Abstract
This paper presents a flexible solid-state supercapacitor of high energy density. The electrodes of the supercapacitor are made of porous and absorbent cotton paper coated with single-wall carbon nanotubes. To ensure all solid-state configuration, a solid-state polymer-based electrolyte (poly (vinyl alcohol)/phosphoric acid) is used. The as-fabricated supercapacitor can be charged to over 3 V. It has high specific capacitance and high energy density of 115.8301 F/g carbon and 48.8587 Wh/kg carbon. Its performance is comparable to that of commercial supercapacitors, which need to utilize liquid electrolytes. Flexible solid-state supercapacitors offer several significant advantages for use in hybrid electric vehicles.
| Original language | English (US) |
|---|---|
| Article number | 104103 |
| Journal | Applied Physics Letters |
| Volume | 100 |
| Issue number | 10 |
| DOIs | |
| State | Published - Mar 5 2012 |
Bibliographical note
Funding Information:This research was supported in part by funding from the National Science Foundation (Grant CMMI 0927216).
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
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