Seawater electrolysis for hydrogen production: a solution looking for a problem?Energy & Environmental ScienceM. A. Khan, Tareq Al-Attas, Soumyabrata Roy, Muhammad M. Rahman, Noreddine Ghaffour, Venkataraman Thangadurai, Stephen Larter, Jinguang Hu, Pulickel M. Ajayan, Md Golam Kibria2021ArticleThis study assesses research and development needs for direct seawater electrolysis from energy, cost and environmental aspects and presents a forward-looking perspective on future R&D priorities in desalination and electrolysis technologies.