HiSPEC Platinum 40% on Carbon - HiSPEC 4000

Brand: Johnson Matthey Fuel Cells
Product Code: 599003

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Johnson Matthey Fuel Cell's HiSPEC® catalysts consist of single and bimetallic, highly dispersed supported and unsupported catalysts used on anodes and cathodes in Polymer Electrolyte Fuel Cells (PEMFC) and Direct Methanol Fuel Cells (DMFC).  HiSPEC catalysts are highly active and are designed and manufactured to the highest quality standards for maximum performance and durability.

Suggested Applications

HiSPEC Platinum 40% on Carbon - HiSPEC 4000 is most commonly recommended for use in the Polymer Electrolyte Fuel Cell (PEMFC), Direct Methanol Fuel Cell (DMFC), Microbial Fuel Cell (MFC), and Phosphoric Acid Fuel Cell (PAFC) applications (as the cathode catalyst or anode catalyst).  It is also used as a recombination catalyst for hydrogen elimination, or as a building block for sensor elements.

The Fuel Cell Store is an authorized dealer for Alfa Aesar / Johnson Matthey products.

Catalyst Properties
Appearance Black Powder
Platinum, wt%(dry basis) 38.0 to 41.0
Ruthenium, wt% (dry basis) N/A
Platinum Atomic % (from total metal) N/A
Ruthenium Atomic % (from total metal) N/A
Tap Density after screening (typical), g/cc ~0.5
Lattice Parameter, nm N/A
Loss on Reduction, wt% N/A
Total Chloride, wt% N/A
Metal Area, Pt 60 (m2/g) Min
Moisture 2.0 Max
XRD Crystallite Size 4.5 (nm) Max
Hydrolyzable Chloride 500 Max
Total Metallic Impurities, ppm (spectroscopic emission) N/A
Impurities (ppm wt catalyst) 500 total max

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