The bypass diode of each monolithic cell is formed on a substrate in the form of a thin film, and adopts a structure similar to that of the monolithic cell; each monolithic cell and the corresponding bypass diode share the same substrate; a layer treatment method for the thin film in a bypass diode region on the substrate is different from that for a cell region, and a compound material or layer sequence adopted as the layer of the thin film in the bypass diode region on the substrate is different from that in the cell region, so as to decrease a threshold voltage of the bypass diode.

The bypass diode of each monolithic cell is formed on a substrate in the form of a thin film, and adopts a structure similar to that of the monolithic cell; each monolithic cell and the corresponding bypass diode share the same substrate; a layer treatment method for the thin film in a bypass diode region on the substrate is different from that for a cell region, and a compound material or layer sequence adopted as the layer of the thin film in the bypass diode region on the substrate is different from that in the cell region, so as to decrease a threshold voltage of the bypass diode.

A solar cell assembly is presented. The solar cell assembly includes one or more solar cell units coupled in series. The solar cell unit includes a first solar cell series and a second solar cell series connected in parallel. The first and second solar cell series include a plurality of solar cells connecting in series respectively. The solar cell assembly also includes a bypass diode coupled to each solar cell unit and shared between the first and second solar cell series in each solar cell unit.

A solar cell assembly is presented. The solar cell assembly includes one or more solar cell units coupled in series. The solar cell unit includes a first solar cell series and a second solar cell series connected in parallel. The first and second solar cell series include a plurality of solar cells connecting in series respectively. The solar cell assembly also includes a bypass diode coupled to each solar cell unit and shared between the first and second solar cell series in each solar cell unit.

Provided is a back-contact solar cell. The back-contact solar cell includes: a substrate having first doped regions, second doped regions and gap regions arranged on the substrate; first doped semiconductor layers located on the corresponding first doped regions; second doped semiconductor layers located on the corresponding second doped regions, a conductive type of a second doping element within the second doped semiconductor layer is different from that of a first doping element within the first doped semiconductor layer; a conductive layer located on part of the gap region; a passivation layer covering the first doped semiconductor layers, the second doped semiconductor layers, the conductive layers and the gap regions; first electrodes in electrical contact with the first doped semiconductor layers; and second electrodes, in electrical contact with the second doped semiconductor layers.

There is provided a two-terminal device, including a substrate comprising a first cell having a first characteristic resistance, and a second cell, spaced apart from the first cell along the web direction of the substrate, having a second characteristic resistance; a first terminal and a second terminal, each terminal being formed towards or at opposing edges of the substrate across the transverse direction, and each terminal being in electrical communication with the first cell and the second cell; and a connecting portion, between the first cell and the second cell, the connecting portion having a third characteristic resistance; wherein the third characteristic resistance is greater than or equal to at least one of the first characteristic resistance and the second characteristic resistance. There is also provided a method of forming such a two-terminal device).

There is provided a two-terminal device, including a substrate comprising a first cell having a first characteristic resistance, and a second cell, spaced apart from the first cell along the web direction of the substrate, having a second characteristic resistance; a first terminal and a second terminal, each terminal being formed towards or at opposing edges of the substrate across the transverse direction, and each terminal being in electrical communication with the first cell and the second cell; and a connecting portion, between the first cell and the second cell, the connecting portion having a third characteristic resistance; wherein the third characteristic resistance is greater than or equal to at least one of the first characteristic resistance and the second characteristic resistance. There is also provided a method of forming such a two-terminal device).

A perovskite material bypass diode and a manufacturing method therefor, a perovskite solar cell module and a manufacturing method therefor, and a photovoltaic module are disclosed by the present application, which relate to the technical field of photovoltaics, the difficulty of manufacturing the perovskite material bypass diode is reduced. The method for manufacturing the perovskite material bypass diode includes: providing a layer of a perovskite material layer, processing the perovskite material layer to form a P-type perovskite material region and an N-type perovskite material region, so that a perovskite material bypass diode is formed. The perovskite material bypass diode and the manufacturing method therefor, the perovskite solar cell module and the manufacturing method therefor, and the photovoltaic module provided by the present application are used to manufacture the photovoltaic module.

A solar cell module, having at least one first module segment, wherein the first module segment includes a first subsegment and at least one second subsegment, the first and the second subsegment each have at least one solar cell string and each solar cell string has a plurality of solar cells interconnected in series. The first module segment includes a first and an at least second bypass element and bypass connectors. These bypass elements are interconnected via the bypass connectors within the module segment. The shading properties, the electrical characteristics and the material expenditure in the production of the solar module are advantageously adapted via advantageous circuit and geometry arrangements of the elements.

A solar cell module, having at least one first module segment, wherein the first module segment includes a first subsegment and at least one second subsegment, the first and the second subsegment each have at least one solar cell string and each solar cell string has a plurality of solar cells interconnected in series. The first module segment includes a first and an at least second bypass element and bypass connectors. These bypass elements are interconnected via the bypass connectors within the module segment. The shading properties, the electrical characteristics and the material expenditure in the production of the solar module are advantageously adapted via advantageous circuit and geometry arrangements of the elements.