Fast-charging aqueous batteries enabled by a three-dimensional ordered Zn anode at deliberate concentration polarization

Jinze Li; Eryang Mao; Xiaozhou Ye; Tian Xu; Jie Zheng; Kaiwen Xiao; Bingbing Sun; Ming Ge; Xiaolei Yuan; Zhao Cai

doi:10.1039/D4CC01798F

Fast-charging aqueous batteries enabled by a three-dimensional ordered Zn anode at deliberate concentration polarization†

Jinze Li,‡^ab Eryang Mao,‡^c Xiaozhou Ye,^d Tian Xu,^b Jie Zheng,^b Kaiwen Xiao,^b Bingbing Sun,^b Ming Ge,^b Xiaolei Yuan

^b and Zhao Cai

*^a

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* Corresponding authors

^a Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
E-mail: caizhao@cug.edu.cn

^b School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China

^c State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China

^d The Second Research Department, Shanghai Institute of Satellite Engineering, Shanghai 201109, China

Abstract

A finely controlled concentration polarization environment was deliberately created to fabricate a three-dimensional ordered Zn metal anode with (002)-dominated planes, which enabled a high-rate aqueous Ni–Zn pouch cell with a high discharge capacity of 187.3 mA h g⁻¹ at 50 C, and a capacity retention of 94.7% and an average Coulombic efficiency of 99.8% for 500 charge/discharge cycles.

Chemical Communications

Fast-charging aqueous batteries enabled by a three-dimensional ordered Zn anode at deliberate concentration polarization†

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Fast-charging aqueous batteries enabled by a three-dimensional ordered Zn anode at deliberate concentration polarization

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