Characterization & Testing
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Structure/Composition-Function Relationships and Active Sites
This capability focuses on revealing structure/composition-function relationships utilizing a coupling of rotating ring-disk electrode and ICP-MS techniques. Read More
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In situ and Operando Atomic, Nano-, and Micro-structure Characterization
This capability utilizes a combination of synchrotron X-ray spectroscopy, microscopy, tomography, and scattering and custom-built cells to determine the atomic structure, oxidation state, and nano- and micro-structure of catalysts, catalyst-ionomer inks, and electrodes in various environments. Read More
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Combinatorial Hydrodynamic Screening of PGM-free Catalyst Activity and Stability
This capability utilizes a multi-electrode channel flow double electrode (m-CFDE) cell and multi-channel potentiostats for combinatorial hydrodynamic screening of PGM-free catalyst activity and selectivity, as well as for detection of electrochemically-active catalyst degradation products. Read More
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Segmented Cell Hardware
High throughput in-situ testing of electrode layers with gradient component composition, component distribution, and/or layer properties as resulting from high throughput and combinatorial catalyst development requires specialized diagnostic equipment. This capability utilizes a segmented cell system allowing for the spatial observation of the natural current and voltage distribution of a fuel cell within 121 individual segments. Read More
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In situ Fluoride and Carbon Dioxide Emission Measurements
Characterization of fluoride and carbon dioxide emissions in the exhaust from operating polymer electrolyte fuel cells are crucial to determining the rates of membrane and ionomer degradation, as well as the rates of carbon corrosion in PGM-free catalysts. Read More
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Segmented Cell and Neutron Imaging
Advanced fuel cell diagnostic tools are extensively used for a number of different studies of PGM-free electrodes including mass transport optimization, water and thermal management, and flow field design and validation. Read More
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High-throughput Characterization of PGM-free Catalysts and Electrodes
Argonne’s High-Throughput Research Laboratory has analytical equipment designed to operate in concert with the robotic platforms used for synthesis of materials and using high-throughput methodology. This capability also includes combinatorial electrocatalytic activity and stability testing of high-surface-area powders and performance testing and characterization of electrodes. Read More