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Articles on Rare metals

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The electric car makes it possible to partially decarbonize transportation, but the fate of the batteries after their use remains an open problem. Michael Marais/Flickr

Can electric vehicle batteries be recycled?

Between reuse and recycling, what happens to the batteries of electric vehicles?
Off-road vehicles are driven on a property that will be mined for lithium along the Salton Sea, in Niland, Calif., in July 2021. Lithium is critical to rechargeable batteries. (AP Photo/Marcio Jose Sanchez)

It’s not necessary to trash the environment to extract metals needed for renewable energy

Canada could become a global leader in the supply of materials needed for renewable energy systems if it finds ways to control the environmental footprints associated with their extraction.
Pulsed extraction column (normally positioned vertically). JCP Gabriel, CEA Marcoule DES/ISEC/DMRC

New technologies to recycle electronic waste

Electronic waste is accumulating and is a resource to be exploited. Microfluidic devices allow the development of recycling, including the recycling of rare earths – a precious resource.
Section of a tumor observed with an optical microscope. The two white forms with brown borders are blood vessels. Inside, gold nanoparticles accumulate against their walls. Mariana Varna-Pannerec (ESPCI)

Destroying tumors with gold nanoparticles

Gold can be used to make jewelry, but also to fight cancer. Several clinical trials are currently underway in the United States where patients are being treated with gold nanoparticles.

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