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} .seac-gallery-section { padding: 48px 16px !important; } } .seac-card:hover { transform: translateY(-4px); } /* Overrides: theme-proof */ .seac-article h3, .seac-article h3 a { font-family: Georgia, ‘Times New Roman’, serif !important; } .seac-article h3 { font-size: 1.3rem !important; font-weight: 400 !important; color: #0b2e4f !important; line-height: 1.35 !important; margin: 2rem 0 0.4rem !important; } .seac-article h3 a { color: #0b2e4f !important; text-decoration: none !important; border-bottom: 1px solid transparent !important; } .seac-article h3 a:hover { border-bottom-color: #c9a227 !important; } .seac-article p { font-size: 17px !important; line-height: 1.85 !important; color: #2b2b2b !important; } .seac-article p a { color: #0b2e4f !important; text-decoration: underline !important; text-decoration-color: #c9a227 !important; text-underline-offset: 3px !important; } .seac-article .seac-btn { color: #0b2e4f !important; text-decoration: none !important; } .seac-article .seac-card { text-decoration: none !important; 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Rare Earth Metals in Electric Vehicles
Rare earth metals in electric vehicles are used mainly in permanent magnets for traction motors. Neodymium-iron-boron magnets give strong magnetic force for their size, and small additions of dysprosium help them keep their strength at high temperatures.
Why magnets matter in motors
A compact, efficient motor needs a strong magnetic field from a small volume. Rare earth magnets provide that, which is why they are widely used in traction motors and in power-steering and other auxiliary systems.
Rare earths beyond the magnet
Lanthanum is used in some battery chemistries. Other rare earths appear in sensors, electronics and lightweight alloys used in vehicle design.
Motor design choices
- Permanent magnet motors use rare earth magnets and offer high efficiency.
- Some designs use electrically excited motors that avoid rare earth magnets.
- Designers balance cost, weight, efficiency and supply risk when choosing.
Why supply matters to manufacturers
Automakers and magnet makers plan their supply years in advance. Shortages or export restrictions can delay production, so many manufacturers look for second sources or redesign motors to reduce rare earth content.
Key Points
- Permanent magnets are the main rare earth use in EV motors.
- Dysprosium improves heat resistance in neodymium magnets.
- Motor design can reduce rare earth dependence.
- Supply planning is critical for manufacturers.
Next Steps
Speak to our team about your question.
This article is general information, not financial, legal or tax advice.
