The three-junction GaAs solar cell uses germanium as the substrate and is formed by three N/P sub-cells connected in series through a tunnel junction, with a separate silicon diode, interconnection sheet, glass cover sheet, high efficiency, and strong radiation resistance . Application Field Low-altitude aircraft, medium-orbit aircraft, high-altitude aircraft (nano-satellite, small satellite, commercial satellite, large satellite, drone, etc.)
Gallium arsenide battery material：triple junction gallium arsenide（GaInP2/GaAs/GeGe)
substrate GaAs cell size：（60.15±0.05）mm*（40.15±0.05）mm
GaAs cell area：22.15c㎡
GaAs cell thickness：0.36±0.02mm
GaAs cell weight：（125±12）mg/c㎡
Anti-reflection film：TiOx/Al2O3
Glass cover piece：KFB120
Thickness：120±20 μm
Interconnect sheet material：silver / kovar silver
Interconnect sheet thickness：20/25μm