EV Batteries | How Long They Last, How Safe They Are, And Whether Solid State Is The Future
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- Опубликовано: 29 июн 2024
- They're too big. They're too heavy. They catch on fire. They don't last long. But solid state batteries will magically solve all the issues. There are so many opinions out there about EV batteries, so in this video we break down myth from reality. So stick around as Dave Takes It On.
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About The Channel:
Dave Takes It On was founded in 2023 and focuses primarily on content about electric vehicles and issues that impact drivers. Dave is based in the North West of the UK and owns a Tesla Model S. He regularly travels around the country, so if you see him feel free to say hello. The channel is supported by his son Jonas, who helps with thumbnails, titles, and technical aspects of the channel.
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Disclaimer:
This video may feature materials protected by the Fair Use guidelines of Section 107 of the Copyright Act. All rights reserved to the copyright owners.
Chapters:
00:00 - Start
00:47 - Do NMC EV batteries catch fire?
02:23 - How flammable are all cars?
03:15 - EV fire statistics
05:52 - LFP vs NMC battery life expectency
07:36 - More people by used than new cars
08:04 - Are Sodium Ion batteries the answer?
09:50 - Solid State batteries the future
12:37 - Solid State batteries are not the magical answer.
14:50 - Fastest charging EVs for sale 
Авто/Мото
Well done for doing this Dave. We really need more people to highlight the great benefits EV’s offer. Great video.
one of your best videos in a while... very well put, and I learnt quite a bit.
Thanks, nice to be appreciated
Thanks - great overall view
Many thanks for your informative video. What has been overlooked is that although there are less electric car fires, the ones that do catch fire cause a great deal of chemical smoke which in fact isn’t smoke they are chemicals and there is massive amounts of it developed. The Fire Brigade have no answer as to how they can put out an electric car fire its just left to burn out itself.
Even after the initial fire in the electric car the batteries can reignite again days or weeks after.
With petrol or diesel cars the fire can be put out successfully by the fire brigade with no risk of secondary re ignition.
So despite the much lower fire risk of electric cars, the batteries pose a far greater risk of uncontrollable initial fire and also strong secondary re ignition days or weeks after the initial fire.
The other problem with the electric car battery pack is that due to the size of the battery pack it spans the whole floor of the electric car and forms part of the chassis rigidity. If the electric car is in a road traffic accident and the battery pack has been put under stress there is a strong possibility that the battery pack has been compromised and the insurance companies will write the electric cars off. This will not happen if a petrol or diesel car is involved in a road traffic accident. If the petrol or diesel tank is damaged then it can be replaced for a few hundred pounds or less. So it comes down to the fact that the battery pack in an electric car is far more venerable to road traffic accident damage and if the battery pack catches fire due to thermal runaway the fire brigade has no effective answer to putting out an electric car battery pack fire. For me these two points are enough for me to not purchase an electric car but I do thank you for all your information contained in this video. Sorry the comments are long but I feel this needs further research into totally safe battery technology.
Yes Alan always a trade off. Which is better, fewer fires but more them ical pollution or more fires and more CO2? I suspect the answer is try to stop fires altogether, but F1 tried that and they still have them. Yes, after fire is a different matter and the Fire brigades are learning all the time. It seems that waste disposal sites are suffering from fires weeks after some people dump rechargeable batteries in their bins. And really scary are those button batteries, which if swallowed by a kid can burn holes in their stomachs. Maybe we need Captain Kirk and Di-Lithium crystals
@@davetakesiton HI Dave many thanks for your comments. Yes I do agree with you all types of batteries in general are a problem in the World.
Problem is with Electric Car traction batteries they need a great deal of current to charge and release a great deal of current to propel the car. High current means high temperatures. Electric car manufacturers are trying to combat the high temperatures using liquid cooling technology but sometimes this isn’t enough especially if the cooling liquid is not topped up. You are making great videos Dave, keep on doing what you’re doing.
Great video
Another good video. I am lucky enough to have a Model 3 with an NMC battery and a Model Y with the LFP. Both cars give similar long-term consumption values. Either car performs almost identically on my long journeys back to the UK or down to the south of France; I stop at the same points. The difference is that I arrive at the charger with a lower % remaining with the Y. My personal experience is less degradation with the Y. Keep up the good work.
Best explanation i have seen ever. Thanks.
I had the same numbers, but couldn't bring it to a large group of people. To be correct, The modern LFP batteries have around 10% less energy per kg than the NMC battery.
The LFMP are even better.
Thanks, yes different makes, CATL, BYD Panasonic use slightly different chemistries, so difficult to keep up. Thanks for your support
Car fires are so common in accidents in Brazil they refer to victims as “carbonizados” carbonised, charred remains 😢
Great information, but from information at the Everything Electric North show, it was implied that sodium batteries are much better for storage purposes as they cannot give an EV the full power they need. LFP is a great mix and still gives over 250 miles easily, without the very slim chance of having an uncontrollable fire.
Yes totally true but if they are 30% cheaper there will be some who will be very tempted to stick them in a budget EV
Hang on if I have 100kWh lithium ion and 100kWh lfp and I charge the lithium ion to 80% and the lfp to 100% then one has 80kWh and the other 100kWh or have I misunderstood what you meant?
So you believe that they install a cheaper battery and make it bigger than needed to match the capacity? I don’t, I believe you get a smaller battery that is much cheaper. Check the size of the batteries in the budget model vs the standard and LR models.
@@davetakesiton no my point was that your statement seemed to indicate two batteries of the same capacity. Then one with 80% charge has more capacity than the one with 100% charge. You state “80% on an nmc can equate to more stored capacity than an 100% on an lfp” about 6:41 in the video that just cannot be true for batteries of the same capacity surely?
LFP have at least x2 more charging cycles and are safer with regard to thermo runaway
Most, if not all ev fires are cheap ev scooters and cheap ev bikes. A hole family was killed when a ev scooter caught fire early this year. A lot of people think car battery’s are the same.
Im a bit concerned about escaping an EV fire with the trend being push button doors for opening/closing. If the battery is cooked that door isn't opening. I sure hope they have a manual door lever as backup.
It’s the 12V battery that operates the doors etc. and there’s always a manual release.
Probably better odds than a huge fireball. and yes there's manual release
That's good to know. I've been watching reviews on some EVs, and that's was a bit worrying. They probably should point out the manual release in the reviews.
@@OTPulse Do you have any concerns about driving an ICE car? After all, around 300 of those catch fire each *day* in Britain. As Dave pointed out in this video, Tesla now have around 6 million cars on the road Worldwide, with a reported 198 fires recorded over the last 11 years.....
@Brian-om2hh I'm not referring to Tesla's, but do they have push button open doors instead of manual lever door latches that don't need a functional battery?
I would have the same concerns if this feature was becoming common in any type of vehicle, but it's a common trend in many Chinese EVs, being electronic doors. Being trapped in a furnace because the power source to open the doors is on fire isn't an attractive situation to be in, no matter how uncommon.
20 to 30 min charger is just the right time for a comfort break. Keep the range down & you get the added bonus, that drivers get a break & thus are less tired, which should mean less accidents due to tiredness. Something that no one seems to tout as a positive reason for EV's.
Yes, John I generally find I toodle about a bit slower than normal as the driving is so much quieter and smoother. More relaxed breaks too, not so much dashing. Maybe we all need to slow down a bit
The only EV that addresses many of the shortcomings of EVs is an Aptera. Hopefully they will start coming online next year.
Doesn't have the seven seats mine does!
@@davetakesiton But it's efficiency runs rings around yours (est. 10KWH/mile nearly 3x a Tesla).
Tesla yet again proving that they are behind the curve. They are moving into Lithium as the market moves towards sodium. Sure, Lithium is better than their original technology, much safer and consumers want the safer technology, which explains why Tesla also buys the safest technology from BYD.
Na doesn’t have the charge density of Li and is unlikely to be used for long range EVs (at least for quite some time).
Tesla have been using Lithium since they started, all EVs use lithium
Tesla behind the curve? They might be getting caught but surely they are the pacesetters. BYD 😊closing the gap but not sure how that can be classed behind the curve. I don’t have one and don’t want one (Tesla) but recognise their impact on EVs.
@@adrianwood2566 BYD built their Lithium processing plants years ago and are already supplying Tesla with their batteries. Tesla starting theirs now, is hardly pacesetting! BYD is now operating newly operating plants in Brazil and Chile. I'm guessing that Tesla are doing this for storage batteries, rather than cars. Musk seems bored with the car side of the business. Look at the Cyber Truck fiasco! Late / delayed / disappointing refreshes of current models and still no budget models for the masses. He is apparently concentrating on the Robo Taxi market.
Teslas car designs are hardly ahead of the curve, while other companies are pushing the envelope with radical shapes and styling, teslas still look like a Toyota corolla from a distance.
@@adrianwood2566 No denying their impact, but also no denying their lack of follow up models.