Kyoto, Japan (SPX) Dec 17, 2021 - Nanodiamonds may be tiny, but they can help with one of the biggest problems facing humanity today: Climate change. Hydrogen, a clean-burning fuel, leaves nothing but water when consumed. Many count
www.oilgasdaily.com
Hydrogen is
absolutely useless as a fuel. You're better off using LNG fuel cells if you want to use them.
Is it? It may depend upon how you use it. The real advantage of hydrogen is that it's easily acquirable and very plentiful. From what I understand at the moment is the method of converting it to electricity can be somewhat cumbersome and the supply infrastructure is non existent in many countries. However the in-vehicle technology will improve as will the infrastructure. It just takes time. Of course the ultimate power pack is the fusion reactor and once the science and engineering is sorted with that, there will be a complete revolution in human energy applications. There's still some significant problems to solve.
It's absolutely horrid because it is stupid-hard to contain. If you mess up
one tinny bit of the liquefication process, the entire batch is turned to its gaseous state with all the fun that it entails. Also, you have to utilize specialized pipes to move hydrogen, as it also makes metals brittle (and not because liquid hydrogen is stupid-cold). It is also impossible to store for extended periods, partially because it makes its own escape routes. Then there is the
required volume. 1 ton of liquid hydrogen is roughly 14 cubic meters (to the point that the tabletop RPG
Traveller uses it as a
base measurement for the various ships), and if you're looking to have anything resembling protection (even if it's just micrometeor and radiation protection), this makes it impossible.
If you're using it as a propellant, then prepare to have the most horrid power-to-weight ratio even with NTRs or even
hypothetical fusion rockets. The moment you have anything more than a scaffold, your fuel tanks, and your engines, the acceleration profile
tanks to such levels that it's basically the equivalent of
farting. That's why in the hyper-realistic space combat game
Children of a Dead Earth, anything that has any amount of armor or weaponry uses either methane or decane propellant using high-end NTRs.
When you actually look at it all, you're better off using something like LNG than hydrogen.