Suffocation seems like the most relevant concern in the event of a catastrophic ... | Hacker News

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		3eb7988a1663 69 days ago \| parent \| context \| favorite \| on: CO2 batteries that store grid energy take off glob... Suffocation seems like the most relevant concern in the event of a catastrophic leak.

1123581321 69 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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