Flexible, silver nanowire network nickel hydroxide core-shell electrodes for supercapacitors

Date

2016-10-01

Author

YUKSEL, Recep
Coskun, Sahin
Kalay, Yunus Eren
Ünalan, Hüsnü Emrah

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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We present a novel one-dimensional coaxial architecture composed of silver nanowire (Ag NW) network core and nickel hydroxide (Ni(OH)(2)) shell for the realization of coaxial nanocomposite electrode materials for supercapacitors. Ag NWs are formed conductive networks via spray coating onto polyethylene terephthalate (PET) substrates and Ni(OH)(2) is gradually electrodeposited onto the Ag NW network to fabricate core-shell electrodes for supercapacitors. Synergy of highly conductive Ag NWs and high capacitive Ni(OH)(2) facilitate ion and electron transport, enhance electrochemical properties and result in a specific capacitance of 1165.2 F g(-1) at a current density of 3 A g(-1). After 3000 cycles, fabricated nanocomposite electrodes show 93% capacity retention. The rational design explored in this study points out the potential of nanowire based coaxial energy storage devices.

Subject Keywords

Silver nanowires, Nickel hydroxide, Pseudocapacitor, Supercapacitors, Electrodeposition

URI

https://hdl.handle.net/11511/40752

Collections

Department of Metallurgical and Materials Engineering, Article