Rechargeable Aqueous Zn–V<sub>2</sub>O<sub>5</sub> Battery with High Energy Density and Long Cycle Life

Zhang, Ning; Dong, Yang; Jia, Ming; Bian, Xu; Wang, Yuanyuan; Qiu, Mande; Xu, Jianzhong; Liu, Yongchang; Jiao, Lifang; Cheng, Fangyi

doi:10.1021/acsenergylett.8b00565

Public

Rechargeable Aqueous Zn–V2O5 Battery with High Energy Density and Long Cycle Life

Published in ACS Energy Letters • May 16, 2018

Authors:

Ning Zhang

Yang Dong

Ming Jia

Abstract

We report an aqueous Zn–V2O5 battery chemistry employing commercial V2O5 cathode, Zn anode, and 3 M Zn(CF3SO3)2 electrolyte. We elucidate the Zn-storage mechanism in the V2O5 cathode to be that hydrated Zn2+ can reversibly (de)intercalate through the layered structure. The function of the co-interca...

Subject

Cathode

Aqueous solution

Anode

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