While lithium extraction technologies generally focus on ways to get the essential metal out of the ground, there's another source to mine: existing batteries that no longer work. A new technique could now make that process economically viable.

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[–] 39 points 11 months ago (13 children)

Idk where they got the picture from but 4300mah in aa size would be insane. Thats like 2.5 times as much capacity as how much the best ones provide currently.

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  • [–] 42 points 11 months ago (2 children)

    Was gonna say maybe they're 18650s but it Def says AA on them. I'm gonna go with it's a made up / AI-generated image

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  • [–] 3 points 11 months ago* (last edited 11 months ago)

    In case anyone’s curious: it is likely a cell wrapper misprint/typo.

    4300mWh AA lithium ion cells are a standard extended-life chemistry. 2866 mAh is their actual rated capacity.

    Edit: 2866 x 1.5 = 4,300

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  • [–] 2 points 11 months ago (2 children)

    There are plenty of cells that size over 3000mah.

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  • [–] 4 points 11 months ago (1 child)

    The highest capacity one that is properly commercially available is the vapcell f15 which is known for quality control issues. Its advertised capacity is 1500mah but multiple sources measured it at an actual usable capacity of 1250-1350.

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