Abstract
Self-assembling Ag dendritic networks provide ultrahigh CO2 permeability, whilst reducing membrane-volume-normalised Ag demand by an order of magnitude.
Highlights
CO2 separation will likely be required for climate change mitigation and process intensification at an unprecedented scale in the future
The percolating dendrites endowed an inert and low-cost membrane support with electronic conductivity, in turn, enhancing CO2 permeation to a level that surpassed performance metrics required for economically-competitive CO2 separation
The self-assembly occurred in multiple membrane geometries and using different methods of Ag incorporation, which will allow the development of a range of cost-effective and scaleable membrane fabrication routes
Summary
CO2 separation will likely be required for climate change mitigation and process intensification at an unprecedented scale in the future. We exploited such non-equilibrium conditions to stimulate the self-assembly of an Ag dendritic network within a dual-phase, supported, molten-salt membrane.
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