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Articles on Batteries

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A “creuseur,” or digger, descends into a tunnel at the mine in Kawama, Democratic Republic of Congo. Michael Robinson Chavez/The Washington Post via Getty Images

As cobalt demand booms, companies must do more to protect Congolese miners

Companies can't verify that their source didn't involve artisanal mining. A discussion over responsible sourcing strategies and practices is needed.
Replacing carbon-emitting gas-powered cars with EVs requires whittling away EVs’ price premium, and that comes down to one thing: battery cost. Westend61 via Getty Images

The road to electric vehicles with lower sticker prices than gas cars – battery costs explained

EVs will have lower sticker prices than gas vehicles when batteries are cheaper. Getting there comes down to knowing where to cut costs.
Artist Albert Robida imagined in 1882 how air travel might look in future. Everett Historical/Shutterstock

How will we travel the world in 2050?

More than a century since humans learned to fly, we need to revolutionise how we stay up there.
Lithium-ion batteries power lots of different kinds of devices. Transport Canada

How do lithium-ion batteries work?

The 2019 Nobel Prize in Chemistry rewarded crucial advances in these small, powerful, easy to charge batteries.

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