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by thebruce87m
900 days ago
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What about sodium batteries? > Even under frigid conditions, sodium-ion batteries can maintain a high degree of ion mobility within their electrolyte. This increased mobility ensures that the battery can continue to deliver reliable performance when temperatures drop. https://nadionenergy.com/why-sodium-ion-batteries-perform-we.... Or is it temperature cycling that causes your problems? |
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For the most part I don't actually need batteries that work in the freezing cold, so much as survive it unmaintained for months at a time. I had solar panel damage last winter that allowed one battery to discharge enough to freeze. That is fatal to a standard flooded lead-acid battery.
If my test battery survives this winter then I will consider using the same type to replace lead-acid ones as they age out.