Why phase transformation and solid solution behaviour showing in different compositions of LiMnFePO4?
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Phase transformation and solid solution behavior in different compositions of LiMnFePO4 are influenced by factors such as lithiation mechanisms, electrochemical properties, and kinetic responses. The phase transformation pathway significantly impacts the electrochemical kinetics, with solid-solution phases exhibiting faster current decay and lower polarization compared to two-phase transformations. Studies on LiFePO4 and its derivatives reveal the existence of solid solutions and binary lithiated/delithiated states, affecting rate capability and performance. Additionally, the introduction of elements like Mg in LiMnFePO4 alters the reaction mechanism, leading to one-phase reactions and changes in redox potentials. Understanding these transformations is crucial for optimizing battery performance and energy storage devices.
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| Papers (5) | Insight |
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6 Citations | Phase transformation and solid solution behavior in different compositions of LiMnFePO4 are due to the addition of Mg, altering the redox couple voltages, leading to single-phase lithiation/delithiation mechanisms. |
109 Citations | Phase transformation and solid solution behavior in LiMnFePO4 are influenced by small elastic misfits between phases, leading to extended solid solutions and coherent transformations, enhancing performance. |
| Phase transformation pathways in LiFePO4 nanoparticles affect electrochemical properties. Solid-solution behavior leads to faster kinetics, reduced nucleation, and improved electrochemical responses compared to typical two-phase transformations. | |
5 Citations | Phase transformation and solid solution behavior in LiFePO₄/FePO₄ compositions vary due to lithium-ion diffusion, observed to be time-dependent at higher charging currents, affecting capacity in LiFePO₄ electrodes. |
| Phase transformation and solid solution behavior in different LiMnFePO4 compositions are influenced by the enthalpic interactions and stoichiometry, affecting voltage hysteresis and phase separation during lithiation. |
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