Greener, friendlier alternatives exist for rare earth minerals in batteries


"Standard-range Tesla cars’ batteries use no cobalt. Battery leaders Samsung and Panasonic are designing out cobalt... iron-nitride supermagnets using no rare earths but with comparable or potentially greater performance... everything that permanent-magnet motors and generators do can also be done as well or better using two other innovations that require no rare earth minerals: control software and power electronics made of silicon, the most abundant solid element on Earth"

Related:

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Breakthrough cosmic metal could take place of rare earth magnets in EVs, wind turbines
https://news.yahoo.com/scientific-breakthrough-mysterious-cosmic-metal-190000695.html

Niron Magnetics to produce iron nitride, working to improve it’s properties for use in stronger magnets; may help address rare earth supply crunch

Researchers take next step toward better performing batteries using less critical raw materials

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