pH-dependent redox hydrogen pump for electrochemical direct air capture of CO 2

Key Points

• This research aims to develop an innovative electrochemical method for capturing CO2 from the atmosphere using a redox mediator influenced by pH.
• Utilized a dual-electrolyzer system for CO2 capture
• Implemented a pH-dependent redox mediator
• Evaluated energy efficiency of the new strategy
• Achieved significant reduction in energy required for CO2 capture
• Demonstrated effectiveness of the pH-dependent redox mediator in the capture process