A multi-functional polymer coating enabling stable Zn anodes for high performance zinc-ion batteries
Abstract
Aqueous zinc-ion batteries are hindered by side reactions arising from the high reactivity of the Zn anode. Herein, a novel three-dimensional polyethyleneimine/graphene oxide aerogel coating is designed to reinforce the zinc anode, which promotes rapid Zn2+ diffusion and ensures uniform deposition by enhancing adsorption energy and reducing ion-migration barriers.

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