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CATL unveils powerful 500-mile EV batteries for heavy trucks with 15-year life
(interestingengineering.com)
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Not bad. Not bad at all. I wonder how they test battery degredation in an accelerated timeframe?
Batteries degrade with repeated charge cycles along a well-known curve:
By repeated charge/discharge cycles at higher voltages, they can map out the expected bend in the curve at standard voltages with a much smaller number of cycles.