Research on SOFC Properties of Low Concentration Gas Fuel and SFM-GDC Reforming Chao Han, Xinyue Dong, Leiyi He, Jin Xu, Pengxiang Li and Jiakang Li E3S Web Conf., 385 (2023) 03015 Published online: 04 May 2023 DOI: 10.1051/e3sconf/202338503015