Sn and Bi dual-doping K+ pre-intercalated δ-MnO2 as cathode material for aqueous zinc-ion batteries

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成果类型：

期刊论文

作者：

Yin, Ting;Han, Changxin;Xiao, Yuxuan;Chou, Juan;Zheng, Yuhong;...

通讯作者：

Cheng, Juanjuan;Ou, Y;Cheng, JJ

作者机构：

[Yin, Ting; Han, Changxin; Ou, Yun; Liu, Longfei; Xiao, Yuxuan; Zheng, Yuhong; Cheng, Juanjuan; Chou, Juan] Hunan Univ Sci & Technol, Sch Mat Sci & Engn, Xiangtan 411201, Peoples R China.

[Cheng, Juanjuan] Hunan Univ Sci & Technol, Hunan Prov Key Lab Adv Mat New Energy Storage & Co, Xiangtan 411201, Peoples R China.

[Yang, Li] Xiangtan Univ, Hunan Key Lab Environmentally Friendly Chem & Appl, Minist Educ, Xiangtan 411105, Peoples R China.

[Dai, Cuiying] Changsha Univ Sci & Technol, Sch Mat Sci & Engn, Changsha 410114, Peoples R China.

通讯机构：

[Cheng, JJ; Ou, Y ; Cheng, JJ ] H

Hunan Univ Sci & Technol, Sch Mat Sci & Engn, Xiangtan 411201, Peoples R China.

Hunan Univ Sci & Technol, Hunan Prov Key Lab Adv Mat New Energy Storage & Co, Xiangtan 411201, Peoples R China.

语种：

英文

期刊：

Journal of Materials Science

ISSN：

0022-2461

年：

2025

页码：

1-10

DOI：

10.1007/s10853-025-11537-7

基金类别：

the Science and Technology Project of Hunan Provincial Department of Education [23A0386]; Science and Technology Project of Hunan Provincial Department of Education [S2024105340100]; Provincial College Students' innovation and entrepreneurship training program [23HJYH08]; Open Project Program of Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, China [kq2402007]; Changsha Natural Science Foundation

机构署名：

本校为其他机构

院系归属：

材料科学与工程学院

摘要：

Manganese dioxide (MnO2) is a promising cathode material for aqueous zinc-ion batteries (AZIBs) due to its high operating voltage, rich resources and environmental friendliness. However, its slow electrochemical kinetics and poor cycling stability constrain its practical application. In the study, Sn-BiOCl prepared by hydrothermal method was used as a bimetallic cation dopant to investigate the effect of tin and bismuth on the structure and properties of K+ pre-intercalated delta-MnO2 (K0.27MnO20.54H2O). The electrode shows a discharge specific capacity of up to 464 mAh g-1 at a current densit...

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Sn and Bi dual-doping K+ pre-intercalated δ-MnO2 as cathode material for aqueous zinc-ion batteries

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