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.

An integrated cell and circuit interconnection for photovoltaic devices is disclosed. Interconnection componentry includes conductive material utilized to connect a negative terminal of a photovoltaic cell of a substring of a photovoltaic device to a positive terminal of a photovoltaic cell of another substring of the photovoltaic device to electrically connect the cells together. Certain interconnection componentry include extension portions that extend beyond the edge of the photovoltaic cells to which the interconnection componentry are connected. The extension portions are configured to connect to an electrical circuit of the photovoltaic device and connect the substrings to which the extension portions are attached to other substrings of the photovoltaic device. The interconnection componentry and extension portions facilitate bypass diode integration into the electrical circuit, while optimizing shade tolerance of the photovoltaic device and increasing roof fill with regard to a roof on which the photovoltaic device is secured.

An integrated cell and circuit interconnection for photovoltaic devices is disclosed. Interconnection componentry includes conductive material utilized to connect a negative terminal of a photovoltaic cell of a substring of a photovoltaic device to a positive terminal of a photovoltaic cell of another substring of the photovoltaic device to electrically connect the cells together. Certain interconnection componentry include extension portions that extend beyond the edge of the photovoltaic cells to which the interconnection componentry are connected. The extension portions are configured to connect to an electrical circuit of the photovoltaic device and connect the substrings to which the extension portions are attached to other substrings of the photovoltaic device. The interconnection componentry and extension portions facilitate bypass diode integration into the electrical circuit, while optimizing shade tolerance of the photovoltaic device and increasing roof fill with regard to a roof on which the photovoltaic device is secured.

A bypass diode assembly and a method for fabricating the bypass diode assembly are provided, the bypass diode assembly comprising an electrically insulating tape, an electrically conductive ribbon extending over the back side of the tape and locally exposed at the front side of the tape through an opening, a semiconductor component positioned in a hole through the tape, wherein the semiconductor component comprises a diode electrically connected between a first contact pad of the semiconductor component in electrical contact with the electrically conductive ribbon and a second contact pad of the semiconductor component, and an electrically conductive ribbon portion on the front side of the tape in electrical contact with the second contact pad of the semiconductor component. The electrically conductive ribbon portion is electrically isolated from the first electrically conductive ribbon by the electrically insulating tape. A photovoltaic module comprising at least one bypass diode assembly is provided.

A bypass diode assembly and a method for fabricating the bypass diode assembly are provided, the bypass diode assembly comprising an electrically insulating tape, an electrically conductive ribbon extending over the back side of the tape and locally exposed at the front side of the tape through an opening, a semiconductor component positioned in a hole through the tape, wherein the semiconductor component comprises a diode electrically connected between a first contact pad of the semiconductor component in electrical contact with the electrically conductive ribbon and a second contact pad of the semiconductor component, and an electrically conductive ribbon portion on the front side of the tape in electrical contact with the second contact pad of the semiconductor component. The electrically conductive ribbon portion is electrically isolated from the first electrically conductive ribbon by the electrically insulating tape. A photovoltaic module comprising at least one bypass diode assembly is provided.

A method for testing at least one bypass diode in a photovoltaic system including at least one photovoltaic module that is in operation, the photovoltaic module includes at least one string of photovoltaic cells that are connected to a bypass diode dedicated to this string, the method includes: shading a portion of the cells of the string so as to cause a switch to bypass mode through the diode, this switch causing an increase in the temperature of the diode if the diode is in an operational state; measuring at least one temperature of the diode; and comparing the measured temperature with a threshold in order to deduce a state of the diode.

A method for testing at least one bypass diode in a photovoltaic system including at least one photovoltaic module that is in operation, the photovoltaic module includes at least one string of photovoltaic cells that are connected to a bypass diode dedicated to this string, the method includes: shading a portion of the cells of the string so as to cause a switch to bypass mode through the diode, this switch causing an increase in the temperature of the diode if the diode is in an operational state; measuring at least one temperature of the diode; and comparing the measured temperature with a threshold in order to deduce a state of the diode.

A solar cell module, having a plurality of module segments, wherein the module segments have at least two subsegments which each have at least one first solar cell string and each solar cell string has a plurality of solar cells interconnected in series.

A solar cell module, having a plurality of module segments, wherein the module segments have at least two subsegments which each have at least one first solar cell string and each solar cell string has a plurality of solar cells interconnected in series.

A substrate for solar cells is fabricated such that an area of the substrate remains exposed when at least one solar cell having at least one cropped corner that defines a corner region is attached to the substrate; the area of the substrate that remains exposed includes one or more conductors printed on the substrate; and electrical connections between the solar cell and the conductors are made in the corner region resulting from the cropped corner of the solar cell. The substrate may also include buried conductors for making series connections that determine a flow of power through a plurality of solar cells, including corner-to-corner and column-to-column connections for the plurality of solar cells that are attached to the substrate in a two-dimensional (2-D) grid of an array. The substrate may also be covered by a polyimide overlay for preventing electrostatic discharge (ESD).