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Physical Sciences Inc. (PSI) has been awarded a research program from the U.S. Space Force to develop a novel thermoradiative cell to convert waste heat in space-based solar systems into useful electrical power that decreases the size, weight, and power (SWaP) of next-generation spacecraft.

PSI’s Space-borne Infrared Thermoradiative Cell (STIC) will increase the electrical power output of the spacecraft by up to 25 W/m2 when used in tandem with a conventional extraterrestrial solar panel. The additional power generation will enable next-generation spacecraft to support more technologically sophisticated payloads in the same launch vehicle.

There is a critical defense and security need for low-cost compact spacecraft with sophisticated communication and sensing capabilities. In these spacecraft, the power generation system occupies a third of the overall weight/volume of the vehicle. Decreasing the size, weight, and power (SWaP) of next-generation spacecraft, particularly compact satellites, will enable the production of spacecraft at lower cost or with more capability within the same weight/cost budget. In addition, applications are anticipated for terrestrial solar arrays by enabling power generation during nighttime.

For more information, contact:

Dr. Joel Hensley
Vice President, Photonics
hensley@psicorp.com
Physical Sciences Inc.
Telephone: (978) 689-0003