Abstract: Disclosed is a tandem type integrated photovoltaic module. The tandem type integrated photovoltaic module includes: a first cell and a second cell, all of which are formed respectively by stacking on a substrate a lower electrode, a photoelectric conversion layer including a plurality of unit cell layers, and an upper electrode, wherein the lower electrode of the first cell and the lower electrode of the second cell are separated by a lower electrode separation groove, and wherein a plurality of through holes are formed to be spaced from each other in the photoelectric conversion layer of the second cell in order to connect the upper electrode of the first cell with the lower electrode of the second cell.

Abstract: Disclosed is an integrated thin-film photovoltaic module. The integrated thin-film photovoltaic module includes a first cell and a second cell, all of which are formed respectively by stacking on a substrate a lower electrode, a photoelectric conversion layer and an upper electrode, wherein the lower electrode of the first cell and the lower electrode of the second cell are separated by a lower electrode separation groove, wherein a plurality of through holes are formed to be spaced from each other in the upper electrode and the photoelectric conversion layer of the first cell, and wherein the through hole is filled with a conductive material such that the upper electrode of the second cell is connected with the lower electrode of the first cell.

Abstract: Disclosed is a photovoltaic module which includes a plurality of stacked unit cells and is encapsulated by an encapsulant and is designed such that an initial short circuit current of the photovoltaic module under standard test conditions is determined by the initial short circuit current of a top cell or a bottom cell among the plurality of the unit cells in accordance with a nominal operating cell temperature of the photovoltaic module.

Abstract: Disclosed is an integrated thin-film photovoltaic module. The integrated thin-film photovoltaic module includes a first cell and a second cell, all of which are formed respectively by stacking on a substrate a lower electrode, a photoelectric conversion layer and an upper electrode, wherein the lower electrode of the first cell and the lower electrode of the second cell are separated by a lower electrode separation groove, wherein a plurality of through holes are formed to be spaced from each other in the upper electrode and the photoelectric conversion layer of the first cell, and wherein the through hole is filled with a conductive material such that the upper electrode of the second cell is connected with the lower electrode of the first cell.

Abstract: Disclosed is a tandem type integrated photovoltaic module. The tandem type integrated photovoltaic module includes a first cell and a second cell, all of which are formed respectively by stacking on a substrate a lower electrode, a photoelectric conversion layer and an upper electrode, wherein the photoelectric conversion layer comprises a first unit cell layer, a second unit cell layer and an intermediate reflector located between the first unit cell layer and the second unit cell layer; wherein the lower electrode of the first cell and the lower electrode of the second cell are separated by a lower electrode separation groove, and wherein a plurality of through holes are formed to be spaced from each other in the photoelectric conversion layer on the lower electrode of the first cell in order to connect the upper electrode of the second cell with the lower electrode of the first cell.

Abstract: Disclosed is a tandem type integrated photovoltaic module. The tandem type integrated photovoltaic module includes: a first cell and a second cell, all of which are formed respectively by stacking on a substrate a lower electrode, a photoelectric conversion layer including a plurality of unit cell layers, and an upper electrode, wherein the lower electrode of the first cell and the lower electrode of the second cell are separated by a lower electrode separation groove, and wherein a plurality of through holes are formed to be spaced from each other in the photoelectric conversion layer of the second cell in order to connect the upper electrode of the first cell with the lower electrode of the second cell.

Abstract: Disclosed is a thin film silicon solar cell including: a substrate; a first electrode which is stacked on the substrate; a unit cell which is stacked on the first electrode; and a second electrode which is stacked on the unit cell, wherein the unit cell includes a p-type window layer, an i-type photoelectric conversion layer and an n-type layer, and wherein the n-type layer includes an n-type silicon alloy reflector profiled such that a concentration of a refractive index reduction element is changed gradually or alternately with the increase in a distance from a light incident side.

Abstract: A thin film silicon solar cell including: a front transparent electrode stacked on a transparent insulating substrate; a p-type layer stacked on the front transparent electrode; an i-type photoelectric conversion layer stacked on the p-type layer; an n-type Saver stacked, on the i-type photoelectric conversion layer; and a metal back electrode layer stacked on the n-type layer, wherein the n-type layer includes: an n-type amorphous silicon first n layer which is stacked on the i-type photoelectric conversion layer and has a thickness of 3 nm to 7 nm; and an n-type silicon second n layer which is stacked on the first n layer and has a thickness of 15 nm to 30 nm and is more highly hydrogen-diluted than the first n layer.

Abstract: Disclosed is an integrated thin film photovoltaic module that includes: a first cell and a second cell, all of which are formed respectively by stacking on a substrate a lower electrode, a photoelectric conversion layer, and an upper electrode, wherein the lower electrode of the first cell and the lower electrode of the second cell are separated by a lower electrode separation groove, and wherein a plurality of through holes are formed to be spaced from each other in the photoelectric conversion layer of the second cell in order to connect the upper electrode of the first cell with the lower electrode of the second cell.