Ultrathin Nanotube/Nanowire Electrodes by Spin-Spray Layer-by-Layer Assembly: A Concept for Transparent Energy Storage

Forrest S. Gittleson, Daniel Hwang, Won Hee Ryu, Sara M. Hashmi, Jonathan Hwang, Tenghooi Goh, Andre Taylor

Research output: Contribution to journalArticle

Abstract

Fully integrated transparent devices require versatile architectures for energy storage, yet typical battery electrodes are thick (20-100 μm) and composed of optically absorbent materials. Reducing the length scale of active materials, assembling them with a controllable method and minimizing electrode thickness should bring transparent batteries closer to reality. In this work, the rapid and controllable spin-spray layer-by-layer (SSLbL) method is used to generate high quality networks of 1D nanomaterials: single-walled carbon nanotubes (SWNT) and vanadium pentoxide (V2O5) nanowires for anode and cathode electrodes, respectively. These ultrathin films, deposited with 2 nm/bilayer precision are transparent when deposited on a transparent substrate (>87% transmittance) and electrochemically active in Li-ion cells. SSLbL-assembled ultrathin SWNT anodes and V2O5 cathodes exhibit reversible lithiation capacities of 23 and 7 μAh/cm2, respectively at a current density of 5 μA/cm2. When these electrodes are combined in a full cell, they retain 5 μAh/cm2 capacity over 100 cycles, equivalent to the prelithiation capacity of the limiting V2O5 cathode. The SSLbL technique employed here to generate functional thin films is uniquely suited to the generation of transparent electrodes and offers a compelling path to realize the potential of fully integrated transparent devices.

Original languageEnglish (US)
Pages (from-to)10005-10017
Number of pages13
JournalACS Nano
Volume9
Issue number10
DOIs
StatePublished - Oct 27 2015

Fingerprint

energy storage
Energy storage
Nanotubes
Nanowires
sprayers
nanotubes
nanowires
assembly
Electrodes
electrodes
Cathodes
Single-walled carbon nanotubes (SWCN)
cathodes
Anodes
electric batteries
anodes
carbon nanotubes
Ultrathin films
Nanostructured materials
Vanadium

Keywords

  • carbon nanotube
  • lithium-ion battery
  • multilayer
  • translucent
  • vanadium pentoxide

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Gittleson, F. S., Hwang, D., Ryu, W. H., Hashmi, S. M., Hwang, J., Goh, T., & Taylor, A. (2015). Ultrathin Nanotube/Nanowire Electrodes by Spin-Spray Layer-by-Layer Assembly: A Concept for Transparent Energy Storage. ACS Nano, 9(10), 10005-10017. https://doi.org/10.1021/acsnano.5b03578

Ultrathin Nanotube/Nanowire Electrodes by Spin-Spray Layer-by-Layer Assembly : A Concept for Transparent Energy Storage. / Gittleson, Forrest S.; Hwang, Daniel; Ryu, Won Hee; Hashmi, Sara M.; Hwang, Jonathan; Goh, Tenghooi; Taylor, Andre.

In: ACS Nano, Vol. 9, No. 10, 27.10.2015, p. 10005-10017.

Research output: Contribution to journalArticle

Gittleson, FS, Hwang, D, Ryu, WH, Hashmi, SM, Hwang, J, Goh, T & Taylor, A 2015, 'Ultrathin Nanotube/Nanowire Electrodes by Spin-Spray Layer-by-Layer Assembly: A Concept for Transparent Energy Storage', ACS Nano, vol. 9, no. 10, pp. 10005-10017. https://doi.org/10.1021/acsnano.5b03578
Gittleson, Forrest S. ; Hwang, Daniel ; Ryu, Won Hee ; Hashmi, Sara M. ; Hwang, Jonathan ; Goh, Tenghooi ; Taylor, Andre. / Ultrathin Nanotube/Nanowire Electrodes by Spin-Spray Layer-by-Layer Assembly : A Concept for Transparent Energy Storage. In: ACS Nano. 2015 ; Vol. 9, No. 10. pp. 10005-10017.
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