{"title":"Accessories for Col Electrolyzers \u0026 Fuel Cells","description":"\u003cp\u003e\u003cstrong\u003eAccessories decide whether your electrolyzer or fuel-cell test stays a clean experiment or becomes a contamination hunt.\u003c\/strong\u003e The hardware in this collection sits one layer below the cell itself: jars and plates that prepare catalyst and ionomer slurries, coater parts that lay them down on gas-diffusion layers and membranes, roll-handling and pressing tools that finish the electrode, and rigs that hold pouch or short-stack assemblies during electrochemical testing. Choose them by the wear, sealing, and dimensional control your MEA workflow actually demands.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSlurry and powder preparation.\u003c\/strong\u003e Catalyst inks for PEM, AEM, and SOEC electrodes are sensitive to metal pickup and to oxygen and moisture exposure. Use:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZirconia jars and media for low-contamination milling of Pt\/C, Ir\/IrO2, Ni-based AEM catalysts, and oxide perovskites for SOEC air electrodes.\u003c\/li\u003e\n\u003cli\u003eAlumina jars when you need a harder, more chemically inert surface for SOFC\/SOEC cermet and electrolyte powders (YSZ, GDC, LSCF).\u003c\/li\u003e\n\u003cli\u003eStainless and agate options for cost-sensitive or short-run work where trace Fe or Si is acceptable.\u003c\/li\u003e\n\u003cli\u003eVacuum-sealed milling jars when ionomer-bound inks or air-sensitive intermediates must stay isolated from O2 and H2O during high-energy milling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCoating and lamination.\u003c\/strong\u003e Slot-die heads with coat-hanger manifolds give the cross-web uniformity needed for catalyst-coated membranes and GDE coatings; adjustable doctor blades cover lower-throughput tape-cast layers such as SOEC electrolyte tapes and porous transport layer interlayers. Roll-to-roll handling units control web tension on thin metal foils, polymer substrates, and PFSA-ionomer-coated rolls so coating thickness stays on target.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eElectrode and stack finishing.\u003c\/strong\u003e Roll-press accessories densify catalyst layers and bond MPL\/PTL stacks, while ultrasonic welding heads bond copper and aluminum tabs and current-collector strips on small short-stack assemblies. Knurl pattern, foil thickness, and material hardness all need to match.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCell-level testing fixtures.\u003c\/strong\u003e Pouch racks, quick-press fixtures, and PCB clamps in this section adapt the same hardware used in lithium-ion cycling to single-cell and short-stack PEM\/AEM testing, with low-resistance gold-plated contacts and Kelvin sensing for accurate iR-corrected polarization curves.\u003c\/p\u003e\n\n\u003cp\u003eIf you are starting from catalyst powder, begin with the milling jars and vacuum jars; for MEA fabrication, see the slot-die and doctor-blade tooling; for testing, pair these accessories with Electrolyzers \u0026amp; Fuel Cells hardware and the broader \u003ca href=\"\/collections\/energy-conversion\"\u003eEnergy Conversion\u003c\/a\u003e catalog.\u003c\/p\u003e\n","products":[{"product_id":"cferweh","title":"Working Electrode Holder for Fundamental Electrochemistry Research, CFERWEH","description":"\u003cp\u003eIn electrochemical research, a Working Electrode (WE) holder is the critical interface that provides a secure mechanical grip and a reliable electrical connection to your sample. 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(3) \u003cstrong\u003eSeals\u003c\/strong\u003e: Viton or EPDM O-rings are standard for aqueous work, while Chemraz\/Kalrez is used for the organic-compatible testing mentioned in your previous inquiries.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003eCFERWEH (C-FER-WEH)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eElectrode Holder Types\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003eInside Metal Plates: Pt\/Au\/GC\/Ti\/Cu\/G\/SS\u003c\/li\u003e\n\u003cli\u003eSheath Material: PTFE\/PEEK\/Metal\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eShape: Straight rod, L-type\u003c\/li\u003e\n\u003cli\u003eRod Diameter: 6 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"LDDHX","offers":[{"title":"Pt Sheet (10mm*10mm) + PTFE Sheath","offer_id":47441344102630,"sku":"CFERWEHPt1010PTFE","price":79.0,"currency_code":"USD","in_stock":true},{"title":"Pt Sheet (10mm*15mm) + PTFE Sheath","offer_id":47441344135398,"sku":"CFERWEHPt1015PTFE","price":99.0,"currency_code":"USD","in_stock":true},{"title":"Au Sheet (10mm*10mm) + PTFE Sheath","offer_id":47441894146278,"sku":"CFERWEHAu1010PTFE","price":199.0,"currency_code":"USD","in_stock":true},{"title":"Ti Sheet (10mm*15mm) + PTFE Sheath","offer_id":47441914003686,"sku":"CFERWEHTi1015PTFE","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Cu Sheet (10mm*15mm) + PTFE Sheath","offer_id":47442038325478,"sku":"CFERWEHCu1015PTFE","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Graphite Head + PTFE Sheath","offer_id":47442238111974,"sku":"CFERWEHGHPTFE","price":99.0,"currency_code":"USD","in_stock":true},{"title":"Cu Alligator Clip + PTFE Sheath","offer_id":47442072830182,"sku":"CFERWEHCuACPTFE","price":49.0,"currency_code":"USD","in_stock":true},{"title":"SS304 Alligator Clip + PTFE Sheath","offer_id":47442072862950,"sku":"CFERWEHSSACPTFE","price":49.0,"currency_code":"USD","in_stock":true},{"title":"L-Type + Pt Sheet (10mm*10mm) + PTFE Sheath","offer_id":47442229362918,"sku":"CFERWEHLTPt1010PTFE","price":159.0,"currency_code":"USD","in_stock":true},{"title":"L-Type + Ti Sheet (10mm*10mm) + PTFE Sheath","offer_id":47442208063718,"sku":"CFERWEHLTTi1010PTFE","price":119.0,"currency_code":"USD","in_stock":true},{"title":"L-Type + Cu Sheet (10mm*10mm) + PTFE Sheath","offer_id":47442208096486,"sku":"CFERWEHLTCu1010PTFE","price":119.0,"currency_code":"USD","in_stock":true},{"title":"Pt Sheet (10mm*10mm) + PEEK Sheath","offer_id":47442181357798,"sku":"CFERWEHPt1010PEEK","price":159.0,"currency_code":"USD","in_stock":true},{"title":"Pt Sheet (φ6mm) without A Hole + PEEK Sheath","offer_id":47442191810790,"sku":"CFERWEHPtD6PEEK","price":159.0,"currency_code":"USD","in_stock":true},{"title":"Glassy Carbon Sheet (φ3mm) + PEEK Sheath","offer_id":47442229330150,"sku":"CFERWEHGCD3PEEK","price":149.0,"currency_code":"USD","in_stock":true},{"title":"L-Type + Pt Sheet (10mm*10mm) + PEEK Sheath","offer_id":47442208030950,"sku":"CFERWEHLTPt1010PEEK","price":179.0,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel (SS316L)","offer_id":47442250924262,"sku":"CFERWEHSS316L","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CFERWEH_main.png?v=1773178144"},{"product_id":"cfercept","title":"Platinum (Pt) Sheet\/Mesh\/Wire\/Ring Counter Electrode for Fundamental Electrochemistry Research, CFERCEPt","description":"\u003cp\u003eA Platinum (Pt) sheet with a PTFE (Polytetrafluoroethylene) holder is one of the most common and robust counter electrode (CE) configurations used in electrochemical research. The high surface area of a sheet (as opposed to a wire) is critical for ensuring that the counter electrode reaction does not become the \"bottleneck\" of your experiment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlatinum (The Catalyst)\u003c\/strong\u003e: Pt is selected for its extreme chemical inertness and its high exchange current density for the Hydrogen Evolution Reaction (HER) and Oxygen Evolution Reaction (OER). This ensures that the CE can easily provide whatever current the Working Electrode (WE) demands without significant polarization. (2) \u003cstrong\u003ePTFE (The Shield)\u003c\/strong\u003e: The PTFE body or \"shroud\" protects the electrical connection (usually a Titaniun or Stainless Steel rod) from the electrolyte. 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While Platinum is preferred for its catalytic \"un-bottlenecked\" performance, graphite is often technically superior when you need to avoid Platinum contamination (redeposition) on your working electrode, especially in research involving the Hydrogen Evolution Reaction (HER) or CO2 reduction.\u003c\/p\u003e\n\u003cp\u003eCompared to platinum, graphite offers specific advantages: (1) \u003cstrong\u003ePrevents \"False Positives\"\u003c\/strong\u003e: Platinum can dissolve from the CE in acidic media and redeposit on the Working Electrode (WE). If you are testing a new non-precious catalyst, the redeposited Pt might \"fake\" the high activity you observe, while g\u003cspan style=\"font-size: 0.875rem;\"\u003eraphite eliminates this risk\u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e. (2) \u003cstrong\u003eCost-Efficiency for High Current\u003c\/strong\u003e: In large-scale flow cells where you need 100 cm2 of counter electrode, Platinum is prohibitively expensive. High-density graphite provides the necessary area for pennies. 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It consists of a high-purity metal rod—such as Platinum, Gold, Glassy Carbon, or Stainless Steel—permanently embedded within a Polytetrafluoroethylene (PTFE\/Teflon) cylinder. This design is engineered to solve the most common problem in electrochemical measurements: uncontrolled active surface area.\u003c\/p\u003e\n\u003cp\u003eThe primary purpose of the PTFE sheath is to provide electrical insulation and chemical protection for the length of the rod, leaving only the circular cross-section (the \"disk\") at the bottom exposed to the electrolyte. (1) \u003cstrong\u003eThe Metal Core\u003c\/strong\u003e: Typically 1 mm, 3 mm, or 5 mm in diameter. (2) \u003cstrong\u003eThe PTFE Shroud\u003c\/strong\u003e: Usually 6 mm to 15 mm. It is often precision-machined or shrink-fitted to ensure a leak-proof seal at the metal-plastic interface. (3) \u003cstrong\u003eThe Connector\u003c\/strong\u003e: The top of the rod usually features a standard 2 mm or 4 mm gold-plated pin for connecting to potentiostat.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003eCFERMRE (C-FER-MRE)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003ePurity \u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003e\u0026gt;99.99%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eElectrode Diameter \u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003eTotal diameter is φ 6 mm (metal core + PTFE sheath)\u003c\/li\u003e\n\u003cli\u003eMetal core rod diameter: φ 3mm * L 80 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eMetal Rod Electrode Types\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e    (1) Silver (Ag) Rod Core with PTFE Sheath\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e    (2) Platinum (Pt) Rod Core with PTFE Sheath\u003c\/p\u003e\n\u003cp\u003e    (3) Titanium (Ti) Rod Core with PTFE Sheath\u003c\/p\u003e\n\u003cp\u003e    (4) Nickel (Ni) Rod Core with PTFE Sheath\u003c\/p\u003e\n\u003cp\u003e    (5) Molybdenum (Mo) Rod Core with PTFE Sheath\u003c\/p\u003e\n\u003cp\u003e    (6) Tungsten (W) Rod Core with PTFE Sheath\u003c\/p\u003e\n\u003cp\u003e    (7) Zinc (Zn) Rod Core with PTFE Sheath\u003c\/p\u003e\n\u003cp\u003e    (8) Copper (Cu) Rod Core with PTFE Sheath\u003c\/p\u003e\n\u003cp\u003e    (9) Cobalt (Co) Rod Core with PTFE Sheath\u003c\/p\u003e\n\u003cp\u003e    (10) Indium (In) Rod Core with PTFE Sheath\u003c\/p\u003e\n\u003cp\u003e    (11) Aluminum (Al) Rod Core with PTFE Sheath\u003c\/p\u003e\n\u003cp\u003e    (12) SS316 Rod Core with PTFE Sheath\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"LDDHX","offers":[{"title":"Silver (Ag) Rod Core with PTFE Sheath","offer_id":47444248363238,"sku":"CFERMREAg","price":69.0,"currency_code":"USD","in_stock":true},{"title":"Platinum (Pt) Rod Core with PTFE Sheath","offer_id":47444248396006,"sku":"CFERMREPt","price":169.0,"currency_code":"USD","in_stock":true},{"title":"Titanium (Ti) Rod Core with PTFE Sheath","offer_id":47444248428774,"sku":"CFERMRETi","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Nickel (Ni) Rod Core with PTFE Sheath","offer_id":47444267237606,"sku":"CFERMRENi","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Molybdenum (Mo) Rod Core with PTFE Sheath","offer_id":47444267270374,"sku":"CFERMREMo","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Tungsten (W) Rod Core with PTFE Sheath","offer_id":47444267303142,"sku":"CFERMREW","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Zinc (Zn) Rod Core with PTFE Sheath","offer_id":47444267335910,"sku":"CFERMREZn","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Copper (Cu) Rod Core with PTFE Sheath","offer_id":47444267368678,"sku":"CFERMRECu","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Cobalt (Co) Rod Core with PTFE Sheath","offer_id":47444267401446,"sku":"CFERMRECo","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Indium (In) Rod Core with PTFE Sheath","offer_id":47444267434214,"sku":"CFERMREIn","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Aluminum (Al) Rod Core with PTFE Sheath","offer_id":47444267466982,"sku":"CFERMREAl","price":49.0,"currency_code":"USD","in_stock":true},{"title":"SS316 Rod Core with PTFE Sheath","offer_id":47444267499750,"sku":"CFERMRESS316","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CFERMRE_main.png?v=1773287956"},{"product_id":"cferre","title":"Reference Electrode for Fundamental Electrochemistry Research, CFERRE","description":"\u003cp\u003eIn fundamental electrochemistry, the Reference Electrode (RE) is the \"voltage ruler\" of your system. Its primary role is to provide a stable, constant electrochemical potential against which the Working Electrode (WE) is measured, without drawing significant current itself.\u003c\/p\u003e\n\u003cp\u003eThe selection guidance for the reference electrode in various electrochemical system, the following chart can be used as reference:\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CFERRE_selection_guidance_480x480.png?v=1773298323\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003eCFERMRE (C-FER-MRE)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003ePurity \u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003e\u0026gt;99.99%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eReference Electrode Types\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e    (1) Ag\/AgCl Electrode (φ 6mm * L 75 mm), 3.5 M KCl, suitable for neutral electrolyte under high temperature condition\u003c\/p\u003e\n\u003cp\u003e    (2) Saturated Ag\/AgCl Electrode (φ 6mm * L 65 mm), suitable for regular neutral electrolyte conditions\u003c\/p\u003e\n\u003cp\u003e    (3) Ag\/Ag+ Electrode (φ 6mm * L 65 mm), suitable for non-aqueous electrolyte condition\u003c\/p\u003e\n\u003cp\u003e    (4) Saturated Calomel Electrode (SCE, φ 6mm * L 65 mm), suitable for regular neutral electrolytes. \u003c\/p\u003e\n\u003cp\u003e    (5) Hg\/Hg2SO4 Electrode (φ 6mm * L 65 mm), suitable for acidic electrolyte.  \u003c\/p\u003e\n\u003cp\u003e    (6) Hg\/HgO Electrode (φ 6mm * L 65 mm), suitable for alkaline electrolyte.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"SHHYDQ","offers":[{"title":"Ag\/AgCl Electrode (φ 6mm * L 75 mm) (3.5 M KCl)","offer_id":47444270514406,"sku":"CFERREAAC","price":39.0,"currency_code":"USD","in_stock":true},{"title":"Saturated Ag\/AgCl Electrode (φ 6mm * L 65 mm)","offer_id":47444270547174,"sku":"CFERRESAAC","price":39.0,"currency_code":"USD","in_stock":true},{"title":"Ag\/Ag+ Electrode (φ 6mm * L 65 mm)","offer_id":47444270579942,"sku":"CFERREAA","price":39.0,"currency_code":"USD","in_stock":true},{"title":"Saturated Calomel Electrode (SCE, Hg\/Hg2Cl2) (φ 6mm * L 65 mm)","offer_id":47444270612710,"sku":"CFERRESCE","price":39.0,"currency_code":"USD","in_stock":true},{"title":"Hg\/Hg2SO4 Electrode (φ 6mm * L 65 mm)","offer_id":47444270645478,"sku":"CFERREHHS","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Hg\/HgO Electrode (φ 6mm * L 65 mm)","offer_id":47444270678246,"sku":"CFERREHHO","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CFERRE_main.png?v=1773299144"}],"url":"https:\/\/echemsupplies.com\/collections\/electrolyzers-fuel-cells-accessories.oembed","provider":"EChem Supplies","version":"1.0","type":"link"}