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Electrospun Thin-Walled CuCo2O4@C Nanotubes as Bifunctional Oxygen Electrocatalysts for Rechargeable Zn–Air Batteries
Abstract
Rational design of optimal bifunctional oxygen electrocatalyst with low cost and high activity is greatly desired for realization of rechargeable Zn–air batteries. Herein, we fabricate mesoporous thin-walled CuCo 2 O 4 @C with abundant nitrogen-doped nanotubes via coaxial electrospinning technique. Benefiting from high catalytic activity of ultrasmall CuCo 2 O 4 particles, double active specific surface area of mesoporous nanotubes, and strong coupling with N-doped carbon matrix, the obtained CuCo 2 O 4 @C exhibits outstanding oxygen electrocatalytic activity and stability, in terms of a positive onset potential (0.951 V) for oxygen reduction reaction (ORR) and a low overpotential (327 mV at 10 mA cm –2 ) for oxygen evolution reaction (OER). Significantly, when used as cathode catalyst for Zn-air batteries, CuCo 2 O 4 @C also displays a low charge–discharge voltage gap (0.79 V at 10 mA cm –2 ) and a long cycling life (up to 160 cycles for 80 h). With desirable architecture and excellent electrocatalytic properties, the CuCo 2 O 4 @C is considered a promising electrocatalyst for Zn–air batteries.
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Citations
Cites
Cheng, H., Li, M., Su, C., Li, N., & Liu, Z. (2017) · Advanced Functional Materials · doi:10.1002/adfm.201701833 · Cited by 384
Cited by
Rechargeable Batteries for Grid Scale Energy Storage
Zhu, Z., Jiang, T., Ali, M., Meng, Y., Jin, Y., Cui, Y., & Chen, W. (2022) · Chemical Reviews · doi:10.1021/acs.chemrev.2c00289 · Cited by 1,769
Multifunctional Transition Metal‐Based Phosphides in Energy‐Related Electrocatalysis
Li, Y., Dong, Z., & Jiao, L. (2020) · Advanced Energy Materials · doi:10.1002/aenm.201902104 · Cited by 603
Self-citationFang, G., Wang, Q., Zhou, J., Lei, Y., Chen, Z., Wang, Z., Pan, A., & Liang, S. (2019) · ACS Nano · doi:10.1021/acsnano.9b00816 · Cited by 507
Aqueous metal-air batteries: Fundamentals and applications
Liu, Q., Pan, Z., Wang, E., An, L., & Sun, G. (2020) · Energy Storage Materials · doi:10.1016/j.ensm.2019.12.011 · Cited by 417
Recent Advances in Non‐Noble Bifunctional Oxygen Electrocatalysts toward Large‐Scale Production
Zeng, K., Zheng, X., Li, C., Yan, J., Tian, J., Jin, C., Strasser, P., & Yang, R. (2020) · Advanced Functional Materials · doi:10.1002/adfm.202000503 · Cited by 365
Metadata
- Authors
- Wang, X., Li, Y., Jin, T., Meng, J., Jiao, L., Zhu, M., & Chen, J.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-11-29
- Volume
- 17
- Issue
- 12
- Pages
- 7989-7994
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2768945342
- Cited by
- 226
- References
- 1
- FWCI
- 8.11
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, X., Li, Y., Jin, T., Meng, J., Jiao, L., Zhu, M., & Chen, J. (2017). Electrospun Thin-Walled CuCo2O4@C Nanotubes as Bifunctional Oxygen Electrocatalysts for Rechargeable Zn–Air Batteries. Nano Letters. https://doi.org/10.1021/acs.nanolett.7b04502
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