Cathode Materials: Combining In Situ Synchrotron X-Ray Diffraction and Absorption Techniques with Transmission Electron Microscopy to Study the Origin of Thermal Instability in Overcharged Cathode Materials for Lithium-Ion Batteries (Adv. Funct. Mater. 8/2013)

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Abstract

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The structural origin of thermal instability of cathode materials, a critical safety issue for lithium-ion batteries, is studied systematically using a combination of various in situ synchrotron X-ray techniques and transmission electron microscopy. As Lijun Wu, Xiao-Qing Yang, and co-workers report on page 1047, an in-depth understanding of the thermal-decomposition behavior of overcharged cathode materials is obtained through this investigation.

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