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One-Dimensional RuO2/Mn2O3 Hollow Architectures as Efficient Bifunctional Catalysts for Lithium–Oxygen Batteries
Abstract
Rational design and massive production of bifunctional catalysts with fast oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) kinetics are critical to the realization of highly efficient lithium-oxygen (Li-O2) batteries. Here, we first exploit two types of double-walled RuO2 and Mn2O3 composite fibers, i.e., (i) phase separated RuO2/Mn2O3 fiber-in-tube (RM-FIT) and (ii) multicomposite RuO2/Mn2O3 tube-in-tube (RM-TIT), by controlling ramping rate during electrospinning process. Both RM-FIT and RM-TIT exhibited excellent bifunctional electrocatalytic activities in alkaline media. The air electrodes using RM-FIT and RM-TIT showed enhanced overpotential characteristics and stable cyclability over 100 cycles in the Li-O2 cells, demonstrating high potential as efficient OER and ORR catalysts.
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Citations
Cited by
Huang, Z., Wang, J., Peng, Y., Jung, C., Fisher, A., & Wang, X. (2017) · Advanced Energy Materials · doi:10.1002/aenm.201700544 · Cited by 835
Recent Advances and Prospective in Ruthenium-Based Materials for Electrochemical Water Splitting
Yu, J., He, Q., Yang, G., Zhou, W., Shao, Z., & Ni, M. (2019) · ACS Catalysis · doi:10.1021/acscatal.9b02457 · Cited by 789
Intricate Hollow Structures: Controlled Synthesis and Applications in Energy Storage and Conversion
Zhou, L., Zhuang, Z., Zhao, H., Lin, M., Zhao, D., & Mai, L. (2017) · Advanced Materials · doi:10.1002/adma.201602914 · Cited by 620
Zhang, G., Xiao, X., Li, B., Gu, P., Xue, H., & Pang, H. (2017) · Journal of Materials Chemistry A · doi:10.1039/c7ta02454a · Cited by 458
Transition-metal-oxide-based catalysts for the oxygen reduction reaction
Wang, Y., Li, J., & Wei, Z. (2018) · Journal of Materials Chemistry A · doi:10.1039/c8ta01321g · Cited by 351
Metadata
- Authors
- Yoon, K. R., Lee, G. Y., Jung, J.-W., Kim, N.-H., Kim, S. O., & Kim, I.-D.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-02-02
- Volume
- 16
- Issue
- 3
- Pages
- 2076-2083
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2267964584
- Cited by
- 208
- References
- 0
- FWCI
- 10.64
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yoon, K. R., Lee, G. Y., Jung, J.-W., Kim, N.-H., Kim, S. O., & Kim, I.-D. (2016). One-Dimensional RuO2/Mn2O3 Hollow Architectures as Efficient Bifunctional Catalysts for Lithium–Oxygen Batteries. Nano Letters. https://doi.org/10.1021/acs.nanolett.6b00185
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