AI Article Synopsis
- * The PEDOT:PSS/ITO/PET electrode demonstrated significant performance, achieving a maximum capacitance of 10 μAh cm-2 in a specific solution and maintaining 63% of initial capacitance after 1000 cycles.
- * A high-voltage device using this electrode was developed, showing energy densities of 6.2 Wh kg-1 in 0.1 M NaCl, which increased to 11 Wh kg-1 with a higher Pb2+ concentration.
Article Abstract
This work investigated the potential application of roll-to-roll printed PEDOT:PSS on an ITO/PET substrate using Pb2+ containing 0.1 M NaCl aqueous solution for a supercapattery. The PEDOT:PSS/ITO/PET electrode achieved 2.2 μAh cm-2 (46.5 mAh g-1) in 0.1 M NaCl and 10 μAh cm-2 (216.8 mAh g-1) in 2 mM Pb2+/0.1 M NaCl at a current density of 0.2 mA cm-2 (4.34 A g-1). The electrode also shows good cyclic performance that retains 63% of its initial capacitance after 1000 charge-discharge cycles. A device operating at a high voltage of 1.8 V was built using PEDOT:PSS/ITO/PET in aqueous electrolyte. The energy density of the symmetric PEDOT:PSS/ITO/PET device is 6.2 Wh kg-1 in 0.1 M NaCl and is improved to 11 Wh kg-1 in 3 mM Pb2+/0.1 M NaCl.
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| http://dx.doi.org/10.1039/c9cp06730b | DOI Listing |
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