%0 Journal Article %T High-Capacity Sodium Peroxide Based Na¨CO2 Batteries with Low Charge Overpotential via a Nanostructured Catalytic Cathode %J - %D 2018 %R https://doi.org/10.1021/acsenergylett.7b01143 %X The superoxide based Na¨CO2 battery has circumvented the issue of large charge overpotential in Li¨CO2 batteries; however, the one-electron process leads to limited capacity. Herein, a sodium peroxide based low-overpotential (¡«0.5 V) Na¨CO2 battery with a capacity as high as 7.5 mAh/cm2 is developed with Pd nanoparticles as catalysts on the cathode %U https://pubs.acs.org/doi/10.1021/acsenergylett.7b01143