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Health and Safety - Battery Banks - Lithium et al

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AVGresponding:
From what I understand EV battery fires are more to do with thermal runaway than electrical isolation issues. Tesla have started using LiFePO cells to try and mitigate against this, I believe?

As for the solar PV parts, I'd try talking to your local branch of electrical trade suppliers. If they're any good, they'll find what you need. My involvement with high current DC stuff is decades out of date, and my solar PV experience is limited to smaller installs and also years out of date, so I don't know the current (sorry) state of the market.

Ice-Tea:

--- Quote from: AVGresponding on November 13, 2023, 07:06:28 pm ---From what I understand EV battery fires are more to do with thermal runaway than electrical isolation issues. Tesla have started using LiFePO cells to try and mitigate against this, I believe?
--- End quote ---

Think it has more to do with cost and availability.

robint:
WOW I get the impression that my banging on about Lithium battery safety has produced a big yawn here - yeah whatever :-//

Ive just seen an astonishing vid

made from a conference of Fire safety professionals and presented by a a leading expert Professor of 20 + years studying the risks of Lithium battery cells to the public.  I though I was being super careful and have realised I need to go one level further and move all such cells out of my house to an outdoor open space as the consequences of getting it wrong are disastrous and battery fires cant be extinguished. I will not be meddling with LiBs indoors anymore - strictly outdoors testing.  If one cell goes goes critical it can burn your house down.

Watch this video and make up you own minds - I feel totally chastened and humbled by my own lack of appreciation of what can happen

The closing words from the Prof were " Spread the word and educate people".  This is a world wide problem. The London Fire Brigade reported an average 2 fires per week caused by Lithium batteries (similar for New York)

Jeroen3:
Also the misinformation is big, people think using water on li-ion battery fires will make the fire worse....

The risks are growing. There are many companies selling home batteries today. People also DIY-ing them. Using even scrap EV units.
Lots of them advertise the unit placed near the fusebox, in the attic next to the pv inverter, or even in a cupboard indoors.
Complete disregard for safety because they're done by enthausistic "innovators". And many youtube electrician influencers happily follow this trend without any second thoughts.

There still needs to be much legislation and standards drawn up for safety of these things in residentials and small business.
You should not put any big battery within or attached to the livable area of a home. Put it outdoors, or in your concrete shed meters away from your home.
Recently a dutch government body published some guidelines PGS-37 with things you should take into consideration when developing storage systems for companies. It's a start!

Any english stuff available yet?

watchmaker:
The sentiment of unwillingness to restrict human beings from doing something dangerous ignores a basic issue.  Everyone else has to pay to clean up the mess.  This includes the first responders whose lives and health are put at risk, and the taxpayers who have to pay.

Human self determination is a complicated thing.  It is like in the USA, people would cross Lake Erie on foot knowing that if they got into trouble they would get a free ride on a USCG helicopter.  At least that changed.  New Hampshire is finally charging people for back country rescues that were entirely avoidable.

I am all for freedom to do what we want with our own bodies.  But, I am totally against helmet free motorcycle use when I have to pay for housing the resulting vegetable.

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