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Robust and High-Performance Electrodes via Crumpled Au-CNT Forests for Stretchable Supercapacitors

Publication ,  Journal Article
Zhou, Y; Cao, C; Cao, Y; Han, Q; Parker, CB; Glass, JT
Published in: Matter
May 6, 2020

Stretchable supercapacitors based on vertically aligned nanotubes or nanowires have attracted considerable attention because of their improved robustness and electrochemical performance under large and repeated deformations. Here, we demonstrate a robust and high-performance stretchable electrode based on crumpled Au-coated carbon nanotube forest (Au-CNT forest). Experimental measurements show that the resistance of the Au-CNT forest electrode is around one order magnitude lower than that of a pure CNT forest electrode. The biaxially crumpled Au-CNT forest electrode demonstrates nearly identical electrochemical performance at different measured charge/discharge rates under different strain conditions (i.e., from 0% to 800% area strain). The as-prepared symmetric supercapacitor demonstrates a maximum specific capacitance of ∼6 mF cm−2 at the current density of 40 mA cm−2 under large strains, exhibiting superior mechanical and electrochemical stability. This research presents a facile process to fabricate highly stretchable supercapacitors based on vertically aligned nanotubes or nanowires for achieving exceptional and robust electrochemical performance.

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Published In

Matter

DOI

EISSN

2590-2385

ISSN

2590-2393

Publication Date

May 6, 2020

Volume

2

Issue

5

Start / End Page

1307 / 1323

Related Subject Headings

  • 4018 Nanotechnology
  • 4016 Materials engineering
  • 3403 Macromolecular and materials chemistry
 

Citation

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Zhou, Y., Cao, C., Cao, Y., Han, Q., Parker, C. B., & Glass, J. T. (2020). Robust and High-Performance Electrodes via Crumpled Au-CNT Forests for Stretchable Supercapacitors. Matter, 2(5), 1307–1323. https://doi.org/10.1016/j.matt.2020.02.024
Zhou, Y., C. Cao, Y. Cao, Q. Han, C. B. Parker, and J. T. Glass. “Robust and High-Performance Electrodes via Crumpled Au-CNT Forests for Stretchable Supercapacitors.” Matter 2, no. 5 (May 6, 2020): 1307–23. https://doi.org/10.1016/j.matt.2020.02.024.
Zhou Y, Cao C, Cao Y, Han Q, Parker CB, Glass JT. Robust and High-Performance Electrodes via Crumpled Au-CNT Forests for Stretchable Supercapacitors. Matter. 2020 May 6;2(5):1307–23.
Zhou, Y., et al. “Robust and High-Performance Electrodes via Crumpled Au-CNT Forests for Stretchable Supercapacitors.” Matter, vol. 2, no. 5, May 2020, pp. 1307–23. Scopus, doi:10.1016/j.matt.2020.02.024.
Zhou Y, Cao C, Cao Y, Han Q, Parker CB, Glass JT. Robust and High-Performance Electrodes via Crumpled Au-CNT Forests for Stretchable Supercapacitors. Matter. 2020 May 6;2(5):1307–1323.
Journal cover image

Published In

Matter

DOI

EISSN

2590-2385

ISSN

2590-2393

Publication Date

May 6, 2020

Volume

2

Issue

5

Start / End Page

1307 / 1323

Related Subject Headings

  • 4018 Nanotechnology
  • 4016 Materials engineering
  • 3403 Macromolecular and materials chemistry