Thermopile used in a sentence

Thermopile in a sentence as a noun

For their Venera probes the russians developped a thermopile battery, which were never used but seems to fit quite well on Venus.

If by "Cybernetics" you mean "Ancient thermopile-driven furnace control systems", then yes.

From [1]:While never deployed, a seismometer and thermopile battery were developed and tested, capable of operating indefinitely on the surface of Venus.