Results 21 to 30 of about 458 (155)

Sulfonation Treatment of Polyether-Ether-Ketone for Dental Implant Uses

open access: yesApplied Sciences
There has been a recent uptake in the use of polyether-ether-ketone (PEEK), which is an organic thermoplastic polymer, in the manufacturing of various medical devices, implants, and equipment.
Hussein Hamid, Ihab Safi, Falah Hussein
doaj   +2 more sources

'Small' Technology, Big Power: Micropore Engineering for High-Performance Flow Battery Membranes. [PDF]

open access: yesSmall
This review systematically analyzes recent advances in redox flow batteries (RFBs) membrane separators, focusing on the shift from traditional ion‐exchange membranes to emerging functional porous membranes: Covalent Organic Frameworks (COFs), Metal‐Organic Frameworks (MOFs), and Polymers of Intrinsic Microporosity (PIMs).
Wei C   +7 more
europepmc   +2 more sources

Utilization of Water-Insoluble Carbon Nitride-Phosphotungstic Acid Hybrids in Composite Proton Exchange Membranes [PDF]

open access: yesMembranes
Phosphotungstic acid (HPW) can retain water in proton exchange membranes to increase proton conductivity; however, its water-soluble nature limits further application.
Xiancan Yuan   +7 more
doaj   +2 more sources

The ability of SPEEK to promote the proliferation and osteogenic differentiation of BMSCs on PEEK surfaces [PDF]

open access: yesHeliyon
To investigate the ability of sulfonated polyetheretherketone (SPEEK) to promote the proliferation and osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) and compare the effects of different degrees of sulfonation (DS), SPEEK was ...
Shuang Wang   +5 more
doaj   +2 more sources

Composite Sulfonated Polyether-Ether Ketone Membranes with SBA-15 for Electrochemical Energy Systems. [PDF]

open access: yesMaterials (Basel), 2020
The aim of this work is the evaluation of a Sulfonated Poly Ether-Ether Ketone (S-PEEK) polymer modified by the addition of pure Santa Barbara Amorphous-15 (SBA-15, mesoporous silica) and SBA-15 previously impregnated with phosphotungstic acid (PWA) fillers (PWA/SBA-15) in order to prepare composite membranes as an alternative to conventional Nafion ...
Rico-Zavala A   +9 more
europepmc   +5 more sources

Role and Important Properties of a Membrane with Its Recent Advancement in a Microbial Fuel Cell

open access: yesEnergies, 2022
Microbial fuel cells (MFC) are an emerging technology for wastewater treatment that utilizes the metabolism of microorganisms to generate electricity from the organic matter present in water directly.
Aritro Banerjee   +2 more
doaj   +1 more source

Sulfonated Poly(ether ether ketone) and Organically Modified Montmorillonite Nanocomposite Membranes for Direct Methanol Fuel Cell [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2022
Hypothesis: The modification of aromatic polymers, such as poly(ether ether ketone) (PEEK), by sulfonation modification, can result in fabricating polyelectrolyte membranes (PEMs) as the alternatives to Nafion for direct methanol fuel cell (DMFC ...
Mahdi Tohidian   +5 more
doaj   +1 more source

Spectroscopy and Cyclic Voltammetry Properties of SPEEK/CuO Nanocomposite at Screen-Printed Gold Electrodes

open access: yesNanomaterials, 2022
A successful electrochemical study of copper oxide nanoparticles (CuO NPs), sulfonated poly (ether ether ketone) polymer (SPEEK), and sulfonated polyether ether ketone-copper oxide (SPEEK/CuO) nanocomposite on bare gold electrodes was conducted.
Omolola E. Fayemi   +3 more
doaj   +1 more source

On the Performance of a Ready-to-Use Electrospun Sulfonated Poly(Ether Ether Ketone) Membrane Adsorber

open access: yesMembranes, 2023
Motivated by the need for efficient purification methods for the recovery of valuable resources, we developed a wire-electrospun membrane adsorber without the need for post-modification.
Niki Joosten   +4 more
doaj   +1 more source

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