期刊
ENERGY & ENVIRONMENTAL SCIENCE
卷 6, 期 11, 页码 3331-3338出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ee42366b
关键词
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资金
- National Basic Research Program of China [2010CB934700]
- National Natural Science Foundation of China [91022032, 91227103, 21061160492, J1030412]
- Chinese Academy of Sciences [KJZD-EW-M01-1]
- Hainan Province Science and Technology Department [CXY20130046]
To meet the pressing demands for portable and flexible equipment in contemporary society, it is strongly required to develop next-generation inexpensive, flexible, lightweight, and sustainable supercapacitor systems with large power densities, long cycle life, and good operational safety. Here, we fabricate a flexible all-solid-state supercapacitor device with nitrogen-doped pyrolyzed bacterial cellulose (p-BC-N) as the electrode material via a low-cost, eco-friendly, low-temperature, and scalable fabrication hydrothermal synthesis. The pliable device can reversibly deliver a maximum power density of 390.53 kW kg(-1) and exhibits a good cycling durability with similar to 95.9% specific capacitance retained after 5000 cycles. Therefore, this nitrogen-doped carbon nanofiber electrode material holds significant promise as a flexible, efficient electrode material.
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