That's pretty impressive, but if they can't figure out how to mass produce them cost effectively, then it's pointless. Most of these battery breakthroughs never make it out of the lab.
this post was submitted on 25 Oct 2024
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That is not entirely true. Battery capacity has increased significantly in recent years due to these constant developments.
Battery capacity of established chemistries*
Could this energy density provide a good enough Wh/kg ratio for general/leisure aviation?