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We study the relationship between Li₂O₂ morphology and the electrochemical performance of the Li–O₂ battery using a combination of experiment and theory. Experimental Li–O₂ battery discharge curves are accurately captured by a theoretical model in which electrode performance is limited by the nucleation and growth of discrete Li₂O₂ nanostructures i...
Metal–air batteries, especially lithium and sodium air technologies, have attracted significant research attention in the past decade. The high theoretical specific energy (3500 Wh kg−1 for Li–O2 and 1600 Wh kg−1 for Na–O2) and moderate equilibrium potential (2.96 V for Li–O2 and 2.3 V for Na–O2) make these chemistries attractive energy storage pla...
Research on sodium–oxygen batteries has gained unprecedented momentum in recent times. With a high theoretical specific energy of 1600 W h kg−1 and an equilibrium discharge potential of 2.3 V, a rechargeable sodium–oxygen battery embodies an attractive new metal–air battery platform for applications in transportation. As an earth-abundant element,...
An electrochemical cell based on the reversible oxygen reduction reaction: 2Li+ + 2e - + O2↔ Li2O2, provides among the most energy dense platforms for portable electrical energy storage. Such Lithium-Oxygen (Li-O2) cells offer specific energies competitive with fossil fuels and are considered promising for electrified transportation. Multiple, fun...
Metal–air batteries, especially lithium and sodium air technologies, have attracted significant research attention in the past decade. The high theoretical specific energy (3500 Wh kg −1 for Li–O 2 and 1600 Wh kg −1 for Na–O 2) and moderate equilibrium potential (2.96 V for Li–O 2 and 2.3 V for Na–O 2) make these chemistries attractive energy stora...