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Journal article
Sequential Capacitive Deposition of Ionic Liquids for Conformal Thin Film Coatings on Oxygen Reduction Reaction Electrocatalysts
ACS catalysis, v 9(10), pp 9311-9316
01 Oct 2019
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Ionic liquid (IL)-modified carbon-supported catalysts have demonstrated significant improvements in oxygen reduction reaction (ORR) activity. However, transition of this result from the half-cell to the proton exchange membrane fuel cell (PEMFC) has been challenging. Presented here is a processing methodology that yields the formation of a thin (<2 nm) conformal IL coating on the surface of both three-dimensional electrocatalysts and bulk single crystals through the sequential capacitive deposition (SCD) of anionic and cationic components and their subsequent condensation into a hydrophobic, protic IL. SCD shows promise for IL incorporation into preformed PEMFC catalyst layers.
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Details
- Title
- Sequential Capacitive Deposition of Ionic Liquids for Conformal Thin Film Coatings on Oxygen Reduction Reaction Electrocatalysts
- Creators
- Yawei Li - Drexel UniversityJames Hart - Drexel UniversityLauren Profit - Temple Univ, Dept Chem, Philadelphia, PA 19122 USASaad Intikhab - Drexel UniversitySwarnendu Chatterjee - Drexel UniversityMitra Taheri - Drexel UniversityJoshua Snyder - Drexel UniversityGeneral Motors LLC, Detroit, MI (United States)
- Publication Details
- ACS catalysis, v 9(10), pp 9311-9316
- Publisher
- American Chemical Society; Washington, DC
- Number of pages
- 11
- Grant note
- DE-EE0007271 / Department of Energy, Office of Energy Efficiency and Renewable Energy; United States Department of Energy (DOE)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Chemical and Biological Engineering
- Web of Science ID
- WOS:000489204000055
- Scopus ID
- 2-s2.0-85072919269
- Other Identifier
- 991019168739104721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Chemistry, Physical