Ba2+ doping into Ni/Al2O3 nanofibers promotes CO2 methanation via alkaline modulation - Mengyuan Zhang; Xiaoyan Lu; Ying Qu; Chuandong He; Jiali Dong; Kongliang Luo; Jian Ye; Nana Lu; Qiang Niu; Pengfei Zhang; Sheng Dai (Chemical Engineering Journal, 2024)