Electroplating
Researchers at the University of Illinois, Xerion Advanced Battery Corporation and Nanjing University in China developed a method for electroplating lithium-ion battery cathodes, yielding high-quality, high-performance battery materials that could also open the door to flexible and solid-state batteries.ery materials that could also open the door to flexible and solid-state batteries.
Electroplating is a crazy concept so go read this article and give your opinion on electroplating.