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this post was submitted on 11 May 2026
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Current sodium chemistries have a kinda shitty voltage curve. I expect it will get better, but right now a LOT of the power delivery happens with voltages below 3 volts. LFP batteries deliver most of their power at higher voltages which lets you use thinner conductors and cheaper/more efficient electronics.
Again, not saying that it's necessarily an inherent flaw in sodium chemistries, just that the current generation that people can access and test right now is unsuitable for some tasks.
CATL announced a sodium + lithium battery configuration as part of their future plans.