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From: piglet <erichpwagner@hotmail.com>
Newsgroups: sci.electronics.design
Subject: Re: lithium explosion
Date: Sun, 14 Apr 2024 20:38:45 -0000 (UTC)
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John Larkin <jjSNIPlarkin@highNONOlandtechnology.com> wrote:
> On Sun, 14 Apr 2024 10:10:31 -0700, KevinJ93 <kevin_es@whitedigs.com>
> wrote:
> 
>> On 4/13/24 9:35 AM, John Larkin wrote:
>>> On Sat, 13 Apr 2024 16:14:07 +0100, liz@poppyrecords.invalid.invalid
>> ....
>>> 
>>> And a defect sensor would have to constantly snoop every cell of a
>>> pack. A typical Tesla might have 7000 cells.
>>> 
>> 
>> Tesla (and every other EV manufacturer) does monitor the voltage of 
>> every individual cell and every cell has its own fusible link in case it 
>> becomes shorted.
>> 
>> kw
> 
> Tesla uses many small cell in parallel, numbers like 74. I wonder how
> they could monitor the voltage of each cell.
> 
> I assume "becomes shorted" means that the battery terminals are
> shorted somehow. The bigger hazard is that a cell will short
> internally, and all its paralleled friends will then dump thousands of
> amps into it.
> 

Not if there was a fuse in series with each cell 

-- 
piglet