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Interdependence Of Salt Concentration And Filler Particles On Crystallinity And Mechanical Behavior Of Peo-Litfsi Electrolytes For Lithium-Ion Batteries, Valeria Perez
Master's Theses
Developing composite polymer electrolytes is crucial for enhancing the safety, energy density, and performance of lithium-ion batteries. While it is widely accepted that introducing filler particles in PEO-based electrolytes can reduce crystallinity and enhance ionic conductivity, this conventional understanding applies primarily to electrolytes with high lithium salt concentrations. The hypothesis of this investigation is that the crystallinity change induced by LLZTO ceramic particles in PEO-LiTFSI electrolytes is contingent on the EO:Li molar ratio. This hypothesis is interrogated by measuring changes in crystallinity, spherulite morphology, and stiffness of composite polymer electrolytes with two different EO:Li molar ratios using differential scanning calorimetry, …
Kinetic Modeling Of Methanol Synthesis From Carbon Monoxide, Carbon Dioxide, And Hydrogen Over A Cu/Zno/Cr2o3 Catalyst, Daaniya Rahman
Kinetic Modeling Of Methanol Synthesis From Carbon Monoxide, Carbon Dioxide, And Hydrogen Over A Cu/Zno/Cr2o3 Catalyst, Daaniya Rahman
Master's Theses
The main purpose of this study was to investigate kinetic models proposed in the
literature for methanol synthesis and select the best fit model using regression techniques
in POLYMATH. Another aim was to use the results from the best fit model to explain
some aspects and resolve some questions related to methanol synthesis kinetics. Two
statistically sound kinetic models were chosen from literature based on their goodness of
fit to the respective kinetic data. POLYMATH, the non-linear regression software, was
used to fit published experimental data to different kinetic models and evaluate kinetic
parameters. The statistical results from POLYMATH were …