Bill of Materials
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Parts
- 1 24 V DC power source - Anything between 12 V and 24 V may work but the results achieved here use 24 V. Motor speeds may need calibration to match existing results
- 200 g of 3D printing feedstock
- 1 Arduino UNO R3 - or equivalent microcontroller that can output two independent 5V PWM signals and connect to PC over USB serial
- 4 barbed fittings
- 4 cm² of conductive felt
- 50 cm² of copper sheet
- 160 cm² of gasket sheet - Dimensions must be at least enough to cut out approx. four 6 cm x 8 cm rectangles, an A4 sheet is enough
- 100 cm² of grafoil
- 1 L298N motor driver
- 4 M6 nuts
- 4 M6 x 60 mm hex socket cap bolts
- 4 o-rings
- 2 peristaltic pumps
- several cm polypropylene packing tape
- A4 sheet separator sheet
- 1 meter of tubing
Tools
- 1 10 mm socket - To fit torque wrench
- 1 3-axis mill
- 1 3D printer
- 1 50 mL beaker
- 2 50 mL beakers - or drip tray/other container to hold 10 mL of water
- 1 5mm hex key
- 1 pair of chemical safety goggles
- 1 pair of nitrile gloves
- 1 PC - Must be able to flash firmware to microcontroller and connect over USB serial to microcontroller and potentiostat
- 1 potentiostat - preferably the MYSTAT
- 1 sheet of sandpaper
- 1 scale
- 1 stir bar
- 1 stir plate
- 1 torque wrench - to accept 5 mm allen key or 10 mm hex socket
- 1 utility knife
- 1 vial - min. 20 mL
- 1 vinyl cutter machine - or laser cutter or hand tools
- 1 weighing spatula
Chemicals
- 10.0 grams of 8% vinegar/acetic acid
- 10 mL of deionized water
- 3.0 grams of potassium acetate
- 6.6 grams of potassium iodide
- 2.8 grams of zinc chloride