GoKawiilDelaware team builds battery-based device to capture CO2 more efficiently
Researchers led by James Buchen at the University of Delaware have developed an electrochemical carbon-capture device that uses a battery-like setup instead of conventional filters. Hydroxide generated at the cathode reacts with CO2 to form carbonate, which crosses a membrane to the anode where a lower pH reverses the reaction, releasing pure CO2 gas.
GoKawiil's interpretation of the reporting above, not reported fact.
The researchers say this approach could need less energy than standard filter-based carbon capture systems, which typically rely on heating to release trapped CO2. If the design scales successfully, it could lower the cost of both direct air capture and industrial smokestack capture, though the study appears limited to lab-scale demonstration.
- A University of Delaware team built an electrochemical CO2 capture device modeled on battery chemistry
- The system uses hydroxide-driven reactions at the cathode and anode to absorb and then release CO2
- Researchers claim it could be less energy-intensive than traditional filter-based carbon capture methods
Source: arstechnica.com, 2026-09-28
Published there as: “New device captures carbon dioxide by pumping it across a battery”
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