Florida Engineers Design Dual-Purpose Solar Cells
Researchers at Florida International University developed a solar cell that powers equipment and emits infrared light.
Updated on Oct. 21, 2026 in Energy
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Should the military prioritize the development of solar-integrated uniforms to reduce soldier equipment weight?
In a 2026 study, Florida International University engineers introduced a dual-purpose solar cell capable of converting sunlight into electricity while emitting near-infrared light. The technology aims to reduce the weight of tactical gear by replacing traditional battery packs with integrated solar power.
Why it matters
Infantry soldiers currently carry roughly 20 pounds of lithium batteries to power mission-critical electronics. By integrating energy-generating textiles directly into uniforms, this technology could significantly decrease that physical burden.
Laboratory testing confirmed a power conversion efficiency of 22 percent. The device emits an 818-nm peak wavelength of near-infrared light when biased with a reversed current.
The players
Florida International University
This is a public research university located in Miami that hosts advanced engineering programs focused on materials science and defense technology.
The details
Engineers utilized thin semiconductor layers with increased light absorption to maintain high efficiency within micro-thin boundaries. The material features a polymer base resistant to mechanical twisting, with encapsulation layers designed to protect the electronics from water and dust exposure.
Timeline
Engineers published their findings on the dual-purpose devices in 2026.
The Big Picture
This advancement follows the development of flexible, wearable perovskite solar cells, marking a shift toward power-generating textiles in military applications. It bridges the gap between static photovoltaic panels and active, uniform-integrated tactical electronics.
While currently focused on military applications, this technology could eventually lead to lighter, solar-powered wearable devices for civilian use. Further development aims to transition these laboratory patches into full-uniform integrations using advanced conductive pathways.
The takeaway
This innovation demonstrates that high-efficiency solar harvesting can be achieved within flexible, durable polymers suitable for wear. Future iterations of this technology may redefine how high-drain electronics are powered in remote or field environments.
Further reading
For more information on innovations in the energy sector, explore the latest Energy research.
More information
View the full scientific study on perovskite energy devices for technical specifications.
Source note: This article includes information reported by Ecoportal.
Live Poll
Should the military prioritize the development of solar-integrated uniforms to reduce soldier equipment weight?
