Ion Pairing: From Water Clusters to the Aqueous Bulk
Aug 14, 2014 · The potentials of mean force (PMF) were derived for the full set of alkali halide ion pairs, and in each case, different parameter sets were tested for modeling both the water and the ions. Altogether, 300 different PMFs were compared.
Dominant Solvent-Separated Ion Pairs in Electrolytes Enable …
Mar 11, 2024 · The low ionic conductivities of aprotic electrolytes hinder the development of extreme fast charging technologies and applications at low temperatures for lithium-ion batteries (LIBs). Herein, we present an electrolyte with LiFSI in acetone (DMK).
Anion-derived contact ion pairing as a unifying principle for ...
LHCEs utilize a non-coordinating solvent, often referred to as a diluent, in addition to a high-concentration, salt-directed ion-pairing constituent to lower the formal concentration of the full electrolyte while (ideally) preserving the CIP structure of the salt-directed ion-pairing constituent.
1.16.1: Ion Association - Chemistry LibreTexts
May 20, 2024 · Ion Pair Association Constants. The analysis leading to equation (h) is based on concentrations of salts in solution. Therefore the equilibrium between ions and ion pairs is described using concentration units.
Water-Mediated Ion Pairing: Occurrence and Relevance
May 6, 2016 · Instead, for many salt solutions and their interfaces, the measured and calculated structure and dynamics reveal the presence of a distinct concentration of contact ion pairs (CIPs), solvent shared ion pairs (SIPs), and solvent-separated ion pairs (2SIPs).
Ion pairing and counterion condensation in aqueous electrolyte …
May 15, 2007 · Moreover, according to the relative strength of the (poly) ion–water and (poly) ion–counterion interactions, the ion-pair formation and/or counterion condensation could proceed as either contact or solvent-shared ion pairs as we will illustrate below.
Theoretical Insights into Specific Ion Effects and Strong‐Weak Acid ...
Dec 2, 2020 · Visual representation of solvent and ion conditions which maximize the solvation energy in terms of most stable ion pairs. Notably, only a variation of the anion for given solvent and cation values as well as the variation of the solvent for given ion pairs results in maximum solvation energies.
Patterned Ion‐Pair Membrane for High‐Temperature …
a–e) Schematic illustrations of (a) the solvent-spraying process for partially dissolving a hydrocarbon-based membrane surface; (b) the patterning process using a plasma-treated, pyramid-patterned, gas-permeable PDMS mold; (c) the PA-doping process for the ion-pair membrane; (d) the decal transfer process with a patterned ion-pair membrane and a catalyst layer containing protonated ...
Solvent Shared Ion Pairs and Direct Contacted Ion Pairs in LiCl …
Dec 5, 2023 · However, whether solvent shared ion pairs and the direct contact ion pairs exist in aqueous LiCl solutions or not, and the details about these ion pairs are still under debate. Here, we proposed a novel IR ratio method.
Ion–solvent chemistry in lithium battery electrolytes: From mono ...
Jul 1, 2021 · Herein, the ion–solvent chemistry is developed from mono-solvent to multi-solvent complexes to probe the solvation structure and the redox stability of practical electrolytes.