substrate wettability, confinement-induced surface layering of molecules, and thermally activated modulation of surface tension, to bring out this intriguing effect. The technology is demonstrated to be completely reconfigurable over the intended spatial and temporal regimes, via selective grafting of the channel surface and preferential choice of the activation temperature. Such favorable features as opposed to more complex yet non-reconfigurable flow manipulation strategies previously reported are likely to open up new possibilities of highly precise controlled nanofluidic manipulation of temperature-sensitive biological samples and chemical species on-demand, for applications ranging from biomedical technologies to energy harvesting and water purification.
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Affiliation(s)
| | - Sunando DasGupta
- Department of Chemical Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Suman Chakraborty
- Department of Mechanical Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
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Design of metallic phase WS2/cellulose nanofibers composite membranes for light-boosted osmotic energy conversion. Carbohydr Polym 2022; 296:119847. [DOI: 10.1016/j.carbpol.2022.119847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 07/02/2022] [Accepted: 07/05/2022] [Indexed: 11/21/2022]
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Ma S, Hou Y, Hao J, Lin C, Zhao J, Sui X. Well-Defined Nanostructures by Block Copolymers and Mass Transport Applications in Energy Conversion. Polymers (Basel) 2022; 14:polym14214568. [PMID: 36365562 PMCID: PMC9655174 DOI: 10.3390/polym14214568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 10/24/2022] [Accepted: 10/25/2022] [Indexed: 11/27/2022] Open
Abstract
With the speedy progress in the research of nanomaterials, self-assembly technology has captured the high-profile interest of researchers because of its simplicity and ease of spontaneous formation of a stable ordered aggregation system. The self-assembly of block copolymers can be precisely regulated at the nanoscale to overcome the physical limits of conventional processing techniques. This bottom-up assembly strategy is simple, easy to control, and associated with high density and high order, which is of great significance for mass transportation through membrane materials. In this review, to investigate the regulation of block copolymer self-assembly structures, we systematically explored the factors that affect the self-assembly nanostructure. After discussing the formation of nanostructures of diverse block copolymers, this review highlights block copolymer-based mass transport membranes, which play the role of “energy enhancers” in concentration cells, fuel cells, and rechargeable batteries. We firmly believe that the introduction of block copolymers can facilitate the novel energy conversion to an entirely new plateau, and the research can inform a new generation of block copolymers for more promotion and improvement in new energy applications.
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Jia Z, Choi J, Lee S, Soper SA, Park S. Modifying surface charge density of thermoplastic nanofluidic biosensors by multivalent cations within the slip plane of the electric double layer. Colloids Surf A Physicochem Eng Asp 2022; 648:129147. [PMID: 36685784 PMCID: PMC9853209 DOI: 10.1016/j.colsurfa.2022.129147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Thermoplastic nanofluidic devices are promising platforms for sensing single biomolecules due to their mass fabrication capability. When the molecules are driven electrokinetically through nanofluidic networks, surface charges play a significant role in the molecular capture and transportation, especially when the thickness of the electrical double layer is close to the dimensions of the nanostructures in the device. Here, we used multivalent cations to alter the surface charge density of thermoplastic nanofluidic devices. The surface charge alteration was done by filling the device with a multivalent ionic solution, followed by withdrawal of the solution and replacing it with KCl for conductance measurement. A systematic study was performed using ionic solutions containing Mg2+ and Al3+ for nanochannels made of three polymers: poly(ethylene glycol) diacrylate (PEGDA), poly(methyl methacrylate) (PMMA) and cyclic olefin copolymer (COC). Overall, multivalent cations within the slip plane decreased the effective surface charge density of the device surface and the reduction rate increased with the cation valency, cation concentration and the surface charge density of thermoplastic substrates. We demonstrated that a 10-nm diameter in-plane nanopore formed in COC allowed translocation of λ-DNA molecules after Al3+ modification, which is attributed to the deceased viscous drag force in the nanopore by the decreased surface charge density. This work provides a general method to manipulate surface charge density of nanofluidic devices for biomolecule resistive pulse sensing. Additionally, the experimental results support ion-ion correlations as the origin of charge inversion over specific chemical adsorption.
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Affiliation(s)
- Zheng Jia
- Mechanical & Industrial Engineering Department, Louisiana State University, Baton Rouge, LA 70803, USA,Center for Bio-Modular Multiscale Systems for Precision Medicine (CBM2), USA
| | - Junseo Choi
- Mechanical & Industrial Engineering Department, Louisiana State University, Baton Rouge, LA 70803, USA,Center for Bio-Modular Multiscale Systems for Precision Medicine (CBM2), USA
| | - Sunggun Lee
- Mechanical & Industrial Engineering Department, Louisiana State University, Baton Rouge, LA 70803, USA,Center for Bio-Modular Multiscale Systems for Precision Medicine (CBM2), USA
| | - Steven A. Soper
- Department of Chemistry, University of Kansas, Lawrence, KS 66047, USA,Department of Kansas Biology and KUCC, University of Kansas Medical Center, Kansas City, KS 66160, USA,Center for Bio-Modular Multiscale Systems for Precision Medicine (CBM2), USA
| | - Sunggook Park
- Mechanical & Industrial Engineering Department, Louisiana State University, Baton Rouge, LA 70803, USA,Center for Bio-Modular Multiscale Systems for Precision Medicine (CBM2), USA,Correspondence to: Louisiana State University, Baton Rouge, LA 70803, USA. (S. Park)
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Pardehkhorram R, Andrieu-Brunsen A. Pushing the limits of nanopore transport performance by polymer functionalization. Chem Commun (Camb) 2022; 58:5188-5204. [PMID: 35394003 DOI: 10.1039/d2cc01164f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Inspired by the design and performance of biological pores, polymer functionalization of nanopores has emerged as an evolving field to advance transport performance within the last few years. This feature article outlines developments in nanopore functionalization and the resulting transport performance including gating based on electrostatic interaction, wettability and ligand binding, gradual transport controlled by polymerization as well as functionalization-based asymmetric nanopore and nanoporous material design going towards the transport direction. Pushing the limits of nanopore transport performance and thus reducing the performance gap between biological and technological pores is strongly related to advances in polymerization chemistry and their translation into nanopore functionalization. Thereby, the effect of the spatial confinement has to be considered for polymer functionalization as well as for transport regulation, and mechanistic understanding is strongly increased by combining experiment and theory. A full mechanistic understanding together with highly precise nanopore structure design and polymer functionalization is not only expected to improve existing application of nanoporous materials but also opens the door to new technologies. The latter might include out of equilibrium devices, ionic circuits, or machine learning based sensors.
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Affiliation(s)
- Raheleh Pardehkhorram
- Macromolecular Chemistry, Smart Membranes, Technical University of Darmstadt, 64287 Darmstadt, Germany.
| | - Annette Andrieu-Brunsen
- Macromolecular Chemistry, Smart Membranes, Technical University of Darmstadt, 64287 Darmstadt, Germany.
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Gao Z, Sun Z, Ahmad M, Liu Y, Wei H, Wang S, Jin Y. Increased ion transport and high-efficient osmotic energy conversion through aqueous stable graphitic carbon nitride/cellulose nanofiber composite membrane. Carbohydr Polym 2022; 280:119023. [PMID: 35027125 DOI: 10.1016/j.carbpol.2021.119023] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 11/29/2021] [Accepted: 12/13/2021] [Indexed: 01/24/2023]
Abstract
Increased attention has evoked on the utilization of renewable energy, particularly osmotic power as a potential solution to the energy crisis and environmental pollution. Herein, we fabricate graphitic carbon nitride (g-C3N4)/cellulose nanofiber (CNF) composite membranes with tailored lamellar nanochannels for capturing osmotic energy from salinity gradients. Composite membranes exhibiting charge-governed ion conductivity were prepared via co-homogenization of g-C3N4 with CNF and vacuum filtration. Ion conductivity was efficiently modulated by fine-tuning the charge density through controlling the weight content of CNF in the composite membranes. Higher ion conductivity of 0.014 S cm-1 at low concentrations (<10-2 M KCl) was achieved due to the increased charge density of the lamellar nanochannels and the excellent aqueous stability of the membranes. We demonstrate the potential of the composite membranes in nanofluidic osmotic energy conversion, displaying thermo-enhanced power output performance. This work could inspire new designs of cellulose-based nanofluidic devices for improved osmotic energy conversion.
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Affiliation(s)
- Zongxia Gao
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Zhe Sun
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Mehraj Ahmad
- Department of Food Science and Engineering, College of Light Industry and Food, Nanjing Forestry University, Nanjing 210037, China; Joint International Research Lab of Lignocellulosic Functional Materials and Provincial Key Lab of Pulp and Paper Sci & Tech, Nanjing Forestry University, Nanjing 210037, China
| | - Yuqian Liu
- Department of Food Science and Engineering, College of Light Industry and Food, Nanjing Forestry University, Nanjing 210037, China; Joint International Research Lab of Lignocellulosic Functional Materials and Provincial Key Lab of Pulp and Paper Sci & Tech, Nanjing Forestry University, Nanjing 210037, China
| | - Haiying Wei
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Sha Wang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China; International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
| | - Yongcan Jin
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China; International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
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Wang G, Chang J, Koul S, Kushima A, Yang Y. CO 2 Bubble-Assisted Pt Exposure in PtFeNi Porous Film for High-Performance Zinc-Air Battery. J Am Chem Soc 2021; 143:11595-11601. [PMID: 34269572 DOI: 10.1021/jacs.1c04339] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Fine-tuning the exposed active sites of platinum group metal (PGM)-based materials is an efficient way to improve their electrocatalytic performance toward large-scale applications in renewable energy devices such as Zn-air batteries (ZABs). However, traditional synthetic methods trade off durability for the high activity of PGM-based catalysts. Herein, a novel dynamic CO2-bubble template (DCBT) approach was established to electrochemically fine-tuning the exposed Pt active sites in PtFeNi (PFN) porous films (PFs). Particularly, CO2 bubbles were intentionally generated as gas-phase templates by methanol electrooxidation. The generation, adsorption, residing, and desorption of CO2 bubbles on the surface of PFN alloys were explored and controlled by adjusting the frequency of applied triangular-wave voltage. Thereby, the surface morphology and Pt exposure of PFN PFs were controllably regulated by tuning the surface coverage of CO2 bubbles. Consequently, the Pt1.1%Fe8.8%Ni PF with homogeneous nanoporous structure and sufficiently exposed Pt active sites was obtained, showing preeminent activities with a half-wave potential (E1/2) of 0.87 V and onset overpotential (ηonset) of 288 mV at 10 mA cm-2 for oxygen reduction and evolution reactions (ORR and OER), respectively, at an ultralow Pt loading of 0.01 mg cm-2. When tested in ZABs, a high power density of 175.0 mW cm-2 and a narrow voltage gap of 0.64 V were achieved for the long cycling tests over 500 h (750 cycles), indicating that the proposed approach can efficiently improve the activity of PGM catalysts by fine-tuning the microstructure without compromising the durability.
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Affiliation(s)
- Guanzhi Wang
- NanoScience Technology Center, University of Central Florida, Orlando, Florida 32826, United States.,Department of Materials Science and Engineering, University of Central Florida, Orlando, Florida 32826, United States
| | - Jinfa Chang
- NanoScience Technology Center, University of Central Florida, Orlando, Florida 32826, United States
| | - Supriya Koul
- Department of Materials Science and Engineering, University of Central Florida, Orlando, Florida 32826, United States.,Advanced Materials Processing and Analysis Center, University of Central Florida, Orlando, Florida 32826, United States
| | - Akihiro Kushima
- NanoScience Technology Center, University of Central Florida, Orlando, Florida 32826, United States.,Department of Materials Science and Engineering, University of Central Florida, Orlando, Florida 32826, United States.,Advanced Materials Processing and Analysis Center, University of Central Florida, Orlando, Florida 32826, United States
| | - Yang Yang
- NanoScience Technology Center, University of Central Florida, Orlando, Florida 32826, United States.,Department of Materials Science and Engineering, University of Central Florida, Orlando, Florida 32826, United States.,Department of Chemistry, University of Central Florida, Orlando, Florida 32826, United States.,Renewable Energy and Chemical Transformation Cluster, University of Central Florida, Orlando, Florida 32826, United States
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