INTEGRATED MULTIJUNCTION PILE-LIKE SOLAR BATTERY Russian patent published in 2017 - IPC H01L31/687 

FIELD: batteries.

SUBSTANCE: pile-like integrated multijunction solar battery with the first element of the battery, herewith the first element of the battery includes a layer of compound InGaP with the first constant array and the first energy of the forbidden zone, and the layer thickness is over 100 nm, and the layer is made as part of the emitter, and/or as part of the base, and/or as part of located between the emitter and the base area of the space charge, and the second element of the battery, herewith the second element of the battery includes a layer of compound In_mP_n with the second constant array and the second energy of the forbidden zone, and the layer thickness is over 100 nm, and the layer is made as part of the emitter, and/or as part of the base, and/or as part of located between the emitter and the base area of the space charge, and the third element of the battery, herewith the third element of the battery includes a layer of compound In_xGa_1-xAs_1-yP_y with the third constant array and the third energy of the forbidden zone, and the layer thickness is over 100 nm, and the layer is made as part of the emitter, and/or as part of the base, and/or as part of located between the emitter and the base area of the space charge, and the fourth element of the battery, herewith the fourth element of the battery includes a layer of compound InGaAs with the fourth constant array and the fourth energy of the forbidden zone, and the layer thickness is over 100 nm, and the layer is made as part of the emitter, and/or as part of the base, and/or as part of located between the emitter and the base area of the space charge, herewith for values of energy of the forbidden zone true is ratio Eg1>Eg2>Eg3>Eg4, and between two elements of the battery there is an area of circuit boards weld.

EFFECT: invention enables to increase efficiency of the solar light conversion.

17 cl, 6 dwg