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Amprius ships EV battery that reaches 90% charge in 15 minutes (electrek.co)

submitted 2 weeks ago by ArtikBanana@lemmy.dbzer0.com to c/technology@lemmy.world

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Amprius’ new SiMaxx cells hit an impressive 360 Wh/kg in energy density – far beyond the USABC’s target of 275 Wh/kg. What does that mean for EV drivers? Simply put, longer range without a bulkier battery. Plus, these cells have a power density of 1200 W/kg, meaning more efficient energy delivery.

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[–] fubarx@lemmy.ml 8 points 2 weeks ago

1000 charge cycles. If you charge twice a week, that's 500 weeks or a little less than 10 years. There's no mention of degradation over time.

But back-of-the-napkin, it means for this to be cost-effective, they may want to come up with some sort of replaceable or battery swap system. Not sure anyone will want to buy a vehicle that needs a massive battery retrofit every 8-10 years.