Robuta

https://japmed.bsu.edu.ge/index.php/japmed/article/view/7126/7142
torque densityviewalternativedesignhigh
https://www.osti.gov/pages/biblio/2301681-materials-design-selection-improve-high-current-density-performance-pemfc
The U.S. Department of Energy's Office of Scientific and Technical Information
materials and designcurrent densityselectionimprovehigh
https://www.osti.gov/pages/biblio/2484206-evidence-transverse-variability-critical-current-density-can-greatly-mitigate-screening-current-stress-high-field-rebco-magnets
The U.S. Department of Energy's Office of Scientific and Technical Information
critical currentevidencetransversevariabilitydensity
https://www.notebookcheck.net/Solid-state-battery-pioneer-breaks-energy-density-record-to-double-current-theoretical-limit.1187191.0.html
An electric vehicle with the new solid-state electrolyte chemistry would be able to cover more than 1,000 miles on a single charge. The solid-state battery...
solid state batteryenergy densitypioneerbreaksrecord