Negatively charged platinum nanoparticles on dititanium oxide electride for ultra-durable electrocatalytic oxygen reduction
Erbing Hua, Seunggun Choi, Siyuan Ren, Sungjun Kim, Sungjun Kim, Ghulam Ali, Seon Je Kim, Seon Je Kim, Woo‐Sung Jang, Soyun Joo, Jingshu Zhang, Seulgi Ji, Yun Seong Cho, Joohoon Kang, Taeseup Song, Seungbum Hong, Heechae Choi, Young‐Min Kim, HyukSu Han, Sung Wng Kim, Sung Wng Kim
Abstract
Negatively charged Pt nanoparticles supported by a [Ti 2 O] 2+ ·2e − electride with a self-passivation a-TiO x layer demonstrated superb long-term durability in the electrocatalytic ORR, which is superior to that of commercial Pt/C catalysts.
Topics & Concepts
PassivationPlatinumCatalysisOxygen reductionNanoparticlePlatinum nanoparticlesMaterials scienceOxideDurabilityOxygenLayer (electronics)Inorganic chemistryChemical engineeringNanotechnologyChemistryElectrodeMetallurgyElectrochemistryComposite materialOrganic chemistryPhysical chemistryEngineeringElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsAdvanced battery technologies research