Chem. Commun., 2026, Accepted Manuscript DOI: 10.1039/D6CC02543A, Communication Kun Zhang, Zengtian Li, Zhangyi Tao, Wenjun Shi, Jiahui Shan, Xinyu Ding, Ming Ge, Xiaolei Yuan, Zhao Cai, Qiang Gao NiFe layered double hydroxide nanoarray catalysts were loaded on a Ni metal substrate with micro-scale curvature, which showed improved interfacial reaction kinetics and achieved a low OER overpotential of 257...