WebMar 24, 2015 · The preparation of bis(2,2,2-trifluoroethyl) 2-oxoalkylphosphonates by the acylation of bis(2,2,2-trifluoroethyl) methylphosphonate was re-investigated using esters rather than the sensitive acyl ... WebFeb 5, 2024 · The proposed fluorinated phosphate electrolyte, 0.8 M LiPF 6 /tris(2,2,2-trifluoroethyl) phosphate (TFEP) + 5 vol% fluoroethylene carbonate (FEC) + 5 vol% vinylene carbonate (VC), is not only completely nonflammable but also exhibits excellent oxidative/reductive stability on 0.35Li 2 MnO 3 ·0.65LiNi 0.5 Mn 0.5 O 2 cathode and Si …
Electrolytes for stable cycling of high capacity lithium based ...
WebMay 1, 2014 · A novel fluorinated alkyl phosphonate - bis(2,2,2-trifluoroethyl) methylphosphonate (TFMP) were synthesized as flame retardant to reduce the flammability of the electrolyte with minimal impact on ... WebMay 20, 2014 · Bis(2,2,2-trifluoroethyl) methylphosphonate (TFMP) as a flame-retardant additive, was synthesized based on the previous report. [17] , [18] A typical experiment is as follows ( Scheme 1 ): 37 ml (0.5 mol) thionyl chloride was slowly added to the mixture of 24.8 g (0.2 mol) dimethyl methyl phosphonate (DMMP) and 0.12 ml dimethyl … cylon ride
Methyl P,P-bis(2,2,2-trifluoroethyl)phosphonoacetate 95 …
WebSep 5, 2024 · Application of bis(2,2,2-trifluoroethyl) 2-oxoalkylphosphonate reagents made the Horner-Wadsworth-Emmons reactions suitable for the formation of not only E- but Z-unsaturated enones. By this modification, the synthesis of the geometric isomers can be performed by similar reactions. WebAug 19, 2015 · The preparation of bis(2,2,2-trifluoroethyl) 2-oxoalkylphosphonates by the acylation of bis(2,2,2-trifluoroethyl) methylphosphonate was re-investigated using esters rather than the sensitive acyl chlorides. Based on our optimization, the best results were achieved when the base ... WebAug 21, 2024 · The fluorinated phosphate, lithium bis(2,2,2-trifluoroethyl)phosphate (Li[O 2 P(OCH 2 CF 3) 2], also referred to as LiBFEP; see E in Scheme 1) has been used as a coordination-polymer-based gel electrolyte in our recent work. 32 LiBFEP forms a viscous gel in EC/DMC (1/1 g:g) at 0.5 M with a rather low conductivity of 41.8 μS·cm −1 at room ... cylon wolf 2022