Rocket Lab Unveils High-Efficiency, Germanium-Free Solar Cell for Space Applications

Rocket Lab Corporation has announced the production release of IMM Apex, a new generation solar cell designed for space applications. This cell boasts a 31.5% solar conversion efficiency and 40% lower mass, offering best-in-class specific power. Crucially, IMM Apex eliminates the need for germanium substrates, addressing rising costs and supply chain constraints in the space power industry.