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Title: NixWO2.72 nanorods as an efficient electrocatalyst for oxygen evolution reaction

Journal Article · · Green Energy & Environment
 [1];  [1];  [2];  [3];  [4];  [1];  [1];  [1]
  1. Brown Univ., Providence, RI (United States). Dept. of Chemistry
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical Sciences Division
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS)
  4. Brookhaven National Lab. (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN)

NixWO2.72 nanorods (NRs) are synthesized by a one-pot reaction of Ni(acac)2 and WCl4. In the rod structure, Ni(II) intercalates in the defective perovskite-type WO2.72 and is stabilized. The NixWO2.72 NRs show the x-dependent electrocatalysis for the oxygen evolution reaction (OER) in 0.1M KOH with Ni0.78WO2.72 being the most efficient, even outperforming the commercial Ir-catalyst. Lastly, the synthesis is not limited to NixWO2.72 but can be extended to MxWO2.72 (M = Co, Fe) as well, providing a new class of oxide-based catalysts for efficient OER and other energy conversion reactions.

Research Organization:
Brookhaven National Lab. (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); US Army Research Office (ARO)
Grant/Contract Number:
SC0012704; W911NF-15-1-0147
OSTI ID:
1344225
Report Number(s):
BNL-113496-2017-JA; R&D Project: 16060; 16060
Journal Information:
Green Energy & Environment, Vol. 2, Issue 2; ISSN 2468-0257
Publisher:
Elsevier - Institute of Process Engineering, Chinese Academy of SciencesCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 12 works
Citation information provided by
Web of Science

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  • Bediako, D. Kwabena; Lassalle-Kaiser, Benedikt; Surendranath, Yogesh
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Cited By (2)

Recent progress in transition metal phosphides with enhanced electrocatalysis for hydrogen evolution journal January 2018
Nonstoichiometric tungsten oxide: structure, synthesis, and applications journal November 2019