An integrated thin-film lateral multi-junction solar device and fabrication method are provided. The device includes, for instance, a substrate, and a plurality of stacks extending vertically from the substrate. Each stack may include layers, and be electrically isolated against another stack. Each stack may also include an energy storage device above the substrate, a solar cell above the energy storage device, a transparent medium above the solar cell, and a micro-optic layer of spectrally dispersive and concentrating optical devices above the transparent medium. Furthermore, the device may include a first power converter connected between the energy storage device and a power bus, and a second power converter connected between the solar cell and the power bus. Further, different solar cells of different stacks may have different absorption characteristics.

According to some embodiments, a device is provided. The device comprises at least one semiconductor structure, comprising: a base portion and an elongated portion extending from the base portion, the elongated portion comprising a non-conducting material, and a plurality of P-type-N-type (P-N) junction branches positioned at different sections of the elongated portion. Each P-N junction branch comprises a photoactive diode having a photoactive area, and a conductor. Each P-N junction branch has a width, where the widths of the plurality of P-N junction branches decrease with increasing distance from the base portion, and where the semiconductor structure is configured to absorb photons over a range of wavelengths to which each P-N junction branch is photoactive.

There is disclosed a double-sided photovoltaic (PV) panel comprising a central thermal layer; and at least two independent solar cell arrays attached on both sides of the central thermal layer, and each of the at least two independent solar cell arrays being covered by a protection layer; wherein the central thermal layer, the at least two independent solar cell arrays, and the glass protection layers are sandwiched together to form the double-sided PV panel. Also disclosed is a method of manufacturing the double-sided PV panel. The double-sided PV panel further comprises a central support structure and a surrounding frame, the surrounding frame comprising a plurality of connectors to enable water circulation through the cooling pipe, wherein the water circulation enabling cooling down of accumulated heat present on the double-sided PV panel during operation, and thereby eliminating formation of cracks or hotspots on the double-sided PV panel.

There is disclosed a double-sided photovoltaic (PV) panel comprising a central thermal layer; and at least two independent solar cell arrays attached on both sides of the central thermal layer, and each of the at least two independent solar cell arrays being covered by a protection layer; wherein the central thermal layer, the at least two independent solar cell arrays, and the glass protection layers are sandwiched together to form the double-sided PV panel. Also disclosed is a method of manufacturing the double-sided PV panel. The double-sided PV panel further comprises a central support structure and a surrounding frame, the surrounding frame comprising a plurality of connectors to enable water circulation through the cooling pipe, wherein the water circulation enabling cooling down of accumulated heat present on the double-sided PV panel during operation, and thereby eliminating formation of cracks or hotspots on the double-sided PV panel.

A photovoltaic cell configured to enable the use of first photovoltaic stacks with perovskite absorber in a solar panel as an electrical generator on the sunlight side of the solar panel, while second photovoltaic stacks with perovskite absorber that are on the shadow side of the solar panel undergo a self-repair process during the day. A photovoltaic device includes a solar panel provided with such photovoltaic cells and further includes an electrical connection device adapted to connect electrodes of stacks with perovskite absorber that are on the sunlight side in order to create a multi-junction photovoltaic generator, the connection device being adapted to connect the electrodes of stacks on the shadow side of the solar panel to a regeneration module.

Photovoltaic assemblies configured to enable the use of first photovoltaic stacks with perovskite absorber in a solar panel as an electrical generator on the sunlight side of a solar panel, while second photovoltaic stacks with perovskite absorber that are on the shadow side of the solar panel undergo a self-repair process during the day. The photovoltaic device includes a solar panel provided with such photovoltaic assemblies and further includes an electrical connection device adapted to connect electrodes of stacks with perovskite absorber that are on the sunlight side in order to create a multi-junction photovoltaic generator, the connection device being adapted to connect the electrodes of stacks on the shadow side of the solar panel to a regeneration module.

A method for producing a solar cell string includes: providing a solar cell stack having at least five solar cells which each have a front side and a rear side, the solar cells are arranged in overlapping fashion; and forming electrically conductive connections between the solar cells by: arranging an electrically conductive first connecting element on the solar cell stack and forming electrically conductive connections; dividing the first connecting element into a first group of cell connectors; arranging an electrically conductive second connecting element on the solar cell stack and forming electrically conductive connections; and dividing the second connecting element into a second group of cell connectors.

A method for producing a solar cell string includes: providing a solar cell stack having at least five solar cells which each have a front side and a rear side, the solar cells are arranged in overlapping fashion; and forming electrically conductive connections between the solar cells by: arranging an electrically conductive first connecting element on the solar cell stack and forming electrically conductive connections; dividing the first connecting element into a first group of cell connectors; arranging an electrically conductive second connecting element on the solar cell stack and forming electrically conductive connections; and dividing the second connecting element into a second group of cell connectors.

A high efficiency configuration for a solar cell module comprises solar cells arranged in an overlapping shingled manner and conductively bonded to each other in their overlapping regions to form super cells, which may be arranged to efficiently use the area of the solar module.

A high efficiency configuration for a solar cell module comprises solar cells arranged in an overlapping shingled manner and conductively bonded to each other in their overlapping regions to form super cells, which may be arranged to efficiently use the area of the solar module.