News for hackers. Stuff that matters.

A comment on CO2 Batteries That Store Grid Energy Take Off Globally. Parent comment

Re:CO2 Batteries That Store Grid Energy Take Off Globally by chickenbig on Monday December 22, 2025 @07:21AM (#46353595)
> Because any pressurized gas energy storage is either including some advanced heat storage or is just venting the heat created during compression

    a thermal-energy-storage system cools the CO2 to an ambient temperature
https://energydome.com/co2-battery/ diagram has water as the heat storage. Tanks of water get efficient at energy storage due to square-cube scaling.
[ Parent | on HN ]

There are no comments on this comment yet.