TFOA {3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluorooctyl acrylate, >98%} as Monomer for Gel Polymer Electrolyte, 25-100 g/bottle, CGPEMTFOA
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3,3,4,4,5,5,6,6,7,7,8,8,8-Tridecafluorooctyl acrylate (TFOA) is a highly specialized fluorinated monomer featuring a long perfluoroalkyl side chain (C6F13CH2CH2-). In advanced energy storage research, TFOA is heavily utilized as a functional monomer or co-monomer for Gel Polymer Electrolytes (GPEs) and in situ-polymerized ionogel/separator systems to engineer high-voltage stability, enhanced interfacial wetting, and superior safety profiles in lithium-metal and high-energy-density batteries.
Its main structural and functional features are: (1) Chemical Structure: An acrylic backbone tethered to a 6-carbon fluorinated hydrophobic tail via an ester linkage. (2) High Thermal & Electrochemical Stability: The dense shielding of carbon-fluorine (C–F) bonds provides exceptional resistance to oxidative decomposition at high voltages. (3) Low Surface Energy & Hydrophobicity: Imparts strong amphiphilic or fluorous characteristics to the polymer network, promoting unique micro-phase separation domains within the gel electrolyte. (4) Solubility: Readily soluble in common battery solvents (such as EC, DMC, EMC, and THF) and compatible with standard free-radical thermal or UV initiators (e.g., AIBN or BP).
The core advantages of TFOA as monomer for GPEs are: (1) Suppression of Parasitic Reactions & High-Voltage Shielding: Due to the electron-withdrawing inductive effect of the perfluoroalkyl groups, TFOA-based polymer chains exhibit a wide electrochemical stability window (frequently exceeding 4.8 V to 5.0 V vs. Li/Li+). This prevents electrolyte oxidation when paired with high-voltage cathodes (like high-nickel NCMs or high-voltage spinels). (2) In Situ Polymerization for Superior Interfacial Contact: TFOA can be blended directly into liquid organic electrolytes along with an initiator and infiltrated into porous separator matrices (such as polyacrylonitrile [PAN] or PVDF-HFP) or electrode pores. Upon mild thermal or UV activation, in situ polymerization locks the liquid electrolyte into a robust cross-linked 3D gel network, eliminating interfacial voids and drastically reducing interfacial resistance. (3) Fluorous-Rich Solid Electrolyte Interphase (SEI) Formation: The reductive cleavage of fluorinated segments on the polymer backbone contributes to the formation of an inorganic-rich, highly stable SEI and CEI layer containing lithium fluoride (LiF) and fluorophosphates. This protects both the lithium metal anode against dendrite growth and the cathode against transition metal dissolution.
| Part Number |
CGPEMTFOA (C-GPE-M-TFOA) |
| CAS |
17527-29-6 |
| Chemical Formula |
H2C=CHCO2CH2CH2(CF2)5CF3  |
| Molecular Weight |
418.15 g/mol |
| Density |
1.554 g/mL at 25 °C (lit.) |
| Boling Point |
76-80 °C |
| Storage Temperature |
2-8°C |
| Package Size | 25 g, 50 g, and 100 g/bottle |
Notes: Please try to store the TFOA monomer in a dry and low temperature (2-8°C) place.
References:
- M. 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
- H. 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