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Archive:000/Hydrogen gas: Difference between revisions
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* for [[fuel cell vehicles|vehicles]] | * for [[fuel cell vehicles|vehicles]] | ||
* for home electricity, in ''some'' cases{{en}}{{x|waste heat could also be used to heat the home}} | * for home electricity, in ''some'' cases{{en}}{{x|waste heat could also be used to heat the home}} | ||
<small>Just like [[natural gas]], hydrogen gas is non-toxic and odorless but highly flammable. For safety in consumer applications, small quantities of some non-toxic but smelly gas{{x|such as methyl mercaptan | <small>Just like [[natural gas]], hydrogen gas is non-toxic and odorless but highly flammable. For safety in consumer applications, small quantities of some non-toxic but smelly gas{{x|such as methyl mercaptan, hydrogen sulfide, or ethyl isobutyrate (Wikipedia has a page "Hydrogen odorant")}}should be added to it, so people can smell if there's a gas leak.</small> | ||
Hydrogen fuel cells are the opposite of the electrolysis mentioned above. A fuel cell takes in hydrogen gas (along with oxygen gas from the air), generates electricity, and leaves behind water vapor. | Hydrogen fuel cells are the opposite of the electrolysis mentioned above. A fuel cell takes in hydrogen gas (along with oxygen gas from the air), generates electricity, and leaves behind water vapor. | ||