Results 41 to 50 of about 963 (161)
Nanomaterials, 2019 The understanding of the relationship between the chemical structure and the hydrophilic structure is crucial for the designing of high-performance PEMs.
Rujie Wang +4 more
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Porphyrin/sPEEK Membranes with Improved Conductivity and Durability for PEFC Technology [PDF]
ACS Applied Energy Materials, 2018 Advanced composite membranes have been obtained by incorporation of the meso-tetrakis(4-sulfonatophenyl)porphyrin (TPPS) into a sulfonated poly(etheretherketone) (sPEEK). The presence of porphyrins in their monomeric, dimeric, and aggregated forms into the membrane ionic domains have been investigated by static and time-resolved spectroscopic ...
Maria A Castriciano +6 more
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Frontiers in Bioengineering and BiotechnologyPoly-ether-ether-ketone (PEEK) is a biomedical plastic that can be used for orthopedic implants, but it offers poor antibacterial properties and bioactivity.
Run Huang +11 more
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Preparation and Characterization of UV Irradiated SPEEK/Chitosan Membranes
International Journal of Electrochemical Science, 2012 Cross-linked composite membranes of sulfonated poly(ether ether ketone) (SPEEK) with a chitosan content up to 50 wt%, were prepared by solution cast technique and ultraviolet (UV) curing.
N.A. Aini +5 more
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High durable SPEEK/TiO2 nanopaper composite membrane for vanadium redox flow battery
Journal of Saudi Chemical SocietySulfonated poly (ether ether ketone) (SPEEK) ion exchange membranes for VRFB are promising alternatives to Nafion, but require improved mechanical and chemical stability for long-term operation. Here, we have fabricated composite membranes using SPEEK as
Song Il Han +4 more
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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
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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
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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
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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
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ChemElectroChemPorphyrin/sulphonated polyetheretherketone (sPEEK) composites are successfully obtained at different dye/polymer weight/weight percentage taking advantage of electrostatic interactions among the protonable nitrogen atoms of 5,10,15,20‐tetrakis(4‐pyridyl)‐
Viviana Bressi +8 more
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