Y. Meng, J. Gao, H. Huang, M. Zou, J. Duffy, J. Tong, K.S. Brinkman, “A high-performance reversible protonic ceramic electrochemical cell based on a novel Sm-doped BaCe0· 7Zr0· 1Y0· 2O3-δ electrolyte”, Journal of Power Sources, 2019, 439, 227093.