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The cross section above illustrates the general layout and stacking order of the component films. The battery can have any shape provided the electrolyte completely isolates the cathode from direct contact with the anode, and it can be fabricated to any size, large or small, to meet the requirements of a specific application.
For this battery, the anode is a sputter deposited film of a metal oxide or nitride. This anode must then be covered with a metallic anode current collector such as Ti.
In the Li-free design, a lithium anode is electroplated in-situ at the metal anode current collector upon the initial charge cycle of the battery. The anode current collector, such as Cu, must be covered by an overlayer film of the Lipon electrolyte or parylene.
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Date revised - 10/29/01(njd) http://www.ssd.ornl.gov/BatteryWeb/CrossSection.html