期刊
APPLIED PHYSICS LETTERS
卷 107, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4926570
关键词
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资金
- National Natural Science Foundation of China [12120502900]
- Key Laboratory of Molecular Imaging Probes and Sensors for Shanghai Universities
- Industrial Research Fund from Wuhu Token Sciences Co., Ltd.
- Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning
In this letter, we demonstrated gravure printing of hybrid MoS2@S-rGO consisting of sulfonated reduced graphene oxide (S-rGO) and MoS2 nanoflowers to obtain a highly porous pattern of interdigitated electrodes, leading to a microsupercapacitor on a flexible polyimide substrate. The in-plane interdigital design of the printed microelectrodes is effective in increasing accessibility of electrolyte ions into the large active surface area. The optimized MoS2@S-rGO microsupercapacitor achieved a high specific capacitance (6.56 mF/cm(2)), energy density (0.58 mWh/cm(3)), and power density (13.4 mW/cm(3)), respectively. In addition, the printed microsupercapacitor lost only 9% of the maximum capacity after 1000 cycles, indicating that the printed hybrid MoS2@S-rGO microsupercapacitors are quite stable for potential flexible device applications. (C) 2015 AIP Publishing LLC.
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