Restructuring‐Regulated Bismuth Catalyst Promotes Electrochemical CO2 Reduction to Formic Acid in Acidic Electrolyte. - Chen, Ganwen; Liu, Chun; Chen, Jie; Xiao, Yukun; Da, Yumin; Wang, Meng; Ji, Chenrui; He, Jie; Xu, Rongjie; Fan, Lei; Tian, Zhangliu; Chen, Wei (Small Science, 2026)