In addition to the significant advancements with thermoelectric materials science, the PowerCard represents a culmination of technological advances in manufacturing, metallization, package design, coatings, and assembly materials and processes.Īlphabet Energy has shipped PowerCard prototypes to a variety of customers, both stand-alone and as part of the larger PowerModule (which contains many PowerCards), in energy-intensive markets including, automotive, commercial trucking, oil & gas, industrial manufacturing, defense, and consumer appliances. Matt Scullin, founder & CEO, Alphabet Energy We’re addressing our market needs for high-efficiency, low-cost with a light-element thermoelectric that operates with high efficiency and reliability in air. The tetrahedrite and magnesium silicide stannide combination consists of the most abundant and scalable elements available for high-temperature materials, enabling the PowerCard to meet commercial requirements for a wide range of applications from remote power generation in industrial settings to waste heat recovery in the automotive industry.įraunhofer IPM’s independent testing of heat flow and thermal resistance characterizes the performance of the Alphabet Energy PowerCard™ at high temperatures.
The PowerCard generates power from exhaust source temperatures ranging from 400-600 ☌ using Alphabet Energy’s proprietary thermoelectric materials: tetrahedrite and magnesium silicide stannide.Ĭompeting materials, such as skutterudites and half-Heuslers, rely on rare and critical elements subject to scarcity and price volatility, making them unreliable for commercial scale, Alphabet Energy said.
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