期刊
MATERIALS LETTERS
卷 262, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.matlet.2019.127180
关键词
Zinc ion batteries; Polypyrrole coating; Core-shell structure; Energy storage and conversion; Nanocomposites
资金
- National Natural Science Foundation of China [21905140, 21601089]
- Startup Foundation for Introducing Talent of NUIST [2017r056]
- Jiangsu province Double Plan
In this work, polypyrrole coated alpha-MnO2 core-shell nanorods (alpha-MnO2@PPy) were constructed via an in-situ self-polymerization process. In aqueous zinc ion battery testing, the alpha-MnO2@PPy exhibits a capacity of 148 mAh/g and remain 85 mAh/g after 100 cycles, showing great improvement upon the bare alpha-MnO(2 )sample. The enhanced performances should be ascribed to the polypyrrole coating, which not only alleviates the Mn2+ dissolution but also improves the conductivity of alpha-MnO2 electrode. (C) 2019 Elsevier B.V. All rights reserved.
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