XT Ruthenium Black Grade Q catalyst manufactured by Fuel Cells ETC is a fine powder that can be used as an electrocatalyst in electrochemical devices and as a heterogeneous catalyst for the synthesis of various organics, such as:

Hydrogen Evolution Reaction (HER) in alkaline electrolyzers
Neutral pH HER systems
AEM electrolyzer cathodes
Seawater electrolysis cathodes
Small molecule oxidation electrodes
Fuel reformate cleanup catalyst surfaces
Zinc-air battery air cathodes
Rechargeable metal-air catalysts
Lithium-air oxygen electrodes
Li-S battery sulfur conversion catalyst
Supercapacitor pseudocapacitive additive
Hybrid capacitor electrodes
Redox flow battery kinetic promoter
CO₂ electroreduction catalysts
Nitrate reduction to ammonia
Nitrite destruction
Electro-oxidation of wastewater organics
Hydrogen peroxide electrogeneration
Chlorine evolution / chlor-alkali related electrodes
Electrochemical ozone / oxidant generation
Hydrogen gas sensors
Glucose sensors
Biosensor electrodes
Dissolved oxygen sensors
Catalytic gas sensors
Microelectrode coatings
Alkene hydrogenation
Alkyne hydrogenation
Nitrobenzene to aniline
Ketone to alcohol hydrogenation
Aldehyde hydrogenation
Aromatic ring saturation
Nitrile hydrogenation to amines
Alcohol oxidation to aldehydes
Alcohol oxidation to ketones
Acceptorless alcohol dehydrogenation
Amine oxidation to imines
Cellulose hydrogenolysis
Sorbitol upgrading
HMF hydrogenation / upgrading
Biomass polyol conversion
Ammonia decomposition to H₂
Methanation (CO/CO₂ + H₂)
VOC oxidation
Steam reforming promoter uses
Hydrogen purification recombination catalysts
and many other electrochemical and non-electrochemical end use cases

This product has a BET surface area of ~70-100 m²/gram. The average crystallite size for Ag nanoparticles is calculated as ~8.77 nm for this product. The average particle size for this supported catalyst material is ~22.73 microns.

XT Ruthenium Black Grade Q Technical Specification Sheet

FCE Catalyst Properties
Appearance	Dark gray to black metallic powder
Molecular Formula	Ru
Molecular Weight	101.07 g/mol
Purity	> 99.9% (3N)
Particle Morphology	Irregular/rough-metallic grains
Average Particle Size	~22.73 µm (D₅₀, Laser Diffraction)
Particle Size Range	0 - 100 microns (measured with laser diffraction method)
BET Surface Area	~70 - 100 m2/gram
Bulk Density	~2.5 - 4 g cm⁻³
Color	Grey-black metallic
Structure	Hexagonal close-packed Ru metal
Database Reference	COD Card No. (8104268); JCPDS No. (006-0663)
Space Group	P6₃/mmc
Secondary Phases	None detected (via PXRD)
Instrument for Powder XRD	Instrument: Rigaku MiniFlex 300/600 Cu-Kα radiation (λ = 1.5406 Å \| scan rate: 0.5°/min \| step size: 0.02°(2θ), 2θ range: 10–80° \| optics: Monochromator
Instrument for BET Surface Area Analysis	Anton Paar QuantaChrome NOVA
Adsorption Gas for BET Surface Area Analysis	N₂, Bath temperature: 77.3 K
Instrument for Particle Size Distribution (Laser Diffraction)	Beckman Coulter LS 13 320
Medium/Fluid for Particle Size Distribution	18 Megaohm DI-Water
Particle Size at D10	~7.79 µm (measured with laser diffraction method)
Particle Size at D25	~14.13 µm (measured with laser diffraction method)
Particle Size at D50	~22.73 µm (measured with laser diffraction method)
Particle Size at D75	~33.33 µm (measured with laser diffraction method)
Particle Size at D90	~43.20 µm (measured with laser diffraction method)