Phase Transformation of Needle-Like Fe-Co0.85Se to Hexagonal Fe-Co3O4 for Enhanced High-Current-Density Oxygen Evolution via Lattice Oxygen Redox. - Won YS; Kirubasankar B; Kim HJ; Kwon IS; Kim JW; Ko H; Han YK; Kim SM; Kim KK (Small (Weinheim an der Bergstrasse, Germany), 2025)