1. Fundamentals of Laser Direct Write Deposition for Electrochemically Active Materials
Craig B. Arnold, Mechanical and Aerospace Engineering, Princeton Institute of Science and Technology of Materials, Princeton University, Princeton, NJ 08544
LDW is an important way to create patterns of active material for small scale energy storage systems
Schematic of LDW printing
Laser
Camera
Objective
Ink
Donor substrate
Receiver substrate
XYZ CAD/CAM stage
We demonstrate that this technique can be used to optimize material properties during printing leading to higher capacity and improved high rate behavior
25 mJ laser
No laser
Proton limited
Near ideal
Electron limited
In contrast to traditional methods of materials processing, LDW processing enables improved electron transport with minimal decrease proton reaction kinetics