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Rocket Lab Begins Qualification of Highest Performing Space Solar Cell Technology
Rocket Lab’s new IMM-B high efficiency space solar cell. (Credit: SolAero)

Developed by SolAero Technologies Inc., a space solar power company recently acquired by Rocket Lab, the IMM-β solar cells are the highest efficiency commercial space solar cell

LONG BEACH, Calif., (Rocket Lab PR) — Rocket Lab USA, Inc. (“Rocket Lab” or the “Company”) (Nasdaq: RKLB), a global leader in launch services, space systems and space solar power products, announced today that its next-generation solar cell technology is transitioning into qualification. The cell is the next product from SolAero’s patented Inverted MetaMorphic (IMM) solar cell technology, dubbed IMM-β, that is expected to exhibit a conversion efficiency of ~33.3% in volume production. IMM-β is the 4th generation IMM product created by SolAero Technologies Inc. (SolAero), a space solar power company acquired by Rocket Lab in January 2022.


  • Parabolic Arc
  • March 9, 2022