What is the efficiency of the hydrogen, air capture, methane, burn cycle? | Hacker News

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		lrem on Dec 15, 2021 \| parent \| context \| favorite \| on: Why battery costs have plunged since 2010 What is the efficiency of the hydrogen, air capture, methane, burn cycle?

mrep on Dec 15, 2021 [–]

34-44% for hydrogen and 30-38% for methane [0].

[0]: https://en.wikipedia.org/wiki/Power-to-gas#Efficiency

lrem on Dec 16, 2021 | [–]

Ah, great. So the incremental loss of going from crazy-talk to actually-reusable-infrastructure is not groundbreaking.

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