| 摘要 |
Potassium-oxygen (K-O2) batteries based on potassium superoxide (KO2) are provided. The K-O2 batteries can exhibit high specific energy a low discharge/charge potential gap (e.g., a discharge/charge potential gap of less than 50 mV at a current density of 0.16 mA/cm2) without the use of any catalysts. The discharge product of the K-O2 batteries is K-O2, which is both kinetically stable and thermodynamically stable. As a consequence of the stability of the discharge product, the K-O2 batteries can exhibit improved operational stability relative to other metal-air batteries. |
