Elton Cairns

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    • Anion Adsorption at Electrocatalyst Surfaces: Probe Beam Deflection Study
    • Application of Pulsed Laser Deposition to the Study of Rechargeable Battery Materials
    • In Situ Study of Species on Fuel Cell Electrocatalyst Surfaces: NMR Spectroscopic Studies
    • Electrocatalysts for Direct-Methanol Fuel Cells
    • NMR Studies of Electrode Materials for Li Cells
    • XAS Studies of Electrode Materials for Lithium Cells
    • Novel Lithium/Polymer-Electrolyte/Sulfur Cells
    • Advanced Electrode Research
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NMR Studies of Electrode Materials for Li Cells

In collaboration with Prof. J. A. Reimer, we have studied the electronic and atomic structures of a variety of electrode materials for use in rechargeable Li cells. This work has focussed on the understanding of the relationships among structure, performance and stability. 7Li magic angle spinning NMR has proven itself to be an extremely useful tool in understanding the basic structure of electrode materials, and the changes in structure that accompany changes in state of charge and cycling history. This technique has proven itself to be a sensitive indicator of long-term instabilities and incipient failure. Some of the materials studied include LiMn2O4, doped compositions of this material, tunnel, and layered structures on LiMnO2, and doped compositions of this material, and LiFePO4, and variants of this material

Elton Cairns

Elton Cairns
MS 70-108A
1 Cyclotron Rd
Berkeley, CA 94720
510-486-5028
ejcairns@lbl.gov
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