Arrhenius plot ≈ Arrhenius plot
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Thermal Stability of Ionic Liquids: Current Status and Prospects for Future Development Open
Ionic liquids (ILs) are the safest solvent in various high-temperature applications due to their non-flammable properties. In order to obtain their thermal stability properties, thermogravimetric analysis (TGA) is extensively used to analy…
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Effect of High Salt Concentration (HSC) on Structural, Morphological, and Electrical Characteristics of Chitosan Based Solid Polymer Electrolytes Open
Chitosan (CS) films doped with sodium triflate (NaTf) were prepared by the solution cast technique. The structural and morphological behaviors of the samples were examined by X-ray diffraction (XRD) and scanning electron microscopy (SEM) t…
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Effect of PVA Blending on Structural and Ion Transport Properties of CS:AgNt-Based Polymer Electrolyte Membrane Open
In this work, the role of poly(vinyl alcohol) (PVA) blending on structural and electrical properties of chitosan:silver nitrate systems is studied. The X-ray diffraction (XRD) results show that the crystalline phase of chitosan (CS) is gre…
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Modified Arrhenius Equation in Materials Science, Chemistry and Biology Open
The Arrhenius plot (logarithmic plot vs. inverse temperature) is represented by a straight line if the Arrhenius equation holds. A curved Arrhenius plot (mostly concave) is usually described phenomenologically, often using polynomials of T…
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<sup>1</sup>H NMR Shows Slow Phospholipid Flip-Flop in Gel and Fluid Bilayers Open
We measured the transbilayer diffusion of 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) in large unilamellar vesicles, in both the gel (Lβ') and fluid (Lα) phases. The choline resonance of headgroup-protiated DPPC exchanged into the o…
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Temperature Dependence of Rate Processes Beyond Arrhenius and Eyring: Activation and Transitivity Open
Advances in the understanding of the dependence of reaction rates from temperature, as motivated from progress in experiments and theoretical tools (e. g., molecular dynamics), are needed for the modeling of extreme environmental condition…
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Employing of Trukhan Model to Estimate Ion Transport Parameters in PVA Based Solid Polymer Electrolyte Open
In the current paper, ion transport parameters in poly (vinyl alcohol) (PVA) based solid polymer electrolyte were examined using Trukhan model successfully. The desired amount of lithium trifluoromethanesulfonate (LiCF3SO3) was dissolved i…
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Preparation and Characterization of PVA Alkaline Solid Polymer Electrolyte with Addition of Bamboo Charcoal Open
Natural bamboo charcoal (BC) powder has been developed as a novel filler in order to further improve performances of the polyvinyl alcohol (PVA)-based alkaline solid polymer electrolyte (ASPE) by solution casting method. X-ray diffraction …
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Service life prediction of AP/Al/HTPB solid rocket propellant with consideration of softening aging behavior Open
The aging behavior of softening composite solid propellant was investigated by measuring its mechanical and ballistic prosperities during prolonged storage at elevated and room temperatures. Accelerated aging was conducted at 65 °C for 231…
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Rethinking the Design of Ionic Conductors Using Meyer–Neldel–Conductivity Plot Open
From the discovery of the first fast ionic conductor silver iodide in the early 20th century to the recent discovery of lithium fast ionic conductors with ionic conductivities surpassing those of liquid electrolytes, high ionic conductivit…
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Connection between Phase Diagram, Structure and Ion Transport in Liquid, Aqueous Electrolyte Solutions of Lithium Chloride Open
The nature of structure and ion transport in liquid electrolyte solutions are still not fully understood over the whole concentration range. In this work, we have studied aqueous solutions of lithium chloride as a model salt due to its ver…
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Evaluating steam oxidation kinetics of environmental barrier coatings Open
Environmental barrier coatings (EBCs) are a commercially proven means of protecting SiC‐based materials in gas turbine environments. However, there are little specific data in the literature on the impact of coatings like Yb 2 Si 2 O 7 on …
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Studies of Structural, Dielectric, and Impedance Spectroscopy of KBT-Modified Sodium Bismuth Titanate Lead-Free Ceramics Open
[Image: see text] Lead-free ceramic materials produced from bismuth sodium titanate (Na(0.5)Bi(0.5)TiO(3), NBT)–bismuth potassium titanate (K(0.5)Bi(0.5)TiO(3), KBT) have been developed through a solid-state reaction technique. The structu…
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Removing the barrier to the calculation of activation energies: Diffusion coefficients and reorientation times in liquid water Open
General approaches for directly calculating the temperature dependence of dynamical quantities from simulations at a single temperature are presented. The method is demonstrated for self-diffusion and OH reorientation in liquid water. For …
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Mechanisms Controlling the Energy Barrier for Ion Hopping in Polymer Electrolytes Open
Here, the present work studies the mechanisms controlling the energy barrier for ion hopping in conducting polymers. Polymer electrolytes usually show Arrhenius-like temperature dependence of the conductivity relaxation time (characteristi…
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Experimental Confirmation of C-Rate Dependent Minima Shifts in Arrhenius Plots of Li-Ion Battery Aging Open
Li-ion batteries show a minimum of their aging rate at a certain temperature. This minimum in the corresponding Arrhenius plot expresses the longest cycle life at a certain C-rate. By characterizing aging of laboratory-made pouch cells and…
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Variational Flooding Study of a S<sub>N</sub>2 Reaction Open
We have studied the reaction dynamics of a prototypical organic reaction using a variationally optimized truncated bias to accelerate transitions between educt and product reactant states. The asymmetric SN2 nucleophilic substitution react…
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A Precious Catalyst: Rhodium‐Catalyzed Formic Acid Dehydrogenation in Water Open
The performance of rhodium complex [Cp*Rh(bis(pyrazol‐1‐yl)methane)Cl]Cl was evaluated for formic acid dehydrogenation in aqueous solution. Solid‐state X‐ray diffraction helped to confirm the catalyst structure. Multinuclear NMR spectrosco…
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Temperature dependence of methanol and the tensile strength of insulation paper: kinetics of the changes of mechanical properties during ageing Open
This paper reports the temperature-dependence of methanol generation and the tensile index under ageing conditions for two paper/oil systems: one consisting of a standard wood Kraft paper and the other of a thermally-upgraded Kraft paper (…
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Structural, impedance, dielectric and modulus analysis of LiNi 1-x-y-0.02 Mg 0.02 Co x Zn y O 2 cathode materials for lithium-ion batteries Open
Mg, Co and Zn co-substituted layer-structured cathode materials LiNiCoxZnyMg0.02O2 (x = y = 0.0, 0.02 and 0.04) were prepared by a solid-state reaction method. The materials were systematically characterized by X-ray diffraction (XRD), fie…
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Insights into Reaction Kinetics in Confined Space: Real Time Observation of Water Formation under a Silica Cover Open
We offer a comprehensive approach to determine how physical confinement can affect the water formation reaction. By using free-standing crystalline SiO2 bilayer supported on Ru(0001) as a model system, we studied the water formation reacti…
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Aging Mechanism For Calendar Aging of Li-Ion Cells With Si/Graphite Anodes Open
Calendar aging of Li-ion batteries with Si/graphite electrodes was investigated within this study. A total of 121 single-layer pouch full cells with either graphite or Si/graphite (3.0 wt−%, 5.8 wt−% and 20.8 wt−% Si) anodes and NMC622 cat…
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EIS and FTIR approaches to study the ion transport parameters and relaxation dynamics of Na+1 ion in SPE based on MC polymer inserted with sodium salt Open
In this work deep insights on ion transport parameters based on EIS and FTIR were presented. MC based biopolymer was used as the host material to prepare solid polymer electrolyte (SPE). The XRD equipment was used to study the structural c…
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Investigation on structural, dielectric and ferroelectric properties of samarium-substituted BiFeO<sub>3</sub>–PbTiO<sub>3</sub> composites Open
The polycrystalline samples of 0.8BiSm x Fe[Formula: see text]O 3 –0.2PbTiO 3 ([Formula: see text] and 0.20) were prepared by using the conventional solid-state reaction technique and sintered at high temperature (850[Formula: see text]C).…
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Optimizing the Proton Conductivity with the Isokinetic Temperature in Perovskite‐Type Proton Conductors According to Meyer–Neldel Rule Open
Perovskite‐type metal oxides such as Y‐doped BaMO 3 (M = Zr/Ce) have drawn considerable attention as proton‐conducting electrolytes for intermediate temperature ceramic electrochemical cells. Improving the proton conductivity at lower temp…
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Simple Accurate Verification of Enthalpy‐Entropy Compensation and Isoequilibrium Relationship Open
In many experimental investigations of thermodynamic equilibrium or kinetic properties of series of similar reactions it is found that the enthalpies and entropies derived from Van ′t Hoff or Arrhenius plots exhibit a strong linear correla…
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One-pot hydrothermal synthesis and fabrication of kesterite Cu 2 ZnSn(S,Se) 4 thin films Open
Kesterite Cu2ZnSn(S,Se)4 (CZTSSe) powder was synthesized by a hydrothermal process. The thin films were fabricated by physical vapor deposition of CZTSSe powder followed by a thermal annealing process. The kesterite microstructure was iden…
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Application of carbonized cellulose-based catalyst in nitrobenzene hydrogenation Open
Carbonized cellulose catalyst support was prepared and decorated with 5 wt% Pd nanoparticles using an impregnation method. According to the SEM images, the carbonized cellulose catalyst support kept its original fibrous structure with an a…
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PREDICTING POLYMER DEGRADATION AND MECHANICAL PROPERTY CHANGES FOR COMBINED RADIATION-THERMAL AGING ENVIRONMENTS Open
A new approach is presented for conducting and extrapolating combined environment (radiation plus thermal) accelerated aging experiments. The method involves a novel way of applying the time-temperature-dose rate ( t-T-R ) approach derived…
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The inhibitory action of Bauhinia purpurea extracts on the corrosion of carbon steel in sulfuric acid medium Open
The inhibitory effect of Bauhinia purpurea (Fabaceae) extract was studied in the corrosion of carbon steel in 1.0 mol∙L-1 sulfuric acid solution. This plant was collected from the Brazilian rainforest. The carbon steel protection was obser…