The lightest element, used in energy systems as a carrier rather than a primary source: it must first be made, today mostly from natural gas and increasingly by electrolysis of water using renewable electricity. Hydrogen burns and reacts in fuel cells without carbon emissions at the point of use, which put it at the center of plans to decarbonize steelmaking, fertilizer, shipping and long-term energy storage.
Facts
Source Class First Commercial YearMarks the Toyota Mirai, launched in Japan in December 2014, the first mass-produced hydrogen fuel cell vehicle sold commercially. Hydrogen fuel cells had earlier non-commercial and niche industrial/aerospace uses (for example NASA spacecraft), but this is the first commercial sale of hydrogen as an energy source to ordinary buyers. Connections
Associated With
Ammonia, Energy Sources Ammonia is a leading candidate hydrogen carrier (17.6 wt% hydrogen by mass), central to IEA's Future of Hydrogen analysis of storing and transporting hydrogen as ammonia.
Electrolyzers produce hydrogen rather than consume it; the association is production, not use.
Source International Energy Agency Official Site
Source United States Energy Information Administration Official Site
Used By
Source United States Department of Energy Official Site
Sources
1. International Energy Agency Official Site
2. Wikipedia: Toyota Mirai
WikipediaLead sectionQuote, Lead section
the first FCV to be mass-produced and sold commercially
United States Energy Information Administration Official Site
US Energy Information AdministrationHydrogen explained
generally presents as two hydrogen molecules (H2)
Associated With: Energy Carrier, What is energy explained, Sources of energy
Both types of energy can be used as primary energy sources (an energy source in its original form) to produce useful energy such as heat, or they can be used to produce secondary energy sources such as electricity and hydrogen.
View the Source United States Department of Energy Official Site
US Department of EnergyUsed By: Fuel Cell, Hydrogen and Fuel Cell Technologies Office, Fuel CellsQuote, Used By: Fuel Cell, Hydrogen and Fuel Cell Technologies Office, Fuel Cells
Hydrogen fuel cells emit only water with no air pollutants that create smog and cause health problems.
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