On the Nature of Li Insertion in Tin Composite Oxide Glasses

1 January 1999

journal article
Published by The Electrochemical Society in Electrochemical and Solid-State Letters

Vol. 2 (8) , 367-370
https://doi.org/10.1149/1.1390840

Abstract

Tin composite oxide (TCO) glass, , is a high capacity lithium storage medium that may perform as the next generation of anodes in batteries. By using X‐ray absorption spectroscopy in conjunction with lithium‐7 nuclear magnetic resonance, we have obtained a picture of the insertion and deinsertion process in TCO compared to that in , and show that these processes are more complex than was originally thought. Our results demonstrate the significance of oxygen participation in the reversible reactions at nanophase or centers, and suggest that the presence of a quasi‐flexible coordination environment in the glass may enhance the cycling properties. ©1999 The Electrochemical Society

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