It's easy to liquefy, so it has a density advantage over air, and would be bad i... | Hacker News

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		analog31 16 days ago \| parent \| context \| favorite \| on: CO2 batteries that store grid energy take off glob... It's easy to liquefy, so it has a density advantage over air, and would be bad if released but not super bad.

3eb7988a1663 16 days ago [–]

Suffocation seems like the most relevant concern in the event of a catastrophic leak.

1123581321 16 days ago | [–]

It is a necessary risk. Oxygen is dangerous when heat is involved, and its low critical point is harder to work with than co2.

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