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Membranes
Special Issues
Eco-Friendly Membrane Materials and Technology
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Eco-Friendly Membrane Materials and Technology

A special issue of Membranes (ISSN 2077-0375). This special issue belongs to the section "Membrane Applications".

Deadline for manuscript submissions: closed (29 August 2023) | Viewed by 3159

Special Issue Editors

Prof. Dr. Mohd Fakhrul Z. Kadir

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Guest Editor
Centre for Foundation Studies in Science, University of Malaya, Kuala Lumpur, Malaysia
Interests: polymer blend; polymer electrolytes; proton batteries; electric double layer capacitors
Dr. Li Ding

E-Mail Website
Guest Editor
State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, China
Interests: two-dimensional membrane; MXene membrane; ion sieving; nanofluidic ion transport; osmotic energy capture; nanofiltration; gas separation
Special Issues, Collections and Topics in MDPI journals
Rebar Abdulwahid

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Guest Editor Assistant
Physics Department, College of Education, University of Sulaimani, Sulaimaniyah, Iraq
Interests: advanced materials; energy storage devices; nanoelectrolnics; thin films; photovoltaic devices; polymers composites and polymer electrolytes

Special Issue Information

Dear Colleagues,

We are pleased to invite you to submit your manuscript to the Special Issue “Eco-Friendly Membrane Materials and Technology”. 

Global warming and environmental pollution are significant environmental challenges that have gained public awareness and need an urgent solution. Incorporating eco-friendly membranes into industry and daily life can help create a more sustainable future and mitigate the effects of global warming and environmental pollution. Eco-friendly membranes and technologies are crucial for diverse industrial applications, including energy storage devices, water purification, gas separation and sensors, fuel cells, and renewable energy sources. These materials and technologies aim to reduce the environmental impact of membrane production and use, for example, by using renewable and biodegradable resources or reducing waste and emissions. Biodegradable polymers, graphene, and ceramics are examples of environmentally favourable membrane materials.

In this regard, this Special Issue, "Eco-Friendly Membrane Materials and Technology", seeks contributions in the field of environmental and natural membrane technology containing the most recent scientific and technological advances. Original research articles or reviews are welcome, and submissions to this Special Issue will address (but are not limited to) the following themes:

  • Biodegradable membrane for energy storage devices.
  • Natural membrane fabrication and characterizations.
  • Engineering eco-friendly membranes and innovative environmental technologies.
  • Bio-based membrane employment in solar cell.
  • The optimization of eco-friendly membranes for managing air and water pollution.

We look forward to receiving your manuscripts.

Prof. Dr. Mohd Fakhrul Z. Kadir
Dr. Li Ding
Guest Editors

Rebar Abdulwahid
Guest Editor Assistant

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Membranes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • natural membranes
  • waste management
  • biodegradable polymer electrolyte
  • renewable energy sources
  • advanced processes
  • eco-friendly membrane engineering

Benefits of Publishing in a Special Issue

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  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • e-Book format: Special Issues with more than 10 articles can be published as dedicated e-books, ensuring wide and rapid dissemination.

Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

11 pages, 2843 KiB  
Article
Obtaining Electrospun Membranes of Chitosan/PVA and TiO2 as a Solid Polymer Electrolyte with Potential Application in Ion Exchange Membranes
by Elio Enrique Ruiz Gómez and Jose Herminsul Mina Hernandez
Membranes 2023, 13(11), 862; https://doi.org/10.3390/membranes13110862 - 27 Oct 2023
Cited by 4 | Viewed by 2655
Abstract
A binary polymeric blend was prepared using chitosan (CS) and polyvinyl alcohol (PVA) at a ratio of 80:20, respectively, to obtain a solid polymeric electrolyte with possible application for the generation of an electric current in proton or anion exchange electrochemical cells. With [...] Read more.
A binary polymeric blend was prepared using chitosan (CS) and polyvinyl alcohol (PVA) at a ratio of 80:20, respectively, to obtain a solid polymeric electrolyte with possible application for the generation of an electric current in proton or anion exchange electrochemical cells. With a 6% m/m solution, a membrane was formed using the electrospinning technique, and the influence of the incorporation of titanium oxide (TiO2) nanoparticles, at a concentration between 1000 and 50,000 ppm, on the physicochemical properties of the material was evaluated. The micrographs obtained by SEM revealed that the diameter of the nanofibers was close to 100 nm. Likewise, it was found that the incorporation of the nanoparticles affected the moisture absorption of the material, reaching a predominantly hydrophobic behavior in the composite with the highest concentrations of these (2% absorption), while for the lowest content of the filler, the absorption reached values close to 13%. On the other hand, Thermogravimetric Analysis (TGA) showed lower dehydration in the fibrous composite with a 1000 ppm TiO2 content, while Differential Scanning Calorimetry (DSC) showed that these nanoparticles did not significantly affect the thermal transition (Tm) of the composite. Additionally, with the incorporation of nanoparticles, a shift in the Tg from 44 to 37 °C was found concerning the unfilled binary membrane, which increased the possibility of achieving higher ionic conductivities with the nanocomposites at room temperature. Complex Impedance Spectroscopy determined the material’s activation energy, decreasing this by adding the TiO2 filler at a concentration of 1000 ppm. On the other hand, when the membranes were doped with a 1 M KOH solution, the fibrous structure of the membrane changed to a porous cork-like configuration. In future research, the electrospun membrane could be used in the development of a composite to validate the energy efficiency of the new solid polymer electrolyte. Full article
(This article belongs to the Special Issue Eco-Friendly Membrane Materials and Technology)
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