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Abstract A comprehensive electrochemical characterization was performed for different compositions of LiMnPO 4 electrodes with additions of multi-walled carbon nanotubes (MWCNTs). Electrochemical testing based on DC and AC techniques helped… Click to show full abstract
Abstract A comprehensive electrochemical characterization was performed for different compositions of LiMnPO 4 electrodes with additions of multi-walled carbon nanotubes (MWCNTs). Electrochemical testing based on DC and AC techniques helped to perform a quantitative analysis to corroborate the influence of the activation processes at the interface and the overall performance of the cathodes. The step-control process for the composite/electrolyte interface is influenced by the MWCNTs content at different bias potentials. The threshold saturation of MWCNTs was determined experimentally by materials characterization, electrochemical techniques, and theoretically by probability-deterministic transmission line modeling (TLM). TLM was coupled with the LiMnPO 4 particle size distribution and the electrode microstructural variability to quantify interfacial mechanisms.
Journal Title: Electrochimica Acta
Year Published: 2017
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