Cathode Surface-Induced, Solvation-Mediated, Micrometer-Sized Li<sub>2</sub> O<sub>2</sub> Cycling for Li-O<sub>2</sub> Batteries.
basic_science · Level V
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- Record sourced from PubMed, PMID 27634572.
- Also identified by DOI 10.1002/adma.201603454.
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Abstract
The "nonsticky" surface of a highly stable RuO<sub>2</sub> /carbon nanotube cathode enhances the formation and decomposition of cathode surface-induced, solvation-mediated, micrometer-sized discharge products Li<sub>2</sub> O<sub>2</sub> in Li-O<sub>2</sub> batteries and thus significantly improves the specific capacity, overpotentials, and cycle life. These findings contribute to a new understanding how the cathode surface controls Li-O<sub>2</sub> electrochemistry.