Co-extrusion printing for low cost and high performance energy devices
Details
Event
TechConnect World
Santa Clara, CA USA. Date of Talk: 6/19/2012
Speakers
Corie Cobb
Shrader, Eric
Event
Co-extrusion printing for low cost and high performance energy devices
The method of co-extrusion of dissimilar materials has been developed at PARC, a Xerox Company, to successfully produce high aspect ratio structures for solar cell gridlines and battery electrode structures. In the solar application, the process is stable and repeatable, and a fully integrated tool has been developed that is now being demonstrated at a customer site. The co-extrusion process is capable of non-contact, direct deposition of features as small as 1 10 um with aspect ratios in the range of 1:1 to 30:1. Alternating fluids are co-extruded to form a fine vertically interdigitated lamina structure. The relative thickness, width, and length of the deposited features can be varied by altering the printhead geometry, fluid properties, and printing process conditions.
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