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Showing posts from December, 2022

Electro Kinetic Mining of Rare Earths

By Ian Page – 2022.12.07 Wang, G., Xu, J., Ran, L.  et al.  A green and efficient technology to recover rare earth elements from weathering crusts.  Nat Sustain  (2022). https://doi.org/10.1038/s41893-022-00989-3 This is a low-impact innovation in mining that has been demonstrated on real deposits of rare earths at the 14-ton scale.

BMW Moves to Big Cylindrical Battery Cells

By Ian Page – 2022.12.07 Tesla, uniquely amongst serious car companies, is moving from small diameter cylindrical battery cells to large cylinders called 4680. You may wonder why packing cylinders together in a battery pack is better than packing prismatic (rectangular) cells which fit together much better.