Coaxial Ag–Base Metal Nanowire Networks with High Electrochemical Stability for Transparent and Stretchable Asymmetric Supercapacitors

Coaxial Ag–Base Metal Nanowire Networks with High Electrochemical Stability for Transparent and Stretchable Asymmetric Supercapacitors

Transparent and stretchable Ag–Ni and Ag–Fe core–shell nanowire networks were fabricated as a cathode and anode, respectively, for asymmetric supercapacitors. Both electrodes showed a reversible stretchability at up to 100% strain and exhibited high electrochemical stability and specific capacitance...

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Bibliographic Details
Main Authors: Park, Sangbaek, Tan, Alvin Wei Ming, Wang, Jiangxin, Lee, Pooi See
Other Authors: School of Materials Science & Engineering
Format: Article
Language:English
Published: 2017
Subjects:
Asymmetric Supercapacitor
Nanowire networks
Online Access:https://hdl.handle.net/10356/83008
http://hdl.handle.net/10220/42384
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Institution: Nanyang Technological University
Language: English
Description
Summary:Transparent and stretchable Ag–Ni and Ag–Fe core–shell nanowire networks were fabricated as a cathode and anode, respectively, for asymmetric supercapacitors. Both electrodes showed a reversible stretchability at up to 100% strain and exhibited high electrochemical stability and specific capacitances of ∼3 mF cm−2 with 50% optical transmittance. The asymmetric device assembled with a PVA/KOH electrolyte demonstrated a high operating voltage of 1.6 V and an excellent capacitance retention (92%) over 5000 cycles even after stretching to 35% strain.

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