{"product_id":"cbesatmee","title":"TMEE {1,1,1-Trifluoro-2-(2-methoxyethoxy)ethane, \u003e99.0%} as Battery Electrolyte Co-Solvent and Additive, 5-25 g\/bottle, CBESATMEE","description":"\u003cp\u003e\u003cb class=\"\"\u003e\u003cspan class=\"citation-1049\"\u003e1,1,1-Trifluoro-2-(2-methoxyethoxy)ethane\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-1049\"\u003e (commonly designated as \u003c\/span\u003e\u003cb class=\"\"\u003e\u003cspan class=\"citation-1049\"\u003eTMEE\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-1049 citation-end-1049\"\u003e) is an advanced fluorinated asymmetric ether engineered as a high-performance solvent, co-solvent, and interphase-directing electrolyte component for next-generation high-energy and fast-charging lithium-metal batteries.\u003c\/span\u003e\u003cspan class=\"\"\u003e By introducing a terminal trifluoromethyl group onto an ethylene glycol monomethyl ether backbone,\u003c\/span\u003e\u003cspan class=\"\"\u003e TMEE bridges the high solvating power of traditional glymes with the exceptional electrochemical and interfacial stability of fluorinated media.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIts functional roles in electrolyte engineering are: (1) \u003cstrong\u003eOptimized Ionic Transport \u0026amp; Fast-Charging Kinetics\u003c\/strong\u003e: TMEE facilitates rapid ion transport and high bulk ionic conductivity, supporting fast-charging requirements without introducing excessive interfacial resistance.  (2) \u003cstrong\u003eFluorine-Rich Solid Electrolyte Interphase (SEI) Passivation\u003c\/strong\u003e: Due to its tailored reduction potential, TMEE participates in early-stage electrochemical reduction, driving the formation of a dense, inorganic-rich Solid Electrolyte Interphase (SEI) heavily enriched with lithium fluoride (LiF) on lithium metal anodes to suppress dendrite propagation. (3) \u003cstrong\u003eHigh-Voltage Anodic Stability\u003c\/strong\u003e: The electron-withdrawing inductive effect of the terminal trifluoromethyl group suppresses premature oxidative decomposition, allowing the electrolyte to maintain stability when paired with high-cutoff-voltage transition metal oxide cathodes.\u003c\/p\u003e\n\u003cp\u003eThe primary electrochemical domains are: (1) \u003cstrong\u003eHigh-Energy and Fast-Charging Lithium-Metal Batteries (LMBs)\u003c\/strong\u003e: Integrated into concentrated or localized electrolyte configurations (such as paired with high-concentration LiFSI), enabling exceptional Coulombic efficiencies, stable stripping\/plating behavior, and high retention rates under rapid C-rate testing. (2) \u003cstrong\u003eHigh-Voltage Full Cells\u003c\/strong\u003e: Utilized in formulations coupled with nickel-rich layered oxide cathodes (such as NMC811) operating above 4.3 V to prevent parasitic oxidative breakdown and transition-metal dissolution.\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"width: 100%; height: 239.325px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 33.7019%; height: 35.6px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9772%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003eCBESATMEE (C-BESA-TMEE)\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: 33.7019%; height: 35.6px;\"\u003e\u003cem\u003eCAS\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9772%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e123525-89-3\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 57.725px;\"\u003e\n\u003ctd style=\"width: 33.7019%; height: 57.725px;\"\u003e\u003cem\u003eChemical Formula\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9772%; height: 57.725px;\"\u003e\n\u003cp\u003e\u003cspan\u003eC\u003c\/span\u003e\u003csub\u003e5\u003c\/sub\u003e\u003cspan\u003eH\u003c\/span\u003e\u003csub\u003e9\u003c\/sub\u003e\u003cspan\u003eF\u003c\/span\u003e\u003csub\u003e3\u003c\/sub\u003e\u003cspan\u003eO\u003c\/span\u003e\u003csub\u003e2\u003c\/sub\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CBESATMEE_Structure_100x100.jpg?v=1789935391\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 33.7019%; height: 35.6px;\"\u003e\u003cem\u003eAppearance\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9772%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003eColorless liquid\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: 33.7019%; height: 35.6px;\"\u003e\n\u003cstrong\u003e \u003c\/strong\u003e\u003cem\u003ePurity\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 65.9772%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u0026gt;99.0%\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: 33.7019%; height: 19.6px;\"\u003e\u003cem\u003eMolecular Weight\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9772%; height: 19.6px;\"\u003e\u003cspan\u003e158.12 g\/mol\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 33.7019%; height: 19.6px;\"\u003e\u003cem\u003ePackage Size\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.9772%; height: 19.6px;\"\u003e\u003cspan\u003e5 g, 10 g, and 25 g\/bottle\u003c\/span\u003e\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 store the TMEE liquid in the dry place (glovebox is the best).\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:\/\/www.nature.com\/articles\/s41467-023-36793-6\"\u003eG. Zhang, et al. A monofluoride ether-based electrolyte solution for fast-charging and low-temperature non-aqueous lithium metal batteries, Nature Communications, 2023, 14, 1081\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/pubs.rsc.org\/ta\/article-abstract\/12\/5\/2986\/831983\/Impact-of-the-fluorination-degree-of-ether-based\"\u003e\u003cspan\u003eY. Lin, et al. Impact of the fluorination degree of ether-based electrolyte solvents on Li-metal battery performance, J. Mater. Chem. A (2024) 12 (5): 2986–2993.\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"CHEMFISH","offers":[{"title":"5 g","offer_id":48415161975014,"sku":"CBESATMEE5","price":109.0,"currency_code":"USD","in_stock":true},{"title":"10 g","offer_id":48415162007782,"sku":"CBESATMEE10","price":199.0,"currency_code":"USD","in_stock":true},{"title":"25 g","offer_id":48415162040550,"sku":"CBESATMEE25","price":359.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CBESATMEE_main.jpg?v=1789935391","url":"https:\/\/echemsupplies.com\/products\/cbesatmee","provider":"EChem Supplies","version":"1.0","type":"link"}