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Think I featured this before (Plasma Kinetics) - here's Matt Ferrell's take:
https://www.youtube.com/watch?v=U7CCq4oBgw4
This does seem a genuine energy storage breakthrough. Laser light releases the hydrogen from a solid state.
Could be used for green hydrogen at utility scale, cutting storage costs.
I'm definitely a hydrogen convert!
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Sounds interesting, but seems to be little more than a concept so far. It relies on films carrying nanoscale carbon fibres, which are induced to release hydrogen using light of particular wavelengths. A similar idea is the storage of hydrogen in activated carbon, which is a sort of graphite foam, which can then be released by warming. The storage density is a function of pressure and temperature. The most interesting option would be storage at atmospheric pressure at shallow cryogenic temperatures. Storage density is relatively low, but this method could be cheap.
https://www.sciencedirect.com/science/a … 230600488X
A technologically easier option would be to use the hydrogen to upgrade biomass into storable liquid fuels. That way you don't need to store hydrogen at all, you store the liquid fuel. That will give you a much superior mass energy density. And a relatively small amount of hydrogen will give you a lot more fuel energy, because you are using the hydrogen to crack large bio-molecules like cellulose, into shorter molecules, many of which are liquids. Similar methods are used to crack long-chain alkane molecules in oil refineries. So bio-cracking means extending an already developed technology. Just a few things to think about.
Last edited by Calliban (2021-11-12 17:24:59)
"Plan and prepare for every possibility, and you will never act. It is nobler to have courage as we stumble into half the things we fear than to analyse every possible obstacle and begin nothing. Great things are achieved by embracing great dangers."
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