Solar cell module

Abstract

The utility model discloses a solar cell module, which comprises a thin film cell, a light-transmitting isolation layer and a perovskite cell which are stacked in sequence, the thin film battery and the perovskite battery are arranged in parallel, and each of the thin film battery and the perovskite battery comprises two cathode terminals and two anode terminals; the solar cell module also comprises at least one junction box, and each junction box comprises at least two anti-reverse diodes. And in each junction box, every two anti-reverse diodes are electrically connected with two positive terminals respectively, and / or every two anti-reverse diodes are electrically connected with two negative terminals respectively. According to the utility model, current backflow between the thin film cell and the perovskite cell can be avoided, and damage to devices is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a solar cell assembly. Background Art

[0002] Currently, the vast majority of crystalline silicon battery manufacturers on the market have invested in the research and development of two-terminal perovskite crystalline silicon stacked batteries. This structure is equivalent to a series connection. The main issue that needs to be considered is the limited size of the short-circuit current of the entire battery. To match the short-circuit current of the upper and lower batteries, it is necessary to match the band gaps of the two to achieve balance. The process is relatively complicated and the matching window is narrow.

[0003] Another approach is to use a stacked battery solution that mechanically stacks two batteries, but voltage mismatch can cause current backflow and damage the device. Utility Model Content

[0004] The utility model provides a solar cell assembly, which can avoid current backflow between a thin film cell and a perovskite cell, thereby avoiding damage to the device.

[0005] According to one aspect of the present invention, there is provided a solar cell assembly, comprising:

[0006] A thin film battery, a light-transmitting isolation layer, and a perovskite battery are sequentially stacked; the thin film battery and the perovskite battery are arranged in parallel, and the thin film battery and the perovskite battery include two negative electrode terminals and two positive electrode terminals;

[0007] The solar cell assembly also includes at least one junction box, each of which includes at least two anti-reverse diodes; in each junction box, each two anti-reverse diodes are electrically connected to the two positive terminals, and / or each two anti-reverse diodes are electrically connected to the two negative terminals.

[0008] Optionally, the at least one junction box includes a first junction box and a second junction box; the first junction box includes two first anti-reverse diodes and two negative electrode terminals, and the second junction box includes two second anti-reverse diodes and two positive electrode terminals;

[0009] The cathodes of the two first anti-reverse diodes are electrically connected to the two negative electrode binding posts respectively, the two negative electrode binding posts are electrically connected to the two negative electrode terminals respectively, and the anodes of the two first anti-reverse diodes are electrically connected to the first conductive member;

[0010] The positive electrodes of the two second anti-reverse diodes are electrically connected to the two positive electrode binding posts respectively, the two positive electrode binding posts are electrically connected to the two positive electrode terminals respectively, and the negative electrodes of the two second anti-reverse diodes are electrically connected to the second conductive member;

[0011] The first conductive member and the second conductive member are two output ports of the solar cell assembly.

[0012] Optionally, at least one junction box includes a third junction box; the third junction box includes two positive pole terminals, two negative pole terminals and at least two anti-reverse diodes; every two anti-reverse diodes are electrically connected to the two negative pole terminals respectively, and / or, every two anti-reverse diodes are electrically connected to the two positive pole terminals respectively.

[0013] Optionally, the third junction box includes four anti-reverse diodes;

[0014] The cathodes of the two anti-reverse diodes are electrically connected to the two negative electrode binding posts respectively, and the two negative electrode binding posts are electrically connected to the two negative electrode terminals respectively; the anodes of the two anti-reverse diodes are electrically connected to the third conductive member;

[0015] The positive electrodes of the other two anti-reverse diodes are electrically connected to the two positive electrode binding posts, which are electrically connected to the two positive electrode terminals; the negative electrodes of the other two anti-reverse diodes are electrically connected to the fourth conductive member;

[0016] The third conductive member and the fourth conductive member are two output ports of the solar cell assembly.

[0017] Optionally, the third junction box includes two anti-reverse diodes;

[0018] The two negative electrode binding posts are electrically connected to the two negative electrode terminals respectively, and the two negative electrode binding posts are electrically connected to the third conductive member;

[0019] The positive electrodes of the two anti-reverse diodes are electrically connected to the two positive electrode binding posts respectively, and the two positive electrode binding posts are electrically connected to the two positive electrode terminals respectively; the negative electrodes of the two anti-reverse diodes are electrically connected to the fourth conductive member;

[0020] The third conductive member and the fourth conductive member are two output ports of the solar cell assembly.

[0021] Optionally, the third junction box includes two anti-reverse diodes;

[0022] The cathodes of the two anti-reverse diodes are electrically connected to the two negative electrode binding posts respectively, and the two negative electrode binding posts are electrically connected to the two negative electrode terminals respectively; the anodes of the two anti-reverse diodes are electrically connected to the third conductive member;

[0023] The two positive electrode binding posts are electrically connected to the two positive electrode terminals respectively, and the two positive electrode binding posts are electrically connected to the fourth conductive member;

[0024] The third conductive member and the fourth conductive member are two output ports of the solar cell assembly.

[0025] Optionally, the third junction box is a back hole junction box; the back hole junction box includes a back hole, and the back hole is used to lead out two negative electrode lead wires and two positive electrode lead wires;

[0026] The two negative electrode binding posts are electrically connected to the two negative electrode terminals through two negative electrode lead wires, and the two positive electrode binding posts are electrically connected to the two positive electrode terminals through two positive electrode lead wires.

[0027] Optionally, the spacing between the two negative electrode lead wires, the spacing between the two positive electrode lead wires, and the spacing between the positive electrode lead wire and the negative electrode lead wire are all greater than or equal to 10 mm.

[0028] Optionally, the solar cell assembly further comprises:

[0029] A bypass diode is provided, wherein the anode of the bypass diode is electrically connected to the third conductive member, and the cathode of the bypass diode is electrically connected to the fourth conductive member.

[0030] Optionally, the thin film battery includes any one of a copper indium gallium selenide battery, an organic light-emitting material battery and a perovskite battery.

[0031] The solar cell assembly provided by the technical solution of the embodiment of the utility model includes: a thin-film battery, a light-transmitting isolation layer, and a perovskite battery stacked in sequence; the thin-film battery and the perovskite battery are arranged in parallel, and the thin-film battery and the perovskite battery include two negative terminals and two positive terminals; the solar cell assembly also includes at least one junction box, each of which includes at least two anti-reverse diodes; in each junction box, each two anti-reverse diodes are electrically connected to the two positive terminals, and / or each two anti-reverse diodes are electrically connected to the two negative terminals. By providing the junction box, the solar cell assembly is a two-port output assembly, and the anti-reverse diodes in the junction box can prevent current backflow and avoid damage to the device.

[0032] It should be understood that the content described in this section is not intended to identify the key or important features of the embodiments of the present invention, nor is it intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0034] Figure 1 This is a schematic structural diagram of a solar cell assembly provided by an embodiment of the present utility model.

[0035] Figure 2 This is a structural diagram of a junction box provided by an embodiment of the utility model.

[0036] Figure 3 This is a structural diagram of another junction box provided by an embodiment of the present utility model.

[0037] Figure 4 This is a structural diagram of another junction box provided by an embodiment of the utility model.

[0038] Figure 5 This is a structural diagram of another junction box provided by an embodiment of the utility model.

[0039] Figure 6 This is a structural diagram of another junction box provided by an embodiment of the utility model.

[0040] Figure 7 This is a structural diagram of another junction box provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0041] In order to help those skilled in the art better understand the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0042] It should be noted that the terms "first," "second," and the like in the present invention are used to distinguish similar objects and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including," "having," and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to these processes, methods, products, or apparatus.

[0043] The embodiment of the utility model provides a solar cell assembly, Figure 1 This is a schematic diagram of the structure of a solar cell assembly provided by an embodiment of the present invention, with reference to Figure 1 The solar cell assembly includes: a thin film battery 10, a light-transmitting isolation layer 20 and a perovskite battery 30 stacked in sequence; the thin film battery 10 and the perovskite battery 30 are arranged in parallel, and the thin film battery 10 and the perovskite battery 30 include two negative electrode terminals 01 and two positive electrode terminals 02.

[0044] The solar cell assembly also includes at least one junction box, each of which includes at least two anti-reverse diodes; in each junction box, each two anti-reverse diodes are electrically connected to the two positive electrode terminals 02, and / or each two anti-reverse diodes are electrically connected to the two negative electrode terminals 01.

[0045] Among them, the light-transmitting isolation layer 20 can be a thermoplastic film, such as a polyolefin elastomer (POE) film. The light-transmitting isolation layer 20 has excellent electrical insulation isolation properties, which can isolate the thin-film battery 10 and the perovskite battery 30, so that the thin-film battery 10 and the perovskite battery 30 are arranged in parallel; the thin-film battery 10 is a bottom battery, and the thin-film battery 10 includes any one of a copper indium gallium selenide battery, an organic light-emitting material battery and a perovskite battery; the perovskite battery 30 is a top battery; the perovskite battery 30 includes a first conductive layer, a first carrier transport layer, a perovskite absorption layer, a second carrier transport layer, a second conductive layer, and a second substrate stacked in sequence. The first conductive layer and the second conductive layer can both be transparent conductive films (TCO), and the materials of the first conductive layer and the second conductive layer include but are not limited to fluorine-doped tin oxide (FTO), indium tin oxide (ITO), indium oxide-doped tungsten oxide (IWO) and other transparent materials with equivalent functions; when the first carrier transport layer is an electron transport layer, the second carrier transport layer is a hole transport layer; the structure of the perovskite absorption layer includes but is not limited to MAPbI3, MAxCs1-xPbI3, MAxFAyCs1-x-yPbI3, MAxFA1-xPbI3-aBra, MAxFA1-xPbI3-bClb, MAxFA1-xPbBr3-cClc, where x and y are in the range of 0-1, and a, b and c are in the range of 0-3, wherein the structural formula of MA is CH3NH3+, and the structural formula of FA is CH(NH2)2+; light is incident from the second substrate into the battery through the second conductive layer, and finally the light is emitted from the first conductive layer. The top cell is a perovskite cell 30, and the bottom cell is a thin film cell 10. Different types of cells are connected in parallel and stacked by voltage matching, which can improve the utilization rate of light.

[0046] The thin film battery 10 includes a positive terminal 02 and a negative terminal 01, and the perovskite battery 30 includes a positive terminal 02 and a negative terminal 01. The two negative terminals 01 and the two positive terminals 02 are the four output ports of the thin film battery 10 and the perovskite battery 30; each junction box includes at least two anti-reverse diodes. For example, the junction box may include two anti-reverse diodes, and the two anti-reverse diodes are electrically connected to the two positive terminals 02, or the two anti-reverse diodes are electrically connected to the two negative terminals 01. The junction box may also include four anti-reverse diodes, two anti-reverse diodes are electrically connected to the two positive terminals 02, and the other two anti-reverse diodes are electrically connected to the two negative terminals 01.

[0047] Specifically, the junction box has four input ports and two output ports. The junction box can be used to convert the four output ports into two output ports. The two negative terminals 01 and the two positive terminals 02 are connected to the junction box, and the output is carried out through the two ports of the junction box. This makes the solar cell module a two-terminal solar cell module. This can avoid the situation where the subsequent system needs to be separately configured with a four-terminal lead, which is complex and costly to implement and is not conducive to practical implementation. When the voltage difference between the thin-film battery 10 and the perovskite battery 30 is greater than 10% of the voltage of the perovskite battery 30, it is easy to cause poor voltage matching between the thin-film battery 10 and the perovskite battery 30, resulting in current backflow and damage to the device. The anti-reverse diode provided in the junction box can prevent current backflow and avoid damage to the device.

[0048] The solar cell assembly provided by the technical solution of the embodiment of the present utility model includes: a thin-film battery 10, a light-transmitting isolation layer 20, and a perovskite battery 30 stacked in sequence; the thin-film battery 10 and the perovskite battery 30 are arranged in parallel, and the thin-film battery 10 and the perovskite battery 30 include two negative electrode terminals 01 and two positive electrode terminals 02; the solar cell assembly also includes at least one junction box, each of which includes at least two anti-reverse diodes; in each junction box, each two anti-reverse diodes are electrically connected to the two positive electrode terminals 02, and / or each two anti-reverse diodes are electrically connected to the two negative electrode terminals 01. By providing the junction box, the solar cell assembly is a two-port output assembly, and the anti-reverse diodes in the junction box can prevent current backflow and avoid damage to the device.

[0049] Optional, Figure 2 This is a structural diagram of a junction box provided by an embodiment of the utility model. Figure 3 This is a schematic diagram of the structure of another junction box provided by the embodiment of the utility model, referring to Figure 1-Figure 3, at least one junction box includes a first junction box 41 and a second junction box 42; the first junction box 41 includes two first anti-reverse diodes 411 and two negative terminals 412, and the second junction box 42 includes two second anti-reverse diodes 421 and two positive terminals 422.

[0050] refer to Figure 2 The cathodes of the two first anti-reverse diodes 411 are electrically connected to the two negative electrode terminals 412 respectively, the two negative electrode terminals 412 are electrically connected to the two negative electrode terminals 01 respectively, and the anodes of the two first anti-reverse diodes 411 are electrically connected to the first conductive member 413.

[0051] refer to Figure 3 The positive poles of the two second anti-reverse diodes 421 are electrically connected to the two positive electrode terminals 422 respectively, the two positive electrode terminals 422 are electrically connected to the two positive electrode terminals 02 respectively, and the negative poles of the two second anti-reverse diodes 421 are electrically connected to the second conductive member 423; the first conductive member 413 and the second conductive member 423 are two output ports of the solar cell assembly.

[0052] Among them, the thin film battery 10 and the perovskite battery 30 include two negative terminals 01 and two positive terminals 02. The two negative terminals 01 are respectively electrically connected to the two negative terminals 412 of the first junction box 41, and are connected to the first conductive member 413 through two first anti-reverse diodes 411. The first conductive member 413 can serve as the negative output port of the output port at both ends of the solar cell module; the two positive terminals 02 are respectively electrically connected to the two positive terminals 422 in the second junction box 42, and are connected to the second conductive member 423 through two second anti-reverse diodes 421. The second conductive member 423 can serve as the positive output port of the output port at both ends of the solar cell module; the embodiment of the present invention adopts two junction boxes, so that each terminal is connected to an anti-reverse diode, which can better prevent current backflow and protect the device.

[0053] Optionally, at least one junction box includes a third junction box; the third junction box includes two positive pole terminals, two negative pole terminals and at least two anti-reverse diodes; every two anti-reverse diodes are electrically connected to the two negative pole terminals respectively, and / or, every two anti-reverse diodes are electrically connected to the two positive pole terminals respectively.

[0054] The solar cell assembly may include only one third junction box, which may include two or four anti-reverse diodes. For example, the third junction box may include two anti-reverse diodes, both electrically connected to the positive terminal, or both electrically connected to the negative terminal. The third junction box may include four anti-reverse diodes, two electrically connected to the positive terminal, and the other two electrically connected to the negative terminal. This embodiment of the utility model utilizes only one junction box to achieve a two-port output of the solar cell assembly, and the anti-reverse diodes provided within one junction box can prevent current backflow and protect the device.

[0055] Optional, Figure 4 This is a schematic diagram of the structure of another junction box provided by the embodiment of the utility model, referring to Figure 1 and Figure 4 The third junction box 43 includes four anti-reverse diodes; the cathodes of the two anti-reverse diodes 433 are electrically connected to the two negative electrode terminals 432, and the two negative electrode terminals 432 are electrically connected to the two negative electrode terminals 01; the anodes of the two anti-reverse diodes 433 are electrically connected to the third conductive member 435.

[0056] The positive poles of the other two anti-reverse diodes 434 are electrically connected to the two positive electrode terminals 431 respectively, and the two positive electrode terminals 431 are electrically connected to the two positive electrode terminals 02 respectively; the negative poles of the other two anti-reverse diodes 434 are electrically connected to the fourth conductive member 436; the third conductive member 435 and the fourth conductive member 436 are the two output ports of the solar cell assembly.

[0057] The third junction box 43 can be a backhole junction box, which includes a backhole, and the terminal is electrically connected to the terminal post through the backhole. The two negative terminal 01 is electrically connected to the two negative terminal posts 432 of the third junction box 43, and is connected to the third conductive member 435 through two anti-reverse diodes 433. The third conductive member 435 can serve as the negative output port of the output port at both ends of the solar cell module; the two positive terminal 02 is electrically connected to the two positive terminal posts 431 of the third junction box 43, and is connected to the fourth conductive member 436 through two other anti-reverse diodes 434. The fourth conductive member 436 can serve as the positive output port of the output port at both ends of the solar cell module. The embodiment of the utility model uses a junction box so that each terminal is connected to an anti-reverse diode, which is low in cost and can better prevent current backflow and protect the device.

[0058] Optional, Figure 5 This is a schematic diagram of the structure of another junction box provided by the embodiment of the utility model. Figure 5The third junction box 43 includes two anti-reverse diodes 434; the two negative electrode terminals 432 are electrically connected to the two negative electrode terminals 01 respectively, and the two negative electrode terminals 432 are electrically connected to the third conductive member 435; the positive poles of the two anti-reverse diodes 434 are electrically connected to the two positive electrode terminals 431 respectively, and the two positive electrode terminals 431 are electrically connected to the two positive electrode terminals 02 respectively; the negative poles of the two anti-reverse diodes 434 are electrically connected to the fourth conductive member 436; the third conductive member 435 and the fourth conductive member 436 are two output ports of the solar cell module.

[0059] The two negative terminals 01 are electrically connected to the two negative terminals 432 of the third junction box 43, which are connected to the third conductive member 435. The third conductive member 435 can serve as the negative output port for the output ports at both ends of the solar cell module. The two positive terminals 02 are electrically connected to the two positive terminals 431 of the third junction box 43, and are connected to the fourth conductive member 436 via two reverse current protection diodes 434. The fourth conductive member 436 can serve as the positive output port for the output ports at both ends of the solar cell module. This embodiment of the utility model uses a junction box so that both positive terminals are connected to a reverse current protection diode, which can prevent current backflow and protect the device.

[0060] Optional, Figure 6 This is a schematic diagram of the structure of another junction box provided by the embodiment of the utility model. Figure 6 The third junction box 43 includes two anti-reverse diodes 433; the cathodes of the two anti-reverse diodes 433 are electrically connected to the two negative electrode terminals 432, respectively, and the two negative electrode terminals 432 are electrically connected to the two negative electrode terminals 01, respectively; the anodes of the two anti-reverse diodes 433 are electrically connected to the third conductive member 435; the two positive electrode terminals 431 are electrically connected to the two positive electrode terminals 02, respectively, and the two positive electrode terminals 431 are electrically connected to the fourth conductive member 436; the third conductive member 435 and the fourth conductive member 436 are two output ports of the solar cell assembly.

[0061] The two negative terminals 01 are electrically connected to the two negative terminals 432 of the third junction box 43, and are connected to the third conductive member 435 via two reverse current protection diodes 433. The third conductive member 435 can serve as the negative output port for the output ports at both ends of the solar cell module. The two positive terminals 02 are electrically connected to the two positive terminals 431 of the third junction box 43, and the two positive terminals 431 are connected to the fourth conductive member 436. The fourth conductive member 436 can serve as the positive output port for the output ports at both ends of the solar cell module. This embodiment of the utility model uses a junction box so that both negative terminals are connected to a reverse current protection diode, which can prevent current backflow and protect the device.

[0062] Optional, reference Figure 4-Figure 6 The third junction box 43 is a back hole junction box; the back hole junction box includes a back hole 05, which is used to lead out two negative lead wires 03 and two positive lead wires 04; the two negative electrode terminals 432 are electrically connected to the two negative electrode terminals 01 through the two negative electrode lead wires 03, and the two positive electrode terminals 431 are electrically connected to the two positive electrode terminals 02 through the two positive electrode lead wires 04.

[0063] Among them, the lead wires are led out through controlled means, and the spacing between the two negative lead wires, the spacing between the two positive lead wires, and the spacing between the positive lead wire and the negative lead wire are all greater than or equal to 10mm, which can ensure a safe creepage distance between the positive and negative terminals.

[0064] Optional, Figure 7 This is a schematic diagram of the structure of another junction box provided by the embodiment of the utility model. Figure 7 The solar cell assembly further includes a bypass diode 06 , wherein the anode of the bypass diode 06 is electrically connected to the third conductive member 435 , and the cathode of the bypass diode 06 is electrically connected to the fourth conductive member 436 .

[0065] Among them, the bypass diode 06 does not work when the solar cell module is normal. If the module produces a hot spot effect and cannot work normally, the bypass diode 06 can allow the current generated by other components to flow out through the bypass diode 06, so that the solar power generation system can operate normally and will not cause the entire system to be blocked due to an abnormal component.

[0066] Optionally, the thin film battery includes any one of a copper indium gallium selenide battery, an organic light-emitting material battery and a perovskite battery.

[0067] Among them, reference Figure 1 In the case where the thin film battery 10 is a copper indium gallium selenide battery, the copper indium gallium selenide battery includes a first substrate, a back electrode, a copper indium gallium selenide absorption layer, a buffer layer and a third conductive layer stacked in sequence; the third conductive layer is located on the side of the back electrode away from the first substrate.

[0068] The second substrate is located on the side of the third conductive layer farthest from the first substrate. The third conductive layer can be a semi-transparent electrode layer. Exemplarily, the third conductive layer can be a transparent conductive film (TCO). The buffer layer can be made of cadmium sulfide (CdS). As an n-type direct bandgap semiconductor material, CdS has a bandgap of 2.43 eV and good transmittance in the visible light range, making it suitable as a buffer layer for solar cells. The back electrode can be a metal electrode. Exemplarily, it can be a molybdenum (Mo) electrode. Because the back electrode does not transmit light, incident light entering the cell from the third conductive layer passes through the buffer layer and is absorbed by the copper indium gallium selenide (CIGS) absorption layer. The remaining light is reflected multiple times by the back electrode and then absorbed by the absorption layer, which can improve light utilization and further improve the photoelectric conversion efficiency. The bottom cell uses a thin-film cell, which reduces the various concerns about cutting silicon cells into small slices compared to the bottom cell using silicon cells.

[0069] Specifically, the solar cell module is a two-end stacked solar cell module, and the solar cell module has a two-end output structure, which can avoid the situation where the subsequent systems need to be configured separately using 4 terminals, which is complicated in engineering implementation, high in cost, and not conducive to actual use.

[0070] It should be understood that the various forms of the processes shown above can be used to reorder, add, or delete steps. For example, the steps described in this utility model can be performed in parallel, sequentially, or in a different order, as long as the desired results of the technical solution of this utility model can be achieved. This is not limited herein.

[0071] The above specific embodiments do not limit the scope of protection of this utility model. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions may be made based on design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model shall be included within the scope of protection of this utility model.

Claims

1. A solar cell module, characterized in that: include: A thin film battery, a light-transmitting isolation layer, and a perovskite battery are sequentially stacked; the thin film battery and the perovskite battery are arranged in parallel, and the thin film battery and the perovskite battery include two negative electrode terminals and two positive electrode terminals; The solar cell assembly further includes at least one junction box, each of which includes at least two anti-reverse diodes; in each junction box, every two of the anti-reverse diodes are electrically connected to two positive electrode terminals, and / or every two of the anti-reverse diodes are electrically connected to two negative electrode terminals.

2. The solar cell assembly according to claim 1, wherein: The at least one junction box includes a first junction box and a second junction box; the first junction box includes two first anti-reverse diodes and two negative electrode terminals, and the second junction box includes two second anti-reverse diodes and two positive electrode terminals; The cathodes of the two first anti-reverse diodes are electrically connected to the two negative electrode binding posts, the two negative electrode binding posts are electrically connected to the two negative electrode terminals, and the anodes of the two first anti-reverse diodes are electrically connected to the first conductive member; The positive electrodes of the two second anti-reverse diodes are electrically connected to the two positive electrode binding posts respectively, the two positive electrode binding posts are electrically connected to the two positive electrode terminals respectively, and the negative electrodes of the two second anti-reverse diodes are electrically connected to the second conductive member; The first conductive member and the second conductive member are two output ports of the solar cell assembly.

3. The solar cell assembly according to claim 1, wherein: The at least one junction box includes a third junction box; the third junction box includes two positive pole terminals, two negative pole terminals and at least two anti-reverse diodes; every two anti-reverse diodes are electrically connected to the two negative pole terminals respectively, and / or, every two anti-reverse diodes are electrically connected to the two positive pole terminals respectively.

4. The solar cell assembly according to claim 3, wherein: The third junction box includes four anti-reverse diodes; The cathodes of the two anti-reverse diodes are electrically connected to the two negative electrode binding posts respectively, and the two negative electrode binding posts are electrically connected to the two negative electrode terminals respectively; the anodes of the two anti-reverse diodes are electrically connected to the third conductive member; The positive electrodes of the other two anti-reverse diodes are electrically connected to the two positive electrode binding posts, which are electrically connected to the two positive electrode terminals; the negative electrodes of the other two anti-reverse diodes are electrically connected to the fourth conductive member; The third conductive member and the fourth conductive member are two output ports of the solar cell assembly.

5. The solar cell assembly according to claim 3, wherein: The third junction box includes two anti-reverse diodes; The two negative electrode binding posts are electrically connected to the two negative electrode terminals respectively, and the two negative electrode binding posts are electrically connected to the third conductive member; The positive electrodes of the two anti-reverse diodes are electrically connected to the two positive electrode binding posts respectively, and the two positive electrode binding posts are electrically connected to the two positive electrode terminals respectively; the negative electrodes of the two anti-reverse diodes are electrically connected to the fourth conductive member; The third conductive member and the fourth conductive member are two output ports of the solar cell assembly.

6. The solar cell assembly according to claim 3, wherein: The third junction box includes two anti-reverse diodes; The cathodes of the two anti-reverse diodes are electrically connected to the two negative electrode binding posts respectively, and the two negative electrode binding posts are electrically connected to the two negative electrode terminals respectively; the anodes of the two anti-reverse diodes are electrically connected to the third conductive member; The two positive electrode binding posts are electrically connected to the two positive electrode terminals respectively, and the two positive electrode binding posts are electrically connected to the fourth conductive member; The third conductive member and the fourth conductive member are two output ports of the solar cell assembly.

7. The solar cell assembly according to any one of claims 4 to 6, characterized in that: The third junction box is a back hole junction box; the back hole junction box includes a back hole, and the back hole is used to lead out two negative electrode lead wires and two positive electrode lead wires; The two negative electrode binding posts are electrically connected to the two negative electrode terminals through two negative electrode lead wires, and the two positive electrode binding posts are electrically connected to the two positive electrode terminals through two positive electrode lead wires.

8. The solar cell assembly according to claim 7, wherein: The spacing between the two negative electrode lead wires, the spacing between the two positive electrode lead wires, and the spacing between the positive electrode lead wire and the negative electrode lead wire are all greater than or equal to 10 mm.

9. The solar cell assembly according to any one of claims 4 to 6, characterized in that: Also includes: A bypass diode, wherein the anode of the bypass diode is electrically connected to the third conductive member, and the cathode of the bypass diode is electrically connected to the fourth conductive member.

10. The solar cell assembly according to claim 1, wherein The thin film battery includes any one of a copper indium gallium selenide battery, an organic light-emitting material battery and a perovskite battery.

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