The Glasgow Climate Pact signed on the 26th Conference of the Parties of United Nations Framework Convention on Climate Change in 2021, saws representatives' determination for carbon neutrality by 2050. Meanwhile, "Net Zero by 2050: a Roadmap for the Global Energy Sector" proposed by International Energy Agency has suggested hydrogen as a decarbonization technology in various fields. As a clean, stable power with diverse sources, hydrogen provides a promising solution for energy, industry,...