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Hydrogenated ZnO Core–Shell Nanocables for Flexible Supercapacitors and Self-Powered Systems
Abstract
Although MnO2 is a promising material for supercapacitors (SCs) due to its excellent electrochemical performance and natural abundance, its wide application is limited by poor electrical conductivity. Inspired by our results that the electrochemical activity and electrical conductivity of ZnO nanowires were greatly improved after hydrogenation, we designed and fabricated hydrogenated single-crystal ZnO@amorphous ZnO-doped MnO2 core-shell nanocables (HZM) on carbon cloth as SC electrodes, showing excellent performance such as areal capacitance of 138.7 mF/cm(2) and specific capacitance of 1260.9 F/g. Highly flexible all-solid-state SCs were subsequently assembled with these novel HZM electrodes using polyvinyl alcohol/LiCl electrolyte. The working devices achieved very high total areal capacitance of 26 mF/cm(2) and retained 87.5% of the original capacitance even after 10 000 charge/discharge cycles. An integrated power pack incorporating series-wound SCs and dye-sensitized solar cells was demonstrated for stand-alone self-powered systems.
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Cited by
Pu, X., Li, L., Liu, M., Jiang, C., Du, C., Zhao, Z., Hu, W., & Wang, Z. L. (2016) · Advanced Materials · doi:10.1002/adma.201504403 · Cited by 820
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Khan, M., Tahir, M. N., Adil, S. F., Khan, H. U., Siddiqui, M. R. H., Al-warthan, A. A., & Tremel, W. (2015) · Journal of Materials Chemistry A · doi:10.1039/c5ta02240a · Cited by 709
A review on ZnO nanostructured materials: energy, environmental and biological applications
Theerthagiri, J., Salla, S., Senthil, R. A., Nithyadharseni, P., Madankumar, A., Arunachalam, P., Maiyalagan, T., & Kim, H.-S. (2019) · Nanotechnology · doi:10.1088/1361-6528/ab268a · Cited by 530
New-generation integrated devices based on dye-sensitized and perovskite solar cells
Yun, S., Qin, Y., Uhl, A. R., Vlachopoulos, N., Yin, M., Li, D., Han, X., & Hagfeldt, A. (2018) · Energy & Environmental Science · doi:10.1039/c7ee03165c · Cited by 478
Dong, Y., Zhang, S., Du, X., Hong, S., Zhao, S., Chen, Y., Chen, X., & Song, H. (2019) · Advanced Functional Materials · doi:10.1002/adfm.201901127 · Cited by 394
Sun, G., Zhang, X., Lin, R., Yang, J., Zhang, H., & Chen, P. (2015) · Angewandte Chemie International Edition · doi:10.1002/anie.201411533 · Cited by 355
Gao, Z., Yang, W., Wang, J., Song, N., & Li, X. (2015) · Nano Energy · doi:10.1016/j.nanoen.2015.02.036 · Cited by 337
Liu, S., Kang, L., Zhang, J., Jung, E., Lee, S., & Jun, S. C. (2020) · Energy Storage Materials · doi:10.1016/j.ensm.2020.07.017 · Cited by 325
Nanoforest of hierarchical Co3O4@NiCo2O4 nanowire arrays for high-performance supercapacitors
Zhang, G., Wang, T., Yu, X., Zhang, H., Duan, H., & Lu, B. (2013) · Nano Energy · doi:10.1016/j.nanoen.2013.07.008 · Cited by 294
Metadata
- Authors
- Yang, P., Xiao, X., Li, Y., Ding, Y., Qiang, P., Tan, X., Mai, W., Lin, Z., Wu, W., Li, T., Jin, H., Liu, P., Zhou, J., Wong, C. P., & Wang, Z. L.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-02-07
- Volume
- 7
- Issue
- 3
- Pages
- 2617-2626
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2105401285
- Cited by
- 831
- References
- 0
- FWCI
- 41.20
- Type
- journal article
- Language
- en
- Open access
- closed
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