From spent alkaline batteries to active Zn||ZnxMn2O4 aqueous batteries: a mild process of cathode recycling and crystal engineering

Junjian Zhou; Shen Wang; Xinyu Wang; Chengyu Zhang; Zhengguo Gu; Tong Zhou; Zhiye Yuan; Ting Long; Jiang Yin; Yahui Yang; Lishan Yang

doi:10.1039/D2CE01132H

From spent alkaline batteries to active Zn||Zn_xMn₂O₄ aqueous batteries: a mild process of cathode recycling and crystal engineering†

Junjian Zhou,^a Shen Wang,^a Xinyu Wang,^a Chengyu Zhang,^a Zhengguo Gu,^a Tong Zhou,^b Zhiye Yuan,^b Ting Long,^a Jiang Yin,^a Yahui Yang*^a and Lishan Yang

*^a

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* Corresponding authors

^a Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education of China), National and Local Joint Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, Changsha, Hunan 410081, P. R. China
E-mail: yangyahui2002@sina.com, lsyang.chemistry@gmail.com

^b Xiangtan Electrochemical Scientific Co., Ltd., Xiangtan, Hunan 411100, P. R. China

Abstract

Zn_xMn₂O₄/carbon was recycled from spent alkaline batteries under mild conditions, then applied as a cathode material in aqueous zinc batteries, which can achieve an excellent specific capacity of 292 mA h g⁻¹ over 200 cycles at a current density of 150 mA g⁻¹.

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From spent alkaline batteries to active Zn||Zn_xMn₂O₄ aqueous batteries: a mild process of cathode recycling and crystal engineering†

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From spent alkaline batteries to active Zn||Zn_xMn₂O₄ aqueous batteries: a mild process of cathode recycling and crystal engineering

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