Member-only story
Penny for your thoughts: Building a copper-based electrolytic memristor neural network, Part 3
This is my third experiment creating what I call an “electrolytic memristor”, a sort of electrochemical cell that is essentially a resistor, but the voltage across the cell causes a metal in an electrolyte, such as aluminum or copper, to plate on the electrode surface, altering the resistance.
You can read about the basic theory in my first article: An Experimental Open-Source Memristor/Programmable “Diode” I created some neural networking application ideas and further in experiments in my second article The Crafted Mind: Building an electrolytic memristor neural network, Part 2
My previous experiments focused on attempting to plate out Aluminum in a deep eutectic solvent (DES), which frankly, is a bit difficult for my home lab. But, I thought, copper LOVES to plate out. Another problem I found was in sourcing a consistent resistive ribbon. Many I found were actually too low of a resistance to get the effect I was hoping for. Digging through some old notes recently, I realized I’d made some conductive (resistive) plastic by rubbing PETE (#1) sheets (The containers that berries come in) with graphite powder. My original goal was the light-accessible side of a dye sensitized solar cell, but I believe the resistance is just too much for it to be useful that way.
