In-situ generation of appropriate mixed-valence tin oxides on carbon nanofibers tuning CO2 reduction to formate - Wei Han; Xian Yue; Lu Liu; Fuzhi Li; Xianbo Yu; Hu Chen; Xiaoxue Xi; Shuao Xie; Zhongbo Hu; Huaxin Li; Junhui Xiang (Journal of Environmental Chemical Engineering, 2026)