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Title: ZIF 67 Based Highly Active Electrocatalysts as Oxygen Electrodes in Water Electrolyzer

Journal Article · · ACS Applied Energy Materials
 [1];  [2];  [1];  [1]; ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [1]; ORCiD logo [1]
  1. National Renewable Energy Laboratory (NREL), Golden, CO (United States)
  2. Colorado School of Mines, Golden, CO (United States)
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Mitigating high overpotential losses originating from the sluggish oxygen evolution reaction (OER) during water electrolysis is key to establishing a sustainable hydrogen generation technique. In this article, we report a Co-imidazolate framework (ZIF 67) as an OER catalyst that exhibits high activity in both a three electrode cell and an electrolyzer. Additionally, Fe, Ni, and Zn have been incorporated into ZIF 67 to evaluate their effects on the OER activity of ZIF 67. Due to the high charge conductivity of ZIF 67, none of the reported catalyst was carbonized at high temperature, a process that is generally accompanied by significant mass loss. Finally, in addition to being highly active, these catalysts are scalable which makes them promising candidates for application in commercial power markets.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Sustainable Transportation Office. Hydrogen Fuel Cell Technologies Office (HFTO); USDOE National Renewable Energy Laboratory (NREL), Laboratory Directed Research and Development (LDRD) Program
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
1544535
Report Number(s):
NREL/JA-5900-74149; MainId:16534; UUID:6020f413-bc8b-e911-9c24-ac162d87dfe5; MainAdminID:5012
Journal Information:
ACS Applied Energy Materials, Vol. 2, Issue 8; ISSN 2574-0962
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 30 works
Citation information provided by
Web of Science

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Figures / Tables (9)

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25 ENERGY STORAGE
30 DIRECT ENERGY CONVERSION
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
oxygen evolution reaction
metal organic framework
ZIF 67
AEM electrolysis
non-precious-metal catalyst