Photovoltaic module and photovoltaic system
By setting a protective layer and a self-emissive layer on the frame of the photovoltaic module, the problem of the limited applicability of photovoltaic modules is solved, and the integration with urban culture and the improvement of photoelectric conversion efficiency are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TRINA SOLAR CO LTD
- Filing Date
- 2025-07-16
- Publication Date
- 2026-07-21
AI Technical Summary
Existing photovoltaic modules are insufficient to meet the cultural integration requirements of urban planning, and their applicability is limited.
A first protective layer is set on the frame of the photovoltaic module, and a self-luminous layer is set on the side of the module facing away from the frame. The self-luminous layer absorbs ambient light and stores energy during the day and releases light at night to form patterns or text, enhancing its compatibility with urban culture. At the same time, the protective layer enhances adhesion and extends service life.
This expands the applicability and application scenarios of photovoltaic modules, enhances their integration with urban culture, and improves photoelectric conversion efficiency and reduces production costs by minimizing the impact of frame temperature rise.
Smart Images
Figure CN224538640U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of photovoltaic technology, and in particular to a photovoltaic module and a photovoltaic system. Background Technology
[0002] With the widespread application of photovoltaic technology, solar panels are increasingly used in public landscapes, architectural decoration, and outdoor lighting. In urban planning, the installation of basic structures such as buildings, landscapes, and streetlights is often integrated with urban culture to enhance the city's cultural connotation. However, photovoltaic modules in related technologies are insufficient to meet the needs of urban planning, limiting their applicability. Utility Model Content
[0003] Based on this, embodiments of this application provide a photovoltaic module and a photovoltaic system, which can improve the applicability and application scenarios of photovoltaic modules.
[0004] On one hand, embodiments of this application provide a photovoltaic module, including:
[0005] Photovoltaic module body;
[0006] The frame is located at the edge of the photovoltaic module body;
[0007] The first protective layer shall be provided at least on the light-facing side of the frame;
[0008] A self-emissive layer is located on the side of the first protective layer away from the frame. The self-emissive layer is used to absorb ambient light and store energy during a first preset time period, and to release energy and emit light during a second preset time period.
[0009] In one implementation, the thickness of the first protective layer is less than the thickness of the self-emissive layer.
[0010] In one implementation, the thickness of the self-emissive layer is 80μm-150μm.
[0011] In one implementation, the frame includes a first wall and a second wall, the first wall being the light-facing surface of the frame, and the second wall being connected to the first wall and being the side surface of the frame.
[0012] The first protective layer is located on the first wall and the second wall.
[0013] In one implementation, the self-emissive layer located on the first wall has a first thickness, and the self-emissive layer located on the second wall has a second thickness;
[0014] The second thickness is greater than the first thickness.
[0015] In one implementation, the first wall includes a first region and a second region, the self-emissive layer located in the first region has a third thickness, and the self-emissive layer located in the second region has a fourth thickness;
[0016] The third thickness is greater than the fourth thickness.
[0017] In one implementation, the first protective layer is a light-transmitting layer; the first protective layer includes at least one of a coating layer and an adhesion promoter layer.
[0018] In one implementation, the photovoltaic module further includes a second protective layer located on the side of the self-emissive layer opposite to the first protective layer; the second protective layer is a light-transmitting layer.
[0019] In one implementation, the self-emissive layer includes a long-afterglow emissive layer.
[0020] In one implementation, the photovoltaic module body includes multiple solar cells connected in series; a first protective layer and a self-emissive layer are provided between adjacent solar cells.
[0021] On the other hand, embodiments of this application provide a photovoltaic system, including the photovoltaic modules provided in the foregoing embodiments of this application.
[0022] The photovoltaic module and photovoltaic system provided in this application embodiment have a first protective layer set on the edge of the photovoltaic module body, and a self-emissive layer set on the first protective layer. Thus, the self-emissive layer can absorb ambient light and store energy during a first preset time period, and release the energy from the absorbed ambient light through light emission during a second preset time period. This allows for self-emissive emission during the second preset time period, facilitating the formation of patterns, graphics, or text that conform to urban culture, thereby enhancing the adaptability of the photovoltaic module to urban culture and expanding the applicability and application scenarios of the photovoltaic module.
[0023] In addition, by placing the self-emissive layer on the side of the first protective layer away from the frame, the adhesion of the self-emissive layer to the frame can be enhanced by the first protective layer, thereby extending the service life of the self-emissive layer.
[0024] In addition, by setting a self-emissive layer on the frame, the self-emissive layer can absorb ambient light and store energy during the first preset time period. This reduces the amount of energy transferred from ambient light to the frame and lowers the frame temperature. Consequently, it can mitigate the impact of increased frame temperature on the photoelectric conversion efficiency of the photovoltaic module and improve the photoelectric conversion efficiency of the photovoltaic module itself. Attached Figure Description
[0025] Figure 1 This is a three-dimensional structural diagram of a photovoltaic module provided in some embodiments of this application.
[0026] Figure 2 This is a top view of a photovoltaic module provided in some embodiments of this application.
[0027] Figure 3 It is along Figure 2 A cross-sectional view of line AA in the middle.
[0028] Figure 4 It is along Figure 2 Another cross-sectional view of line AA in the middle.
[0029] Figure 5 This is another top view of the photovoltaic module provided in some embodiments of this application.
[0030] Explanation of reference numerals in the attached figures:
[0031] 10- Photovoltaic modules;
[0032] 11-Photovoltaic module body; 12-Frame; 13-First protective layer; 14-Self-emissive layer; 15-Second protective layer;
[0033] 111 - Battery cell; 121 - First wall; 122 - Second wall;
[0034] 1211 - Zone 1; 1212 - Zone 2. Detailed Implementation
[0035] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.
[0036] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.
[0037] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0038] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0039] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0040] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.
[0041] Figure 1 This is a three-dimensional structural diagram of a photovoltaic module provided in some embodiments of this application. Figure 2 This is a top view of a photovoltaic module provided in some embodiments of this application.
[0042] In some examples, refer to Figure 1 As shown in the figure, this application embodiment provides a photovoltaic module 10. The photovoltaic module 10 may include a photovoltaic module body 11.
[0043] In some examples, the photovoltaic module body 11 can absorb light energy and convert it into electrical energy. That is, the photovoltaic module body 11 can be a solar cell 111. Alternatively, the photovoltaic module body 11 can be a string of solar cells.
[0044] In some examples, the photovoltaic module 10 may include a frame 12 to facilitate support and fixation of the photovoltaic module body 11. The frame 12 may be located at the edge of the photovoltaic module body 11.
[0045] In some examples, the photovoltaic module body 11 can be a plate-like or sheet-like structure. The frame 12 can be located at the edge of the plate-like or sheet-like structure.
[0046] In some examples, the connection method between the frame 12 and the photovoltaic module body 11 may be the same as, similar to or similar to that in the related technologies. For details, please refer to the detailed description of the related technologies. This application embodiment will not repeat the details.
[0047] In some examples, border 12 can be a metal border 12.
[0048] In some examples, the frame 12 can be an aluminum alloy frame 12.
[0049] In some examples, the frame 12 can be a stainless steel frame 12.
[0050] In some examples, border 12 can be a rigid plastic border 12. For example, border 12 can be an engineering plastic border 12.
[0051] Figure 3 It is along Figure 2 A cross-sectional view of line AA in the middle.
[0052] In some examples, refer to Figure 3 As shown, the photovoltaic module 10 may include a first protective layer 13. The first protective layer 13 may be disposed at least on the light-facing surface of the frame 12.
[0053] In some examples, the first protective layer 13 may be formed on the light-facing surface of the frame 12 by spraying.
[0054] In some examples, the first protective layer 13 may be formed on the light-facing side of the frame 12 by coating.
[0055] In some examples, the first protective layer 13 may be formed on the light-facing surface of the frame 12 by means of attachment.
[0056] In some examples, the first protective layer 13 may be provided on the light-facing side of the frame 12 and other sides of the frame 12.
[0057] In some examples, refer toFigures 1-3 As shown, the photovoltaic module 10 may include a self-emissive layer 14. The self-emissive layer 14 may be located on the side of the first protective layer 13 opposite to the frame 12. That is, the self-emissive layer 14 may be stacked on the side of the first protective layer 13 opposite to the frame 12.
[0058] In some examples, the self-emissive layer 14 may at least partially cover the first protective layer 13.
[0059] In some examples, the self-emissive layer 14 may completely cover the first protective layer 13.
[0060] In some examples, the self-emissive layer 14 can be used to absorb ambient light and store energy during a first preset time period.
[0061] In some examples, the first preset time period can be a period of daylight. For example, the first preset time period can be daytime.
[0062] In some examples, the self-emissive layer 14 can release energy and emit light during a second preset time period.
[0063] In some examples, the second preset time period can be a period of low or no light. For example, the second preset time period can be nighttime.
[0064] The photovoltaic module 10 provided in this application embodiment has a first protective layer 13 set on the frame 12 along the edge of the photovoltaic module body 11, and a self-emissive layer 14 set on the first protective layer 13. Thus, the self-emissive layer 14 can absorb ambient light and store energy during a first preset time period, and release the absorbed ambient light energy in the form of light emission during a second preset time period. When the self-emissive layer 14 emits light, it facilitates the formation of patterns, graphics, or text that conform to urban culture, thereby improving the adaptability of the photovoltaic module 10 to urban culture and expanding the applicability and usage scenarios of the photovoltaic module 10.
[0065] In addition, by placing the self-emissive layer 14 on the side of the first protective layer 13 away from the frame 12, the adhesion of the self-emissive layer 14 to the frame 12 can be enhanced by the first protective layer 13, thereby extending the service life of the self-emissive layer 14.
[0066] In addition, by setting a self-emissive layer 14 on the frame 12, the self-emissive layer 14 can absorb ambient light and store energy during the first preset time period. This reduces the amount of energy transferred from ambient light to the frame 12 and lowers the temperature of the frame 12. This reduces the impact of the temperature rise of the frame 12 on the photoelectric conversion efficiency of the photovoltaic module body 11 and improves the photoelectric conversion efficiency of the photovoltaic module body 11.
[0067] In some examples, refer to Figure 3 As shown, the thickness of the first protective layer 13 can be less than the thickness of the self-emissive layer 14.
[0068] In some examples, the thickness of the first protective layer 13 may refer to the thickness along a direction perpendicular to the surface of the frame 12 (e.g., Figure 3 (The direction indicated by either the y-axis or the x-axis), and the dimensions of the first protective layer 13.
[0069] In some examples, the thickness of the first protective layer 13 may refer to the size of the first protective layer 13 along the stacking direction of the border 12, the first protective layer 13, and the self-illuminating layer 14.
[0070] In some examples, the thickness of the self-emissive layer 14 may refer to the size of the self-emissive layer 14 along the stacking direction of the border 12, the first protective layer 13, and the self-emissive layer 14.
[0071] In some examples of embodiments of this application, the thickness of the first protective layer 13 is set to be less than the thickness of the self-emissive layer 14. This reduces the amount of material used in the first protective layer 13, thereby saving on the production and processing costs of the photovoltaic module 10.
[0072] In some examples, the thickness of the self-emissive layer 14 can be 80 μm-150 μm.
[0073] In some examples, the thickness of the self-emissive layer 14 can be 80 μm-120 μm.
[0074] In some examples, the thickness of the self-emissive layer 14 can be 80 μm-100 μm.
[0075] In some examples, the thickness of the self-emissive layer 14 can be 100μm-150μm.
[0076] In some examples, the thickness of the self-emissive layer 14 can be 120 μm-150 μm.
[0077] In some examples of embodiments of this application, the thickness of the self-emissive layer 14 is set to 80μm-150μm. This ensures, on the one hand, that the self-emissive layer 14 has sufficient thickness to provide adequate brightness during the second preset time period, thus guaranteeing its luminous brightness; on the other hand, by controlling the thickness of the self-emissive layer 14 within a certain range, it allows the layer to fully absorb ambient light during the first preset time period, avoiding the situation where excessive thickness of the layer reduces the light absorption of some parts of the self-emissive layer 14. This ensures full utilization of the self-emissive layer 14, avoids material waste, and reduces the production and processing costs of the photovoltaic module 10.
[0078] In some examples, border 12 may include a first wall 121. The first wall 121 may be the light-facing surface of border 12.
[0079] In some examples, border 12 may include a second wall 122. The second wall 122 may be a side of border 12. That is, the second wall 122 is not coplanar or parallel to the first wall 121. The plane containing the second wall 122 may intersect the plane containing the first wall 121.
[0080] In some examples, the plane containing the second wall 122 may be perpendicular to the plane containing the first wall 121.
[0081] In some examples, refer to Figure 1 and Figure 3 As shown, the first protective layer 13 can be disposed on the first wall 121 and the second wall 122.
[0082] In some examples, the self-illuminating layer 14 located on the side of the first protective layer 13 away from the frame 12 can be disposed on the first wall 121 and the second wall 122.
[0083] In other words, in some examples of embodiments of this application, the first wall 121 and the second wall 122 of the frame 12 can both be provided with a first protective layer 13 and a self-illuminating layer 14.
[0084] In some examples, refer to Figure 1 As shown, the frame 12 may have multiple second walls 122. Any one of the multiple second walls 122 may be provided with a first protective layer 13 and a self-illuminating layer 14.
[0085] In some examples of embodiments of this application, a first protective layer 13 and a self-emissive layer 14 are provided on both the first wall 121 and the second wall 122 of the frame 12. Thus, when the self-emissive layer 14 emits light during a second preset time period, the self-emissive layer 14 of the photovoltaic module 10 can be observed from various angles, which can improve the integration of the photovoltaic module 10 with the usage environment and enhance the applicability and usage scenarios of the photovoltaic module 10.
[0086] In some examples, refer to Figure 3 As shown, the self-luminous layer 14 located on the first wall 121 may have a first thickness h1.
[0087] In some examples, the first thickness h1 may refer to the self-emissive layer 14 along the stacking direction of the border 12, the first protective layer 13, and the self-emissive layer 14 (e.g., Figure 3 The thickness along the direction indicated by the y-axis.
[0088] In some examples, refer to Figure 3 As shown, the self-luminous layer 14 located on the second wall 122 may have a second thickness h2.
[0089] In some examples, the second thickness h2 may refer to the stacking direction of the self-emissive layer 14 along the border 12, the first protective layer 13, and the second wall 122 (e.g., Figure 3 The thickness along the direction indicated by the x-axis.
[0090] In some examples, the second thickness h2 can be greater than the first thickness h1.
[0091] In some examples of embodiments of this application, by setting the thickness (i.e., the second thickness h2) of the self-emissive layer 14 located on the second wall 122 to be greater than the thickness (i.e., the first thickness h1) of the self-emissive layer 14 located on the first wall 121, it can be ensured that the luminous brightness of the self-emissive layer 14 on the second wall 122 with relatively less light absorption is consistent with the luminous brightness of the self-emissive layer 14 on the first wall 121 with more light absorption, thereby improving the uniformity of the luminous brightness of the self-emissive layer 14.
[0092] Figure 4 It is along Figure 2 Another cross-sectional view of line AA in the middle.
[0093] In some examples, refer to Figure 4 As shown, the first wall 121 may include a first region 1211. The first region 1211 may be a portion of the first wall 121.
[0094] In some examples, the self-emissive layer 14 located in the first region 1211 may have a third thickness h3.
[0095] In some examples, refer to Figure 4 As shown, the first wall 121 may include a second region 1212. The second region 1212 may be another part of the first wall 121.
[0096] In some examples, the second zone 1212 can be adjacent to the first zone 1211.
[0097] In some examples, the second zone 1212 can be separated from the first zone 1211.
[0098] In some examples, the self-emissive layer 14 located in the second region 1212 may have a fourth thickness h4.
[0099] In some examples, the third thickness h3 can be greater than the fourth thickness h4.
[0100] In some examples of embodiments of this application, the first wall 121 is divided into different regions such as a first region 1211 and a second region 1212. The thickness of the self-emissive layer 14 in the first region 1211 is set to a third thickness h3, and the thickness of the self-emissive layer 14 in the second region 1212 is set to a fourth thickness h4. The third thickness h3 is set to be greater than the fourth thickness h4. In this way, self-emissive layers 14 of different thicknesses can be set in different regions of the first wall 121, and different patterns can be formed by the different luminous brightness of the self-emissive layers 14 of different thicknesses. This facilitates the matching of different patterns with different usage environments and can increase the applicability and usage scenarios of the photovoltaic module 10.
[0101] In some examples, the first protective layer 13 can be a light-transmitting layer.
[0102] In some examples, the first protective layer 13 can be a fully transparent layer. For example, the light transmittance of the first protective layer 13 can be greater than 90%.
[0103] In some examples, the first protective layer 13 can be a semi-transparent layer. For example, the light transmittance of the first protective layer 13 can be 40%-60%.
[0104] In some examples, the first protective layer 13 may include at least one of an coating layer and an adhesion promoter layer.
[0105] In some examples, the coating layer may include a mixture of polyurethane, silane coupling agents, and antioxidants. It is understood that the specific material types of the coating layer in some examples of this application's embodiments are merely illustrative examples and are not intended to limit the specific materials used in the coating layer. In other instances, the coating layer may employ other types of materials, which are not listed here.
[0106] In some examples, the adhesion promoter layer may include at least one of resin-based adhesion promoters, silane coupling agents, titanate coupling agents, and organic polymer compounds.
[0107] It is understood that in some examples of the embodiments of this application, the specific type of adhesion promoter layer is only shown as a specific example and is not intended to limit the specific type of adhesion promoter layer.
[0108] In some examples of embodiments of this application, the first protective layer 13 is set as a light-transmitting layer, and at least one of a coating layer and an adhesion promoter layer is used as the first protective layer 13. This ensures, on the one hand, that the overall appearance of the photovoltaic module 10 remains unchanged, facilitating its use in conjunction with other photovoltaic modules 10 and expanding its applicability; on the other hand, it enhances the adhesion of the self-emissive layer 14 to the frame 12, improving the wear resistance of the self-emissive layer 14 and extending the service life of the photovoltaic module 10.
[0109] In some examples, continue to refer to Figure 4 As shown, the photovoltaic module 10 may include a second protective layer 15. The second protective layer 15 may be located on the side of the self-emissive layer 14 opposite to the first protective layer 13.
[0110] In some examples, the second protective layer 15 can be a light-transmitting layer.
[0111] In some examples, the second protective layer 15 can be a fully transparent layer. For example, the light transmittance of the second protective layer 15 can be greater than 90%.
[0112] In some examples, the second protective layer 15 may include a mixture of propyltrimethoxysilane (KH-560), acrylic acid, and a UV absorber. It is understood that the specific type of the second protective layer 15 in some examples of the embodiments of this application is shown only as a specific example and is not intended to limit the specific type of the second protective layer 15.
[0113] In some examples of embodiments of this application, a second protective layer 15 is provided on the side of the self-emissive layer 14 facing away from the first protective layer 13, and the second protective layer 15 is set as a light-transmitting layer. In this way, ambient light can pass through the second protective layer 15 and be absorbed by the self-emissive layer 14; in addition, the second protective layer 15 can isolate the self-emissive layer 14 from the damage caused by moisture, dust and other elements in the environment, and can absorb ultraviolet light, thereby improving the anti-ultraviolet aging performance of the self-emissive layer 14 and extending its service life.
[0114] In some examples, the self-emissive layer 14 may include a long afterglow layer.
[0115] In some examples, the long afterglow layer may include europium-dysprosium co-doped strontium aluminate (SrAl2O4:Eu). 2+ ,Dy 3+ It is understood that in some examples of embodiments of this application, the specific type of the self-emissive layer 14 is only shown as a specific example and is not intended to limit the specific type of the self-emissive layer 14.
[0116] In some examples of embodiments of this application, the self-emissive layer 14 is fabricated using a long afterglow layer, which can extend the luminescence duration of the self-emissive layer 14 within a second preset time period. This expands the applicability of the photovoltaic module 10.
[0117] In some examples, when manufacturing the photovoltaic module 10 provided in the embodiments of this application, the manufacturing method of the photovoltaic module body 11 may be the same as, similar to or similar to the manufacturing method in the related technology. For details, please refer to the detailed description in the related technology. The embodiments of this application will not repeat the details here.
[0118] In some examples, after the photovoltaic module body 11 is manufactured, a first protective layer 13 can be sprayed onto the frame 12 to form a self-emissive layer 14, followed by spraying. After the self-emissive layer 14 is sprayed, the frame 12 can be dried. It is understood that when drying the frame 12, the drying temperature can be controlled within a temperature range that will not affect the first protective layer 13 and the self-emissive layer 14. The specific temperature can be determined based on the materials selected for the first protective layer 13 and the self-emissive layer 14, which will not be elaborated further in this embodiment.
[0119] Figure 5 This is another top view of the photovoltaic module provided in some embodiments of this application.
[0120] In some examples, refer to Figure 5 As shown, the photovoltaic module body 11 may include multiple solar cells 111. The multiple solar cells 111 may be connected in series.
[0121] In some examples, a first protective layer 13 and a self-emissive layer 14 may be provided in the gap between adjacent battery cells 111. The self-emissive layer 14 may be located on the light-facing side of the first protective layer 13.
[0122] In some examples, the first protective layer 13 and the self-emissive layer 14 disposed in the gap between adjacent battery cells 111 may be the same as, similar to or similar to the first protective layer 13 and the self-emissive layer 14 disposed on the frame 12 in the foregoing embodiments of this application. For details, please refer to the detailed description of the foregoing embodiments of this application. The embodiments of this application will not repeat the details.
[0123] In some examples of embodiments of this application, by setting a first protective layer 13 and a self-emissive layer 14 in the gap between adjacent battery cells, the gap between adjacent battery cells 111 can be fully utilized, the coverage area of the self-emissive layer 14 can be increased, and the application scenarios of the photovoltaic module 10 can be expanded.
[0124] On the other hand, some examples of embodiments of this application provide a photovoltaic system, including the photovoltaic module 10 provided in the foregoing embodiments of this application.
[0125] It is understood that some examples of the photovoltaic systems provided in the embodiments of this application have the same or corresponding technical features as the photovoltaic modules 10 provided in the foregoing embodiments of this application. Therefore, the photovoltaic systems provided in the embodiments of this application and the photovoltaic modules 10 provided in the foregoing embodiments of this application may have the same or similar technical effects. For details, please refer to the detailed description of the foregoing embodiments of this application. The embodiments of this application will not repeat the details.
[0126] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0127] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.
Claims
1. A photovoltaic module, characterized in that, include: Photovoltaic module body (11); A frame (12) is provided at the edge of the photovoltaic module body (11); The first protective layer (13) is provided at least on the light-facing surface of the frame (12); A self-emissive layer (14) is located on the side of the first protective layer (13) away from the frame (12); the self-emissive layer (14) is used to absorb ambient light and store energy during a first preset time period, and to release energy and emit light during a second preset time period.
2. The photovoltaic module according to claim 1, characterized in that, The thickness of the first protective layer (13) is less than the thickness of the self-luminous layer (14).
3. The photovoltaic module according to claim 2, characterized in that, The thickness of the self-luminous layer (14) is 80μm-150μm.
4. The photovoltaic module according to claim 1, characterized in that, The frame (12) includes a first wall (121) and a second wall (122). The first wall (121) is the light-facing surface of the frame (12), and the second wall (122) is connected to the first wall (121). The second wall (122) is the side surface of the frame (12). The first protective layer (13) is provided on the first wall (121) and the second wall (122).
5. The photovoltaic module according to claim 4, characterized in that, The self-luminescent layer (14) located on the first wall (121) has a first thickness, and the self-luminescent layer (14) located on the second wall (122) has a second thickness; The second thickness is greater than the first thickness.
6. The photovoltaic module according to claim 4, characterized in that, The first wall (121) includes a first region (1211) and a second region (1212), the self-luminous layer (14) located in the first region (1211) has a third thickness, and the self-luminous layer (14) located in the second region (1212) has a fourth thickness; The third thickness is greater than the fourth thickness.
7. The photovoltaic module according to any one of claims 1-6, characterized in that, The first protective layer (13) is a light-transmitting layer; the first protective layer (13) includes at least one of a coating layer and an adhesion promoter layer.
8. The photovoltaic module according to any one of claims 1-6, characterized in that, The photovoltaic module further includes a second protective layer (15), which is located on the side of the self-emissive layer (14) away from the first protective layer (13); the second protective layer (15) is a light-transmitting layer.
9. The photovoltaic module according to any one of claims 1-6, characterized in that, The self-luminescent layer (14) includes a long afterglow luminescent layer.
10. The photovoltaic module according to any one of claims 1-6, characterized in that, The photovoltaic module body (11) includes multiple solar cells (111) connected in series; the gap between adjacent solar cells (111) is provided with the first protective layer (13) and the self-luminous layer (14).
11. A photovoltaic system, characterized in that, Includes the photovoltaic module (10) as described in any one of claims 1-10.