T. Hong, S. Lee, P. Ohodnicki, K. Brinkman, “A highly scalable spray coating technique for electrode infiltration: Barium carbonate infiltrated La0.6Sr0.4Co0.2Fe0.8O3-δ perovskite structured electrocatalyst via spray coating” International Journal of Hydrogen Energy, 2017, 42 (39), 24978-24988 https://doi.org/10.1016/j.ijhydene.2017.08.091.