Electrode Materials, Reaction Mechanism and Electrochemical Kinetics of Li-ion Batteries

Dear Colleagues,

In order to increase the storage capacity of lithium-ion batteries, research in new and efficient electrode materials is essential. In parallel, the understanding of ion interactions and transport in these systems, especially at the electrode/electrolyte interface, is also a key parameter to guide battery research. Finaly, the kinetics of heterogeneous surface reaction mechanisms play a crucial role both in the understanding of fundamental phenomena (surface reactivity, co-deposition, charge transfer) and in the synthesis and use of low-dimension systems (clusters and catalytic systems, thin films for microelectronics). Thus, the performance of secondary Li-ion batteries depends on the kinetics of reactions that take place at both electrodes during cycling. If the expansion of Li-ion batteries seems assured by now in portable electronics thanks to their large weight energy density, it is still slowed down in other fields, such as the electrical vehicle (EV), where better cycling performance and safety are required. Improving the capacity retention upon cycling of the electrode material and consequently replying to what is currently one of the major objectives of intercalation compounds require a better understanding of the aging and degradation mechanisms of these materials during cycling. These fundamental interfacial mechanisms are still not completely understood, and their parameters are not well known and therefore not brought under control yet. Modeling the kinetics at the electrodes and their interfaces is necessary to determine these parameters.

All works covering one of these tremendous aspects in the development of more efficient, safe, and reliable Li-ion batteries are welcome.

Prof. Dr. Sylvain Franger
Guest Editor

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