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Simple EV cars
(lemmy.cafe)
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this post was submitted on 23 Apr 2024
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[Dormant] Electric Vehicles
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My family uses to have a leaf. Battery degradation was considered normal wear and tear, and the thing only had a reliable range of like 50 miles by the time they got rid of it.
1st gen leaf? If so, it only had like 85 mile range new, so that degradation isn't the worst. It has air cooled batteries too, so it's known to have probably the fastest degradation in the US market
I don't remember which generation. The range when new was supposed to be over 100 miles though. My dad figured out fast that 100 miles was very optimistic if you had the AC or the heater on.
Then like I said, it decayed rapidly and the last year they had it, he barely made it to work, left it on a charger all day, and barely made it back.
Yeah, the leaf is notorious for not having proper battery thermal management, meaning it overheats when charging, which results in aggressive degradation. The small battery also means that you put many more full discharge-recharged cycles on the battery, which again accelerates degradation.
I bought an Hyundai Ioniq 5, with a 77.4 KWh battery, which is supposed to go 488 km (or 303 miles) of course it doesn't quite in real life, but it seems to handle about 422 km on a full charge. That battery pack has a liquid coolant loop, and the car actively heats and cools the the battery pack to keep it's temperature in the sweetspot, both when charging and driving. Additionally the car comes with a 8 year warranty on the battery pack, so if it loses more than 30% capacity, it will be a warranty replacement.
That being said, some of the people who bought a 2022 Ioniq 5 has tested their batteries now after 2 years of use, and even people who have almost exclusively fast charged the car are seeing less than 3% degradation over the 2 years of ownership.
Many other EVs come with 10 year warranties on the battery packs.
Tesla (which also have thermal management) has also publicised statistics that say that their vehicles have on average 12% degradation after driving 200.000 miles.