DIY

3692 readers

23 users here now

Share your self-made stuff and half-baked projects here.

Also check out !diy@beehaw.org

There is also a related XMPP chat.

founded 3 years ago

MODERATORS

poVoq@slrpnk.net

Li-Ion fire safety, inert atmosphere (discuss.tchncs.de)

submitted 1 month ago* (last edited 1 month ago) by Rolive@discuss.tchncs.de to c/diy@slrpnk.net

3 comments fedilink hide all child comments

This is an idea that entered my mind. As far as I understood lithium ion batteries still need oxygen from the air to burn.

They don't provide their own oxidizer IIRC but they do reignite when left to dry because they rapidly build up heat again. Please correct me if I'm wrong.

Edit: I was wrong: https://www.sciencedirect.com/science/article/pii/S2352152X24008739

The cathode breaks down into oxygen among other things.

Would it make sense to have a lithium ion battery inside an airtight enclosure and fill it up with nitrogen? This way the only source of oxygen is from the decomposing cathode but that should react away quickly. The fire will be much less intense than in regular air. Assuming the enclosure holds.

Is this a silly idea? Is it even worth doing?

you are viewing a single comment's thread
view the rest of the comments

[–] robolemmy@lemmy.dbzer0.com 15 points 1 month ago

“As lithium-ion battery fires create their own oxygen during thermal runaway, they are very difficult for fire and rescue services to deal with. Lithium-ion battery fire control is normally only achieved by using copious amounts of water to cool battery cells.”

Source: Fire Protection Association