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Due to its high operating voltage the so-called high voltage spinel (LiNi0,5Mn1,5O4) is a promising cathode material. In this work the kinetics of the capacity loss during cycling and its change due to different coatings are analyzed. In a second part the electrochemical behavior for the insertion of a second lithium per formula unit is discussed for different doped spinel materials.

Degradation --- Hochvoltspinell --- Tiefentladunglithium ion battery --- Lithiumionenbatterie --- degradation --- high voltage spinel --- deep discharge

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In recent years, lithium-ion batteries (LIBs) have been increasingly contributing to the development of novel engineering systems with energy storage requirements. LIBs are playing an essential role in our society, as they are being used in a wide variety of applications, ranging from consumer electronics, electric mobility, renewable energy storage, biomedical applications, or aerospace systems. Despite the remarkable achievements and applicability of LIBs, there are several features within this technology that require further research and improvements. In this book, a collection of 10 original research papers addresses some of those key features, including: battery testing methodologies, state of charge and state of health monitoring, and system-level power electronics applications. One key aspect to emphasize when it comes to this book is the multidisciplinary nature of the selected papers. The presented research was developed at university departments, institutes and organizations of different disciplines, including Electrical Engineering, Control Engineering, Computer Science or Material Science, to name a few examples. The overall result is a book that represents a coherent collection of multidisciplinary works within the prominent field of LIBs.

Information technology industries --- electric wheelchair --- lithium-ion battery --- supercapacitor --- semiactive hybrid energy storage system --- smart energy management system --- kinetic battery model --- lithium-ion batteries --- nonlinear capacity --- fractional calculus --- ultrasonic sensing --- health monitoring --- state of health --- failure indication --- data fusion --- temperature-dependent second-order RC model --- SOC estimation --- dual Kalman filter --- state of charge --- battery parameters identification --- equivalent circuit model --- battery equalization --- flyback transformer --- topology --- commercial Li-ion testing --- RPT --- CtcV --- cell-to-cell variations --- traction battery --- LiFePO4 --- short-circuit --- deep discharge --- damage recovery --- SOC --- second-order RC equivalent circuit model --- system noise covariance --- observation noise covariance --- AUKF --- battery modeling --- battery chargers --- power supplies --- resonant inverters --- phase control --- electric wheelchair --- lithium-ion battery --- supercapacitor --- semiactive hybrid energy storage system --- smart energy management system --- kinetic battery model --- lithium-ion batteries --- nonlinear capacity --- fractional calculus --- ultrasonic sensing --- health monitoring --- state of health --- failure indication --- data fusion --- temperature-dependent second-order RC model --- SOC estimation --- dual Kalman filter --- state of charge --- battery parameters identification --- equivalent circuit model --- battery equalization --- flyback transformer --- topology --- commercial Li-ion testing --- RPT --- CtcV --- cell-to-cell variations --- traction battery --- LiFePO4 --- short-circuit --- deep discharge --- damage recovery --- SOC --- second-order RC equivalent circuit model --- system noise covariance --- observation noise covariance --- AUKF --- battery modeling --- battery chargers --- power supplies --- resonant inverters --- phase control