Company
PyroDelta Energy Corp.
A majority-owned subsidiary of First Tellurium developing tellurium-based thermoelectric materials, including a proprietary Capillary Casting manufacturing process, designed to convert waste heat into usable electricity.
Covered in 2 MetalsCost.com News Intelligence articles, most recently on September 14, 2026.
Coverage
Tellurium
First Tellurium's PyroDelta Develops a Tellurium Film to Keep Solar Panels Generating After Dark
First Tellurium's subsidiary PyroDelta is developing a tellurium film for the back of solar panels, estimated at 11% to 12% efficiency, designed to keep panels generating power when sunlight fades.
Tellurium
Tellurium's Clean-Energy Role Is Growing, But 90% of It Still Comes From Copper Waste
Tellurium's expanding role in solar power and data-center waste-heat recovery is spotlighted in a new report, even though more than 90% of global supply still comes from copper refining's leftover anode slime.
