文献详情
Enhanced Ion Conduction via Epitaxially Polymerized Two-Dimensional Conducting Polymer for High-Performance Cathode in Zinc-Ion Batteries
文献类型：期刊
通讯作者：Xue, MQ (reprint author), Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100190, Peoples R China.; Xue, MQ (reprint author), Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China.
期刊名称：ACS APPLIED MATERIALS & INTERFACES影响因子和分区
年：2020
卷：12
期：8
页码：9347-9354
ISSN：1944-8244
关键词：aqueous zinc-ion battery; epitaxial polymerization; 2D conducting polymer; manganese-based cathode; polypyrrole
所属部门：化学系
摘要：Aqueous zinc-ion batteries (AZIBs) are one of the promising choices for the future large-scale grid energy storage, in which Mn-based cathode materials have the advantages of low cost and environmental friendliness. However, their capacity delivery and cycling stability are limited by the large bulk-induced incomplete zincation and z structure pulverization. Here, we develop a strategy of epitaxial polymerization in the liquid phase to fabricate two-dimensional (2D) MnOx/polypyrrole nanosheets t ...More
Aqueous zinc-ion batteries (AZIBs) are one of the promising choices for the future large-scale grid energy storage, in which Mn-based cathode materials have the advantages of low cost and environmental friendliness. However, their capacity delivery and cycling stability are limited by the large bulk-induced incomplete zincation and z structure pulverization. Here, we develop a strategy of epitaxial polymerization in the liquid phase to fabricate two-dimensional (2D) MnOx/polypyrrole nanosheets to enhance the zinc-ion storage by realizing the efficient utilization of active materials and improving the structural stability via a polymerized framework. An ultrahigh capacity of 408 mAh g(-1) is demonstrated at 1C rate, and an excellent capacity retention of 78% is realized after 2800 cycles at 5C rate for the AZIB. Electrochemical and morphological characterizations reveal that the unique 2D structure contributes to both the electron/ion conductivity and structural stability. The epitaxial polymerization of the conducting polymer in the liquid phase provides a new perspective to the synthesis of high-performance electrode materials and 2D conducting polymers. ...Hide

DOI：10.1021/acsami.9b22470
百度学术：Enhanced Ion Conduction via Epitaxially Polymerized Two-Dimensional Conducting Polymer for High-Performance Cathode in Zinc-Ion Batteries
语言：外文
基金："Transformational Technologies for Clean Energy and Demonstration," Strategic Priority Research Program of the Chinese Academy of Sciences [XDA21010214]; National Key Research and Development Program of China [2016YFB0700604]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [21622407, 21673008, 21875266]; Beijing National Laboratory for Molecular Sciences [BNLMS201909]; Shenzhen Science and Technology Research Grant [JCYJ20170412150450297]
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