Results 81 to 90 of about 2,265 (207)
Monovalent cation selective crown ether containing poly(arylene ether ketone)/SPEEK blend membranes [PDF]
, 2016 Blend membranes of sulfonated poly(ether ether ketone) (SPEEK) and poly(arylene ether ketone) (PAEK) derivatives containing crown ether units in the main chain (CPAEK) were prepared and characterized in terms of water swelling and ion exchange capacity ...
Hempenius, M.A. +12 more
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A Review on Applications and Challenges of Fullerenes in Proton Exchange Membranes
Carbon Energy, Volume 8, Issue 2, February 2026.This review is devoted to the analysis of the use of fullerenes and their functionalized derivatives to improve the efficiency of proton exchange membranes. The synthetic methods, structure, properties, and proton transfer mechanisms of fullerene‐containing membranes are discussed in detail. Promising areas of scientific research are discussed, and key
Ruslan Usmanov, Alexander Pozdnyakov
wiley +1 more source
Cailiao gongchengTo improve the proton conductivity of the sulfonated polyether ether ketone/ionic liquid （SPEEK/IL） membrane and reduce the loss rate of IL in the membrane， Cd@Co-MOF-74/Phosphate-4-phenylimidazole ionic liquid （［IM2］［H2PO4］）/SPEEK ternary composite ...
SUN Lijun +3 more
doaj +1 more source
International Journal of Electrochemical Science, 2016 The sulfonic acid groups in SPEEK proton exchange membranes are belonging to hydrophilic groups, which are generally affect the performance of the proton conductivity, methanol permeability and anti- swelling properties.
Fengying Yu, Jiajie Hu
doaj +1 more source
Dusty Streets: The Challenge of Dust‐Borne Pollutants in Low‐Income Countries
CLEAN – Soil, Air, Water, Volume 54, Issue 2, February 2026.Generally, pollution impacts developed and low‐income countries (LICs) to different extents, and the disease burden due to roadway dust is not uniformly distributed across socio‐economic classes. Roadway dust materials from paved and unpaved urban and rural roads were reported to contain organic constituents which are toxic and affect public health ...
Abimbola E. Oluwalana‐Sanusi +9 more
wiley +1 more source
Proton Selective Nanoporous Atomically Thin Graphene Membranes for Vanadium Redox Flow Batteries
Advanced Materials, Volume 38, Issue 5, 22 January 2026.A scalable high‐performance proton‐exchange‐membrane architecture is demonstrated that integrates monolayer CVD graphene with Ar plasma‐engineered Angstrom‐scale proton‐selective pores, stacked to mitigate non‐selective defects, and interfaced with an ultrathin (≈300 nm) polybenzimidazole layer sandwiched between two Nafion 211 sheets.
Pavan Chaturvedi +7 more
wiley +1 more source
Automotive Experiences, 2020 Direct Methanol Fuel Cell (DMFC) can operate at low temperatures, but efficiency and performance are greatly influenced by the material. On the other hand, sulfonated ketone polyether ethers (sPEEK) which have high thermal resistance, ductile, chemical ...
Herry Purnama +3 more
doaj +1 more source
, 2017 Sulfonated polyether ether ketone (SPEEK) polymer nanocomposite membranes were fabricated by incorporating nanoclays (e.g., cloisite 30B) and bentonite into the SPEEK polymer matrix. The SPEEK, SPEEK/cloisite, SPEEK/bentonite and SPEEK/cloisite/bentonite
Das, D. B. +9 more
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Thorium Recovery with Crown Ether–Polymer Composite Membranes
Applied SciencesThorium is a weak radioactive element, but the control of its concentration in natural aqueous systems is of great interest for health, because it is a toxic heavy metal.
Aurelia Cristina Nechifor +8 more
doaj +1 more source
Hydration – dehydration research of SPEEK membrane
, 2015 SPEEK membrānu hidratācijas-dehidratācijas pētījumi. Sala, E., zinātniskais vadītājs Dr. ķīm., pētnieks Veldre, K. Bakalaura darbs, 45 lappuses, 30 attēli, 7 tabulas, 56 literatūras avoti. Latviešu valodā.
Sala, Elīna
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