Polypyrrole Film Decorated Manganese Oxide Electrode Materials for High-Efficient Aqueous Zinc Ion Battery

被引：3

作者：

Liu, Yi ^{[1
]}

Zhang, Yuyin ^{[1
]}

Wu, Xiang ^{[1
]}

机构：

[1] Shenyang Univ Technol, Sch Mat Sci & Engn, Shenyang 110870, Peoples R China

来源：

CRYSTALS | 2023年 / 13卷 / 10期

关键词：

zinc ion battery; manganese oxide; nanowires; electrode materials; cycling stability; CATHODE MATERIAL; HIGH-CAPACITY; COMPOSITE; DIOXIDE;

D O I：

10.3390/cryst13101445

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Aqueous zinc-ion batteries (AZIBs) have raised wide concern as a new generation energy storage device due to their high capacity, low cost, and environmental friendliness. It is a crucial step to develop the ideal cathode materials that match well with the Zn anode. In this work, we report polypyrrole-(PPy)-encapsulated MnO2 nanowires as cathode materials for AZIBs. The assembled Zn//MnO2@PPy batteries deliver a reversible capacity of 385.7 mAh g-1 at a current density of 0.1 A g-1. Also, they possess an energy density of 192 Wh kg-1 at a power density of 50 W kg-1. The cells show long-term cycling stability, with a retention rate of 96% after 1000 cycles. The outstanding electrochemical performance indicates their potential applications in large-scale energy storage.

引用

页数：10

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