{"product_id":"cgpefmtfema","title":"TFEMA {2,2,2-Trifluoroethyl methacrylate, or TFMA, \u003e99.0%} as Fluorinated Monomer for Gel Polymer Electrolyte, 50-200 g\/bottle, CGPEFMTFEMA","description":"\u003cp\u003e2,2,2-Trifluoroethyl methacrylate (TFMA) is a short-chain fluorinated methacrylate monomer (CF3CH2OCOC(CH3=CH2) widely utilized in advanced Gel Polymer Electrolytes (GPEs) and in situ polymerized battery systems. Unlike long perfluoroalkyl tail monomers like TFOA, TFMA offers a compact fluorinated ester group that strikes an optimal balance between high-voltage oxidative stability, low viscosity, and excellent compatibility with standard carbonate liquid electrolytes.\u003c\/p\u003e\n\u003cp\u003eIts main structural and functional features are: (1) \u003cstrong\u003eChemical Structure\u003c\/strong\u003e: A methacrylic backbone featuring a pendant 2,2,2-trifluoroethyl ester group. The shorter CF3 moiety lowers steric hindrance compared to long-chain fluorinated acrylics, promoting faster and more uniform polymerization kinetics. (2) \u003cstrong\u003eThermal \u0026amp; Electrochemical Stability\u003c\/strong\u003e: The electron-withdrawing CF3 group significantly raises the LUMO\/HOMO energy levels, widening the electrochemical window (\u0026gt; 4.7 V vs. Li\/Li+) and suppressing oxidative degradation at high charge potentials. (3) \u003cstrong\u003eSolubility \u0026amp; Miscibility\u003c\/strong\u003e: Highly miscible with standard battery aprotic solvents (EC, PC, DMC, EMC, DEC) and lithium salts (LiPF6, LiTFSI, LiFSI), making it ideal for formulating homogeneous in situ gel precursor solutions.\u003c\/p\u003e\n\u003cp\u003eThe core advantages of TFMA as monomer for GPEs are: (1) \u003cstrong\u003eEnhanced Ionic Conductivity \u0026amp; Low Viscosity\u003c\/strong\u003e: Because of its compact molecular footprint and lower molecular weight than long-chain fluorinated monomers, TFMA-based polymer networks maintain higher segmental mobility and superior liquid electrolyte retention. This prevents excessive viscosity build-up and ensures high room-temperature ionic conductivity (\u0026gt; 10^{-3} S\/cm when gelled with standard organic liquid electrolytes). (2) \u003cstrong\u003eRobust In Situ Thermal\/UV Polymerization\u003c\/strong\u003e: TFMA readily undergoes radical polymerization via thermal initiators (such as AIBN or BPO) or UV light (with photoinitiators like Irgacure 2959 or TPO). In in situ cell assembly, the liquid precursor infiltrates the porous separator and electrode pores before curing into a dimensionally stable gel network that eliminates interfacial resistance. (3)\u003cstrong\u003e Inorganic-Rich SEI \/ CEI Formation (LiF Generation)\u003c\/strong\u003e: During initial electrochemical formation cycles, the trifluoroethyl groups reductively decompose at the lithium metal or high-voltage cathode interface, contributing to a compact, stable, and fluorine-rich passivation layer (featuring robust LiF nanocrystals). This suppresses lithium dendrite penetration and mitigates transition-metal dissolution.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 407.45px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 47.6875px;\"\u003e\n\u003ctd style=\"width: 28.0576%; height: 47.6875px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.5827%; height: 47.6875px;\"\u003e\n\u003cp\u003e\u003cspan\u003eCGPEFMTFEMA (C-GPE-FM-TFEMA)\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: 28.0576%; height: 35.6px;\"\u003e\u003cem\u003eCAS\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.5827%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e352-87-4\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 155.725px;\"\u003e\n\u003ctd style=\"width: 28.0576%; height: 155.725px;\"\u003e\u003cem\u003eChemical Formula\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.5827%; height: 155.725px;\"\u003e\n\u003cp\u003e\u003cspan\u003eH\u003c\/span\u003e\u003csub\u003e2\u003c\/sub\u003e\u003cspan\u003eC=C(CH\u003c\/span\u003e\u003csub\u003e3\u003c\/sub\u003e\u003cspan\u003e)CO\u003c\/span\u003e\u003csub\u003e2\u003c\/sub\u003e\u003cspan\u003eCH\u003c\/span\u003e\u003csub\u003e2\u003c\/sub\u003e\u003cspan\u003eCF\u003c\/span\u003e\u003csub\u003e3\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\/CGPEFMTFMA_Structure_160x160.jpg?v=1792829885\" 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: 28.0576%; height: 35.6px;\"\u003e\u003cem\u003eMolecular Weight\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.5827%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e168.11 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: 28.0576%; height: 35.6px;\"\u003e\u003cem\u003eDensity\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.5827%; height: 35.6px;\"\u003e\n\u003cp\u003e1.181 g\/mL at 25 °C (lit.)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 28.0576%; height: 35.6px;\"\u003e\u003cem\u003eBoling Point\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.5827%; height: 35.6px;\"\u003e\n\u003cp\u003e59 °C\/100 mmHg (lit.)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 28.0576%; height: 35.6px;\"\u003e\u003cem\u003eStorage Temperature \u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.5827%; height: 35.6px;\"\u003e\n\u003cp\u003e2-8°C\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.0375px;\"\u003e\n\u003ctd style=\"width: 28.0576%; height: 26.0375px;\"\u003e\u003cem\u003ePackage Size\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.5827%; height: 26.0375px;\"\u003e50 g, 100 g, and 200 g\/bottle\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 TFEMA monomer in a dry and low temperature (2-8°C) place. \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:\/\/onlinelibrary.wiley.com\/doi\/full\/10.1002\/anie.202513450\"\u003e\u003cspan\u003eM. Li, et al. Balancing Solvation Ability of Polymer and Solvent in Gel Polymer Electrolytes for Efficient Lithium Metal Batteries, Angew Chem Int Ed., 2025, 64, e202513450\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0378775324011418\"\u003eH. Li, et al. In situ construction of 3D crossing-linked gel polymer electrolyte toward high performance and safety lithium metal batteries, Journal of Power Sources, 2024, 618, 235189\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"MKL","offers":[{"title":"50 g","offer_id":67842982936806,"sku":"CGPEFMTFEMA50","price":69.0,"currency_code":"USD","in_stock":true},{"title":"100 g","offer_id":67842982969574,"sku":"CGPEFMTFEMA100","price":119.0,"currency_code":"USD","in_stock":true},{"title":"200 g","offer_id":67842983002342,"sku":"CGPEFMTFEMA200","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CGPEFMTFEMA_main.jpg?v=1792830131","url":"https:\/\/echemsupplies.com\/products\/cgpefmtfema","provider":"EChem Supplies","version":"1.0","type":"link"}