Aluminum has an energy density more than 50 times higher than lithium ion, if you treat it as an energy storage medium in a redox cycle battery. Swiss scientists are developing the technology as a renewable energy stash for the European winter.

As with any new battery tech, I’ll believe it when I see it.

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This isn’t any new tech though, the tricky part is the supply-chain logistics and if they can build a sufficiently cheap hydrogen fuel-cell with residential heating component for it.

New tech or not, I’ll believe it when I see it in widespread use. 101 times bitten by battery grifts, 102nd time shy.

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