Ion transport in high temperature rotator phase solid electrolytes

Poisson’s ratio of orientationally disordered hard dumbbell crystal in three dimensions

“…The rotator phase was experimentally observed both in organic [3,4] and inorganic [5] compounds. Studies of this phase allow one to better understand the crystallization process in soft materials [4] and the phenomena of ionic transport [5,6]. It should be stressed that the existence of various solid phases is not restricted to complex, polyatomic molecules.…”

Self‐Assembled Polymeric Ionic Liquid‐Functionalized Cellulose Nano‐crystals: Constructing 3D Ion‐conducting Channels Within Ionic Liquid‐based Composite Polymer Electrolytes

“…It is apparent that the conductivity of IL(LiTFSI)/PIL‐fOCNC mixtures are slightly increased with PIL‐fOCNC contents from 1 to 5 wt.% and significantly increased at ≥10 wt.% PIL‐fOCNC contents, while obvious changes in viscosity are observed by adding PIL chains at 5 wt.% PIL content. Figure (a)shows the temperature dependence of the viscosities in accordance to the Vogel–Tammann–Fulcher (VFT) equation, = η 0 exp[ E aη / K B ( T − T 0η )], in which η 0 is a constant, T 0η is thermodynamic Kauzmann temperature, K B Boltzmann constant and E aη activation energy; the resulting E aη as a function of PIL or PIL‐fOCNC is shown in Figure (c). It is interesting that the E aη is 9.3×10 −21 J for IL(LiTFSI), slightly increases with a ≤5 wt.% PIL‐fOCNC content; however, it decreases with increasing PIL‐fOCNC content, reaching 2.4×10 −21 J with a PIL‐fOCNC content of 20 wt.%.…”

“…The temperature dependence of ionic conductivity ( σ ) on the IL(LiTFSI), IL(LiTFSI)/PIL and IL(LiTFSI)/PIL‐fOCNC electrolytes is shown in Figure (b); experimental data have been fitted with the VFT equation, σ=σ 0 T −1/2 exp[− β σ/( T − T 0σ )], in which σ 0 (mS cm −1 K 1/2 ), β σ (K) and T 0 σ are adjustable parameters; the resulting E aσ as a function of PIL or PIL‐fOCNC is shown in Figure (c). The trend in ionic conductivity shows an anticorrelation with respect to electrolyte viscosity [Figure (a)].…”

“…10 wt.%P IL-fOCNC contents,w hile obvious changes in viscosity are observed by adding PIL chains at 5wt.% PIL content. Figure 5(a)shows the temperature dependence of the viscosities in accordance to the Vogel-Ta mmann-Fulcher( VFT) equation, [23]…”

Synergy of Single‐ion Conductive and Thermo‐responsive Copolymer Hydrogels Achieving Anti‐Arrhenius Ionic Conductivity

“…Then as light amount of AMPSLi was used as aL i + source and copolymerized with NIPAm for synthesizing a single-ionic conducting P(NIPAm-co-AMPSLi)h ydrogels. [20] The schematic illustration of preparation and temperature-responsive mechanism of P(NIPAm-co-AMPSLi)h ydrogels were depicted in Scheme 1a.T he obtainedP (NIPAm-co-AMPSLi)h ydrogels were flexible and robust, indicative of good mechanic properties (Scheme 1b,c). Figure 1i llustrated thermo-responsive volume phase transition of P(NIPAm-co-1%AMPSLi)h ydrogels.…”