Lithiation Phases in a Single Magnetite Nanoparticle (IMAGE)

DOE/Brookhaven National Laboratory

Lithiation Phases in a Single Magnetite Nanoparticle

Caption

This is a bright-field scanning transmission electron microscope image series, which shows the three phases of lithiation over a 600-second period. Below the black-and-white images in the top two rows are falsely colored images that enhance the visualization of the different phases: pure magnetite (red), lithiated magnetite (blue), and metallic iron-lithium oxide composite (green). (b) The projected areas of the three phases in a single nanoparticle as a function of time. (c) The speeds of the intercalation and conversion reactions as functions of time.

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Brookhaven National Laboratory

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