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CATL says next-gen sodium-ion battery supports 500 km range, readies for 2026 mass production (carnewschina.com)
submitted 11 months ago by to c/technology@lemmy.world
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cross-posted from: https://lemmy.zip/post/48958993

energy density of 175 Wh/kg

CATL explained that sodium-ion batteries have slightly lower energy density than lithium-ion batteries but provide distinct advantages in low-temperature performance, carbon footprint, and safety.

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[–] 6 points 11 months ago (1 child)

They do the same thing with grid storage batteries and I hate it. "Our battery lasts 20 hours!" Think it was a better unit like watts per 4 hours but media and marketing mess with it.

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  • [–] 5 points 11 months ago (1 child)

    People understand time.

    People have no fucking idea how much their crap uses. So giving the watthour is literally pointless.

    It's a nice statistic to have.

    But for cars, giving a cars range in watthours is like saying the road trip is 8.3 gallons of gas.

    JUST TELL ME HOW LONG IT WILL TAKE TO GET THERE OR HOW FAR IT IS.

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  • [–] 7 points 11 months ago

    I think the issue in this case is that the range of this specific car and battery doesn’t convey the impact of the battery innovation. If they gave an example of the range with that car and battery size using current battery tech to demonstrate the improvement, I think that would be more helpful.

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