Frontispiece: Amorphous MnRuOx Containing Microcrystalline for Enhanced Acidic Oxygen‐Evolution Activity and Stability.

Heterogeneous Catalysis. In their Research Article (e202405641), Gang Wu, Gao Li et al. report a MnRuOx catalyst exhibiting a unique structure, combining microcrystalline and amorphous regions. This design enables the catalyst to showcase excellent performance in water electrolysis...By Jingjing Zhang; Liangliang Xu; Xiaoxuan Yang; Song Guo; Yifei Zhang; Yang Zhao; Gang Wu and Gao LiReported by Author; Author; Author; Author; Author; Author; Author; Author [Extracted from the article]