Results 11 to 20 of about 14,179 (307)

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   +2 more sources

Proton-conducting polymer electrolyte membranes based on sulfonated PEEK and blends of protic ionic liquids with different acidities [PDF]

Scientific Reports
Protic ionic liquids (PILs) immobilised in an ionogene host polymer represent an intriguing alternative to the state-of-the-art commercial fluoropolymer-based membranes as proton conducting electrolytes for future intermediate-temperature fuel cells (T > 
V. Theußl, X. Cui, H. Hou, A. Gueguen, C. Rodenbücher, C. Korte   +5 more
doaj   +2 more sources

Different approaches in sulfonated poly (ether ether ketone) conductivity measurements [PDF]

IOP Conference Series: Materials Science and Engineering, 2019
Ion conductivity of sulfonated poly (ether ether ketone) (SPEEK) membranes with various degree of sulfonation (DS) was investigated using impedance analysis with different measuring cell configuration and ion conductivity was calculated from resistances ...
Fedorenko, D., Vaivars, Guntars
core   +3 more sources

A Comparative Study of Nafion 212 and Sulfonated Poly(Ether Ether Ketone) Membranes with Different Degrees of Sulfonation on the Performance of Iron-Chromium Redox Flow Battery. [PDF]

Membranes (Basel), 2023
For an iron-chromium redox flow battery (ICRFB), sulfonated poly(ether ether ketone) (SPEEK) membranes with five various degrees of sulfonation (DSs) are studied.
Bai E, Zhu H, Sun C, Liu G, Xie X, Xu C, Wu S.   +6 more
europepmc   +2 more sources

Corrigendum to Robust sulfonated poly (ether ether ketone) nanochannels for high-performance osmotic energy conversion. [PDF]

Natl Sci Rev, 2020
Zhao Y, Wang J, Kong XY, Xin W, Zhou T, Qian Y, Yang L, Pang J, Jiang L, Wen L.   +9 more
europepmc   +3 more sources

Determination of the degree of sulfonation in cross-linked and non-cross-linked Poly(ether ether ketone) using different analytical techniques [PDF]

Heliyon
The degree of sulfonation (DS) is a key property of sulfonated polymers, as it significantly influences their swelling behaviour, conductivity and mechanical properties.
Abdul G. Al Lafi, Mohammed S. Rihawy, Abdul W. Allaf, Ali Alzier, Reem Hasan   +4 more
doaj   +2 more sources

Advances in the Application of Sulfonated Poly(Ether Ether Ketone) (SPEEK) and Its Organic Composite Membranes for Proton Exchange Membrane Fuel Cells (PEMFCs). [PDF]

Polymers (Basel)
This review discusses the progress of research on sulfonated poly(ether ether ketone) (SPEEK) and its composite membranes in proton exchange membrane fuel cells (PEMFCs).
Li X, Ye T, Meng X, He D, Li L, Song K, Jiang J, Sun C.   +7 more
europepmc   +2 more sources

Investigations of the Sulfonated Poly(ether ether ketone) Membranes with Various Degrees of Sulfonation by Considering Durability for the Proton Exchange Membrane Fuel Cell (PEMFC) Applications. [PDF]

Polymers (Basel)
Song Y, Guo Z, Yin J, Liu M, Tolj I, Grigoriev SA, Ge M, Sun C.   +7 more
europepmc   +3 more sources

Robust sulfonated poly (ether ether ketone) nanochannels for high-performance osmotic energy conversion. [PDF]

Natl Sci Rev, 2020
The membrane-based reverse electrodialysis (RED) technique has a fundamental role in harvesting clean and sustainable osmotic energy existing in the salinity gradient.
Zhao Y, Wang J, Kong XY, Xin W, Zhou T, Qian Y, Yang L, Pang J, Jiang L, Wen L.   +9 more
europepmc   +2 more sources

A Convenient and Simple Ionic Polymer-Metal Composite (IPMC) Actuator Based on a Platinum-Coated Sulfonated Poly(ether ether ketone)-Polyaniline Composite Membrane. [PDF]

Polymers (Basel), 2022
Herein, we present new approaches for developing sulfonated polyether ether ketone (SPEEK) and polyaniline-based (PANI) actuator formed by film-casting and chemical reduction of Pt electrodes.
Luqman M, Shaikh HM, Anis A, Al-Zahrani SM, Alam MA.   +4 more
europepmc   +2 more sources