{"title":"Iridium Catalysts","description":"\u003cp\u003eXT iridium catalysts include unsupported oxides for the oxygen evolution reaction in PEM water electrolyzers, plus carbon-supported iridium and platinum–iridium powders. Carbon is not stable at a PEM electrolyzer anode, so the oxides are supplied without a carbon support.\u003c\/p\u003e\n\u003cp\u003eIridium oxide is used for the anode of PEM water electrolysis, where the electrolyte is acidic and strongly oxidizing. XT Iridium Ruthenium Oxide (IrRuOx) puts iridium and ruthenium in one mixed oxide, which lowers the share of iridium in the powder. It is not ruthenium-supported iridium, and it is not a mixture of separate iridium oxide and ruthenium oxide powders.\u003c\/p\u003e\n\u003cp\u003eThese catalysts are used at the anode of PEM water electrolyzers. They can also be used as the oxygen-evolution anode in a CO₂ electrolysis cell. The CO₂ reduction catalyst is on the cathode and is selected separately. Both are available as powders for inks and electrode development, and both can be coated into catalyst-coated membranes, electrodes, and membrane electrode assemblies.\u003c\/p\u003e","products":[{"product_id":"iridium-oxide-high-surface-area-and-high-performance-3161610","title":"XT Iridium Oxide Grade S","description":"\u003cp\u003eProton exchange membrane (PEM) electrolyzer devices and applications need high surface area and high performance oxygen evolution reaction (OER) electrocatalysts in order to operate efficiently or have lower power consumption during their operation. Iridium oxide nanopowder manufactured by Fuel Cells Etc has the following properties:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh BET surface area: ~110-130 m2\/gram,\u003c\/li\u003e\n\u003cli\u003eNanopowder form for small particle size: Crystallite sizes in the range of 3-6 nanometers,\u003c\/li\u003e\n\u003cli\u003eHigh electrical conductivity,\u003c\/li\u003e\n\u003cli\u003eSuperior OER performance compared to other IrO2 (or IrOx) products in the market,\u003c\/li\u003e\n\u003cli\u003eCommercially pure IrOx composition\u003c\/li\u003e\n\u003cli\u003eLong operational lifetime: \u0026gt;20,000 hours under standard PEM electrolysis operating conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest Iridium Oxide Grade S Technical Specification Sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Fuel Cells Etc","offers":[{"title":"1","offer_id":49732620386563,"sku":"11080001","price":398.0,"currency_code":"USD","in_stock":true},{"title":"5","offer_id":49732620419331,"sku":"11080002","price":1705.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/6524\/3907\/files\/iridium-fuel-cell-catalyst.jpg?v=1790704741"},{"product_id":"fce-40ptir-11-vulcanxc72r","title":"XT 40% Platinum Iridium (1:1 Atomic Ratio) on Vulcan XC-72R Grade S","description":"\u003cp\u003eThe XT 40% Platinum Iridium (1:1 Atomic Ratio) on Vulcan XC-72R 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 the following examples:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAs the anode and cathode electrocatalysts for proton exchange membrane (PEM) fuel cells that are investigating the impact of alloying of Platinum with other metals\u003c\/li\u003e\n\u003cli\u003eAs the cathode electrocatalyst for proton exchange membrane (PEM) electrolyzers\u003c\/li\u003e\n\u003cli\u003eAs the anode and cathode electrocatalysts for alkaline fuel cells (AEM-based or liquid alkaline electrolyte-based)\u003c\/li\u003e\n\u003cli\u003eAs the anode electrocatalyst for direct ethanol fuel cells (DEFCs)\u003c\/li\u003e\n\u003cli\u003eAs the anode electrocatalyst for direct methanol fuel cells (DMFCs)\u003c\/li\u003e\n\u003cli\u003eAs the cathode electrocatalyst for PEM fuel cells with improved start\/stop durability\u003c\/li\u003e\n\u003cli\u003eElectrochemical sensors for H2O2 detection\u003c\/li\u003e\n\u003cli\u003eCO-tolerant electrodes\u003c\/li\u003e\n\u003cli\u003eDirect ammonia fuel cells\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis product has a BET surface area of ~100-120 m2\/gram. The average crystallite size for PtIr nanoparticles is calculated as ~1.62 nm for this product. The average particle size for this supported catalyst material was measured as ~11.2 microns.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest 40% Platinum Iridium on Vulcan XC-72R Grade S Technical Specification Sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Fuel Cells Etc","offers":[{"title":"1","offer_id":49732621107459,"sku":"11080027","price":360.0,"currency_code":"USD","in_stock":true},{"title":"5","offer_id":49732621140227,"sku":"11080028","price":1540.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/6524\/3907\/files\/platinum-vulcan-carbon-fuel-cell-catalyst-500x500.jpg?v=1791409510"},{"product_id":"xt-ir-5-xc-72r-grade-t","title":"XT 5% Iridium on Vulcan XC-72R Grade T","description":"\u003cp\u003eThe XT 5% Iridium on Vulcan XC-72R Grade T 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:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFormic Acid Oxidation: As the anode catalyst in direct formic acid fuel cells\u003c\/li\u003e\n\u003cli\u003eMethanol \u0026amp; Ethanol Oxidation: As the anode catalyst in direct alcohol fuel cells\u003c\/li\u003e\n\u003cli\u003eHydrogen Oxidation Reaction: As the anode catalyst in alkaline fuel cells\u003c\/li\u003e\n\u003cli\u003eChemoselective Hydrogenation of Nitroarenes: Reduction of chloro-nitroarenes or dinitrotoluene to amines while preserving halides or other groups\u003c\/li\u003e\n\u003cli\u003eHydrogenation of Quinoline and Heteroaromatics: Effective for ring hydrogenation in pharmaceutical intermediates\u003c\/li\u003e\n\u003cli\u003eTransfer Hydrogenation: Using donors like isopropanol or formic acid for selective reduction of carbonyls, imines, or other groups in organic synthesis\u003c\/li\u003e\n\u003cli\u003eDeuteration \u0026amp; Hydrogen Isotope Exchange: C-H activation for selective deuterium labeling of pharmaceuticals and organics using D₂O or other sources\u003c\/li\u003e\n\u003cli\u003eSelective Hydrogenation of Unsaturated Compounds: Alkenes, alkynes, or α,β-unsaturated carbonyls with good control over over-reduction\u003c\/li\u003e\n\u003cli\u003eHydrodeoxygenation (HDO) of Biomass Derivatives: Conversion of furfural or related oxygenates to value-added chemicals\/fuels\u003c\/li\u003e\n\u003cli\u003eSelective Oxidation of Alcohols or Aldehydes: Thermal catalytic oxidation to carbonyl compounds or acids\u003c\/li\u003e\n\u003cli\u003eCO Oxidation \u0026amp; Gas Purification: Removal of CO from hydrogen streams or environmental applications\u003c\/li\u003e\n\u003cli\u003eFine Chemicals \u0026amp; Pharmaceutical Synthesis: Broad use in heterogeneous catalysis for intermediates; recyclable Ir\/C reduces metal contamination vs. homogeneous systems\u003c\/li\u003e\n\u003cli\u003eDecomposition of Formic Acid: To H₂ and CO₂ for hydrogen storage\/release applications\u003c\/li\u003e\n\u003cli\u003eHydrogenation of Carbonyls: Ketones or aldehydes to alcohols under mild conditions\u003c\/li\u003e\n\u003cli\u003eEnvironmental Catalysis: VOC oxidation or pollutant remediation in gas or liquid phase\u003c\/li\u003e\n\u003cli\u003eBiomass Upgrading \u0026amp; Lignin Derivatives: Selective bond cleavage or stabilization\u003c\/li\u003e\n\u003cli\u003eand many other electrochemical and non-electrochemical end use cases\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis product has a BET surface area of ~200-220 m²\/gram. The average crystallite size for Ir nanoparticles is calculated as ~0.57 nm (amorphous or less than 1nm) for this product. The average particle size for this supported catalyst material is ~34.53 microns. Metal purity is \u0026gt;99.9% (3N), and the bulk density is ~0.25–0.35 g\/cm³.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest XT 5% Iridium on Vulcan XC-72R Grade T Technical Specification Sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Fuel Cells Etc","offers":[{"title":"1","offer_id":49732623794435,"sku":"11080095","price":215.0,"currency_code":"USD","in_stock":true},{"title":"5","offer_id":49732623827203,"sku":"11080096","price":949.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/6524\/3907\/files\/platinum-vulcan-carbon-fuel-cell-catalyst-500x500.jpg?v=1791409510"},{"product_id":"iridium-ruthenium-oxide","title":"XT Iridium Ruthenium Oxide Grade S","description":"\u003cp\u003eThe XT Iridium Ruthenium Oxide (IrRuOx or IrRuO4) catalyst manufactured by Fuel Cells Etc is a high-purity unsupported mixed-oxide fine powder. The main application for IrRuOx has always been the proton exchange membrane (PEM) water electrolysis and it is used as the anode catalyst to electrochemically split the water to its constituents (oxygen and protons). Recent literature indicates that IrRuOx can also be used for AEM electrolysis, chemical production, water disinfection and wastewater treatment, electrochemical degradation of micropollutants and various contaminants (such as pharmaceutical effluents, persistent organic dyes, etc.), supercapacitors, and many other electrochemical and non-electrochemical applications. An example list of the applications is given below and this is by no means an exhaustive list.\u003c\/p\u003e\n\u003cp\u003eIt is used as an industry-standard OER anode catalyst in harsh acidic environments (PEM electrolyzer stacks using Nafion, Aquivion, and other PFSA membranes as their solid acid electrolyte) and holds performance across typical operating pressure and current-density ranges.\u003c\/p\u003e\n\u003cp\u003eThe Ir–Ru alloying within the IrRuOx takes the stability of iridium oxide and the higher activity and lower cost of ruthenium oxide, so this catalyst keeps the performance industry applications require while using less of the more expensive metal. This is not a mixture of IrOx and RuOx. Instead, it is synthesized with the alloying in mind in order to merge Ir and Ru species at the atomic scale. XT IrRuOx is intended as a drop-in anode catalyst for catalyst-coated membranes (CCMs), catalyst-coated substrates, and customer ink work.\u003c\/p\u003e\n\u003cp\u003eThis product has a BET surface area of 100–120 m²\/g. The average crystallite size is ~8.2 nm. The median particle size (D\u003csub\u003e50\u003c\/sub\u003e) is ~10 µm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey properties\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-purity mixed oxide (\u0026gt; 99.9%)\u003c\/li\u003e\n\u003cli\u003eSuperb surface area and electrical conductivity\u003c\/li\u003e\n\u003cli\u003eProven Ir:Ru atomic ratio that uses the higher activity and lower cost of RuO\u003csub\u003ex\u003c\/sub\u003e without giving up the longevity of IrO\u003csub\u003ex\u003c\/sub\u003e\n\u003c\/li\u003e\n\u003cli\u003eReliable OER operation across pressure and current-density variation\u003c\/li\u003e\n\u003cli\u003eUnsupported mixed-oxide fine powder — no carbon support to corrode on the anode\u003c\/li\u003e\n\u003cli\u003eSame anode chemistry Fuel Cells Etc already coats onto custom PEM electrolyzer and CO\u003csub\u003e2\u003c\/sub\u003e-reduction CCMs\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePEM Water Electrolysis – Anode catalyst for oxygen evolution reaction\u003c\/li\u003e\n\u003cli\u003eUnitized regenerative fuel cell (URFC) oxygen electrodes\u003c\/li\u003e\n\u003cli\u003eAlkaline \u0026amp; Neutral Water Electrolysis – OER catalyst for broader water-splitting systems\u003c\/li\u003e\n\u003cli\u003eCO₂ Electroreduction to Methanol – As the OER catalyst on CCMs used for electrochemical conversion of CO₂ into methanol during CO₂RR testing\u003c\/li\u003e\n\u003cli\u003eCO₂ Electroreduction to Oxygenates – As the OER catalyst on CCMs used for ethanol and other oxygenated products during CO₂RR testing\u003c\/li\u003e\n\u003cli\u003eFuel Cell Start-Up\/Shutdown Protection – As a catalyst support for anode or cathode to reduce carbon corrosion during high-potential events.\u003c\/li\u003e\n\u003cli\u003eFuel Cell Reversal-Tolerant Anodes – As the anode catalyst support or additive to facilitate water oxidation during fuel starvation conditions.\u003c\/li\u003e\n\u003cli\u003eChlor-Alkali Electrolysis – As a catalyst for chlorine production from chloride-containing electrolytes.\u003c\/li\u003e\n\u003cli\u003eSodium Chlorate Production – As a durable anode material for industrial chlorate electrolysis.\u003c\/li\u003e\n\u003cli\u003eHypochlorite Generation – As a catalyst for electrochemical production of chlorine-based oxidants.\u003c\/li\u003e\n\u003cli\u003eElectrochemical Water Disinfection – Incorporated into the anode electrode to support generation of disinfecting oxidants such as chlorine species.\u003c\/li\u003e\n\u003cli\u003eAmmonia Removal from Wastewater – As a catalyst to enable electrochemical oxidation of ammonia and ammonium.\u003c\/li\u003e\n\u003cli\u003ePhenolic Wastewater Treatment – As the anode catalyst for oxidation of phenol and related organic contaminants.\u003c\/li\u003e\n\u003cli\u003eAntibiotic Degradation – As the advanced oxidation catalyst to facilitate the electrochemical destruction\/decomposition of antibiotics such as tetracycline.\u003c\/li\u003e\n\u003cli\u003eCephalexin Wastewater Treatment – As the advanced oxidation catalyst to support oxidation of cephalexin and related pharmaceutical contaminants.\u003c\/li\u003e\n\u003cli\u003ePharmaceutical Wastewater Treatment – As the advanced oxidation catalyst for electrochemical treatment of complex pharmaceutical effluents.\u003c\/li\u003e\n\u003cli\u003eMicropollutant Removal – Suitable for oxidation of trace pharmaceuticals and emerging contaminants.\u003c\/li\u003e\n\u003cli\u003ePesticide Degradation – As the anode catalyst for electrochemical treatment of pesticide-containing wastewater.\u003c\/li\u003e\n\u003cli\u003eReverse-Osmosis Concentrate Treatment – Supports oxidation of concentrated organic contaminants in RO reject streams.\u003c\/li\u003e\n\u003cli\u003eLandfill Leachate Treatment – Applicable to oxidation of refractory organics and ammonia in leachate.\u003c\/li\u003e\n\u003cli\u003eDMF Wastewater Treatment – As the advanced oxidation catalyst for electrochemical oxidation of N,N-dimethylformamide.\u003c\/li\u003e\n\u003cli\u003eTextile \u0026amp; Dye Wastewater Treatment – Supports electrochemical degradation of persistent organic dyes.\u003c\/li\u003e\n\u003cli\u003eEmerging Contaminant Oxidation – Applicable to compounds such as bisphenol A, diclofenac, and chlorophenols.\u003c\/li\u003e\n\u003cli\u003eSupercapacitors – Pseudocapacitive electrode material for specialized energy-storage systems.\u003c\/li\u003e\n\u003cli\u003eMetal Electrowinning – Durable anode catalyst for metal-recovery electrochemical systems.\u003c\/li\u003e\n\u003cli\u003eSeawater \u0026amp; Chloride Electrolysis – Catalyst for oxygen or chlorine evolution in chloride-containing electrolytes.\u003c\/li\u003e\n\u003cli\u003eMolten-Salt Electrolysis – Potential inert anode material for high-temperature electrochemical processes and CO₂ conversion.\u003c\/li\u003e\n\u003cli\u003eOzone, persulfate, and periodate generation\u003c\/li\u003e\n\u003cli\u003eElectrochemical sensors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFuel Cells Etc can coat this catalyst onto custom CCMs and MEAs. \u003ca href=\"\/pages\/request-a-quote?category=MEA\"\u003eRequest a custom CCM\/MEA quote\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/pages\/contact\"\u003eRequest Iridium Ruthenium Oxide Technical Specification Sheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Fuel Cells Etc","offers":[{"title":"1","offer_id":49732624285955,"sku":"11080107","price":425.0,"currency_code":"USD","in_stock":true},{"title":"5","offer_id":49732624318723,"sku":"11080108","price":1925.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/6524\/3907\/files\/iridium-fuel-cell-catalyst.jpg?v=1790704741"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/6524\/3907\/collections\/pt-iridium.jpg?v=1790962361","url":"https:\/\/fuelcellsetc.com\/collections\/iridium-catalysts.oembed","provider":"Fuel Cells Etc","version":"1.0","type":"link"}