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re: Stated at CERAWeek: Hydrogen adoption will cost Europe, US more than $1 trillion
Posted on 3/19/24 at 11:54 am to lostinbr
Posted on 3/19/24 at 11:54 am to lostinbr
quote:
Also crude oil has a higher volumetric energy density (MJ/L) than liquid hydrogen anyway, so not sure what math you used.
Hydrogen is 120 mj/kg. Crude is 42ish mj/kg
This post was edited on 3/19/24 at 2:20 pm
2
Posted on 3/19/24 at 12:03 pm to Cuz413
quote:It's a personal choice. Perhaps I should not have said "almost no..", but scheduled charging is a ubiquitous feature and very easy to do. It is beneficial all around, and I can't imagine many people not making use of it. It is easier on the battery (prolongs lifespan), easier on the grid, and easier on the pocketbook for those with time-of-use (peak vs. off-peak) electric billing.
Is this a personal choice, or, a hard feature to limit charging times?
Posted on 3/19/24 at 12:41 pm to crazyLSUstudent
quote:
Hydrogen is 120 mj/kg. Crude is 42ish mj/kj
quote:
Also crude oil has a higher volumetric energy density (MJ/L) than liquid hydrogen anyway, so not sure what math you used. Hydrogen has high energy density on a mass basis but it’s poor by volume due to low density, even when liquefied.
Because of the density difference, a barrel of crude oil contains more energy than a barrel of liquid hydrogen. It would take ~3.7 barrels of liquid hydrogen to equal the energy content of 1 barrel of crude oil.
It’s a bit of a moot point though since BOE isn’t actually based on volume anyway as I mentioned previously. A BOE basically means 6.1 GJ of energy content.
Posted on 3/19/24 at 1:20 pm to ragincajun03
Or we should be doing both bolstering of the O and G industry as well as adding in additional energy options.
Posted on 3/19/24 at 1:26 pm to crazyLSUstudent
what is a kj???
"hydrogen is 120 mj/kg". NOT a volumetric density term
Do a simple analysis of volumetric comparisons . How many 5 gallon buckets in each case for the same energy.
"hydrogen is 120 mj/kg". NOT a volumetric density term
Do a simple analysis of volumetric comparisons . How many 5 gallon buckets in each case for the same energy.
Posted on 3/19/24 at 2:04 pm to Saunson69
quote:Which state?
I work for a renewables that is planning 2 massive Hydrogen projects with CCS that combined are $6 billion in capex.
Posted on 3/19/24 at 2:43 pm to Trevaylin
Hydrogen is measured by mass not volume when used in transportation which was why I was trying to figure out what was going on with this article.
Posted on 3/19/24 at 2:49 pm to ragincajun03
Imagine these dumb tik Tok girls trying to figure out how to fill up a hydrogen tank
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