The world’s biggest battery and how inventors are creating giant batteries to help power the world

How can lakes be a battery?


As of 2020, the world’s biggest lithium-ion battery is hooked up to the Southern California power grid and can provide enough power for about 250,000 homes. But it’s actually not the biggest battery in the world: a pair of lakes are. How can lakes be a battery?

Explore how inventors are rethinking what a battery can be, and how these surprising solutions could help us achieve a sustainable future.

This video was produced and published by TED-Ed. It was originally published on their YouTube channel.

Directed by Lisa LaBracio.
Animation and art direction by Luísa M H Copetti & Hype CG.

In partnership with Bill Gates, inspired by his book “How To Avoid A Climate Disaster”

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