Hydrogen gas storage tank
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United States of America
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Mar 1, 2022
Grant Date -
May 6, 2021
app pub date -
Nov 6, 2019
filing date -
Nov 6, 2019
priority date (Note) -
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Abstract
A hydrogen gas storage tank includes a body including a steel bulk region and a passivating metal oxide layer adjacent to the steel bulk region, the oxide layer comprising a number of metal oxide molecules, all having a morphology, wherein at least about 51 wt. % of the number of metal oxide molecules are Fe2O3 molecules having morphologies of (012), (001), and/or (110) surface facets such that the oxide layer is configured to lower hydrogen adsorption into the steel bulk region by at least 25% compared to a steel bulk region free from the passivating metal oxide layer.
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