Ion insertion electrochemistry at the molecular and nano-scale
September 4-8, 2016
Electrochemistry plays a crucial role in virtually all energy storage and conversion technologies, such as batteries, fuel cells, and artificial leaves. Ion insertion processes, such as those involving lithium and oxygen ions in solids, are ubiquitous. Unlike electrochemical reactions on metal surfaces, ion insertion involves the two-way traffic of ions and electrons. However, despite the importance of thesereactions, the fundamental nature of these processes remains mysterious. We are employing in-situ spectroscopy, microscopy, and computation to shed light on the detailed kinetics and thermodynamics of intercalation reactions. In this talk, I will present new insights on two important classes of reactions (1) insertion of oxygen ions in perovskite oxide fuel cell electrocatalysts, and (2) intercalation of lithium ions in lithium iron phosphate olivine battery electrodes.
William Chueh, "Ion insertion electrochemistry at the molecular and nano-scale" in "Nonstoichiometric Compounds VI", ECI Symposium Series, (2016). http://dc.engconfintl.org/nonstoichiometric_vi/5
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