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Old 25th June 2022, 21:48   #31
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Default Re: Nexon EV catches fire in Mumbai; Tata Motors releases official statement

With more and more EVs on the roads, fire departments need to adapt to this new reality too. Conventional fire fighting techniques won’t be adequate anymore.

Luckily, EVs catching fire are very rare

https://www.cnbc.com/2022/01/29/elec...heres-why.html

Quote:
However, when fires do occur, electric vehicles with lithium ion batteries burn hotter, faster and require far more water to reach final extinguishment, Sutcliffe says. And the batteries can re-ignite hours or even days after the fire is initially controlled, leaving salvage yards, repair shops and others at risk.
The Dutch fire brigades have been using a dunk tank. When there is a danger of re-igniting, the car is put in the dunk tank for several days. They have arrangements with special salvage team who provide the dunk tank and monitor the car whilst in there.



We also see concerns from apartment owners and parking garages alike. Having an EV going up in fire in a garage is going to be a very different challenge from a conventional petrol/diesel fire underground.

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Old 25th June 2022, 23:35   #32
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Default Re: Nexon EV catches fire in Mumbai; Tata Motors releases official statement

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Originally Posted by Keneida View Post
I travel by this road daily, I would say that the Fire dept did a good job of containing the fire, The road has a black patch where the rear of the car would have been. Now DRDO has stepped in for a federal investigation. https://www.msn.com/en-in/money/tops...a67c8b3842646f
Firstly I would like to thank Team-bhp for approving my membership. So glad to be a part of this community. This is my first post.

Yeah you're right. I received a video from my friend who was in West at that time (I was on my way back home after some work in BKC). He saw the vehicle after it was extinguished completely. Attaching some snapshots from the video.

Also I really do hope that this is just an isolated incident. With two-wheeler EVs catching fire even my cousin who was planning to buy a EV scooter has now been planning to buy a TVS Jupiter
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Old 26th June 2022, 14:49   #33
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Default Re: Nexon EV catches fire in Mumbai; Tata Motors releases official statement

My EV Max which was planned for registration on Monday (27.06.22) has been delayed till God knows when, because the dealer in my City has received orders from the parent company to not register any more EV cars till further orders, after the fire incident.
Anybody else facing a similar situation ?
Also any information from experts here as to why they have stopped registration and when they would restart or whether there is going to be any recall would be welcome.
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Old 26th June 2022, 19:37   #34
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Default Re: Nexon EV catches fire in Mumbai; Tata Motors releases official statement

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Originally Posted by spkrnh View Post
Anybody else facing a similar situation ?
Also any information from experts here as to why they have stopped registration and when they would restart or whether there is going to be any recall would be welcome.
I was supposed to take delivery on Sunday 26/6/22 from Madurai.
Friday evening got a call from my SA that they’ve put all deliveries on hold.
My EV max completed RTO registration and accessory installation and is still waiting in the yard.
Manager called me and said they might get some information tomorrow 27/6/22
Frustrating indeed.

Last edited by Gannu_1 : 26th June 2022 at 19:41. Reason: Fixing broken quoted post.
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Old 26th June 2022, 22:19   #35
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Default Re: Nexon EV catches fire in Mumbai; Tata Motors releases official statement

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Originally Posted by varkey View Post
As per an image floating around in social media, I checked the registration info in Vahan, its a brand new vehicle registered towards end of April 2022.
Does anyone know if this is EV or EV Max ?
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Old 26th June 2022, 22:25   #36
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Default Re: Nexon EV catches fire in Mumbai; Tata Motors releases official statement

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Originally Posted by prasanna_indaje View Post
Does anyone know if this is EV or EV Max ?
Considering it was registered end of April and Max wasn't launched until May 11, 2022 or so, it would be the original Nexon EV ie 1.0.
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Old 27th June 2022, 10:13   #37
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Default Re: Nexon EV catches fire in Mumbai; Tata Motors releases official statement

Came across this article.

Quote:
In China, 640 EVs caught fire in the first quarter of 2022, up 32 percent, that means that there are seven EVs catching fire per day.
Quote:
Although electric vehicles (EV) are heralded as the future of mobility, however, it seems that EV manufacturers has yet to get a handle on the issue of battery catching fire. It is barely summer in China, the biggest EV market in the world, and yet there are already plenty of reports of EVs catching fire.

Out of 86 reported fire accidents, Chinese brand BYD has the most reported fires. But it is hardly surprising as BYD is the largest EV manufacturer in China.

According to the data released by the fire and rescue department, there are four main types of fire accidents; catching fire while charging, catching fire while driving, catching fire while parked, or catching fire after a collision.

Out of 86 reported incidents only 7 incidents were due to unknown causes while 31 occurred while the car was parked, 22 occurred during charging, 20 occurred when the car was still on the move, and six occurred after a collision.

A further report by the Beijing Institute of Technology also revealed that 38.5 percent of the incidents occurred while in a static state and 27.5 percent of incidents occurred while the EV was charging.

About 66 percent of fire incidents happen in hot months while 34 percent occurred during cold months. Fire occurrences during the winter months is largely due to charging.

Low temperature DC fast charging can cause the battery to catch fire if the electronic control systems failed to preheat the battery. Another cause is lithium carbonate precipitation and the formation of lithium dendrites in ternary lithium batteries and lithium iron phosphate batteries.

As for catching fire after a collision, the China Passenger Car Association explains that the cells in the battery pack might get punctured in a collision causing other components to short circuit.

This will in turn will raise the internal temperature of the batteries causing the pack to overheat and catch fire.

Regardless, the increasing number of EV fires can also be looked at from a positive point of view. The increase in EV fires is proportionate to the increase in EV ownership in China.

In February 2022, EV sales data shows that BYD sold close to 89,000 EVs, that is a year-on-year increase of 749.04 percent. Note that the data only shows for one brand, if you were to take into account other EV brands in China, the number of EVs sold will be in the 200,000s.
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