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by splittingTimes 1269 days ago
I just wanted to add other storage challenges to your list, but upon googling for it, I had to learn that something called liquid organic hydrogen carrier exists:

"Hydrogen oil – LOHC – has two great advantages compared to compressed and liquid hydrogen:

The hydrogen is stored in oil, LOHC, and there is substantially less free hydrogen on board the ship, which reduces the risk. The hydrogen oil can be transported in conventional tanks, about the same way as for diesel today, and therefore has substantially lower transport costs than compressed and liquid hydrogen."

https://greenshippingprogramme.com/pilot/infrastructure-for-...

1 comments

> hydrogen is stored in oil, LOHC

This sounds like a parody of hydrocarbons.

I too am missing the punchline. Sounds like synthesizing hydrocarbons directly would probably be simpler and would not require changing any existing infrastructure.
The idea seems to be to not burn the 'oil', instead to just use it as a 'carrier' for the hydrogen, which then is released from the oil when needed.

While the 'used' oil is being stored, to be 'reloaded' with hydrogen by whichever means.

So the 'carrier-oil-component' is the reusable thing here.

All while being able to be handled, stored, transported similar to diesel.

Supposedly.

shrug

I don't know what this LOHC stuff really is, but it's easy to imagine that dissolving H2 in in an existing liquid would be much less of an undertaking than inducing it to become C8H18 or whatever.