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Materializing efficient methanol oxidation via electron delocalization in nickel hydroxide nanoribbon
Open accessAbstract
Achieving a functional and durable non-platinum group metal-based methanol oxidation catalyst is critical for a cost-effective direct methanol fuel cell. While Ni(OH)2 has been widely studied as methanol oxidation catalyst, the initial process of oxidizing Ni(OH)2 to NiOOH requires a high potential of 1.35 V vs. RHE. Such potential would be impractical since the theoretical potential of the cathodic oxygen reduction reaction is at 1.23 V. Here we show that a four-coordinated nickel atom is able to form charge-transfer orbitals through delocalization of electrons near the Fermi energy level. As such, our previously reported periodically arranged four-six-coordinated nickel hydroxide nanoribbon structure (NR-Ni(OH)2) is able to show remarkable methanol oxidation activity with an onset potential of 0.55 V vs. RHE and suggests the operability in direct methanol fuel cell configuration. Thus, this strategy offers a gateway towards the development of high performance and durable non-platinum direct methanol fuel cell.
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Cited by
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Li, H., Lai, J., Li, Z., & Wang, L. (2021) · Advanced Functional Materials · doi:10.1002/adfm.202106715 · Cited by 494
Qi, Y., Zhang, Y., Yang, L., Zhao, Y., Zhu, Y., Jiang, H., & Li, C. (2022) · Nature Communications · doi:10.1038/s41467-022-32443-5 · Cited by 490
Zhong, H., Zhang, Q., Yu, J., Zhang, X., Wu, C., Ma, Y., An, H., Wang, H., Zhang, J., Wang, X., et al. (2023) · Advanced Energy Materials · doi:10.1002/aenm.202301391 · Cited by 386
Self-citationZhu, J., Xia, L., Yu, R., Lu, R., Li, J., He, R., Wu, Y., Zhang, W., Hong, X., Chen, W., et al. (2022) · Journal of the American Chemical Society · doi:10.1021/jacs.2c03982 · Cited by 384
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Metadata
- Authors
- Wang, X., Xi, S., Lee, W. S. V., Huang, P., Cui, P., Zhao, L., Hao, W., Zhao, X., Wang, Z., Wu, H., Wang, H., Diao, C., Borgna, A., Du, Y., Yu, Z. G., Pennycook, S., & Xue, J.
- Venue
- Nature Communications
- Published
- 2020-09-16
- Volume
- 11
- Issue
- 1
- Pages
- 4647-4647
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W3087490316
- Cited by
- 232
- References
- 0
- FWCI
- 5.64
- Type
- journal article
- Language
- en
- Open access
- gold
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- Wang, X., Xi, S., Lee, W. S. V., Huang, P., Cui, P., Zhao, L., Hao, W., Zhao, X., Wang, Z., Wu, H., Wang, H., Diao, C., Borgna, A., Du, Y., Yu, Z. G., Pennycook, S., & Xue, J. (2020). Materializing efficient methanol oxidation via electron delocalization in nickel hydroxide nanoribbon. Nature Communications. https://doi.org/10.1038/s41467-020-18459-9
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