The pre-exponential factor in the Arrhenius equation depends on temperature
Physical chemistry and materials science literature consistently demonstrate that the pre-exponential factor in the Arrhenius equation can exhibit temperature dependence, often manifesting through compensation effects or complex multi-step reaction kinetics.
The retrieved literature contains multiple studies investigating temperature-dependent Arrhenius parameters where the pre-exponential factor varies or is modeled as a function of temperature. There are no refuting papers.
E. Ike. The study of viscosity-temperature dependence and activation energy for palm oil and soybean oil. 2019. https://doi.org/10.4314/gjpas.v25i2.11
Paper 0 explicitly models the relationship between Arrhenius parameters, including temperature and the pre-exponential factor.
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Y. Vorobyov, A. Yakubov, A. Ermachikhin. Temperature dependence of Ge2Sb2Te5 conductivity and its change during aging. 2020. https://doi.org/10.1088/1757-899X/889/1/012032
Paper 1 interprets changes in conductivity through an Arrhenius model where both the activation energy and pre-exponential factor exhibit temperature dependence.
Fingerhut J, Snitkoff-Sol RZ, Albers M, Vos RE, van der Heijden O, Koper MTM. Compensation effects between the apparent activation energy and pre-exponential factor in simple models of electrocatalytic hydrogen evolution.. 2026. https://doi.org/10.1039/d5fd00163c
Paper 3 analyzes temperature-dependent electrocatalytic kinetics that yield apparent compensation effects linking the pre-exponential factor to thermal variations.
Silva Olaya AR, Druce J, Gisbert-Gonzalez JM, Ortega E, Roldan Cuenya B, Oener SZ. Pressure and bias dependence of the rate-limiting steps of the oxygen reduction reaction.. 2025. https://doi.org/10.1038/s41467-025-67494-x
Paper 4 performs bias- and temperature-dependent Arrhenius analyses showing how apparent activation energies and pre-exponential factors shift across rate-limiting steps.
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