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Advanced Porous Polymeric Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Porous Materials".

Deadline for manuscript submissions: closed (20 February 2022) | Viewed by 8395

Special Issue Editors


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Guest Editor
nVent, Redwood City, CA 94063, USA
Interests: polymers; elastomers; nanocomposites; ionogels; battery

Special Issue Information

Dear Colleagues,

With the advent of new applications, the demand for newly developed higher-performing material is increasing. Porous materials are an essential family of materials with applications ranging from energy to tissue engineering, biomedical, filtration, food science, transportation, and space, to mention a few. Polymeric materials are the top choice in many of these applications due to their ease of processing and durability. The development of new polymeric chemistries, the combination of polymers with other organic–inorganic materials, and innovations in the fabrication of porous carbon nanostructures have made use of new functional materials in new and advanced areas.

This Special Issue invites original research articles and review articles in the field of advanced porous polymeric materials and nanoporous carbons showcasing developments in the field. The issue intends to showcase the newer fabrication method, new materials, and blends/hybrids of materials with an improved performance over existing benchmark material from the relevant applications. Strategies to enhance target application operating windows through the improved properties of porous materials are of interest as well, e.g., methods to tune the pore diameter, pore density, surface pattern, or uniform pore geometry.

Dr. Kunal Mondal
Dr. Prasad S. Raut
Guest Editors

Manuscript Submission Information

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Keywords

  • porous materials
  • polymers
  • carbon nanostructure
  • monolith/films/extruded/molded articles
  • hierarchical pores

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Published Papers (2 papers)

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Research

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9 pages, 2125 KiB  
Article
Facile Synthesis of Carbon Nanospheres with High Capability to Inhale Selenium Powder for Electrochemical Energy Storage
by Mustafa Khan, Xuli Ding, Hongda Zhao, Xinrong Ma and Yuxin Wang
Materials 2021, 14(22), 6760; https://doi.org/10.3390/ma14226760 - 10 Nov 2021
Cited by 3 | Viewed by 1839
Abstract
Carbon–selenium composite positive electrode (CSs@Se) is engineered in this project using a melt diffusion approach with glucose as a precursor, and it demonstrates good electrochemical performance for lithium–selenium batteries. X-ray diffraction (XRD) and scanning electron microscopy (SEM) with EDS analysis are used to [...] Read more.
Carbon–selenium composite positive electrode (CSs@Se) is engineered in this project using a melt diffusion approach with glucose as a precursor, and it demonstrates good electrochemical performance for lithium–selenium batteries. X-ray diffraction (XRD) and scanning electron microscopy (SEM) with EDS analysis are used to characterize the newly designed CSs@Se electrode. To complete the evaluation, electrochemical characterization such as charge–discharge (rate performance and cycle stability), cyclic voltammetry (CV), and electrochemical impedance spectroscopy (EIS) tests are done. The findings show that selenium particles are distributed uniformly in mono-sized carbon spheres with enormous surface areas. Furthermore, the charge–discharge test demonstrates that the CSs@Se cathode has a rate performance of 104 mA h g−1 even at current density of 2500 mA g−1 and can sustain stable cycling for 70 cycles with a specific capacity of 270 mA h g−1 at current density of 25 mA g−1. The homogeneous diffusion of selenium particles in the produced spheres is credited with an improved electrochemical performance. Full article
(This article belongs to the Special Issue Advanced Porous Polymeric Materials)
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Review

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20 pages, 5127 KiB  
Review
Covalent Organic Frameworks: New Materials Platform for Photocatalytic Degradation of Aqueous Pollutants
by Yuhang Qian and Dongge Ma
Materials 2021, 14(19), 5600; https://doi.org/10.3390/ma14195600 - 27 Sep 2021
Cited by 32 | Viewed by 5836
Abstract
Covalent organic frameworks (COFs) are highly porous and crystalline polymeric materials, constructed by covalent bonds and extending in two or threedimensions. After the discovery of the first COF materials in 2005 by Yaghi et al., COFs have experienced exciting progress and exhibitedtheirpromising potential [...] Read more.
Covalent organic frameworks (COFs) are highly porous and crystalline polymeric materials, constructed by covalent bonds and extending in two or threedimensions. After the discovery of the first COF materials in 2005 by Yaghi et al., COFs have experienced exciting progress and exhibitedtheirpromising potential applications invarious fields, such as gas adsorption and separation, energy storage, optoelectronics, sensing and catalysis. Because of their tunablestructures, abundant, regular and customizable pores in addition to large specific surface area, COFs can harvest ultraviolet, visible and near-infrared photons, adsorb a large amount of substrates in internal structures and initiate surface redox reactions to act as effective organic photocatalysts for water splitting, CO2 reduction, organic transformations and pollutant degradation. In this review, we will discuss COF photocatalysts for the degradation of aqueous pollutants. The state-of-the-art paragon examples in this research area will be discussed according to the different structural type of COF photocatalysts. The degradation mechanism will be emphasized. Furthermore, the future development direction, challenges required to be overcome and the perspective in this field will be summarized in the conclusion. Full article
(This article belongs to the Special Issue Advanced Porous Polymeric Materials)
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