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. 2014 Aug 8;4:6005. doi: 10.1038/srep06005

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(a) First discharge-charge curves of Li-O₂ batteries with porous LaNiO₃ nanocubes, LaNiO₃ particles and VX-72 carbon electrodes at 0.08 mA cm⁻²; (b) First discharge-charge curves of Li-O₂ battery with porous LaNiO₃ nanocubes electrode at 0.16, 0.08, 0.04 and 0.016 mA cm⁻²; (c) Chronoamperometry showing normalized current evolution with time for various catalysts at 2.25 V; (d) Linear sweep voltammetry of porous LaNiO₃ nanocubes, LaNiO₃ particles and Vulcan X72 carbon catalysts.