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The Battery Project

Measurement of Thin-Film Battery Electrodes

We increasingly depend on batteries to power our technology. In many settings, battery life is the limiting factor in a technology's performance. Electronic conductivity of an electrode, or how easily electrons can move through an electrode, is a good indicator of how a battery will perform. However, current methods to measure conductivity destroy the electrode and are limited to macro-scale spacial resolution. Attempts to develop non-destructive, micro-scale have produced methods that are cumbersome and inexact. Our goal is to develop non-destructive measurement system that can provide accurate data on the micro-scale. This will include:

  • Fabricating a probe in the clean room.
  • Programming an XYZ stage on which to mount the probe.
  • Developing a mathmatical model to interpret the measurements.

Modeling

The second part of the project will be developing a parameterized computer model that can predict electrode morphology resulting from fabrication steps. Using the data from the probe and the computer model, will help us understand the effects of processing conditions on electrodes on a microscopic scale.