Using CNTs to develop lightweight electric motors without copper coils

https://www.eurekalert.org/news-releases/1086431

"RPM stably controlled according to input voltage... catalyst metal residue from manufacturing process degrade CNT electrical properties, overcome using CNT purification utilizing fourth state of matter liquid crystal alignment principle naturally resolving strong aggregation, removing metallic particles without damaging CNT's nanostructure... purification significantly improves conductivity... also applicable to conductive materials for batteries, pellicles for semiconductors, cables for robots"