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We report that indium tin oxide (ITO) nanocrystals with supported 1\u20132\u2005nm oxygen evolution reaction (OER) catalyst Ru\/RuO<jats:sub><jats:italic>x<\/jats:italic><\/jats:sub> nanoparticles (NPs) demonstrate efficient OER processes, reduce the recharge overpotential of the cell significantly and maintain catalytic activity to promote a consistent cycling discharge potential in Li\u2013O<jats:sub>2<\/jats:sub> cells even when the ITO support nanocrystals deteriorate from the very first cycle. The Ru\/RuO<jats:sub><jats:italic>x<\/jats:italic><\/jats:sub> nanoparticles lower the charge overpotential compared with those for ITO and carbon\u2010only cathodes and have the greatest effect in DMSO electrolytes with a solution\u2010processable F\u2010free carboxymethyl cellulose (CMC) binder (&lt;3.5\u2005V) instead of polyvinylidene fluoride (PVDF). The Ru\/RuO<jats:sub><jats:italic>x<\/jats:italic><\/jats:sub>\/ITO nanocrystalline materials in DMSO provide efficient Li<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub> decomposition from within the cathode during cycling. We demonstrate that the ITO is actually unstable from the first cycle and is modified by chemical etching, but the Ru\/RuO<jats:sub><jats:italic>x<\/jats:italic><\/jats:sub> NPs remain effective OER catalysts for Li<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub> during cycling. The CMC binders avoid PVDF\u2010based side\u2010reactions and improve the cyclability. The deterioration of the ITO nanocrystals is mitigated significantly in cathodes with a CMC binder, and the cells show good cycle life. In mixed DMSO\u2013EMITFSI [EMITFSI=1\u2010ethyl\u20103\u2010methylimidazolium bis(trifluoromethylsulfonyl)imide] ionic liquid electrolytes, the Ru\/RuO<jats:sub><jats:italic>x<\/jats:italic><\/jats:sub>\/ITO materials in Li\u2013O<jats:sub>2<\/jats:sub> cells cycle very well and maintain a consistently very low charge overpotential of 0.5\u20130.8\u2005V.<\/jats:p>","DOI":"10.1002\/cssc.201601301","type":"journal-article","created":{"date-parts":[[2016,11,29]],"date-time":"2016-11-29T14:12:51Z","timestamp":1480428771000},"page":"575-586","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Influence of Binders and Solvents on Stability of Ru\/RuO<sub><i>x<\/i><\/sub> Nanoparticles on ITO Nanocrystals as Li\u2013O<sub>2<\/sub> Battery 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