A conductive selenized polyacrylonitrile cathode in nucleophilic Mg2+/Li+ hybrid electrolytes for magnesium–selenium batteries

Rechargeable magnesium–selenium (Mg–Se) batteries are promising electrochemical systems with higher energy density than traditional magnesium batteries. This work proposes combining of a conductive Se/PAN cathode and a compatible nucleophilic electrolyte to promote the performance of Mg–Se batteries.