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Showing posts from September, 2024

battery claims

Battery claims Battery claims August 19th 2025, Hyundai patents a way of using copper in solid-state batteries  Copper is cheaper than Nickel or stainless steel, but suffers corrosion issues. What is notable is companies pursuing improvements in technology that hasn't even hit the market yet. I see it as a strike against those still thinking solid-state is at least 5 years away. https://www.electrive.com/2025/08/18/hyundai-patents-breakthrough-for-copper-use-in-solid-state-batteries/ August 19 2025, CATL Naxtra sodium ion batteries  Imagine a very cheap, very long life sodium ion battery with 175wh/kg energy density, the same density as current LFP batteries at a cost that is $20 a kwh and decreasing.  I'm not including a link as all I read on this poor journalism.  But it takes little imagination to see this as a game changer for grid storage. If it is half the price of LFP and lasts twice as long you can see the implications.  Those are my more conservative fi...