{"product_id":"silicon-monoxide-siox","title":"Silicon Monoxide (SiOx)","description":"\u003ch2 id=\"product-oneliner\"\u003eSilicon monoxide anode material\u003c\/h2\u003e\n\u003cp class=\"text-center\"\u003efor next-generation high-energy lithium-ion batteries\u003c\/p\u003e\n\u003chr\u003e\n\u003cp class=\"text-center\"\u003e\u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e | \u003ca href=\"#product-information\"\u003eProduct Information\u003c\/a\u003e | \u003ca href=\"#related-products\"\u003eRelated Products\u003c\/a\u003e\n\u003c\/p\u003e\n\u003chr\u003e\n\u003cp id=\"overview\"\u003eSilicon monoxide (CAS number 10097-28-6) is an inorganic material often referred to as SiO\u003csub\u003ex\u003c\/sub\u003e reflecting its variable Si:O ratio. Silicon monoxide has been widely used as a next-generation anode material in lithium-ion batteries, owing to its high theoretical capacity (2615 mAh\/g). When combined with carbon materials, silicon monoxide exhibits a sustained capacity of 577.7 mAh\/g after 100 cycles at a current density of 1 A\/g.\u003c\/p\u003e\n\u003cp\u003eThe performance of silicon monoxide can be further improved by forming a composite with ZnS and nitrogen-doped carbon. The resulting ZnS\/NC\/SiO composite achieves reversible capacity of 748 mAh\/g after 1000 cycles at 1.0 A\/g. Prelithiation of silicon monoxide can drastically improve the initial Coulombic efficiency from 66.9% to 91.2% in an LFP\/\/SiO cell configuration.\u003c\/p\u003e\n\n\u003cdiv class=\"row display-flex\"\u003e\n\u003cdiv class=\"col-xs-6 col-sm-4 col-md-3 margin-top text-center\"\u003e\n\u003cimg width=\"50\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon_Low_Cost.svg?v=1697194884\" loading=\"lazy\" height=\"50\" alt=\"Low price 409-21-2\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eLow Price\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003eAffordable battery R\u0026amp;D materials\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6 col-sm-4 col-md-3 text-center margin-top\"\u003e\n\u003cimg width=\"50\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon_Versitile.svg?v=1697195129\" loading=\"lazy\" height=\"50\" alt=\"Versatile cathode material\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eHigh performance\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003efor high-energy LIBs\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-md-3 text-center margin-top\"\u003e\n\u003cimg alt=\"Reliable worldwide shipping\" width=\"50\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/2D-Materials-Icons_-Free_ish_Shipping.svg\" loading=\"lazy\" height=\"50\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eWorldwide Shipping\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003eQuick and reliable shipping\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-md-3 text-center margin-top\"\u003e\n\u003cimg width=\"50\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/2D-Materials-Icons_-Purity.svg\" loading=\"lazy\" height=\"50\" alt=\"High purity 409-21-2\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eHigh Purity\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003e≥ 99%\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"product-information\"\u003eGeneral Information\u003c\/h2\u003e\n\u003chr\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eCAS Number\u003c\/th\u003e\n\u003ctd\u003e10097-28-6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eChemical Formula\u003c\/th\u003e\n\u003ctd\u003eSiO\u003csub\u003ex\u003c\/sub\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eFull Name\u003c\/th\u003e\n\u003ctd\u003eSilicon monoxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eMolecular Weight\u003c\/th\u003e\n\u003ctd\u003e44.08 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eSynonyms\u003c\/th\u003e\n\u003ctd\u003eSilicon oxide, silicon (II) oxide, SiO, oxosilicon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eClassification or Family\u003c\/th\u003e\n\u003ctd\u003eBattery materials, advanced ceramic materials, anode active materials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003chr\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003ePurity\u003c\/th\u003e\n\u003ctd\u003e≥ 99.99%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eParticle Size\u003c\/th\u003e\n\u003ctd\u003e1 – 4 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eAppearance\u003c\/th\u003e\n\u003ctd\u003eBrown to black powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eMSDS Documentation\u003c\/h2\u003e\n\u003chr\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/downloads.ossila.com\/msds\/silicon-monoxide-siox.pdf\" title=\"Silicon Monoxide MSDS Sheet\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg alt=\"Silicon Monoxide MSDS Sheet\" class=\"msds-icon\" height=\"38.672\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/0287\/files\/product-downloads-msds.svg\" width=\"30\"\u003eSilicon Monoxide MSDS Sheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch2\u003eReferences\u003c\/h2\u003e\n\u003chr\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cem\u003eAn ultrafast charge-driven topological intercalation prelithiation strategy for carbon-silicon composite anodes\u003c\/em\u003e, Y. Zhao et al., Adv. Sci., 12, e06636 (2025); DOI: 10.1002\/advs.202506636.\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003ePre-constructed mechano-electrochemical adaptive solid electrolyte interphase to enhance Li\u003csup\u003e+\u003c\/sup\u003e diffusion kinetics and interface stability for chemically prelithiated SiO anodes\u003c\/em\u003e, Z. Wang et al., Adv. Sci., 12, e15555 (2025); DOI: 10.1002\/advs.202515555.\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eTowards fundamental understanding of the heterogeneous multiphysics behaviors of silicon monoxide\/graphite composite anodes\u003c\/em\u003e, X. Gao et al., Carbon Energy., 6, e385 (2024); DOI: 10.1002\/cey2.385.\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\u003cdiv id=\"references\" class=\"expandable\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cem\u003eThe optimal microstructure of silicon monoxide as the anode for lithium-ion batteries\u003c\/em\u003e, L. Zhang et al., ACS Appl. Mater. Interfaces, 14 (46), 51965–51974 (2022); DOI: 10.1021\/acsami.2c15455.\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eSilicon monoxide anode co-modified with ZnS and nitrogen-doped carbon via facile synthesis: toward high-energy lithium-ion battery applications\u003c\/em\u003e, Y. Liu et al., ACS Omega, 10, 17642–17650 (2025); DOI: 10.1021\/acsomega.4c11551.\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eRevitalizing micro-sized Si-based anodes through advanced structural design and interface stabilization: a review\u003c\/em\u003e, L. Li et al., Small, 21, e06603 (2025); DOI: 10.1002\/smll.202506603.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cbutton type=\"button\" class=\"anchor expand-link\" data-expand-target=\"references\" data-toggle-text=\"Hide references\"\u003eView more references\u003c\/button\u003e\n\n\u003ch2 id=\"related-products\"\u003eRelated Products\u003c\/h2\u003e\n\u003chr\u003e\n\u003cp\u003eWe stock a wide range of battery materials available to purchase online. Please \u003ca title=\"Contact Us\" href=\"https:\/\/www.ossila.com\/pages\/contact-us\"\u003econtact us\u003c\/a\u003e if you cannot find what you are looking for.\u003c\/p\u003e\n\u003cdiv class=\"collection-container\"\u003e\n\u003cdiv class=\"collection-tile\"\u003e\n\u003ca href=\"https:\/\/www.ossila.com\/collections\/battery-materials\"\u003e\n\u003cdiv class=\"collection-button background-light-blue\"\u003e\n\u003cimg width=\"150\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/collection-link-battery-materials.png\" loading=\"lazy\" height=\"109.266\" alt=\"Battery materials\"\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Materials\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.ossila.com\/collections\/battery-materials\"\u003eBattery Materials\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"collection-tile\"\u003e\n\u003ca href=\"https:\/\/www.ossila.com\/collections\/battery-binders\"\u003e\n\u003cdiv class=\"collection-button background-light-blue\"\u003e\n\u003cimg width=\"150\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/battery-binders-collection-design.png\" loading=\"lazy\" height=\"109.266\" alt=\"Battery binder materials\"\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Binders\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.ossila.com\/collections\/battery-binders\"\u003eBattery Binders\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"collection-tile\"\u003e\n\u003ca href=\"\/collections\/materials\"\u003e\n\u003cdiv class=\"collection-button background-ossila-blue\"\u003e\n\u003cimg width=\"150\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/collection-link-popular-materials.png\" loading=\"lazy\" height=\"109.266\" alt=\"Popular and new material collection\"\u003e\n\u003cp\u003e\u003cstrong\u003ePopular Materials\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/materials\"\u003ePopular and New Materials\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Ossila","offers":[{"title":"100 g","offer_id":51963651621080,"sku":"M2704A1-100g","price":135.0,"currency_code":"USD","in_stock":true},{"title":"250 g","offer_id":51963651653848,"sku":"M2704A1-250g","price":315.0,"currency_code":"USD","in_stock":true},{"title":"500 g","offer_id":51963651686616,"sku":"M2704A1-500g","price":480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/0287\/files\/m2704a1-50g-vial-product-photo.jpg?v=1785853838","url":"https:\/\/www.ossila.com\/products\/silicon-monoxide-siox","provider":"Ossila","version":"1.0","type":"link"}