{"id":145732,"date":"2022-09-06T05:24:33","date_gmt":"2022-09-06T10:24:33","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2022\/09\/super-dense-packing-of-hydrogen-molecules-on-a-surface"},"modified":"2022-09-06T05:24:33","modified_gmt":"2022-09-06T10:24:33","slug":"super-dense-packing-of-hydrogen-molecules-on-a-surface","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2022\/09\/super-dense-packing-of-hydrogen-molecules-on-a-surface","title":{"rendered":"Super-dense packing of hydrogen molecules on a surface"},"content":{"rendered":"<p><a class=\"blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/super-dense-packing-of-hydrogen-molecules-on-a-surface.jpg\"><\/a><\/p>\n<p>Hydrogen (H 2) is currently discussed as an ideal energy carrier in a world requiring renewable energies. Hydrogen has the highest gravimetric energy density of all chemical fuels (141 MJ\/kg), which is three times higher than gasoline (46 MJ\/kg). However, its low volumetric density restricts its widespread use in transportation applications \u2014as current storage options require a lot of space.<\/p>\n<p>At ambient temperature, hydrogen is a gas, and one kilogram of hydrogen occupies a volume of 12,000 liters (12 cubic meters). In fuel-cell vehicles, hydrogen is stored under a very high pressure of 700 times the atmospheric pressure, which reduces the volume to 25 liters per kilogram of H 2.<\/p>\n<p>Liquid hydrogen shows a higher density resulting in 14 liters per kilogram, but it requires extremely low temperatures since the boiling point of hydrogen is minus 253 \u00b0C.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hydrogen (H 2) is currently discussed as an ideal energy carrier in a world requiring renewable energies. Hydrogen has the highest gravimetric energy density of all chemical fuels (141 MJ\/kg), which is three times higher than gasoline (46 MJ\/kg). However, its low volumetric density restricts its widespread use in transportation applications \u2014as current storage options [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,1497,1491],"tags":[],"class_list":["post-145732","post","type-post","status-publish","format-standard","hentry","category-chemistry","category-energy","category-transportation"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/145732","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=145732"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/145732\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=145732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=145732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=145732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}