{"product_id":"cbssepcli","title":"Lithium Iodide (LiI, Anhydrous, 99.9%) Precursor Powder for Sulfide \u0026 Halide Solid-State Electrolyte Synthesis, 25 or 50 g\/bottle, CBSSEPCLI","description":"\u003cp\u003eLithium iodide (LiI) is a vital precursor for incorporating heavy halide anions into sulfide-based solid-state electrolytes. It is primarily utilized in synthesizing iodide-doped argyrodites (e.g., Li6PS5I), high-conductivity glass-ceramics (such as 70Li2S * 30P2S5 doped with LiI), and multi-anion sulfide systems. The large, highly polarizable iodide anion (I-) expands the unit cell volume of the sulfide framework, softens the lattice, and weakens the electrostatic binding energy between Li+ ions and the anion framework. This significantly lowers the activation energy for lithium migration, pushing room-temperature ionic conductivities to impressive levels\u003c\/p\u003e\n\u003cp\u003eThe role of LiI depends fundamentally on the structural nature of the host sulfide matrix: (1) \u003cstrong\u003eIn Amorphous\/Glassy Sulfides (e.g., Li2S-P2S5-LiI)\u003c\/strong\u003e. In traditional binary sulfide glasses, LiI acts as a structural modifier. It does not form a covalent part of the PS4^{3-} network. Instead, LiI dissolves into the interstitial spaces of the amorphous glass matrix. The highly polarizable I- ions \"open up\" the local free volume of the glass, creating wide, smooth pathways for rapid Li+ hopping without requiring a high-temperature crystallization step. (2) \u003cstrong\u003eIn Crystalline Argyrodites (e.g., Li6PS5I)\u003c\/strong\u003e. In the cubic argyrodite lattice, the large ionic radius of I- alters the structural symmetry. Unlike Li6PS5Cl and Li6PS5Br—which exhibit high {S}^{2-}\/X- site disorder—the large size of the I- ion forces it to remain strictly ordered, occupying the specific 4a Wyckoff site. This complete structural order can sometimes restrict certain intra-cage hopping pathways, meaning pure iodide argyrodites occasionally exhibit lower room-temperature ionic conductivity than their bromide counterparts unless engineered via multi-anion mixing (e.g., Li6PS5Cl(1-x)Ix).\u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 296.087px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 46.8875px;\"\u003e\n\u003ctd style=\"width: 30.5755%; height: 46.8875px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.0647%; height: 46.8875px;\"\u003e\n\u003cp\u003e\u003cspan\u003eCBSSEPCLI (C-BSSE-PC-LI)\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: 30.5755%; height: 35.6px;\"\u003e\u003cem\u003eCAS\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.0647%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e10377-51-2\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: 30.5755%; height: 35.6px;\"\u003e\u003cem\u003ePurity\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.0647%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u0026gt;99.9%\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: 30.5755%; height: 35.6px;\"\u003e\u003cem\u003eMolecular Weight\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.0647%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e133.85 g\/mol\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: 30.5755%; height: 35.6px;\"\u003eWater Level\u003c\/td\u003e\n\u003ctd style=\"width: 69.0647%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u0026lt;0.005 wt% (battery grade, anhydrous)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 30.5755%;\"\u003eMelt Point\u003c\/td\u003e\n\u003ctd style=\"width: 69.0647%;\"\u003e\n\u003cp\u003e\u003cspan\u003e446 °C(lit.)\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: 30.5755%; height: 35.6px;\"\u003eBoling Point\u003c\/td\u003e\n\u003ctd style=\"width: 69.0647%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e1171 °C\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: 30.5755%; height: 35.6px;\"\u003eDensity\u003c\/td\u003e\n\u003ctd style=\"width: 69.0647%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e3.49 g\/mL at 25 °C(lit.)\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: 30.5755%; height: 35.6px;\"\u003ePackage Grade\u003c\/td\u003e\n\u003ctd style=\"width: 69.0647%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e25 g or 50 g\/bottle\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\u003cspan\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e: Please store the LiI powder in a dry place (glovebox is preferred due to its air\/humidity sensitivity).\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.acs.org\/doi\/abs\/10.1021\/acsami.5c07580\"\u003eS. Wang, et al. An Iodide-Chloride Solid Electrolyte Compatible with Lithium Metal for All-Solid-State Lithium Batteries, ACS Appl. Mater. Interfaces 2025, 17, 31, 44430–44439\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acsnano.4c15005\"\u003eC. Li, et al. Building a Better All-Solid-State Lithium-Ion Battery with Halide Solid-State Electrolyte, \u003cspan class=\"cit-title\"\u003e\u003ci\u003eACS Nano\u003c\/i\u003e\u003c\/span\u003e \u003cspan class=\"cit-year-info\"\u003e2025\u003c\/span\u003e\u003cspan class=\"cit-volume\"\u003e, 19\u003c\/span\u003e\u003cspan class=\"cit-issue\"\u003e, 4\u003c\/span\u003e\u003c\/a\u003e\u003cspan class=\"cit-pageRange\"\u003e\u003ca href=\"https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acsnano.4c15005\"\u003e, 4121–4155\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"MKL","offers":[{"title":"25 g","offer_id":47751218626790,"sku":"CBSSEPCLI25","price":99.0,"currency_code":"USD","in_stock":true},{"title":"50 g","offer_id":47751218659558,"sku":"CBSSEPCLI50","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CBSSEPCLI_main.png?v=1780767363","url":"https:\/\/echemsupplies.com\/products\/cbssepcli","provider":"EChem Supplies","version":"1.0","type":"link"}