Space / HAPS
High-Altitude Platforms (HAPS)
Unlike satellites in orbit, High-Altitude Platform Systems (HAPS) must continuously generate lift to counter gravity. Every additional gram increases the energy required to sustain flight, making solar-cell weight and conversion efficiency critical to endurance, payload capacity and mission performance.
HAPS
EpiNex®: Ultra-Light Silicon for High-Altitude Solar Power
EpiNex® enables ultra-thin silicon wafers down to 50 µm, reducing solar-cell mass while supporting high-efficiency n-type HJT architectures. Precision control of wafer thickness, resistivity and doping uniformity enables consistent cell performance and tighter efficiency binning across large solar arrays.
With less exposure to the intense radiation environment encountered in low Earth orbit, HAPS place greater emphasis on power-to-weight ratio, reliability and cost-effective manufacturing at scale.
EpiNex® also offers a potential platform for next-generation silicon-perovskite tandem cells, providing a pathway toward even higher conversion efficiency and longer flight endurance.
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