Why Copper–Silver Electrodes Are Stronger Than Gold–Silver
- les moncrieff
- 6 days ago
- 1 min read
Primary Reason:
Metal Pairing Voltage
As you now know, copper–silver creates a ~0.46 V potential, and both metals participate actively in redox reactions.
Gold–silver, despite a higher theoretical EMF (0.70 V), generates much less current because gold is inert and resists electron exchange.
The Effect of Electrode Size and Surface Area
Surface area affects:
Contact with skin and fluids
Amount of ionic exchange
Field distribution
Smaller electrodes (like Sakamura Magrain pellets) create:
More focused, shallow stimulation
Less effective current transfer over time
More subtle, neuromodulatory effects
Larger electrodes (like copper ink patches) allow:
Greater ionic movement
Deeper penetration of the electric field
More pronounced physiological effect (especially for pain or detox)
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