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#hydrogen

15 posts11 participants0 posts today
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Doug Bostrom

This ought not to matter but we've made it part of an increasingly perilous budget.

"Atmospheric hydrogen indirectly contributes to greenhouse warming by extending methane lifetime, and increasing stratospheric water vapor and tropospheric ozone. Its main sinks are oxidation with OH, and dry deposition via microbial soil uptake. The latter accounts for approximately
50-90% of the sink and is poorly constrained under present day conditions..."

#hydrogen

agupubs.onlinelibrary.wiley.co

Replied in thread
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Joseph Simons 🍁 🌱

@electrek "Alberta’s first commercial #hydrogen fuelling station has been shipped back to the United States, its American owner has filed for bankruptcy, and the company’s once convicted former CEO has been pardoned by U.S. President Donald Trump."

#nicola #abpoli

edmonton.taproot.news/news/202

Taproot Edmonton · Hydrogen fuelling station closed less than one year after opening to government fanfareBy Colin Gallant
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Mikko Tuomi

The common mini-Neptunes typically form with a #hydrogen #atmosphere, resulting in conditions where #hydrogen and the #planet’s molten interior interact for millions to billions of years.

But the temperatures and pressures involved are so extreme that laboratory experiments to study them are nearly impossible.

Water and hydrogen would begin to separate deep within the atmosphere leading to rainfall deep inside the planet’s atmosphere as heavier water sinks.

astrobiology.com/2025/03/atmos

Astrobiology · Atmospheres Of New Planets Might Have Unexpected Mixtures Of Hydrogen And Water - AstrobiologyRecent studies show that the most common type of planets in our galaxy typically form with a hydrogen atmosphere
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CLondoner92 (New Account)

A trial of #Wrightbus hydrogen buses for Sizewell C workers has launched in #Suffolk, marking a step towards reducing construction emissions. If successful, Sizewell C could order up to 150 #buses, creating the UK's largest #hydrogen fleet. This initiative supports the region’s hydrogen #economy, creates #UK jobs, and reduces local transport impacts. Ryze Power supplies the green hydrogen, and a mobile refuelling system is also being tested. Sizewell C’s goal is to decarbonise its operations and accelerate the hydrogen transition. Wrightbus’s hydrogen buses, built in Northern #Ireland, contribute to UK manufacturing. The trial aims to encourage further hydrogen adoption across the region. If successful, it could help establish a broader hydrogen #transport network in the East of #England.
wrightbus.com/en-gb/Sizewell-C

The image features a modern double-decker bus with a sleek white exterior design. The front and right side of the bus are visible, showcasing its large windscreen and multiple windows typical of such buses. The top deck has expansive windows, allowing natural light inside. A colourful banner displayed on the side features an image of a sunset over a field. The bus is parked on a paved surface with clear blue skies above, and a few trees are visible in the distant background. The bus is equipped with several distinctive features like twin side mirrors and a black geometric front fascia. Photo by Wrightbus/Ryze Power
Continued thread
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rexi

phys.org/news/2025-03-scientis

Sub-5 nm Ru-based alloys have gained attention as promising electrochemical catalysts for water splitting. However, their synthesis has been constrained by thermodynamic immiscibility, which limits the development of a universally applicable preparation method.

In this study, the research team employed nanosecond laser ultrafast confined alloying (LUCA) to overcome the immiscible-to-miscible transition barrier…

Phys.org · Scientists develop sub-5 nm Ru-based alloy catalysts for efficient water splittingBy Zhang Nannan
#hydrogen#watersplitting
Continued thread
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rexi

phys.org/news/2025-03-core-she

"newly developed #catalyst features a #ruthenium (Ru)-based nanocluster with a core-shell structure. Despite using only a minimal amount of precious metal, it delivers world-class performance and exceptional stability. Moreover, when applied to industrial-scale water electrolysis equipment, it demonstrated remarkable efficiency, highlighting its potential for commercial applications."

Phys.org · Core-shell nanocluster catalyst enables high-efficiency, low-cost and eco-friendly hydrogen productionBy Seoul National University
#hydrogen
Public
Flipboard Science Desk

Coca-Cola is installing what the company claims to be the world’s first hydrogen-powered vending machines at the World Expo 2025, which will open to the public in Osaka, Japan, on April 13th, 2025. Co-developed by Fuji Electric, the machines don’t need access to a power outlet and instead rely on replaceable hydrogen cartridges to fuel a chemical reaction that generates electricity, @theverge reports:
theverge.com/news/633779/coca-

The Verge · Coca-Cola’s new hydrogen-powered vending machine doesn’t need a power outletBy Andrew Liszewski
#CocaCola#Hydrogen#Energy
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Calishat

#solar #energy #hydrogen

'The study unveils a pioneering approach to harnessing sunlight for efficient and stable hydrogen production using cost-effective organic materials, potentially transforming the way we generate and store clean energy. '

qmul.ac.uk/media/news/2025/sci

Queen Mary University of LondonUK-led breakthrough offers path to stable, low-cost solar hydrogen production
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KeithDPatch

1/2 #HydrogenSafety
I hope Supercritical Solutions Ltd #SSL told Shell Ventures #Shell & Toyota Ventures #Toyota that #SSL electrolyzers produce flammable🔥 hydrogen-oxygen gas mixes!

Granted patent GB2605761 has 0 data.

But WIPO pending app ⬇️ WO2024061976A3 by #SSL shows:

- 22% H2 in anode O2 (5.5x above 4% lower flammability limit #LFL)🔥
- 11-12% O2 in cathode H2 (2x below 6% upper flammability limit #UFL)🔥

I need to let UK HSE Solutions know #SSL is totally unsafe!
#hydrogen #H2 #safety

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