This is pretty cool as a test bed of what's possible for oceanic transport… solar + wind + hydrogen fuel cell to power a boat.https://jalopnik.com/hydrogen-is-a-bad-car-fuel-but-its-the-perfect-boat-fu-1841435502 …
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Replying to @leehower
I was curious about a solar powered container ship, so I did some math. Biggest ship: 62m x 400m = 15K 400W panels = 6MW They use bunker fuel, ~114K L per day, or 4.7K L/h A diesel generator can generate 1MW at 250 L/h, so this volume is 19MW 3X off
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It's a boat, you don't need energy density. Hydrogen is a good enough fuel for trans-continental air transport, actually, just there are a lot of handling challenges and practical concerns. Another neat one is NH3 -- ammonia. Cleaner, in some respects... not, in a leak.
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For a hydrogen ship, would you use fuel cells + electric drive, or an internal combustion engine driving the propellor shaft?
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I have a proposal in to ARPA-E to do a really high efficiency, high power density fuel -> energy converter that’s simple and cheap, maybe 10x power density of fuel cells and 10x lifetime, lower cost. I’d just use that. I’ll dm you the concept paper
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