Biochar assembled Ni atom‐clusters for hydrogen‐free and solvent‐free deoxygenation of fatty acids. - Chen, Bin; Cha, Xingwen; Dong, Xuexue; Bian, Juanjuan; Huang, Jiale; Li, Qingbiao; Huang, Xiaoqing; Zhan, Guowu (AIChE Journal, 2025)