Hydrogen has high energy density and burns cleanly into water, which makes it a promising renewable resource. A new study published in the journal Science uses seawater electrolysis to produce sustainable hydrogen. Electrolysis involves passing an electric current through water, splitting water molecules into hydrogen and oxygen. However, the process requires a lot of energy, making it expensive for large-scale production. In addition, seawater electrolysis can produce dangerous chlorine gas. Nevertheless, the study suggests that renewable energy sources, such as wind and solar power, could provide power for an economic electrolysis process.
Seawater is an ideal source for hydrogen production because it is abundant and contains dissolved salt, which can improve the efficiency of the electrolysis process. Seawater electrolysis could produce up to 1,000 times more hydrogen than freshwater electrolysis, making it a desirable option for green hydrogen production. As a result, green hydrogen could provide an endless source of clean energy. In addition, hydrogen fuel cells can store renewable energy, such as wind and solar power, for use when these sources are unavailable.
Nevertheless, with improvements in the efficiency and cost-effectiveness of electrolysis, seawater electrolysis can be a sustainable green hydrogen source. While there are still some challenges to overcome, the potential benefits of green hydrogen are significant for a cleaner, more sustainable world for future generations.
Read the Science article: "Splitting seawater could provide an endless source of green hydrogen."
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