Results 61 to 70 of about 426 (123)

Experimental Investigation on CO2 and CH4 Gas Separation Using SPEEK/PVA/ZnO Polymer Nanocomposite Membranes for Greenhouse Gas Emissions Reduction and Environmental Improvement [PDF]

Iranian Journal of Chemistry & Chemical Engineering
Reducing greenhouse gas emissions is a critical environmental challenge, with fossil fuel consumption and deforestation as major contributors to rising CO2 levels.
Ahmad Bahreini, Arezoo Ghadi, Mojtaba Masoumi   +2 more
doaj   +1 more source

Electrochemical behaviour of PBI-based vanadium redox flow battery membranes [PDF]

MATEC Web of Conferences
Energy Storage System (ESS) has a critical role in ensuring the reliability and efficiency of energy supply. The Vanadium Redox Flow Batteries (VRFBs) are a promising solution because it is reliable, fire-safe, and a sustainable energy storage system ...
Mampa Kagiso, Popoola Patricia, Raji Sadiq, Dada Modupeola   +3 more
doaj   +1 more source

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

Applied 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   +1 more source

Performance of high sulfonated poly(ether ether ketone) improved with microcrystalline cellulose and 2,3-dialdehyde cellulose for proton exchange membranes

Materials for Renewable and Sustainable Energy
Sulfonated poly (ether ether ketone) (SPEEK) has received substantial attention for its potential to improve the electrochemical behavior and thermomechanical capabilities of direct methanol fuel cells. This study examines how the integration by solution
Mohamed Amine Ben Moussa, Zakarya Ahmed, Khaled Charradi, Boutheina Ben Fraj, Sami Boufi, Andreas Koschella, Thomas Heinze, Sherif M. A. S. Keshk, Ibtissem Ben Assaker   +8 more
doaj   +1 more source

MXene potassium titanate nanowire/sulfonated polyether ether ketone (SPEEK) hybrid composite proton exchange membrane for photocatalytic water splitting. [PDF]

RSC Adv, 2021
Waribam P, Jaiyen K, Samart C, Ogawa M, Guan G, Kongparakul S.   +5 more
europepmc   +1 more source

Recent Progresses and Challenges to Determine Properties of Sulfonated Polyether Ether Ketone Based Electrolytes for Direct Methanol Fuel Cell Applications

ChemElectroChem
This review focuses on fillers, modifications, and methods used in the preparation and development of sulfonated poly(ether ether ketone) (sPEEK) membranes, specifically for direct methanol fuel cell (DMFC) applications as proton exchange membranes in ...
Murat Tamer, Sema Akyalçın, Levent Akyalçın   +2 more
doaj   +1 more source

Biochar-supported Cu₂O nanocrystallites as a platinum-free electrocatalyst for hydrogen evolution

International Journal of Electrochemical Science
Hydrogen technology is significantly influencing the transformation of the energy sector, supported by recent advancements in global infrastructure. The production of sustainable hydrogen is contingent upon the development of cost-effective electrode ...
Olayemi J. Fakayode, Busisiwe P. Mabuea, Sisonke Sigonya, Dieketseng Tsotetsi, Mayetu Segale, Rudzani Sigwadi, Mokhotjwa Dhlamini, Bakang M. Mothudi   +7 more
doaj   +1 more source

Induced Anionic Functional Group Orientation‐Assisted Stable Electrode‐Electrolyte Interphases for Highly Reversible Zinc Anodes

Advanced Science
Dendrite growth and other side‐reaction problems of zinc anodes in aqueous zinc‐ion batteries heavily affect their cycling lifespan and Coulombic efficiency, which can be effectively alleviated by the application of polymer‐based functional protection ...
Jingyi Wang, Yi Yu, Ruwei Chen, Hang Yang, Wei Zhang, Yuee Miao, Tianxi Liu, Jiajia Huang, Guanjie He   +8 more
doaj   +1 more source

A preliminary evaluation of SPEEK nanofibers as multi-drug carrier delivering diclofenac, paracetamol and alcoholic extract of Strobilanthes ciliata

Scientific Reports
Conventional wound treatments often fail due to their restricted efficacy. The discovery of multitargeted medication represents a crucial step in turning scientific discoveries into clinically possible solutions.
Shreya Balamurugan, Aswathi Malampallaparambil, Himabindu Padinjarathil, Prasanna Ramani   +3 more
doaj   +1 more source

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

Materials (Basel), 2020
Rico-Zavala A, Pineda-Delgado JL, Carbone A, Saccà A, Passalacqua E, Gurrola MP, Alvarez A, Rivas S, Ledesma-García J, Arriaga LG.   +9 more
europepmc   +1 more source