1. Recent advances in two-dimensional materials and their nanocomposites in sustainable energy conversion applications;Khan;Nanoscale,2019
2. Hydrogen production technologies: from fossil fuels toward renewable sources. A mini review;Megia;Energy Fuels,2021
3. Directive (EU) 2018/2001 of the European Parliament and of the Council of 11 December 2018 on the Promotion of the Use of Energy from Renewable Sources (Recast), 2018. https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32018L2001 (accessed on Jan 5, 2023).
4. Hydrogen production by PEM water electrolysis – A review;Shiva Kumar;Mater. Sci. Energy Technol.,2019
5. EC, A Hydrogen Strategy for a Climate-Neutral Europe Published by European Commission, 2020. https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A52020DC0301 (accessed on Jan 5, 2023).