Rocket Lab releases germanium-free IMM Apex solar cell for space
Rocket Lab announced production release of Inverted Metamorphic (IMM) Apex, a next-generation space solar cell. The company cites 31.5% solar conversion efficiency, 40% less weight, and no germanium requirement to ease supply constraints.
Rocket Lab said on Tuesday it has released Inverted Metamorphic (IMM) Apex, a new version of its next-generation solar cell for space applications. 5%, weighs 40% less and does not require germanium.