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EV battery ejection technology (Read 178 times)
lee
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EV battery ejection technology
Sep 24th, 2025 at 1:54pm
 
"At an event earlier this month, new technology was demonstrated on Chery’s iCar 03 that can see a vehicle’s high-voltage battery ejected 3-6 metres away within a second of thermal runaway being detected.

It’s ejected from the vehicle using a gas generator, much in the same way as an airbag works, with the idea to get the battery away from vehicle occupants before it catches fire.

In the demonstration video, shared across Chinese media including cnBeta, the battery is ejected with a bang into a nearby pit and then quickly shrouded.

However, there are naturally concerns over the high-speed ejection of a battery weighing potentially several hundred kilograms."

https://www.carexpert.com.au/car-news/the-new-unusual-solution-to-ev-fires-high-...

What's not to like? Instead of maybe burning the bloke who bought the EV, just pass it to the bloke walking past. Like pass the parcel in an Irish pub. Roll Eyes

Imagine the explosive force required to eject several hundred kilos of battweries.
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Bobby.
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Re: EV battery ejection technology
Reply #1 - Sep 24th, 2025 at 11:32pm
 

Quote:
It’s possible that, should this technology come to production vehicles,
it’ll be accompanied by cameras and radar to ensure a battery isn’t ejected at speed
into neighbouring pedestrians and vehicles.


It will never pass ADR -

Australian design rules.
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lee
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Re: EV battery ejection technology
Reply #2 - Sep 25th, 2025 at 11:46am
 
That quote is funny. EV fire on a busy highway at 5pm, what are they gunna do? Wink
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Yadda
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Re: EV battery ejection technology
Reply #3 - Sep 25th, 2025 at 12:27pm
 
lee wrote on Sep 24th, 2025 at 1:54pm:

........However, there are naturally concerns
over the high-speed ejection
of a battery weighing potentially
several hundred kilograms."





Really ?

There is some concern over the high-speed ejection of a battery weighing several hundred kilograms ?

What could possibly go wrong ?  hehe



A case of 'the medicine', could be worse than the 'disease' ?

Yikes !

I think someone needs to come up with a 'different' solution to this problem !!



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"....And he said unto him, If they hear not Moses and the prophets, neither will they be persuaded, though one rose from the dead."
Luke 16:31
 
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Bobby.
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Re: EV battery ejection technology
Reply #4 - Sep 26th, 2025 at 8:23am
 
Yes Yadda,
imagine going down a freeway at 100km/hr and the heavy battery is ejected and
hits head on with oncoming vehicles also travelling at 100km/hr.
The closing speed is 200km/hr.

There is no way the Australian design rules would allow that.
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