this post was submitted on 11 Jun 2024
121 points (91.7% liked)

Technology

58135 readers
4450 users here now

This is a most excellent place for technology news and articles.


Our Rules


  1. Follow the lemmy.world rules.
  2. Only tech related content.
  3. Be excellent to each another!
  4. Mod approved content bots can post up to 10 articles per day.
  5. Threads asking for personal tech support may be deleted.
  6. Politics threads may be removed.
  7. No memes allowed as posts, OK to post as comments.
  8. Only approved bots from the list below, to ask if your bot can be added please contact us.
  9. Check for duplicates before posting, duplicates may be removed

Approved Bots


founded 1 year ago
MODERATORS
top 50 comments
sorted by: hot top controversial new old
[–] Grimy@lemmy.world 37 points 3 months ago (9 children)

Fuck hydrogen. Its a fake green product so oil companies can transition as slow as they want while still keeping their strangle hold on our society.

[–] assassin_aragorn@lemmy.world 13 points 3 months ago* (last edited 3 months ago) (2 children)

It depends a lot on where the hydrogen is sourced from. Hydrogen that is generated from electrolyzers using renewable power is completely green (and funny enough, called Green Hydrogen), and is a good way to store excess energy from solar and wind.

Oil companies however want to market hydrogen from drilling and refining, which is dirty as hell.

It's an important differentiation to make though. Hydrogen is not inherently bad and will have plenty of green applications. We just have to make sure it's coming from the right places.

[–] Grimy@lemmy.world 5 points 3 months ago (1 children)

Sadly almost all hydrogen currently making its way to market is dirty. I have high hopes for it in the future but it seems like thinly veiled poison at the moment.

And this article is definitely about the dirty kind or at least feels like it is.

[–] assassin_aragorn@lemmy.world 4 points 3 months ago

There's companies working on it! ~~We're just broke~~

And yes, this is definitely the dirty kind. It may still be an improvement on using natural gas directly, but there would need to be a fairly comprehensive analysis to tell for sure. One possible advantage though is we could start building up a hydrogen infrastructure that we can then feed green hydrogen into and completely replace the dirty hydrogen.

Anyway though, you're right to be skeptical. It's important though to look into the details to determine if it's legitimately green energy or if it's just oil companies greenwashing. We need to shun the latter while we promote the former.

(There is a grey area, and it's the same as electric cars -- if we're using electricity from the grid to power cars, and electrolyzers which make hydrogen, is it truly green? I would say this is acceptable for the same reason EVs are acceptable. It'll become completely emission free once the grid is run on renewables.)

[–] GissaMittJobb@lemmy.ml 5 points 3 months ago (3 children)

and is a good way to store excess energy from solar and wind.

Is it really that good of a storage method, though? The round-trip efficiency is quite bad when compared to other methods of storage.

[–] assassin_aragorn@lemmy.world 4 points 3 months ago (1 children)

We'll need it anyway to produce existing chemical materials sustainably. It may not be the best energy carrier nor most efficient, but it shines in specific applications. Vehicles are a promising example.

[–] GissaMittJobb@lemmy.ml 1 points 3 months ago

There are some use-cases where hydrogen will be useful, but I don't think storage is one of them. Nor do I think vehicles are a particularly good use-case either, as compared to just iterating on battery technology.

[–] RarePossum@programming.dev 2 points 3 months ago (1 children)

Acording to this paper/article, its better than technologies such as batteries, but the study isn't the most comprehensive and doesn't consider things like pump hydro.

[–] GissaMittJobb@lemmy.ml 1 points 3 months ago

It's hard to assess the validity of those claims as the article doesn't bring any numbers and the paper itself is paywalled. As the fossil fuel industry is pushing hard towards wedging in hydrogen as a means of keeping themselves alive for a while longer, it's vital to be able to assess the actual claims, lest they are just planted there by the fossil fuel industry.

[–] CrimeDad@lemmy.crimedad.work 1 points 3 months ago (1 children)

"That good of a storage method" in terms of what, arbitrage? We should be producing hydrogen for the practical and environmental benefits of having emissions-free vehicle fuel (that avoids the problems of battery production and disposal), steel, and fertilizer.

[–] GissaMittJobb@lemmy.ml 1 points 3 months ago (1 children)

I don't see any good reason why the merits of hydrogen for vehicle fuel would be any better than production and disposal of batteries. The other cases I agree that hydrogen will have a useful niche.

[–] CrimeDad@lemmy.crimedad.work 1 points 3 months ago

This article is a little old, but it explains the problems on the disposal side pretty well. This one covers the production side. Hydrogen powered vehicles avoid all that.

load more comments (8 replies)
[–] Zrybew@lemmy.world 33 points 3 months ago

We're about to make Fracking look like a great idea 😂

[–] fubarx@lemmy.ml 32 points 3 months ago (1 children)

Wait. Am I getting this right? They want to inject high-pressure steam and chemicals into a massive underground natural gas reservoir. Then set off a big fire + explosion.

Surely, nothing can go wrong.

[–] CrimeDad@lemmy.crimedad.work 7 points 3 months ago (1 children)

It's called in situ combustion and apparently it's a well established practice in the petroleum industry: https://glossary.slb.com/en/terms/i/in-situ_combustion

[–] corsicanguppy@lemmy.ca 20 points 3 months ago (9 children)

So is coal extraction. How long has that coal fire burned under that town? 60 years?

load more comments (9 replies)
[–] RememberTheEnding@lemmy.blahaj.zone 16 points 3 months ago (2 children)
[–] xodoh74984@lemmy.world 6 points 3 months ago* (last edited 3 months ago) (1 children)

First of all, they spelled Heelys wrong. Second, Heelys are a great idea, even better as an adult in an office with polished concrete floors.

[–] corsicanguppy@lemmy.ca 3 points 3 months ago (1 children)

So heely wheels deliberately pluralize wrong?

[–] xodoh74984@lemmy.world 1 points 3 months ago* (last edited 3 months ago)

Yep. It bothers me, but I respect the decision.

[–] Crashumbc@lemmy.world 8 points 3 months ago (1 children)

Yes because igniting fires underground is a GREAT idea!

Centralia,PA would like a word...

load more comments (1 replies)
[–] lath@lemmy.world 5 points 3 months ago

This how you realize that there are people around that just want to blow shit up.

[–] Devdogg@lemmy.ml 4 points 3 months ago (1 children)

Yeah, something about this screams at me it's not right.

Why wouldn't this work? What would go wrong?

[–] Mongostein@lemmy.ca 9 points 3 months ago (1 children)

Producing hydrogen from natural gas still releases carbon in to the air.

[–] CrimeDad@lemmy.crimedad.work 4 points 3 months ago (1 children)

...which is the whole reason for doing the SMR within the natural reservoir and leaving the CO~2~ in there.

[–] Mongostein@lemmy.ca 5 points 3 months ago* (last edited 3 months ago) (1 children)

We could just give up on the idea that natural gas is “clean.”

[–] CrimeDad@lemmy.crimedad.work 1 points 3 months ago (1 children)

That used to be my thinking, but there's a lot of natural gas ready to be exploited and we need hydrogen. Therefore, methods like the one described in the article as well as ex situ methane pyrolysis are worth investigating.

[–] corsicanguppy@lemmy.ca 4 points 3 months ago (1 children)

but there's a lot of natural gas ready to be exploited

Sooooo money. That's the exception to doing the right thing?

[–] CrimeDad@lemmy.crimedad.work 1 points 3 months ago

You forgot to quote the rest of that sentence. We need hydrogen, which is easy to get from natural gas, of which there is a lot. The right thing to do is figure out how to use it without emitting greenhouse gases. The problem is the same whether we're under the current mode of production or some hypothetical moneyless condition.

[–] bamfic@lemmy.world 2 points 3 months ago (1 children)

carbon monoxide? is that healthy for you?

load more comments (1 replies)
load more comments
view more: next ›