Are we finally getting 3D-printed batteries?

Dry printing of battery electrodes can avoid the toxic solvents
and industrial ovens involved in the conventional wet process,
which means a smaller physical and environmental footprint, but
engineers have struggled to make it work at the needed scale and
speed. Now a company called Sakuu says it has cracked the code.
It is selling machines it claims will be able to print multiple
battery chemistries, at competitive costs and speeds. I talk with
CTO Karl Littau about the details and what 3D printing could
enable in future batteries.


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