ArtikBanana

joined 1 year ago
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Israeli Forces Killed 28 Health Care Workers in Lebanon in 24 Hours, WHO Says in c/[email protected]
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Switzerland authorizes removable PV plant on railway track (www.pv-magazine.com)
 

PV = Photovoltaic

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ADM pauses CO2 injection at carbon capture storage site after finding potential leak (www.reuters.com)
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Three Mile Island owner seeks $1.6 billion federal loan to restart nuclear plant for Microsoft AI facility (www.phillyvoice.com)
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Nightmare House: Reimagined - Announcement Trailer (www.youtube.com)
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Altech’s sodium chloride solid state battery exceeds expectations (www.ess-news.com)
Firebrick thermal energy storage could reach 170 GW in the U.S. by 2050 in c/[email protected]
[–] [email protected] 14 points 3 weeks ago (5 children)

Their previous study also goes into efficiency and cost.
One of the main advantages of firebricks is their low cost.

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Firebrick thermal energy storage could reach 170 GW in the U.S. by 2050 (pv-magazine-usa.com)
 

Firebrick systems powered by renewable energy could be used for up to 90% of industrial process heat applications, the Stanford study says. Meeting that demand in the U.S. would require firebrick system capacity of 2.6 TWh, with a peak discharge rate of 170 GW.

World now has five times more photovoltaics than nuclear power in c/[email protected]
[–] [email protected] 9 points 3 weeks ago

A bit more than half of the land used to grow corn for ethanol in the USA, is needed for a photovoltaic system to power the entire country according to Prof. Mark Z Jacobson (who calculated it according to 2050 energy needs after full electrification).

World now has five times more photovoltaics than nuclear power in c/[email protected]
[–] [email protected] 18 points 3 weeks ago (1 children)

Photovoltaics

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World now has five times more photovoltaics than nuclear power (www.pv-magazine.com)
submitted 3 weeks ago* (last edited 3 weeks ago) by [email protected] to c/[email protected]
42 comments fedilink
 

“But even in the only country that is massively building, China, nuclear development is comparatively marginal. In 2023, China started up one new nuclear reactor, that is plus 1 GW, and more than 200 GW of solar alone. Solar generated 40% more power than nuclear and all non-hydro renewables—mainly wind, solar, and biomass—generated four times as much as nuclear.”
The report also highlights how nuclear power is being challenged not only by the strong growth of solar and wind, but also by battery storage, whose costs are projected to decline below those of coal-fired and nuclear power plants by around 2025 in China. “Solar plus storage is already significantly lower than nuclear power in most markets today, as well as highly competitive with other low-emissions sources of electricity that are commercially available today,” it also notes.
The authors also cite data from investment bank Lazard revealing that solar-plus-storage can already be cheaper than gas peaking and new nuclear. “The competitive cost and large-scale availability of variable renewable energy sources combined with firming options—especially storage—could well turn out to be the game-changer of energy policy in the years to come,” they further explain.

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The world’s largest wind-powered cargo ship just made its first delivery across the Atlantic (www.fastcompany.com)
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Electric Boat Costs 40–50€ to Cross Baltic Sea, vs 750€ Refueling Gas Boat (cleantechnica.com)
 

While the much lower fuel cost has to be a bit of a shocker (we all know EVs are more efficient and cheaper to operate, but not 95% cheaper), the bigger surprise has to be how much more convenient the electric boat was in a certain key way. “We actually had range anxiety, but not for the Candela. The irony is that the photographer’s gasoline-powered chase boat had to refuel six times during the trip, while we only charged three times,” said Gustav Hasselskog.

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Composite plastic degrades easily with bacteria, offers environmental benefits (phys.org)
Meet DAVE: Discord’s New End-to-End Encryption for Audio & Video in c/[email protected]
[–] [email protected] 2 points 3 weeks ago

From what I remember, in Zoom the meeting's host needs to enable E2EE, it's not automatic, and it disables a lot of Zoom's features while also limiting the amount of participants.

Longi achieves 34.6% efficiency for two-terminal tandem perovskite solar cell prototype in c/[email protected]
[–] [email protected] 6 points 4 weeks ago

I've seen them say their solar panels will provide more energy for the same amount of land at a lower cost.
But it doesn't seem like their prices are publicly available yet.

Longi achieves 34.6% efficiency for two-terminal tandem perovskite solar cell prototype in c/[email protected]
[–] [email protected] 11 points 4 weeks ago* (last edited 4 weeks ago) (2 children)

I think it's still interesting as it shows the potential.

And Oxford PV recently had a commercial sale of a perovskite solar panel with a 25 year guarantee

By adapting the formulation and synthesis of the perovskite and the cell design and encapsulation optimization, Oxford PV succeeded in mitigating stability-related deficits and aims at providing future buyers of their modules with the industry-standard 25 year performance guarantee

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Longi achieves 34.6% efficiency for two-terminal tandem perovskite solar cell prototype (www.pv-magazine.com)
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Massive, 400 tonne electric cranes arrive at the Port of San Diego (electrek.co)
The Hydrogen Stream: H2Mare project links electrolyzers to wind turbine in c/[email protected]
[–] [email protected] 4 points 1 month ago (3 children)

From the article, it looks like the focus is on the more relevant parts for hydrogen, the chemical and steel industries.
Those and long haul vehicles (planes and ships) seem like the places where hydrogen is more relevant / the only realistic option at the moment.

Oxford PV starts commercial distribution of perovskite solar modules in c/[email protected]
[–] [email protected] 4 points 1 month ago (1 children)

Copying from a previous comment of mine:

https://doi.org/10.1039/D2SE00096B

By adapting the formulation and synthesis of the perovskite and the cell design and encapsulation optimization, Oxford PV succeeded in mitigating stability-related deficits and aims at providing future buyers of their modules with the industry-standard 25 year performance guarantee

Looking for a recommendation of a glove80 like in c/[email protected]
[–] [email protected] 6 points 1 month ago

Personally I find the Glove80 very comfortable. But I also wanted it for the rest of its features. So it depends on what are you looking for in a keyboard / what are your priorities.

You can also just keep the lights off and get the blank keycaps for the Glove80.

Looking for a recommendation of a glove80 like in c/[email protected]
[–] [email protected] 3 points 1 month ago* (last edited 1 month ago) (2 children)

Like the Glove80 in what way?
There's nothing else that's exactly like it.

I guess the Kinesis Advantage360 is the most similar, but it's still quite different.

A unique aquaponics system to produce more fish and vegetables with less energy in c/[email protected]
[–] [email protected] 9 points 1 month ago* (last edited 1 month ago)

The difference here is in the efficiency of the system.
And that this is an aquaponics system, which includes growing both fish and vegetables.

After more than two years of testing, Prof. Gross's system demonstrated 1.6 times higher plant areal productivity, 2.1 times lower water usage and 16% less energy consumption per kilogram of feed than conventional systems. His calculations suggest that upscaling to about one ton of fish will allow operation of the system with no need for external energy, less than 1% water exchange, negligible waste production as well as significant carbon sequestration.

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