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Replies to post #50921 on Tesla Inc (TSLA)
Thermal runaway has been successfully triggered for different battery types, such as 3.1 Ah 18650 cylindrical cells, 39 Ah pouch and 94 Ah hard casing prismatic cells.
Why Tesla Chose the 18650 Battery Over the 4680 In the Model S Plaid
30 seconds later I start smelling a toxic electric smell. Was warmish in Chicago so I had sunroof open. Couldn’t tell whether it was me or I was downwind of something or some other car, but yet smell was definitely there. 30 seconds after that I received the following alert at bottom of cluster, “Car may not restart; contact service”. . . Uh oh.
Kept driving, and 30 seconds more, about quarter mile to my destination I had what can only be referred to as an “Apollo 13” moment. Everything started beeping, alerts in rapid succession started filling my infotainment screen. Maggie started shutting all systems down 1 at a time but 100 alerts popped up in seconds. It was intense and chaotic. As I pulled into destination, I lost power steering, the accelerator stopped responding and I luckily coasted into the parking lot and rolled to a stop. I intentionally parked away from everyone because I thought I might be calling the fire department.
When lithium-ion batteries begin to fail, the chemical process produces electrolyte vapour from battery cells. This off-gas is produced soon after cell damage occurs and several minutes before thermal runaway starts.
Lithium-ion battery failure eventually produces detectable smoke, too, but only after thermal runaway has already begun. Detecting smoke alone results in a response that is too late. Instead, by detecting the presence of off-gases, affected batteries can be shut down in time to prevent thermal runaway
07/21/21 11:39 AM
A Tesla Model Y owner in Los Angeles was washing her car yesterday when she suddenly started smelling smoke. Moments later smoke was billowing from the front of the car, leading to the vehicle becoming a complete loss
GEOMAGNETIC UNREST EXPECTED: Minor geomagnetic unrest is expected on March 18th when a co-rotating interaction region (CIR) disturbs Earth's magnetic field. CIRs are transition zones between fast- and slow-moving solar wind streams. Plasma piles up in these regions, creating shock-like density gradients that often do a good job sparking auroras.
Nearly 100 tons of lithium batteries were involved in the large industrial fire in Morris Tuesday that led to emergency evacuations and a large-scale response as authorities warned of “highly poisonous” and “very deadly” fumes.
SUDBURY (CBS) – A Tesla crashed into an orthodontist’s office in Sudbury Thursday morning, but no one was seriously hurt.
The car slammed into Sudbury Orthodontics on Concord Road just after 9 a.m. and went deep inside the building.
A CRACK IN EARTH'S MAGNETIC FIELD: During the early hours of July 22nd (0330 - 1000 UT) a crack opened in Earth's magnetic field: data. Solar wind poured in, fueling a period of geomagnetic unrest (Kp=4). So far no reports of auroras have been received, probably due to the glare of northern summer sunlight. Quiet conditions have since resumed.
I would think that if the problem was related to the fire, Tesla would have to do more than put a delivery hold on new deliveries, but also inform current owners.
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