{"product_id":"crfbnppes","title":"Nanoporous Polyethylene (PE) Separator for Redox Flow Battery, 5 pcs\/pack, CRFBNPPES","description":"\u003cp\u003eIn a Redox Flow Battery (RFB), a PE (Polyethylene) nanopore membrane (often called a nanoporous separator) represents a shift away from expensive chemical \"ion-exchange\" membranes toward a mechanical \"sieving\" approach. By shrinking the pores from the micrometer scale down to the nanometer scale (typically \u0026lt;20 nm), these membranes can block large redox-active molecules while letting tiny charge-carrying ions pass through at high speeds.\u003c\/p\u003e\n\u003cp\u003eNanoporous PE uses a physical process: (1) \u003cstrong\u003eSize Exclusion\u003c\/strong\u003e: The \"nanopores\" are engineered to be larger than a proton (H+) or a chloride ion (Cl-) but smaller than the bulky \"active species\" (like Vanadium ions or Organic complexes). (2) \u003cstrong\u003eIon Flux\u003c\/strong\u003e: Because the pores are essentially open channels filled with liquid electrolyte, the resistance is lower than in solid polymers, allowing for higher power density.\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"width: 100%; height: 267.438px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 40.2375px;\"\u003e\n\u003ctd style=\"width: 35.0575%; height: 40.2375px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.7626%; height: 40.2375px;\"\u003e\n\u003cp\u003e\u003cspan\u003eCRFBNPPES (C-RFB-NPPES)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 35.0575%; height: 35.6px;\"\u003e\u003cem\u003eAppearance\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.7626%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003eOff-white or grey\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 55.2px;\"\u003e\n\u003ctd style=\"width: 35.0575%; height: 55.2px;\"\u003e\u003cem\u003eDimension\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.7626%; height: 55.2px;\"\u003e\n\u003cp\u003e\u003cspan\u003eT 0.5 * L 100mm * W 100 mm (Other membrane sizes can be supplied upon request)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 35.0575%; height: 35.6px;\"\u003e\u003cem\u003ePore Size\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.7626%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e~20 nm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 35.0575%; height: 35.6px;\"\u003e\u003cem\u003ePorosity\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.7626%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e~55%\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"width: 35.0575%; height: 10px;\"\u003e\u003cem\u003ePackage Grade\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.7626%; height: 10px;\"\u003e\n\u003cp\u003e\u003cspan\u003e5 pcs\/pack\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 55.2px;\"\u003e\n\u003ctd style=\"width: 35.0575%; height: 55.2px;\"\u003e\u003cem\u003eNote\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.7626%; height: 55.2px;\"\u003e\n\u003cp\u003e\u003cspan\u003eThe nanoporous PE separator is especially suitable for \u003cstrong\u003eZinc-Bromide flow battery\u003c\/strong\u003e system.\u003c\/span\u003e\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\n\u003cp\u003e\u003cstrong\u003eReferences\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(1）\u003ca href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0167273818306660\"\u003eH. Y. Jung, et al., Ionic transportation and chemical stability of high-endurance porous polyethylene separator for vanadium redox flow batteries, Ionic transportation and chemical stability of high-endurance porous polyethylene separator for vanadium redox flow batteries 2018, 327, 110-116\u003c\/a\u003e\u003ca href=\"https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acsaem.3c00522\"\u003e\u003c\/a\u003e. \u003c\/p\u003e\n\u003cp\u003e(2) \u003ca href=\"https:\/\/www.tandfonline.com\/doi\/abs\/10.1080\/15583724.2015.1011276\"\u003eX. Wei, et al., Porous Polymeric Composite Separators for Redox Flow Batteries, Polymer Reviews, 2015, 55, 247-272\u003c\/a\u003e.\u003c\/p\u003e","brand":"YLDCYJS","offers":[{"title":"Default Title","offer_id":47277301006566,"sku":"CRFBNPPES","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CRFBNPPES_main.png?v=1768714096","url":"https:\/\/echemsupplies.com\/products\/crfbnppes","provider":"EChem Supplies","version":"1.0","type":"link"}