期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 702, 期 -, 页码 693-699出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2017.01.241
关键词
Supercapacitors; Graphene; Vanadium pentoxide; Flower-like nanostructure
资金
- Vietnam National Foundation for Science and Technology Development (NAFOSTED) [103.99-2015.01]
- Priority Research Centers Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2014R1A6A1031189]
Hierarchical flower-like V2O5 growth on graphene and nickel foam electrodes was fabricated by using chemical vapor deposition and hydrothermal methods for electrochemical capacitors. Taking advantages of the high conductivity of graphene, high capacitance of well-defined V2O5 flower-like structure and open framework of three-dimensional nickel foam, the resulting electrodes exhibited rapid electron and ion transport, large electroactive surface area, and excellent structural stability. The specific capacitance was as high as 1235 F g(-1) at a current density of 2 A g(-1), suggesting its potential as a high performance electrode for supercapacitors. (C) 2017 Elsevier B.V. All rights reserved.
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