{"product_id":"cpibcpb","title":"Prussian Blue K2Fe[Fe(CN)6] Powder for K-Ion Battery Cathode, 20 g\/bottle, CPIBCPB","description":"\u003cp\u003eK2Fe[Fe(CN)6] (Potassium Iron Hexacyanoferrate), the stoichiometric, potassium-rich form of Prussian Blue (PB), is a highly competitive cathode material for Potassium-Ion Batteries (KIBs\/PIBs). Because potassium (K+) has a large ionic radius (1.38 Å compared to Li+'s 0.76 Å), standard dense interstitial host structures like layered oxides or olivines suffer from severe lattice strain and sluggish kinetics when cycling potassium. Prussian Blue solves this via its uniquely accommodating open-framework architecture.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"math-inline\"\u003eK2Fe[Fe(CN)6]\u003c\/span\u003e\u003cspan class=\"citation-141\"\u003e acts as a \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-141\"\u003etwo-electron transfer\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-141 citation-end-141\"\u003e cathode material, yielding highly favorable capacities and voltages: (1) ~3.0 V vs. K\/K+: Associated with the oxidation\/reduction of the High-Spin Fe^{2+}\/ Fe}^{3+} sites (N-coordinated). (2) ~4.0 V vs. K\/K+: Associated with the oxidation\/reduction of the Low-Spin Fe^{2+}\/ Fe^{3+} sites (C-coordinated). The combined redox action delivers an average discharge voltage profile between 3.3 V and 3.6 V, enabling highly competitive material-level energy densities (~500 Wh\/kg).\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 419.55px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 49.725px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 49.725px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 49.725px;\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCPIBCPB (C-PIB-C-PB)\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: 33.6331%; height: 35.6px;\"\u003e\u003cem\u003eChemical Composition\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003eK: 30.5 wt%   Fe: 45.0 wt%\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 14.5375px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 14.5375px;\"\u003e\n\u003cstrong\u003e \u003c\/strong\u003e\u003cem\u003eParticle Size Distribution\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 14.5375px;\"\u003e\n\u003cp\u003e\u003cspan\u003eD10 = 1.2 um;  \u003c\/span\u003e\u003cspan\u003eD50 = 3.9 um;   D90 = 10.6 um\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 19.6px;\"\u003e\u003cem\u003eTap Density\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 19.6px;\"\u003e1.10 g\/cm3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 27.9625px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 27.9625px;\"\u003e\u003cem\u003eSpecific Area\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 27.9625px;\"\u003e0.66 m2\/g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.6331%;\"\u003e\u003cem\u003epH\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%;\"\u003e9.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.6331%;\"\u003e\u003cem\u003eXRD\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%;\"\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CPIBCPB_XRD_160x160.png?v=1782030381\" alt=\"\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 229.8px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 229.8px;\"\u003e\u003cem\u003eFirst Discharging Capacity\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 229.8px;\"\u003e\n\u003cp\u003e~136 mAh\/g (0.1 C, 2.0-4.2 V)\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CPIBCPB_Charge-Dsicharge_160x160.png?v=1782030381\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003eCathode: KPB: SP: PVDF = 90 : 5 : 5\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003eAnode: Potassium metal\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003eElectrolyte: 1 mol\/L KPF6 in EC:PC = 1:1.\u003c\/div\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\u003cspan\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e: (1) Please store the KPB powder in a dry area (glovebox is preferred)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eReferences\u003c\/strong\u003e: \u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/pubs.rsc.org\/en\/content\/articlelanding\/2013\/1m\/c7ta08139a\/unauth\"\u003eS. Chong, et al. Potassium ferrous ferricyanide nanoparticles as a high capacity and ultralong life cathode material for nonaqueous potassium-ion batteries, J. Mater. Chem. A, 2017,5, 22465-22471\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/pubs.rsc.org\/en\/content\/articlelanding\/2022\/se\/d1se01653a\/unauth\"\u003eA. Tyagi, et al. Opportunities in Na\/K [hexacyanoferrate] frameworks for sustainable non-aqueous Na+\/K+ batteries, Sustainable Energy Fuels, 2022,6, 550-595\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"LNDC","offers":[{"title":"Default Title","offer_id":47906770387174,"sku":"CPIBCPB","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CPIBCPB_main.png?v=1782030177","url":"https:\/\/echemsupplies.com\/products\/cpibcpb","provider":"EChem Supplies","version":"1.0","type":"link"}