{"product_id":"cazibocpto","title":"PTO (Pyrene-4,5,9,10-tetraone, \u003e99.0%) Powder as Organic Cathode for Aqueous Zn-Ion Battery, 5 g\/bottle, CAZIBOCPTO","description":"\u003cp\u003ePTO (Pyrene-4,5,9,10-tetraone) powder is an advanced, high-performance organic small-molecule cathode material utilized in aqueous zinc-ion batteries (AZIBs). Featuring an extended polycyclic aromatic hydrocarbon core fused with four electrochemically active carbonyl groups (C=O), PTO offers exceptional theoretical capacity and rapid redox kinetics, positioning it as a leading candidate for sustainable, high-rate energy storage.\u003c\/p\u003e\n\u003cp\u003eThe key electrochemical and redox chemistry features of PTO as organic cathode in aqueous zinc-ion battery are: (1) \u003cstrong\u003eMulti-Electron Carbonyl Redox\u003c\/strong\u003e: The electrochemical storage mechanism relies on the reversible enolization of its four carbonyl groups. During discharge, the C=O bonds accept electrons and reversibly bind incoming cations to form stable enolate species. (2) \u003cstrong\u003eHigh Theoretical Capacity\u003c\/strong\u003e: Because multiple electrons are transferred per molecular weight unit, PTO delivers a remarkably high theoretical specific capacity (often exceeding 250-300 mAh\/g depending on the exact redox voltage plateau). (3) \u003cstrong\u003eConjugated π-π Stacking and Stability\u003c\/strong\u003e: The rigid, planar pyrene core provides extensive aromatic π-π conjugation. This not only enhances intrinsic electronic conductivity relative to simpler aliphatic organics but also stabilizes the molecular crystal structure against severe structural collapse during continuous ion insertion.\u003c\/p\u003e\n\u003cp\u003eThe main advantages over the inorganic cathode are: (1) \u003cstrong\u003eSuperior Rate Capability\u003c\/strong\u003e: Ion storage occurs via fast surface\/interfacial coordination rather than sluggish, high-activation-energy solid-state diffusion, enabling exceptional high-current charging and discharging performance. (2) \u003cstrong\u003eEnvironmental Sustainability\u003c\/strong\u003e: Composed entirely of earth-abundant carbon, hydrogen, and oxygen, PTO eliminates the supply chain bottlenecks and geopolitical risks associated with transition-metal mining (such as cobalt, nickel, and vanadium). (3) \u003cstrong\u003eMechanical Compliance\u003c\/strong\u003e: Organic crystal lattices easily accommodate the volumetric strain of ion insertion, resulting in excellent structural resilience over thousands of cycles when properly stabilized.\u003c\/p\u003e\n\u003ctable style=\"width: 100.036%; height: 331.3px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 31.4491%; height: 35.6px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.37%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003eCAZIBOCPTO (C-SB-OE-PANI)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36.6px;\"\u003e\n\u003ctd style=\"width: 31.4491%; height: 36.6px;\"\u003e\u003cem\u003eCAS\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.37%; height: 36.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e14727-71-0\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 125.725px;\"\u003e\n\u003ctd style=\"width: 31.4491%; height: 125.725px;\"\u003e\u003cem\u003eChemical Formula \u0026amp; Structure\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.37%; height: 125.725px;\"\u003e\n\u003cp\u003e\u003cspan\u003eC16H6O4\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CAZIBOCPTO_Structure_100x100.jpg?v=1791790168\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 29.2875px;\"\u003e\n\u003ctd style=\"width: 31.4491%; height: 29.2875px;\"\u003e\u003cem\u003eMolecular Weight\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.37%; height: 29.2875px;\"\u003e\n\u003cdiv style=\"text-align: start;\"\u003e262.22 \u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 29.2875px;\"\u003e\n\u003ctd style=\"width: 31.4491%; height: 29.2875px;\"\u003e\u003cem\u003eAppearance\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.37%; height: 29.2875px;\"\u003e\n\u003cdiv style=\"text-align: start;\"\u003eWhite powder\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 31.4491%; height: 39.2px;\"\u003e\u003cem\u003eSpecific Capacity\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.37%; height: 39.2px;\"\u003e\n\u003cdiv style=\"text-align: start;\"\u003e~230-280 mAh\/g (theoretical value is ~408 mAh\/g)\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003eflat discharge plateau ~2.2-2.8 V vs. Zn\/Zn2+ (1.5-4.5 V)\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 31.4491%; height: 35.6px;\"\u003e\u003cem\u003ePackage Grade\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.37%; height: 35.6px;\"\u003e\n\u003cp\u003e5 g\/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\u003cspan\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e: Please try to store the TCBQ powder in a dry place and do vacuum drying (90-100 °C) for 12-24 h. \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\u003ca href=\"https:\/\/pubs.acs.org\/aamick\/article-abstract\/17\/13\/19596\/3634670\/High-Rate-Quinone-Cathodes-and-Nafion-Conditioning?redirectedFrom=fulltext\"\u003e\u003cspan\u003eP. Sireesha, et al. High-Rate Quinone Cathodes and Nafion Conditioning for Improved Stability in Aqueous Zinc-Ion Batteries, ACS Appl. Mater. Interfaces (2025) 17 (13): 19596–19606.\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003ca href=\"https:\/\/chemistry-europe.onlinelibrary.wiley.com\/doi\/abs\/10.1002\/batt.202400675\"\u003eM. Sajid, et al. Highly Stable Cyclic Performance of Benzoquinone-Based Organic Cathode in Aqueous Zinc Ion Batteries, Batteries \u0026amp; Supercaps, 2025, 8, 15, e202400675\u003c\/a\u003e \u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"MKL","offers":[{"title":"Default Title","offer_id":67677547921638,"sku":"CAZIBOCPTO","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CAZIBOCPTO_main.jpg?v=1791790366","url":"https:\/\/echemsupplies.com\/products\/cazibocpto","provider":"EChem Supplies","version":"1.0","type":"link"}