期刊
NANO LETTERS
卷 9, 期 5, 页码 1872-1876出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl8038579
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资金
- Global Climate and Energy Project at Stanford
- US Office of Naval Research
- King Abdullah University of Science and Technology
- National Science Foundation
- Stanford Graduate Fellowship
Thin film supercapacitors were fabricated using printable materials to make flexible devices on plastic. The active electrodes were made from sprayed networks of single-walled carbon nanotubes (SWCNTs) serving as both electrodes and charge collectors. Using a printable aqueous gel electrolyte as well as an organic liquid electrolyte, the performances of the devices show very high energy and power densities (6 W h/kg for both electrolytes and 23 and 70 kW/kg for aqueous gel electrolyte and organic electrolyte, respectively) which is comparable to performance in other SWCNT-based supercapacitor devices fabricated using different methods. The results underline the potential of printable thin film supercapacitors. The simplified architecture and the sole use of printable materials may lead to a new class of entirely printable charge storage devices allowing for full integration with the emerging field of printed electronics.
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