{"product_id":"czibcmno2","title":"Manganese Dioxide (α, β, γ, δ-MnO2) Powder for Aqueous Zn-Ion Battery Cathode, 50 or 100 g\/bottle, CZIBCMnO2","description":"\u003cp\u003eManganese Dioxide (MnO2) is the most established and widely used cathode material for both primary (non-rechargeable) and rechargeable Aqueous Zinc-Ion Batteries (AZIBs) due to its low cost, abundance, environmental friendliness, and high theoretical capacity. \u003c\/p\u003e\n\u003cp\u003eMnO2 exists in various crystalline forms, or polymorphs, such as α, β, γ, δ-MnO2, which have different structures and electrochemical performances. \u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 368.888px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 40.875px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 40.875px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 40.875px;\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCZIBCMnO2 (C-ZIB-C-MnO2)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.875px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 40.875px;\"\u003e\u003cem\u003eChemical Formula\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 40.875px;\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eα, β, γ, δ-MnO2\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.875px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 40.875px;\"\u003e\u003cem\u003ePurity\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 40.875px;\"\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e\u0026gt;99.7%\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 40.875px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 40.875px;\"\u003e\n\u003cstrong\u003e \u003c\/strong\u003e\u003cem\u003eMesh Size\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 40.875px;\"\u003e\n\u003cp\u003e\u003cspan\u003e~74 um\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 205.388px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 205.388px;\"\u003e\u003cem\u003eFirst Discharging Capacity\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 205.388px;\"\u003e\n\u003cp\u003e~150 mAh\/g (0.2 C)\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/C-ZIB-C-MO_Charge_160x160.jpg?v=1763962662\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003eElectrode: γ-MnO2 and Zn foil\n\u003cp\u003eElectrolyte: 2 M ZnSO4\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.6331%;\"\u003e\u003cem\u003ePackage Grade\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%;\"\u003e\n\u003cp\u003e100 g\/bottle for α, β, γ-MnO2\u003c\/p\u003e\n\u003cp\u003e50 g\/bottle for δ-MnO2\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\u003cspan\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e: (1) Please store the MnO2 powder in a dry area (glovebox is preferred); (2) The battery powder is highly recommended to be dried at 80-100°C in a vacuum oven for 6-12 h before use.\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\/doi\/abs\/10.1021\/acs.chemmater.4c03176\" rel=\"noopener\" target=\"_blank\"\u003eT. Hwang, et al. Reaction Mechanisms and Improvement of α-MnO2 Cathode in Aqueous Zn-Ion Battery, Chem. Mater. 2025, DOI: acs.chemmater.4c03176. \u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.nature.com\/articles\/s41467-017-00467-x\" rel=\"noopener\" target=\"_blank\"\u003eN. Zhang, et al. Rechargeable aqueous zinc-manganese dioxide batteries with high energy and power densities, Nature. Communications, 2017, 8, 405. \u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/cm504717p\" rel=\"noopener\" target=\"_blank\"\u003eM. H. Alfaruqi, et al. Electrochemically Induced Structural Transformation in a γ-MnO2 Cathode of a High Capacity Zinc-Ion Battery System, Chem. Mater. 2015, 27, 3609–3620.\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"SZKJ","offers":[{"title":"α-MnO2 (100 g\/bottle)","offer_id":46894307213542,"sku":"CZIBCαMnO2","price":59.0,"currency_code":"USD","in_stock":true},{"title":"β-MnO2 (100 g\/bottle)","offer_id":46894307246310,"sku":"CZIBCβMnO2","price":69.0,"currency_code":"USD","in_stock":true},{"title":"γ-MnO2 (100 g\/bottle)","offer_id":46894307279078,"sku":"CZIBCγMnO2","price":59.0,"currency_code":"USD","in_stock":true},{"title":"δ-MnO2 (50 g\/bottle)","offer_id":47714145632486,"sku":"CZIBCδMnO2","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CZIBCMnO2_main.png?v=1779724130","url":"https:\/\/echemsupplies.com\/products\/czibcmno2","provider":"EChem Supplies","version":"1.0","type":"link"}