Tesla announced at its 2024 Investor Day event that it plans to bring an electric motor to market that requires no rare earth elements. While this may not be a very big deal to most folks, there are reasons it matters.
Most people who buy an EV probably don't even think about rare earth elements, much less even know what they are or why they matter. However, as EVs move into the mainstream, people lobbying against them will go to great lengths to cite their faults. There have been all sorts of EV myths and horror stories over the years, many of which were based on false claims but disseminated by people with an agenda to push back against the new technology.
In the case of rare earth elements, it would certainly be best not to use them. They are often expensive, difficult to come by, and sourced and processed in areas like China. As the US tries to move away from relying on other countries for material sourcing and processing, rare earth elements are certainly cause for concern.There's already plenty of misinformation out there about EVs and the use of rare earth elements.
Neodymium appears to be the most common and is used for strong magnets, which are present in DC permanent magnet motors. Other common rare earth elements in electric motors areuses such elements in its DC permanent magnet motors, but not its AC
If they have managed to create neodymium class magnets without neodymium is a nice thing, but the only thing you win is less dependency on China as most of those rare earth metals are found there. Having said that the Swedes seems to have found some, so it’s not that important.
I absolutely can't wait for this tech to be explained
Tesla is amazing
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