Facile plasma treated beta-MnO2@C hybrids for durable cycling cathodes in aqueous Zn-ion batteries
作者:Jiang, WW (Jiang, Wanwei)[ 1,2 ] ; Xu, XJ (Xu, Xijun)[ 2 ] ; Liu, YX (Liu, Yuxuan)[ 2 ] ; Tan, L (Tan, Liang)[ 2 ] ; Zhou, FC (Zhou, Fengchen)[ 2 ] ; Xu, ZW (Xu, Zhiwei)[ 1 ] ; Hu, RZ (Hu, Renzong)[ 2 ]
JOURNAL OF ALLOYS AND COMPOUNDS
卷: 827
文献号: 154273
DOI: 10.1016/j.jallcom.2020.154273
出版年: JUN 25 2020
文献类型:Article
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摘要
Aqueous zinc-ion batteries have emerged as prospective energy storage devices to partly replace organic ion batteries due to their high safety and eco-friendliness. Providing multifold synthesis methods of cathode materials is essential for Zn-ion battery development. Here, we demonstrated a practical strategy for the large-scale fabrication of high performance beta-MnO2@C hybrid cathode materials by plasma assisted milling (P-milling). After P-milling for 10 h, the porous hybrid microparticles consisted of MnO2 nanocrystallites, which combined and wrapped with the thin carbon layer derived from expanded graphite. The pores among the beta-MnO2@C particles facilitated electrolyte infiltration during continuous cycling, while combining with carbon greatly enhanced the conductivity of the hybrids and helped to alleviate MnO2 dissolution. Therefore, the beta-MnO2@C hybrids delivered excellent cycle stability, with a high capacity of 130 mAh g(-1) for 400 cycles at a current rate of 300 mA g(-1) in an aqueous Zn(CF3SO3)(2) electrolyte. This capacity retention was amongst the highest reported so far for MnO2-based cathode materials for Zn-ion batteries. (C) 2020 Elsevier B.V. All rights reserved.
关键词
作者关键词:Zinc-ion battery; Manganese dioxide; Plasma milling; Aqueous electrolyte
KeyWords Plus:LONG-LIFE; ANODE; GRAPHENE; COMPOSITE
作者信息
通讯作者地址: Xu, ZW (通讯作者)
显示更多Tianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China.
通讯作者地址: Hu, RZ (通讯作者)
显示更多South China Univ Technol, Sch Mat Sci & Engn, Guangdong Prov Key Lab Adv Energy Storage Mat, Guangzhou 510640, Peoples R China.
地址:
显示更多[ 1 ] Tianjin Polytech Univ, Sch Text, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China
显示更多[ 2 ] South China Univ Technol, Sch Mat Sci & Engn, Guangdong Prov Key Lab Adv Energy Storage Mat, Guangzhou 510640, Peoples R China
电子邮件地址:xuzhiwei@tjpu.edu.cn; msrenzonghu@scut.edu.cn
基金资助致谢
基金资助机构显示详情授权号
National Natural Science Foundation of China
51671088
51822104
51831009
11575126
Guangzhou Science and Technology Plan Projects
201904020018
Fundamental Research Funds for the Central Universities
2019CG24
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出版商
ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE, SWITZERLAND
期刊信息
Impact Factor (影响因子): Journal Citation Reports
类别 / 分类
研究方向:Chemistry; Materials Science; Metallurgy & Metallurgical Engineering
Web of Science 类别:Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering