Hydrogen from Seawater Splitting: Technology and Outlook - Hardcoverby Abhijit Ray (Editor), Malkeshkumar Patel (Editor) Hydrogen is a key vector of decarbonized energy systems. It can be used as long term and seasonal storage for electricity itself, as well as in the automotive sector, for space heating and for the chemical industry. In order to be sustainable, it is vital that hydrogen is generated without carbon emissions. One option is electrocatalysis, which uses electricity to split the water. Other options are