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
Source Francis Thomas Bacon (Wikipedia)
Source Johnson thermoelectric energy converter - Wikipedia
Source Rudolf Erren (Wikipedia)
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Source Wikipedia: Alkaline fuel cell
Source United States Department of Energy Official Site
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Source Wikipedia: Hydrogen clathrate
Source Metal hydride fuel cell - Wikipedia
Source Wikipedia: Proton-exchange membrane fuel cell
Source Wikipedia: Protonic ceramic fuel cell
Source Wikipedia: Solid acid fuel cell
Source Unitized regenerative fuel cell - Wikipedia
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
View the Source 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.
View the Source Wikipedia: Alkaline fuel cell
WikipediaUsed By: Alkaline Fuel Cell, Wikipedia article leadQuote, Used By: Alkaline Fuel Cell, Wikipedia article lead
fuel cell technologies. Alkaline fuel cells consume hydrogen and pure oxygen, to produce potable water, heat, and electricity. They are among the
View the Source Wikipedia: Protonic ceramic fuel cell
Used By: Protonic Ceramic Fuel Cell, Wikipedia article leadQuote, Used By: Protonic Ceramic Fuel Cell, Wikipedia article lead
cathode. These fuel cells produce electricity by removing an electron from a hydrogen atom, pushing the charged hydrogen atom through the ceramic membrane, and
View the Source Fuel cell power plant - Wikipedia
Used By: Fuel Cell Power Plant, Wikipedia article leadQuote, Used By: Fuel Cell Power Plant, Wikipedia article lead
plants can operate on different fuels, including hydrogen, natural gas, biogas, methanol, and hydrogen-rich fuels produced from other sources. The most common
View the Source Francis Thomas Bacon (Wikipedia)
Associated With: Francis Thomas Bacon, Wikipedia article leadQuote, Associated With: Francis Thomas Bacon, Wikipedia article lead
who in 1932 developed the first practical hydrogen-oxygen fuel cell. It is used to generate power for space capsules and satellites.
View the Source Rudolf Erren (Wikipedia)
Associated With: Rudolf Erren, Wikipedia article leadQuote, Associated With: Rudolf Erren, Wikipedia article lead
and inventor who did important work on the use of hydrogen fuels in the early 20th century. He had several patents, developed the
View the Source Unitized regenerative fuel cell - Wikipedia
Used By: Unitized Regenerative Fuel Cell, LeadQuote, Used By: Unitized Regenerative Fuel Cell, Lead
A unitized regenerative fuel cell (URFC) is a fuel cell based on the proton exchange membrane which can do the electrolysis of water in regenerative mode and function in the other mode as a fuel cell recombining oxygen and hydrogen gas to produce electricity.
View the Source Metal hydride fuel cell - Wikipedia
Used By: Metal Hydride Fuel Cell, LeadQuote, Used By: Metal Hydride Fuel Cell, Lead
A notable feature is their ability to chemically bond and store hydrogen within the fuel cell itself.
View the Source Wikipedia: Solid acid fuel cell
Used By: Solid Acid Fuel Cell, LeadQuote, Used By: Solid Acid Fuel Cell, Lead
Current SAFC systems use hydrogen gas obtained from a range of different fuels, such as industrial-grade propane and diesel.
View the Source Wikipedia: Proton-exchange membrane fuel cell
Used By: Proton Exchange Membrane Fuel Cell, ReactionsQuote, Used By: Proton Exchange Membrane Fuel Cell, Reactions
A stream of hydrogen is delivered to the anode side of the MEA.
View the Source Alkaline anion-exchange membrane fuel cell - Wikipedia
Used By: Alkaline Anion-Exchange Membrane Fuel Cell, MechanismQuote, Used By: Alkaline Anion-Exchange Membrane Fuel Cell, Mechanism
In an AAEMFC, the fuel, hydrogen or methanol, is supplied at the anode and oxygen through air, and water are supplied at cathode.
View the Source High Temperature Proton Exchange Membrane fuel cell - Wikipedia
Used By: High Temperature Proton Exchange Membrane Fuel Cell, OverviewQuote, Used By: High Temperature Proton Exchange Membrane Fuel Cell, Overview
thus is typically operated with reformate gas with hydrogen concentration of about 50 to 75%
View the Source Wikipedia: Hydrogen clathrate
Used By: Hydrogen Clathrate, LeadQuote, Used By: Hydrogen Clathrate, Lead
A hydrogen clathrate is a clathrate containing hydrogen in a water lattice.
View the Source Johnson thermoelectric energy converter - Wikipedia
Associated With: Lonnie Johnson, LeadQuote, Associated With: Lonnie Johnson, Lead
utilizes the electrochemical oxidation and reduction of hydrogen within a two-cell thermal cycle
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