2min snip

Planet Money cover image

Bringing a tariff to a graphite fight

Planet Money

NOTE

Optimizing Graphite Particles for Battery Efficiency

The world's largest blender uses metallic blades to spin and shape graphite particles into tiny, consistent spheres for batteries. This spherical shape is crucial to avoid clumping in the battery slurry, akin to achieving smooth paint application on a wall. Ensuring the particles are spherical rather than resembling a potato shape is a vital step in battery industry development. Finding the right blending settings is key to prevent overmixing, which can destroy the spherical shape. Continuous feedback from battery makers helps in refining the particles to the desired spherical form.

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