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China's 40-story gravity batteries threaten lithium's energy reign (interestingengineering.com)

submitted 2 weeks ago by [email protected] to c/[email protected]

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[–] [email protected] -4 points 2 weeks ago (1 children)

what simplicity? solid state is simplicity, a weight on a guide attached thru a cable and a bunch of gears to a generator/motor + the necessary safety features is the very antithesis of simplicity.

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[–] [email protected] 16 points 2 weeks ago

Simplicity compared to the process of mining and refining rare earth minerals to make batteries.

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