Nature CommunicationsStrain heterogeneity in RuO2 for efficient acidic oxygen evolution reaction in proton exchange membrane water electrolysisXuejie CaoLicheng MiaoWenqi JiaHongye QinGuangliang LinRongpeng MaTing JinLifang Jiao2025-07-05Full textDOI https://doi.org/10.1038/s41467-025-58570-3