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Toward alkaline-stable anion exchange membranes in fuel cells: cycloaliphatic quaternary ammonium-based anion conductors
Anion exchange membrane (AEM) stability has been a long-standing challenge that limited the widespread development and adoption of AEM fuel cells...
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Graphene oxide in the production of ion-exchange membranes for electrodialysis cells
Ion-exchange membranes (AEMs) are extensively utilized in separation processes for the treatment of contaminated effluents and the removal of heavy...
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Electrochemical Properties and Specific Selectivity of Ion-Exchange Membranes in Borate-Nitrate Electrolyte Solutions
AbstractElectrochemical characteristics of heterogeneous cation- and anion-exchange Ralex membranes and the mechanism of transfer of ions of salt,...
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Performance optimization of PGM and PGM-free catalysts in anion-exchange membrane fuel cells
This study focuses on H 2 -O 2 operando AEMFC performance based on several platinum group metal (PGM) and PGM-free catalysts. Specifically, we evaluate...
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Preparation of Asphaltene-Based Anion-Exchange Resins and Their Adsorption Capacity in the Treatment of Phenol-Containing Wastewater
AbstractNovel anion-exchange resins were prepared from asphaltenes by nitration with nitric acid followed by reduction of the nitrated...
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Rare-metal-free hydrogen evolution reaction electrocatalysts based on metal azaphthalocyanine molecular layer for anion exchange membrane water electrolysis
In this report, we elucidated the hydrogen evolution reaction (HER) catalytic activity of different metal-azaphthalocyanine unimolecular layer (AZUL)...
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Rhenium recovery from roasting leachate of molybdenum concentrate by N-methylimidazole functionalized anion exchange resin
Develo** the recovery technology of rhenium under the background of high molybdenum is of great significance to the recovery of rhenium resources...
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Ion exchange Chromatography
Various types of chromatographic techniques which have been discussed so far are used basically for the separation of organic substances.... -
Conductive and Stable Crosslinked Anion Exchange Membranes Based on Poly(arylene ether sulfone)
Highly conductive and stable anion exchange membranes (AEMs) are important components of high-performance anion exchange membrane fuel cells...
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Ion Exchange Chromatography
Ion exchange chromatography (or ion chromatography) is a process that allows the separation of ions and polar molecules based on their affinity to... -
Ion-Exchange Chromatography: Basic Principles and Application
Ion-exchange chromatography (IEC) is a fractionation technique that allows for the separation of ionizable molecules on the basis of differences in... -
Dynamics analysis of anion exchange in layered double hydroxides
The anion exchange kinetics between NO 3 − and benzoate (BA) in layered double hydroxides (LDHs) have been studied. The experimental conditions were...
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CESIUM SALTS WITH THE DIFURAZANOPYRAZINE RADICAL ANION
AbstractCrystalline Cs salts with the difurazanopyrazine radical anion are synthesized: Cs(L • )(H 2 O) 2 -I, Cs(L • )(H 2 O) 2 -II, Cs 2 (L • ) 2 (HL • )(H 2 O), Cs 3 (L • ) 3 (L...
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Mild washing of uranium containing soil with citric acid combined with anion and cation exchange resin
Through mild chemical washing, costs will be saved and the soil will be protected by reducing the amount of acid used. A circulating washing system...
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Spherical TiO2/Cr2O3 Composites Synthesized with the Use of Ion-Exchange Resins as a Template
AbstractTwo samples of TiO 2 /Cr 2 O 3 composites are synthesized in the form of spherical grains via the stagewise thermal treatment of ion-exchange...
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Thermochemistry of monocharged anion substitutions in ionic solids
Modification of materials to achieve specific changes in their physical and chemical properties often involves the substitution of ions. While this...
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Perrhenate anion encapsulation in a uranyl ion–zwitterionic dicarboxylate coordination polymer
The zwitterionic dicarboxylate 1,1′-[(2,3,5,6-tetramethylbenzene-1,4-diyl)bis(methylene)]bis(pyridin-1-ium-4-carboxylate) (L) has been reacted with...
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Precision synthesis of a CdSe semiconductor nanocluster via cation exchange
Precision nanosynthesis is essential for atomic engineering in nanostructures and for mechanistic understanding of nanoscale reactions. However,...
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Anion-binding catalysis enables living cationic polymerization
Anion-binding interactions in nature have enabled the development of organocatalytic transformations; however, even though ionic species act as...
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Efficient anion immobilization enabled by structurally controllable halloysite for dendrite-free sodium metal anode
Sodium metal has shown great potential as an inexpensive anode for rechargeable batteries. However, the growth of sodium dendrites continues to...