3D Highly Conductive Silver Nanowire@PEDOT: PSS Composite Sponges for Flexible Conductors and Their All-Solid-State Supercapacitor Applications

In Kyu Moon, Seonno Yoon, Jungwoo Oh

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Although increasing attention has been paid to wearable electronic devices in recent years, flexible supercapacitors with high performance remain not readily available because of the limitations of flexible electrode types. A highly conductive 3D macroporous sponge is fabricated by coating poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)/silver nanowires (AgNWs) on a commercial sponge using a simple and low-cost “immersion method.” The fabricated flexible 3D sponge conductor shows a high electrical conductivity of 3.94 × 10−4 S cm−1 with good stability in various environments and under bending deformation. To exploit the potential of the flexible 3D PEDOT:PSS/AgNW coating on the sponge as a current collector for energy-related applications, urchin-like Co(OH)F arrays are directly grown on PEDOT:PSS/AgNW-on-sponge conductors for all-solid-state supercapacitors. The resulting symmetric all-solid-state supercapacitor exhibits a mass-specific capacitance of 103.7 F g−1 at a current density of 1 A g−1, retaining 85.8% of the initial capacitance after 3000 cycles, and mechanical flexibility during bending. This fabrication of the 3D lightweight conductor can be easily scaled up for mass production and introduces new opportunities for flexible electronic applications.

Original languageEnglish
Article number1700860
JournalAdvanced Materials Interfaces
Volume4
Issue number22
DOIs
Publication statusPublished - 2017 Nov 23

Fingerprint

Nanowires
Silver
Composite materials
Capacitance
Flexible electronics
Coatings
Current density
Fabrication
Electrodes
Supercapacitor
Costs
Wearable technology
Electric Conductivity

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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abstract = "Although increasing attention has been paid to wearable electronic devices in recent years, flexible supercapacitors with high performance remain not readily available because of the limitations of flexible electrode types. A highly conductive 3D macroporous sponge is fabricated by coating poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)/silver nanowires (AgNWs) on a commercial sponge using a simple and low-cost “immersion method.” The fabricated flexible 3D sponge conductor shows a high electrical conductivity of 3.94 × 10−4 S cm−1 with good stability in various environments and under bending deformation. To exploit the potential of the flexible 3D PEDOT:PSS/AgNW coating on the sponge as a current collector for energy-related applications, urchin-like Co(OH)F arrays are directly grown on PEDOT:PSS/AgNW-on-sponge conductors for all-solid-state supercapacitors. The resulting symmetric all-solid-state supercapacitor exhibits a mass-specific capacitance of 103.7 F g−1 at a current density of 1 A g−1, retaining 85.8{\%} of the initial capacitance after 3000 cycles, and mechanical flexibility during bending. This fabrication of the 3D lightweight conductor can be easily scaled up for mass production and introduces new opportunities for flexible electronic applications.",
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3D Highly Conductive Silver Nanowire@PEDOT : PSS Composite Sponges for Flexible Conductors and Their All-Solid-State Supercapacitor Applications. / Moon, In Kyu; Yoon, Seonno; Oh, Jungwoo.

In: Advanced Materials Interfaces, Vol. 4, No. 22, 1700860, 23.11.2017.

Research output: Contribution to journalArticle

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