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Ionic Transport Membranes

A special issue of Materials (ISSN 1996-1944).

Deadline for manuscript submissions: 20 May 2025 | Viewed by 1551

Special Issue Editor


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Guest Editor
School of Chemical Engineering, Nanjing University of Technology, Nanjing 211899, China
Interests: membrane materials and processes: mainly involving inorganic advanced functional ceramics membranes and materials; membrane catalysis and advanced catalysts

Special Issue Information

Dear Colleagues,

We are pleased to announce a Special Issue entitled "Ionic Transport Membranes" in the journal Materials. As the demand for environmentally friendly, resource-efficient, and energy-sustainable technologies continues to expand, membrane-based technology has emerged as a clean, reliable, and affordable method of ion-selective separation, exhibiting great promise in addressing compelling issues in environmental-, resource-, and energy-related fields. This Special Issue aims to explore the state-of-the-art advancements and future developments in the field of ionic transport membranes for various applications, including the following:

  1. Fuel cells;
  2. Water purification;
  3. Gas separation;
  4. Electrolysis;
  5. Batteries;
  6. Dialysis;
  7. Sensing technology.

The Special Issue seeks contributions from esteemed researchers and experts in the field in order to elucidate various aspects of ionic transport membranes. We welcome both original research papers and comprehensive reviews addressing membranes crafted from diverse materials, such as polymers, ceramics, liquid, metals or hybrid compositions, and topics including, but not limited to, the following:

  1. New membrane materials with enhanced properties and functionalities;
  2. Novel microstructures for enhanced ion sieving capabilities;
  3. Characterization techniques for assessing the performance and efficiency of ion transport membranes;
  4. Developments in membrane architecture to optimize ion selectivity and transport rates;
  5. Advancements in manufacturing techniques for the large-scale production of high-quality membranes;
  6. Membrane reactors for integrated and efficient processes in various applications.

We look forward to receiving your groundbreaking contributions and making this Special Issue on "Ionic Transport Membranes" an exemplary platform for advancing knowledge and technology in this field.

Dr. Guangru Zhang
Guest Editor

Manuscript Submission Information

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Keywords

  • ion-exchange membranes
  • 2D membranes
  • mixed conducting membranes
  • ionic conducting membranes
  • proton conducting membranes

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Published Papers (2 papers)

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Research

13 pages, 7105 KiB  
Article
Design of CO2-Resistant High-Entropy Perovskites Based on Ba0.5Sr0.5Co0.8Fe0.2O3-δ Materials
by Yongfan Zhu, Jia Liu, Zhengkun Liu, Gongping Liu and Wanqin Jin
Materials 2024, 17(18), 4672; https://doi.org/10.3390/ma17184672 - 23 Sep 2024
Viewed by 622
Abstract
High-entropy perovskite materials (HEPMs), characterized by their multi-element composition and highly disordered structure, can incorporate multiple rare earth elements at the A-site, producing perovskites with enhanced CO2 resistance, making them stay high performance and structurally stable in the CO2 atmosphere. However, [...] Read more.
High-entropy perovskite materials (HEPMs), characterized by their multi-element composition and highly disordered structure, can incorporate multiple rare earth elements at the A-site, producing perovskites with enhanced CO2 resistance, making them stay high performance and structurally stable in the CO2 atmosphere. However, this modification may result in reduced oxygen permeability. In this study, we investigated La0.2Pr0.2Nd0.2Ba0.2Sr0.2Co0.8Fe0.2O3-δ (L0.2M1.8) high-entropy perovskite materials, focusing on enhancing their oxygen permeability in both air and CO2 atmospheres through strategic design modifications at the B-sites and A/B-sites. We prepared Ni-substituted La0.2Pr0.2Nd0.2Ba0.2Sr0.2Co0.7Fe0.2Ni0.1O3-δ (L0.2M1.7N0.1) HEPMs by introducing Ni elements at the B-site, and further innovatively introduced A-site defects to prepare La0.2Pr0.2Nd0.2Ba0.2Sr0.2Co0.7Fe0.2Ni0.1O3-δ (L0.1M1.7N0.1) materials. In a pure CO2 atmosphere, the oxygen permeation flux of the L0.1M1.7N0.1 membrane can reach 0.29 mL·cm−2·min−1. Notably, the L0.1M1.7N0.1 membrane maintained a good perovskite structure after stability tests extending up to 120 h under 20% CO2/80% He atmosphere. These findings suggest that A-site-defect high-entropy perovskites hold great promise for applications in CO2 capture, storage, and utilization. Full article
(This article belongs to the Special Issue Ionic Transport Membranes)
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12 pages, 2254 KiB  
Article
Mathematical Modeling of NaCl Scaling Development in Long-Distance Membrane Distillation for Improved Scaling Control
by Jingcheng Cai, Xingsen Mu, Jian Xue, Jiaming Chen, Zeman Liu and Fei Guo
Materials 2024, 17(15), 3629; https://doi.org/10.3390/ma17153629 - 23 Jul 2024
Viewed by 552
Abstract
Membrane distillation is a novel membrane-based separation technology with the potential to produce pure water from high-salinity brine. It couples transport behaviors along the membrane and across the membrane. The brine in the feed is gradually concentrated due to the permeate flux across [...] Read more.
Membrane distillation is a novel membrane-based separation technology with the potential to produce pure water from high-salinity brine. It couples transport behaviors along the membrane and across the membrane. The brine in the feed is gradually concentrated due to the permeate flux across the membrane, which is a significant factor in initiating the scaling behavior on the membrane surface along the feed flow direction. It is of great interest to investigate and estimate the development of scaling on the membrane surface. This work specifically focuses on a long-distance membrane distillation process with a sodium chloride solution as the feed. A modeling approach has been developed to estimate the sodium chloride scaling development on the membrane surface along the flow direction. A set of experiments was conducted to validate the results. Based on mathematical simplification and analytical fitting, a simplified model was summarized to predict the initiating position of sodium chloride scaling on the membrane, which is meaningful for scaling control in industrial-scale applications of membrane distillation. Full article
(This article belongs to the Special Issue Ionic Transport Membranes)
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