{"product_id":"cfbefcecfs","title":"Economic Carbon Felt Sheet (T 1.0-5.0 mm * W 100mm * L 100mm) for Flow Battery, Electrolyzer, and Fuel Cell, 5 pcs\/pack, CFBEFCECFS","description":"\u003cp\u003eCarbon felt (typically heat-treated at ~ 1000–1400°C) differs from graphite felt (graphitized at \u0026gt;2000°C) in its crystallographic order, surface chemistry, and mechanical properties. While graphite felt has higher electronic conductivity, carbon felt possesses a higher concentration of structural defects, disordered carbon, and residual functional groups. These characteristics give carbon felt distinct advantages and trade-offs in electrochemical energy devices.\u003c\/p\u003e\n\u003cp\u003e(1) \u003cstrong\u003eRedox Flow Batteries (RFB):\u003c\/strong\u003e In flow batteries (e.g., Vanadium, Iron-Chromium, Organic RFBs), carbon felt serves as a 3D porous electrode where active redox reactions occur. (1) \u003cem\u003eIntrinsic Catalytic Activity\u003c\/em\u003e: The abundant edge defects and disordered carbon structures in carbon felt provide a higher density of electrochemically active sites for redox couples (V^{2+}\/V^{3+} and VO^{2+}\/(VO2)+) compared to pristine, unactivated graphite felt. (2) \u003cem\u003eThermal Activation Behavior\u003c\/em\u003e: Air thermal activation (400–500°C) creates hydrophilic oxygen functional groups (-COOH, -OH) more rapidly on carbon felt due to its lower oxidation onset temperature.\u003c\/p\u003e\n\u003cp\u003e(2) In \u003cstrong\u003eWater Electrolyzers (PEMWE \u0026amp; Alkaline Electrolyzers)\u003c\/strong\u003e application field, in water electrolysis, carbon felt is evaluated as a Porous Transport Layer (PTL) or direct 3D substrate for Hydrogen Evolution (HER) or Oxygen Evolution (OER) catalysts.\u003c\/p\u003e\n\u003cp\u003e(3) In \u003cstrong\u003eFuel Cells (PEMFC, PAFC, Direct Methanol)\u003c\/strong\u003e application field, in fuel cells, carbon felt acts as a Gas Diffusion Layer (GDL) or liquid-fuel transport matrix.\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"width: 100%; height: 388.2px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 38.6875px;\"\u003e\n\u003ctd style=\"width: 28.2374%; height: 38.6875px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.4029%; height: 38.6875px;\"\u003e\n\u003cp\u003e\u003cspan\u003eCFBEFCECFS (C-FBEFC-ECFS)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 156.05px;\"\u003e\n\u003ctd style=\"width: 28.2374%; height: 156.05px;\"\u003e\u003cem\u003eSheet Dimension\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.4029%; height: 156.05px;\"\u003e\n\u003cp\u003e(1) T 1.0 mm * W 100mm * L 100mm\u003c\/p\u003e\n\u003cp\u003e(2) T 2.0 mm * W 100mm * L 100mm\u003c\/p\u003e\n\u003cp\u003e(3) T 3.0 mm * W 100mm * L 100mm\u003c\/p\u003e\n\u003cp\u003e(4) T 5.0 mm * W 100mm * L 100mm\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eOther sheet dimensions can also be supplied upon request. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 38.6875px;\"\u003e\n\u003ctd style=\"width: 28.2374%; height: 38.6875px;\"\u003e\u003cem\u003ePorosity\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.4029%; height: 38.6875px;\"\u003e\n\u003cp\u003e\u0026gt;80% (wire diameter: 6.5-13 mm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 38.6875px;\"\u003e\n\u003ctd style=\"width: 28.2374%; height: 38.6875px;\"\u003e\u003cem\u003eBulk Density\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.4029%; height: 38.6875px;\"\u003e\n\u003cp\u003e~0.4-1.0 g\/cm3\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 38.6875px;\"\u003e\n\u003ctd style=\"width: 28.2374%; height: 38.6875px;\"\u003e\u003cem\u003eSurface Area\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.4029%; height: 38.6875px;\"\u003e\n\u003cp\u003e1200-1600 m2\/g\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 38.7125px;\"\u003e\n\u003ctd style=\"width: 28.2374%; height: 38.7125px;\"\u003e\u003cem\u003ePackage Grade\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.4029%; height: 38.7125px;\"\u003e\n\u003cp\u003e5 pcs\/pack\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReferences\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0008622319307651\"\u003eX. Zhou, et al., Nano-catalytic layer engraved carbon felt via copper oxide etching for vanadium redox flow batteries, Carbon, 2019, 153, 674-681\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/iopscience.iop.org\/article\/10.1149\/2.0461902jes\/meta\"\u003eY. Lee, et al., Application of Carbon Felt as a Flow Distributor for Polymer Electrolyte Membrane Fuel Cells, J. Electrochem. Soc., 2019, 166 F74\u003c\/a\u003e\u003c\/p\u003e","brand":"KYSJYQ","offers":[{"title":"T 1.0mm * W 100mm * L 100mm","offer_id":48130564751590,"sku":"CFBEFCCFS1","price":59.0,"currency_code":"USD","in_stock":true},{"title":"T 2.0mm * W 100mm * L 100mm","offer_id":48130564784358,"sku":"CFBEFCCFS2","price":69.0,"currency_code":"USD","in_stock":true},{"title":"T 3.0 mm * W 100mm * L 100mm","offer_id":48130564817126,"sku":"CFBEFCCFS3","price":79.0,"currency_code":"USD","in_stock":true},{"title":"T 5.0 mm * W 100mm * L 100mm","offer_id":48130564849894,"sku":"CFBEFCGFS5","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CFBEFCECFS_main.jpg?v=1786087438","url":"https:\/\/echemsupplies.com\/products\/cfbefcecfs","provider":"EChem Supplies","version":"1.0","type":"link"}