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Lee, Dong Jin; Lee, Hongkyung; Kim, Yun-Jung; Park, Jung-Ki; Kim, Hee-Tak
Advanced materials (Weinheim), February 3, 2016, Letnik: 28, Številka: 5Journal Article
A synergic combination of a soluble redox mediator and a protected Li metal electrode to prevent the self‐discharge of the redox mediator is realized by exploiting a 2,2,6,6‐tetramethylpiperidinyl 1‐oxyl (TEMPO) redox mediator and an Al2O3/PVdF‐HFP composite protective layer (CPL). Stabilization of Li metal by simple CPL coating is effective at suppressing the chemical reduction of the oxidized TEMPO and opens up the possibility of sustainable redox mediation for robust cycling of Li–O2 batteries.
