Chem. Commun., 2026, Accepted Manuscript DOI: 10.1039/D6CC03856E, Communication Jing Zhang, He Liu, Rui Wan, Haoyu Zhang, Qinrui Liang, Bin Chen An integrated electrode is fabricated by electrodepositing MoO3 onto anti-perovskite grown on nickel foam. The heterostructure electrocatalyst enables charge redistribution and bifunctional active sites, and delivers ultralow oxygen evolution reaction...