Hirai, S.S.HiraiYagi, S.S.YagiChen, W. T.W. T.ChenChou, F. C.F. C.ChouOkazaki, N.N.OkazakiOhno, T.T.OhnoSuzuki, H.H.SuzukiMatsuda, T.T.Matsuda2020-04-212020-04-21201721983844https://scholars.lib.ntu.edu.tw/handle/123456789/485003The oxygen evolution reaction (OER) plays a key role in emerging energy conversion technologies such as rechargeable metal-air batteries, and direct solar water splitting. Herein, a remarkably low overpotential of ≈150 mV at 10 mA cm−2 disk in alkaline solutions using one of the non-Fermi liquids, Hg2Ru2O7, is reported. Hg2Ru2O7 displays a rapid increase in current density and excellent durability as an OER catalyst. This outstanding catalytic performance is realized through the coexistence of localized d-bands with the metallic state that is unique to non-Fermi liquids. The findings indicate that non-Fermi liquids could greatly improve the design of highly active OER catalysts. © 2017 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheimnon-Fermi liquids; overpotential; oxygen evolution reaction; transition metal oxides[SDGs]SDG7journal article10.1002/advs.201700176