Materializing efficient methanol oxidation via electron delocalization in nickel hydroxide nanoribbon

Xiaopeng Wang, Shibo Xi, Wee Siang Vincent Lee, Pengru Huang, Peng Cui, Lei Zhao, Weichang Hao, Xinsheng Zhao, Zhenbo Wang, Haijun Wu, Hao Wang, Caozheng Diao, Armando Borgna, Yonghua Du (), Zhi Gen Yu (), Stephen Pennycook () and Junmin Xue ()
Additional contact information
Xiaopeng Wang: National University of Singapore
Shibo Xi: Agency for Science, Technology and Research
Wee Siang Vincent Lee: National University of Singapore
Pengru Huang: National University of Singapore
Peng Cui: Jiangsu Normal University
Lei Zhao: Harbin Institute of Technology
Weichang Hao: Beihang University
Xinsheng Zhao: Jiangsu Normal University
Zhenbo Wang: Harbin Institute of Technology
Haijun Wu: National University of Singapore
Hao Wang: National University of Singapore
Caozheng Diao: National University of Singapore
Armando Borgna: Agency for Science, Technology and Research
Yonghua Du: Brookhaven National Laboratory
Zhi Gen Yu: Agency for Science, Technology and Research
Stephen Pennycook: National University of Singapore
Junmin Xue: National University of Singapore

Nature Communications, 2020, vol. 11, issue 1, 1-9

Abstract: Abstract 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.

Date: 2020
References: Add references at CitEc
Citations: View citations in EconPapers (2)

Downloads: (external link)
https://www.nature.com/articles/s41467-020-18459-9 Abstract (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-18459-9

Ordering information: This journal article can be ordered from
https://www.nature.com/ncomms/

DOI: 10.1038/s41467-020-18459-9

Access Statistics for this article

Nature Communications is currently edited by Nathalie Le Bot, Enda Bergin and Fiona Gillespie

More articles in Nature Communications from Nature
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().