Background In the wake of the climate crisis, the necessity of removing carbon dioxide (CO2) from the atmosphere is of utmost importance. Current methods for removing CO2 from the atmosphere include Direct Air Capture (DAC) which uses a chemical filter that selectively binds to CO2 molecules. Once captured, the concentrated CO2 stream is then stored...

Background Carbon dioxide removal (CDR) methods from atmospheric air, including direct air capture (DAC), is essential to limit the spread of global warming. However, current DAC approaches based on thermal and pressure swings are very energy intensive. Moisture-driven DAC using strong-base anion exchange resins (AER) reversibly binds CO2 from ambient...