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Rocket Lab Introduces Germanium-Free IMM Apex Solar Cell for Satellites

Rocket Lab logoRocket Lab
Sig2.85Sen+3.10Env+1.35Soc+0.80Gov0.00

Rocket Lab shares rose after the company unveiled IMM Apex, a germanium-free solar cell for satellite power. The technology removes the need for germanium substrates in multi-junction designs, aiming to cut cell mass by 40% and deliver 31.5% Beginning of Life conversion efficiency. It is positioned as a drop-in replacement, backed by 10+ years of testing and multi-100-kilowatt manufacturing plans, following use on 1,100+ satellites.

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