Although considerable effort has been devoted to purifying nitrogen oxides(NOx),it is still challenging to effectively reduce NOxat room temperature and ambient pressure without catalysts.In this study,as a proof-of-c...Although considerable effort has been devoted to purifying nitrogen oxides(NOx),it is still challenging to effectively reduce NOxat room temperature and ambient pressure without catalysts.In this study,as a proof-of-concept,we have for the first time demonstrated the room-temperature reduction of nitrogen dioxide(NO2)using a rechargeable lithium-nitrogen dioxide(Li-NO2)battery.The battery shows a capacity of 884 m Ah g-1 at 50 m A g-1(an actual energy density of 666 Wh kg-1)and a promising electrochemical Faraday efficiency(FE)of 67%.The unique properties of Li-NO2 rechargeable batteries not only provide a way to reduce and recycle NO2 but also highlight the potential of oxidative air pollutants as energy sources for next-generation electrochemical energy storage(EES)systems.展开更多
基金financial support from the National Science Fund for Distinguished Young Scholars, China (51525204)the National Natural Science Foundation of China (51602220 and U1710109)
文摘Although considerable effort has been devoted to purifying nitrogen oxides(NOx),it is still challenging to effectively reduce NOxat room temperature and ambient pressure without catalysts.In this study,as a proof-of-concept,we have for the first time demonstrated the room-temperature reduction of nitrogen dioxide(NO2)using a rechargeable lithium-nitrogen dioxide(Li-NO2)battery.The battery shows a capacity of 884 m Ah g-1 at 50 m A g-1(an actual energy density of 666 Wh kg-1)and a promising electrochemical Faraday efficiency(FE)of 67%.The unique properties of Li-NO2 rechargeable batteries not only provide a way to reduce and recycle NO2 but also highlight the potential of oxidative air pollutants as energy sources for next-generation electrochemical energy storage(EES)systems.
