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Development of Structure–Property Relationships for Ammonium Transport through Charged Organogels
Adam L. Bachmann ; Brock Hunter ; Bryan S. Beckingham Membranes,2024,14(3):71. DOI: 10.3390/membranes14030071
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Abstract: Ammonia is a promising carbon-free fuel, but current methods to produce ammonia are energy intensive. New methods are thereby needed, with one promising method being electrochemical nitrogen reduction cells. Efficient cell operation requires robust catalysts but also efficient membrane separators that permit the selective transport of ions while minimizing the transport of the products across the cell. Commercial membranes have an unknown morphology which makes designing improved cells challenging. To address this problem, we synthesized a series of membranes with controlled crosslinking density and chemical composition to understand their impact on ammonium transport. Higher crosslinking density led to lower ammonium permeability. At the highest crosslinking density, similar ammonium permeability was observed independent of the water volume fraction and hydrophobicity of the monomers. These results suggest new directions to develop membranes with reduced ammonium crossover to improve the efficiency of these electrochemical cells.
Keywords: cation exchange membrane ; sulfonic acid ; nitrogen reduction
Purchased from AmBeed: 937-41-7
CAS No. : | 937-41-7 | MDL No. : | MFCD00048145 |
Formula : | C9H8O2 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | WRAQQYDMVSCOTE-UHFFFAOYSA-N |
M.W : | 148.16 | Pubchem ID : | 61242 |
Synonyms : |
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Signal Word: | Danger | Class: | 9 |
Precautionary Statements: | P501-P273-P260-P270-P264-P280-P391-P314-P337+P313-P305+P351+P338-P301+P312+P330 | UN#: | 3082 |
Hazard Statements: | H302-H319-H372-H410 | Packing Group: | Ⅲ |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
[ 73839-82-4 ]
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