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Originally Posted by Type XXIII
The only way to tap energy out of water is, and this is for now purely theoretical, if you can split it into hydrogen and oxygene, isolate the heavier isotopes of hydrogen and then start a fusion process. There are working fusion reactors, but it is unlikely that you can fit one on a sub for any time soon. not to mention one that produces enough energy to split the water molecules, isolate the heavier isotopes and still propel the sub.
Ceramic hull sounds interesting though. :hmm:
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You could, through electrolysis, split H2O into hydrogen and oxygen, but you need energy to do that. You could then use the H and O to run a fuel cell. However, you'll never get as much energy out of the fuel cell as was needed to split the H2O in the first place
