A solar cell according to an embodiment includes at least one first solar cell panel, a flexible substrate, a bypass diode, and a package. The at least one first solar cell panel is disposed with a light receiving surface thereof oriented in a predetermined direction. The flexible substrate is disposed in the vicinity of the at least one first solar cell panel when viewed in the predetermined direction. The flexible substrate forms a bypass line for the at least one first solar cell panel. The bypass diode is mounted on the flexible substrate and is connected to the at least one first solar cell panel in parallel. The package houses the at least one first solar cell panel, the flexible substrate, and the bypass diode. The at least one first solar cell panel is disposed between both ends of the flexible substrate and the bypass diode in the predetermined direction.

A solar cell according to an embodiment includes at least one first solar cell panel, a flexible substrate, a bypass diode, and a package. The at least one first solar cell panel is disposed with a light receiving surface thereof oriented in a predetermined direction. The flexible substrate is disposed in the vicinity of the at least one first solar cell panel when viewed in the predetermined direction. The flexible substrate forms a bypass line for the at least one first solar cell panel. The bypass diode is mounted on the flexible substrate and is connected to the at least one first solar cell panel in parallel. The package houses the at least one first solar cell panel, the flexible substrate, and the bypass diode. The at least one first solar cell panel is disposed between both ends of the flexible substrate and the bypass diode in the predetermined direction.

A solar module includes a plurality of solar cells and a carrier plate. The carrier plate includes a front cover and a back cover. The plurality of solar cells are welded and connected in series to define a plurality of solar battery string groups. The plurality of solar cells are connected in series at a predetermined spacing distance therebetween in a first direction to form each of the plurality of solar battery string groups. A width of each of the plurality of solar cells in the first direction is a first length, a length of each of the plurality of solar cells in a second direction is a second length, and a ratio of the second length to the first length is greater than 10. The plurality of solar battery string groups are pressed between the front cover and the back cover via a plurality of bus strips.

A solar cell includes a silicon wafer, a first doped layer, and a second doped layer. The second doped layer is in a combined contact with the first doped layer in a preset position to form a leakage combined contact structure; and when reverse voltage applied to two ends of the solar cell is 17 V or less than 17 V, a leakage current per unit length of the leakage combined contact structure is greater than Impp/S/N. Impp is a maximum power point current of the solar cell, S is an area of the solar cell, N is a length of the leakage combined contact structure per unit area in the solar cell, and N is less than or equal to 4.32 cm/cm.sup.2.

A solar cell includes a silicon wafer, a first doped layer, and a second doped layer. The second doped layer is in a combined contact with the first doped layer in a preset position to form a leakage combined contact structure; and when reverse voltage applied to two ends of the solar cell is 17 V or less than 17 V, a leakage current per unit length of the leakage combined contact structure is greater than Impp/S/N. Impp is a maximum power point current of the solar cell, S is an area of the solar cell, N is a length of the leakage combined contact structure per unit area in the solar cell, and N is less than or equal to 4.32 cm/cm.sup.2.

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.

Protection of space solar cells in an arrangement in the form of a string extending in an X direction, and two directly adjacent space solar cells in the X direction in each case are electrically connected to each other in series with the aid of a metallic connector. The string has a first end and a second end opposite the first end, and a protection arrangement formed along a Y direction is formed on one of the two ends. The protection arrangement has a first string protection diode formed in the Y direction and a metal strip and a second string protection diode. The protection arrangement is electrically connected to one of the two ends of the string and each string protection diode is uncased and has exactly one metal contact on the upper side and exactly one metal contact on the underside.

Protection of space solar cells in an arrangement in the form of a string extending in an X direction, and two directly adjacent space solar cells in the X direction in each case are electrically connected to each other in series with the aid of a metallic connector. The string has a first end and a second end opposite the first end, and a protection arrangement formed along a Y direction is formed on one of the two ends. The protection arrangement has a first string protection diode formed in the Y direction and a metal strip and a second string protection diode. The protection arrangement is electrically connected to one of the two ends of the string and each string protection diode is uncased and has exactly one metal contact on the upper side and exactly one metal contact on the underside.

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.