Comparison of LiTDI and LiPDI salts and influence of their perfluoroalkyl side-chain on association and electrochemical properties in triglyme was written by Broszkiewicz, Marek;Zalewska, Aldona;Niedzicki, Leszek. And the article was included in Ionics in 2019.HPLC of Formula: 112-49-2 This article mentions the following:
For the first time, the effect of minor structural changes to the electrolyte salt on solution properties is investigated exptl. It was achieved by decomposition of the overall changes into individual components. It allowed to obtain information on the contradicting effects influence on the final result. This study is focused on comparison of two lithium salts: lithium 4,5-dicyano-2-(trifluoromethyl) imidazolide (LiTDI) and lithium 4,5-dicyano-2-(pentafluoroethyl) imidazolide (LiPDI). LiTDI is a very promising salt for lithium-ion battery application. PDI– anion differs from TDI– only in length of perfluorinated alkyl chain. Triethylene glycol di-Me ether (triglyme) solutions of both salts in a wide range of concentrations were prepared Triglyme was chosen as a solvent due to number of oxygen atoms which allows for fulfilment of lithium cation coordination sphere. Use of such similar salts in a model system allows us to find the correlation between salt structure and properties of electrolyte. Conductivity, viscosity, lithium transference number, thermal properties and FTIR spectra were measured for all solutions Ionic fractions were also estimated by Fuoss-Kraus formalism. Obtained results showed that electrochem. properties of electrolyte are result of several opposing factors. Transference numbers are mostly dependent on association We have also observed interesting correlation between thermal properties and conductivity In the experiment, the researchers used many compounds, for example, 2,5,8,11-Tetraoxadodecane (cas: 112-49-2HPLC of Formula: 112-49-2).
2,5,8,11-Tetraoxadodecane (cas: 112-49-2) belongs to ethers. Ether is less polar than esters, alcohols or amines because of the oxygen atom that is unable to participate in hydrogen bonding due to the presence of bulky alkyl groups on both sides of the oxygen atom. Ethers can form hydrogen bonds with other molecules (alcohols, amines, etc.) that have O―H or N―H bonds. The ability to form hydrogen bonds with other compounds makes ethers particularly good solvents for a wide variety of organic compounds and a surprisingly large number of inorganic compounds.HPLC of Formula: 112-49-2
Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem