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Coming Up on Jan 14 (Patreon)

Published:
2023-01-12 11:47:58
Imported:
2023-03

Content

Combine hydrogen with oxygen, add a little spark, and you get energy, plus water. It sounds like a great replacement for fossil fuels, but – as so often – it isn’t that simple. In this week’s video we talk about whether green hydrogen is really green, hydrogen embrittlement, and the impending iridium shortage.


Comments

Anonymous

Really looking forward to hearing about this from you!

Anonymous

I remember watching & reading about hydrogen-producing vehicles in previous decades, they seemed so promising. 😕

Anonymous
>>99459620

Should it ever happen, it seems like it would be a car fire of epic proportions. I assume the energy needed to create pure hydrogen is more than the energy needed to mine coal, otherwise we would want to create hydrogen-electric plants and require all cars (except my 65 mustang) be electric .

Anonymous
>>99459620

I'm with you, Colleen, now I feel duped by the toy model cars that use a solar cell to drive the electrolysis to make the hydrogen and oxygen gas that then recombine to power the car. David nailed the cost problem as well, not only the cost to make the hydrogen, but especially the iridium Sabine mentions above that is used in the power cell. Unless we capture ourselves an iridium-rich asteroid, hydrogen cars might be DOA. I just saw some numbers that Toyota loses $100,000 on each Mirai they sell. Onto the safety, I used to think that the manufacturers had already solved the supply and onboard-the-car safety issues, but now I agree with David's apprehension. It looks like there have been incidents/explosions at a hydrogen plant in California and a refueling station in Norway. Whew, this is all currently a big mess.