Dr. Kyle Smith and his research group have developed a battery-based alkaline electrochemical cycle that can capture CO2 under concentrated and atmospheric conditions and mineralizing it. This invention has a CO2 capturing efficiency of rates up to 1000 times greater than other similar electrochemical cycling methods. Indeed, a prior test found that using the new approach developed by Dr. Smith, up to 2 mol- CO2 /L were absorbed, while under the traditional approach only 2 μmol- CO2 /L were absorbed. This invention can be applied toward the capture and storage of CO2 from flue gas and also applied towards the capture of CO2 under atmospheric conditions.