How Cheap Hydrogen Could Become the Next Clean Fuel
2,397,175
Published 2022-07-21
#science #powermoves #bloombergquicktake
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All Comments (21)
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This has been a steady drumbeat from business types for 20 plus years...reminds me of their dedication to diesel-hybrid cars. Speaking as a mechanical engineer, they have no idea.
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The lack of hydrogen fueling infrastructure is an issue that may be difficult to overcome without a lot of time but other hydrogen based technologies are available for use in other fields. This video showcased hydrogen based metal processing, if more hydrogen based machining processes like that could be implemented it could help to massively reduce our carbon emissions. Especially considering how many greenhouse emissions many industrial manufacturing processes create.
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The key is electricity cost. If it cannot be reduced to below US 20 cents per kWh, price of green hydrogen cannot be sold at US1 per Kg, thus cannot be used economically to replace NG as 1 Mmbtu = 8Kg of hydrogen, so for US1 per kg will cost US8 per mmbtu, comparable to NG.
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5$ per kilogram. Dude, you did it pretty well ! 1 KG of hydrogen can power a car for 100 Km. Usually a car consumes 8 liters of gasoline on highway for 100 Kms. But the gas for 100 km will cost 16-17$ ! Not 5$. You are already a winner.
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For steelmaking, it would be much more efficient and more cost effective to use renewable electricity directly, instead of having the efficiency loss of making hydrogen first. Electric arc furnaces have long been used to make specialty steels, and with a direct electrolytic process it should be possible to convert iron oxide ores into pure iron for steelmaking.
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Its also Interesting to mention additional elements that hydrogen can be converted to for transportation and usage (shipping fuels, fertiliser etc) such as green ammonia which Norwegian fertiliser company Yara is developing. On paper it Provides an interesting answer to some of the issues of transportation such as the low temperature required for storage and the specialised steels needed for equipment.
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Interesting overview! For transportation of H2, liquid organic hydrogen carriers (LOHC) are very promising, since they are much easier to handle than liquid or gaseous hydrogen or ammonia.
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The first 5 seconds of this video gave me goosebumps! The content is definitely well covered, but props to the video making and the editing team.
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the steel factory could easily use the turquoise hydrogen method and use the captured carbon for their steel production, reducing even more the emissions, as steel usually needs carbon for it's production as a reinforcement for the alloy, so it would be a win win
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Unbound hydrogen is very problematic simply because is has propensity to leak from what ever is used to contain it. This makes bound hydrogen the ideal form, methane is a common bound form of hydrogen. We already do much with methane and even then methane leak problems are found often enough; our handling unbound hydrogen is certain to be handled in a very leaky fashion. Propane is a very big bound hydrogen molecule. Our handling propane is maybe done with the fewest leaks.
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My dad works as an engineer at [unnamed steel company] and I can confirm plans for using hydrogen are already in full swing
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3:08 i like how they say that they are developing new technology when its just elektrolisis.
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First I've heard of turquoise hydrogen. Surly a better use of the waste carbon will be found. If graphene could be produced, that would be something.
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I worked on a program to develope a hydrogen boiler . Because of electricity cost we were 5 times the cost of oil.That was before the runaway power cost.
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The trick here is that most renewable energy systems like solar and wind only provide sporadic energy, and for reasons that are complicated, electrolysis needs a steady stream of DC current to work. So you need an extra step to make it work - like a wind turbine charging a battery powering electrolysis, or something along those lines.
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Wow, the Segway Portable PowerStation Cube Series sounds like an incredible product! It's perfect for outdoor enthusiasts like us who value reliable power on our camping trips. The massive capacity, fast recharging, and waterproof design make it a must-have for any adventurer. Thanks for sharing this recommendation!
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The production of hydrogen is relatively not the main issue when comparing to the cost of building up infrastructure for transportation and storing as these physical properties are dramatically different from these two types of fuels
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I was wondering if they were going to mention the difference in energy density, the balance between energy input versus energy output, and the massive problems of storing and distributing hydrogen. Those problems were pretty much glossed over here.
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4:55 he said they raise the temperature to release oxygen, and then goes on to say no power is applied. I wonder how they increase the heat
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I think one major issue is that any imperfection in the vessel youre carrying it in is going to leak an insane amount due to atomic size and base form being gas.
