There's a reason copper or gold is used in circuit boards despite silver being a far better conductor.
Silver isn't a better electrical conductor than copper, it's a better thermal conductor.
Silver is tremendously better at conducting heat than aluminum, and slightly better than copper and gold. In the past, I've melted blobs of silver solder over flat aluminum heatsinks, mostly to absorb temperature spikes (to steady temperatures).
How does this new solution avoid corrosion?
It isn't really necessary to avoid the corrosion of silver in most cases (in breathable air). Unlike copper oxide (a semiconductor/insulator), or aluminum oxide (insulator), silve
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