Eutectic electrolytes enable dendrite-free and ultradurable zinc metal anodes for rechargeable zinc batteries

Optical images of symmetric Zn‖Zn cells showing plating/stripping at an ultra-high current density of 5 mA cm −2 , and characteristic GCD performance of Zn‖V 2 O 5 cells at extreme temperatures from −20 °C to 60 °C.