Photocharging of high-potential spinel LiMn2O4 is demonstrated by using a water-in-salt electrolyte and TiO2 nanoparticles. In a developed half-cell system with an electron acceptor, Li extraction from LiMn2O4 proceeds under… Click to show full abstract
Photocharging of high-potential spinel LiMn2O4 is demonstrated by using a water-in-salt electrolyte and TiO2 nanoparticles. In a developed half-cell system with an electron acceptor, Li extraction from LiMn2O4 proceeds under the illumination of UV-visible light at an estimated rate of ∼23 mA g-1. This work paves the way for high-potential cathode materials in photo-rechargeable batteries.
               
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