[lottamus]

I’m not sure how effective using copper will be at scale, though I know you can use h2o and co2 to produce ch4 (methane) through a process called a Sabatier Reaction which involves the presence of a catalyst like nickel and high temperature. I’m guessing it would be a similar process here, except with copper?

Additionally, I recently discovered a company Valar Atomics who are working on small scale nuclear reactors to produce methane from h2o and co2 using this method.

- Valar Atomics announcement https://x.com/isaiah_p_taylor/status/1720418162985054350?s=4...

[catlikesshrimp]

Sabatier uses hydrogen. As an intermediate, it might be less efficient (and dangerous?) H2O -> H2 + O2| H2 + CO2 -> CH4 +O2

The idea is not new, but it is not bad https://en.m.wikipedia.org/wiki/Power-to-gas