Hydrogen as an energy currency - Revision history

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energy>Ethan.boechler at 19:27, 10 September 2021

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	[[Category:Done 2018-07-20]]		[[Category:Done 2018-07-20]]
			[[Category:Translated to Spanish]]
			[[Category:Translated to French]]
			[[fr:Hydrogène comme devise énergétique]]
			[[es:Hidrógeno como moneda energética]]
	[[File:fuelcell.png\|300px\|thumb\|Figure 1. A diagram of a hydrogen fuel cell. The hydrogen and oxygen combine to form water, while simultaneously producing electricity.<Ref>Wikimedia Commons [Online], Available: https://commons.wikimedia.org/wiki/File:Solid_oxide_fuel_cell.svg#/media/File:Solid_oxide_fuel_cell.svg</ref>]]		[[File:fuelcell.png\|300px\|thumb\|Figure 1. A diagram of a hydrogen fuel cell. The hydrogen and oxygen combine to form water, while simultaneously producing electricity.<Ref>Wikimedia Commons [Online], Available: https://commons.wikimedia.org/wiki/File:Solid_oxide_fuel_cell.svg#/media/File:Solid_oxide_fuel_cell.svg</ref>]]
	[[File:Fuelcell.jpg\|300px\|thumb\|Figure 2. A fuel cell vehicle configuration.<Ref>Wikimedia Commons. "Fuelcell" by Welleman, [Online], Available: https://commons.wikimedia.org/wiki/File:Fuelcell.jpg#/media/File:Fuelcell.jpg</ref>]]		[[File:Fuelcell.jpg\|300px\|thumb\|Figure 2. A fuel cell vehicle configuration.<Ref>Wikimedia Commons. "Fuelcell" by Welleman, [Online], Available: https://commons.wikimedia.org/wiki/File:Fuelcell.jpg#/media/File:Fuelcell.jpg</ref>]]

Jmdonev: 1 revision imported

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Jmdonev at 17:37, 20 July 2018

2018-07-20T17:37:24Z

← Older revision		Revision as of 17:37, 20 July 2018
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	[[Category:Done ~~2015~~-02-15]]		[[Category:Done 2018-07-20]]
	~~This article refers to hydrogen as a~~ [[~~molecule]], H<sub>2</sub>; this molecule isn't produced in nature on Earth and must be made by people in~~ a ~~lab or industrial facility~~. ~~Although molecular~~ hydrogen ~~is the most common [[molecule]] in the universe~~, ~~it's hard to tell exactly how much there is~~.<~~ref~~> ~~http~~://~~ned~~.~~ipac~~.~~caltech~~.~~edu~~/~~level5~~/~~Combes3/Combes4~~.~~html accessed December 17th, 2014~~</ref> ~~This is distinct from [[atom~~]]~~s of~~ [[~~hydrogen]~~], ~~which occur in great abundance on Earth and elsewhere in the universe~~.		[[File:fuelcell.png\|300px\|thumb\|Figure 1. A diagram of a hydrogen fuel cell. The hydrogen and oxygen combine to form water, while simultaneously producing electricity.<Ref>Wikimedia Commons [Online], Available: https://commons.wikimedia.org/wiki/File:Solid_oxide_fuel_cell.svg#/media/File:Solid_oxide_fuel_cell.svg</ref>]]
			[[File:Fuelcell.jpg\|300px\|thumb\|Figure 2. A fuel cell vehicle configuration.<Ref>Wikimedia Commons. "Fuelcell" by Welleman, [Online], Available: https://commons.wikimedia.org/wiki/File:Fuelcell.jpg#/media/File:Fuelcell.jpg</ref>]]

	<~~onlyinclude~~>'~~''Hydrogen''' can be seen as '''energy currency''' since it does not naturally occur~~ in ~~its molecular form~~ on Earth, and it must be made by ~~inputting some~~ [[~~energy~~]]~~. This turns~~ it ~~into a [[secondary fuel]] (a high density repository of energy that~~'s ~~easier~~ to ~~transport and use).</onlyinclude> Primary energy~~ is ~~needed to create hydrogen fuel. This energy comes either from burning [[fossil fuel]]s (or potentially [[nuclear power]], which David S~~. ~~Scott wrote about extensively),~~<ref ~~name=Scott~~> ~~Scott, "Smelling Land," 1st edition, Vancouver, Canada~~: ~~Canadian Hydrogen Association~~, ~~2007~~</ref> ~~or by using~~ [[~~intermittent electricity~~]] ~~sources like [[solar power]] and [[wind power]] to provide the necessary [[energy]]. While it may not sound like an~~ [[~~efficiency\|efficient]] use of energy to do this,~~ hydrogen ~~fuel is around ten times more [[energy density\|energy dense]] by volume than [[Lithium-ion battery\|Lithium-ion batteries~~]], and ~~more than 100x more energy dense by mass! This means that~~ in the future, if infrastructure changes, many "alternative" sources of primary energy, like [[wind]] and [[solar power]], may be used, the energy they create stored in hydrogen fuel, which is far more efficient than [[battery\|batteries]].		This article refers to hydrogen as a [[molecule]], H<sub>2</sub>. This molecule isn't produced in nature on Earth and must be made by people in a lab or an industrial facility. Although molecular hydrogen is the most common [[molecule]] in the universe, it's hard to tell exactly how much there is.<ref> http://ned.ipac.caltech.edu/level5/Combes3/Combes4.html accessed December 17th, 2014</ref> This is distinct from [[atom]]s of [[hydrogen]], which occur in great abundance on Earth and elsewhere in the universe.

	While hydrogen is an [[energy currency]], rather than a [[primary energy]] source, it is still considered to be a [[fuel]] (although not a primary energy source, it's a material with a high [[energy density]] source of electricity ~~that can easily be transported~~. Hydrogen is used in one of two ways: either in an [[internal combustion engine]] (burning it), or by reacting it directly with oxygen in a [[fuel cell]] to create [[electricity]] and run an [[electric motor]]. The former powers rockets, and the latter is how [[hydrogen-powered car]]s work.		<onlyinclude>'''Hydrogen''' can be seen as '''energy currency''' since it does not naturally occur in its molecular form on Earth, and is made by inputting some [[energy]], see figure 1. This turns it into a [[secondary fuel]] (a high density repository of energy that's easier to transport and use).</onlyinclude> Primary energy is needed to create hydrogen fuel. This energy comes either from burning [[fossil fuel]]s, using [[nuclear power]] (which David S. Scott wrote about extensively),<ref name=Scott> Scott, "Smelling Land," 1st edition, Vancouver, Canada: Canadian Hydrogen Association, 2007</ref> or by using [[intermittent electricity]] sources like [[solar power]] and [[wind power]]. While it may not sound like an [[efficiency\|efficient]] use of energy to do this, hydrogen fuel is about ten times more [[energy density\|energy dense]] by volume than [[lithium-ion battery\|Lithium-ion batteries]], and more than 100x more energy dense by mass! This means that in the future, if infrastructure changes, many "alternative" sources of primary energy, like [[wind]] and [[solar power]], may be used. Then the energy they create can be stored in hydrogen fuel, which is far more efficient than [[battery\|batteries]].

			While hydrogen is an [[energy currency]] rather than a [[primary energy]] source, it is still considered to be a [[fuel]] (although not a primary energy source). This is because it's a material with a high [[energy density]], making it an easily transportable source of electricity. Hydrogen is used in one of two ways: either in an [[internal combustion engine]] (burning it), or by reacting it directly with oxygen in a [[fuel cell]] to create [[electricity]] and run an [[electric motor]]. The former powers rockets, and the latter is how [[Alternative fuel vehicle#Fuel Cell Vehicle (FCV)\|hydrogen-powered car]]s work, like in Figure 2.

	Some authors<ref name= Scott/> feel that hydrogen is an inevitable energy currency, while others<ref>McMahon, "Emperor's New Hydrogen Economy" 1st edition, iUniverse, Inc., 2006</ref> feel quite strongly otherwise.		Some authors<ref name= Scott/> feel that hydrogen is an inevitable energy currency, while others<ref>McMahon, "Emperor's New Hydrogen Economy" 1st edition, iUniverse, Inc., 2006</ref> feel quite strongly otherwise.

			==For Further reading==
			*[[Hydrogen]]
			*[[Energy currency]]
			*[[Fuel cell]]
			*[[Alternative fuel vehicle#Fuel Cell Vehicle (FCV)\|Hydrogen-powered car]]
			*[[Primary energy]]
			*[[Secondary fuel]]
			*Or explore a [[Special:Random\|random page]]

	==References==		==References==
	{{reflist}}		{{reflist}}
	[[Category:Uploaded]]		[[Category:Uploaded]]

J.williams: 1 revision imported

2015-08-26T21:31:12Z

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J.williams at 16:54, 12 August 2015

2015-08-12T16:54:46Z

New page

[[Category:Done 2015-02-15]]
This article refers to hydrogen as a [[molecule]], H<sub>2</sub>; this molecule isn't produced in nature on Earth and must be made by people in a lab or industrial facility. Although molecular hydrogen is the most common [[molecule]] in the universe, it's hard to tell exactly how much there is.<ref> http://ned.ipac.caltech.edu/level5/Combes3/Combes4.html accessed December 17th, 2014</ref> This is distinct from [[atom]]s of [[hydrogen]], which occur in great abundance on Earth and elsewhere in the universe.

<onlyinclude>'''Hydrogen''' can be seen as '''energy currency''' since it does not naturally occur in its molecular form on Earth, and it must be made by inputting some [[energy]]. This turns it into a [[secondary fuel]] (a high density repository of energy that's easier to transport and use).</onlyinclude> Primary energy is needed to create hydrogen fuel. This energy comes either from burning [[fossil fuel]]s (or potentially [[nuclear power]], which David S. Scott wrote about extensively),<ref name=Scott> Scott, "Smelling Land," 1st edition, Vancouver, Canada: Canadian Hydrogen Association, 2007</ref> or by using [[intermittent electricity]] sources like [[solar power]] and [[wind power]] to provide the necessary [[energy]]. While it may not sound like an [[efficiency|efficient]] use of energy to do this, hydrogen fuel is around ten times more [[energy density|energy dense]] by volume than [[Lithium-ion battery|Lithium-ion batteries]], and more than 100x more energy dense by mass! This means that in the future, if infrastructure changes, many "alternative" sources of primary energy, like [[wind]] and [[solar power]], may be used, the energy they create stored in hydrogen fuel, which is far more efficient than [[battery|batteries]].

While hydrogen is an [[energy currency]], rather than a [[primary energy]] source, it is still considered to be a [[fuel]] (although not a primary energy source, it's a material with a high [[energy density]] source of electricity that can easily be transported. Hydrogen is used in one of two ways: either in an [[internal combustion engine]] (burning it), or by reacting it directly with oxygen in a [[fuel cell]] to create [[electricity]] and run an [[electric motor]]. The former powers rockets, and the latter is how [[hydrogen-powered car]]s work.

Some authors<ref name= Scott/> feel that hydrogen is an inevitable energy currency, while others<ref>McMahon, "Emperor's New Hydrogen Economy" 1st edition, iUniverse, Inc., 2006</ref> feel quite strongly otherwise.
==References==
{{reflist}}
[[Category:Uploaded]]