1. B. Zhang, S.X. Zhang, R. Yao, Y.H. Wu, and J.S. Qiu, Progress and prospects of hydrogen production: Opportunities and challenges, J. Electron. Sci. Technol., 19(2021), No. 2, art. No. 100080.
2. R.L. Germscheidt, D.E.B. Moreira, R.G. Yoshimura, et al., Hydrogen environmental benefits depend on the way of production: An overview of the main processes production and challenges by 2050, Adv. Energy Sustain. Res., 2(2021), No. 10, art. No. 2100093.
3. P.J. Megía, A.J. Vizcaíno, J.A. Calles, and A. Carrero, Hydrogen production technologies: From fossil fuels toward renewable sources. A mini review, Energy Fuels, 35(2021), No. 20, p. 16403.
4. M.D. Ji and J.L. Wang, Review and comparison of various hydrogen production methods based on costs and life cycle impact assessment indicators, Int. J. Hydrogen Energy, 46(2021), No. 78, p. 38612.
5. S. Shiva Kumar and V. Himabindu, Hydrogen production by PEM water electrolysis - A review, Mater. Sci. Energy Technol., 2(2019), No. 3, p. 442.