Animation: MOF-based molecular sieve membrane separating CO2 and electrolyzer converting enriched CO2 to pure formic acid (VIDEO)

Science China Press

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This animation showcases the core workflow of the innovative CO2 conversion technology. First, the self-supporting MOF-based mixed-matrix membrane selectively filters impurities (SO2, NO, O2, N2) from dilute CO2 sources. Next, the enriched high-purity CO2 is fed into the electrolyzer, where the Bi nanoparticle catalytic layer converts it to formic acid (HCOOH) under acidic conditions. It marks the first direct electrochemical conversion of air to pure HCOOH.

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