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April 2012

The SEM image shows the cross section of a LiFePO4 thin film on a silicon substrate with a platinum interlayer. LiFePO4 is a promising alternative to the widely-used cobalt-based cathode materials in lithium ion batteries. Experiments on model electrodes can provide new information for a better understanding of the mechanisms of lithium insertion and extraction. The thin films are prepared by pulsed laser deposition (PLD). Film thicknesses typically are between 100 nm and 500 nm, however thinner films are possible if desired. (Picture submitted by Alexander Braun.)

April 2012
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