The DOI matches its Crossref record; 14 of the 14 references it cites were found in a registry or an index.
Oxygen Reduction Reaction Performance of [MTBD][beti]‐Encapsulated Nanoporous NiPt Alloy Nanoparticles
Abstract
Recent advances in oxygen reduction reaction catalysis for proton exchange membrane fuel cells (PEMFCs) include i) the use of electrochemical dealloying to produce high surface area and sometimes nanoporous catalysts with a Pt‐enriched outer surface, and ii) the observation that oxygen reduction in nanoporous materials can be potentially enhanced by confinement effects, particularly if the chemical environment within the pores can bias the reaction toward completion. Here, these advances are combined by incorporating a hydrophobic, protic ionic liquid, [MTBD][beti], into the pores of high surface‐area NiPt alloy nanoporous nanoparticles (np‐NiPt/C + [MTBD][beti]). The high O 2 solubility of the [MTBD][beti], in conjunction with the confined environment within the pores, biases reactant O 2 toward the catalytic surface, consistent with an increased residence time and enhanced attempt frequencies, resulting in improved reaction kinetics. Half‐cell measurements show the np‐NiPt/C+[MTBD][beti] encapsulated catalyst to be nearly an order of magnitude more active than commercial Pt/C, a result that is directly translated into operational PEMFCs.
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Cites
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Cited by
Recent Advances in Electrocatalysts for Oxygen Reduction Reaction
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Highly Crystalline Multimetallic Nanoframes with Three-Dimensional Electrocatalytic Surfaces
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Self-citationRecent advancements in Pt and Pt-free catalysts for oxygen reduction reaction
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Metadata
- Authors
- Snyder, J., Livi, K., & Erlebacher, J.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2013-06-12
- Volume
- 23
- Issue
- 44
- Pages
- 5494-5501
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2019247383
- Cited by
- 199
- References
- 14
- FWCI
- 4.21
- Type
- journal article
- Language
- en
- Open access
- closed
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