Solar cell panel, solar cell module, solar cell panel production method, solar cell paddle, and artificial satellite

Abstract

A solar cell panel (100) comprises: a solar cell module (130) in which a plurality of solar battery cells (132) are fixed to a film (131); and a plate-shaped substrate (110). The solar cell module (130) is disposed on the one surface (111) side of the substrate (110) such that there is a gap (114) formed between the solar cell module (130) and said one surface (111) of the substrate (110). Output wiring from the solar cell module (130) is routed to said one surface (111) of the substrate (110) via the gap (114).

Description

Solar cell panel, solar cell module, solar cell panel manufacturing method, solar cell paddle, and artificial satellite

[0001] The present disclosure relates to a solar cell panel, a solar cell module, a method for manufacturing a solar cell panel, a solar cell paddle, and an artificial satellite.

[0002] A solar paddle is equipped with multiple solar panels to generate the power required by a satellite. Here, the solar panel comprises a substrate, which is a rigid body with a honeycomb structure, and multiple solar cells. In the solar panel, multiple solar cells are attached to the entire surface of each substrate, and the solar cells receive sunlight and generate electricity. Each solar panel is connected to the satellite body by wiring to supply the power generated by each solar panel to the satellite body.

[0003] Generally, wiring is placed on the back side of the solar cell panel. When wiring is placed on the front side of the solar cell panel, the area of ​​the solar cell elements placed on the front side is reduced by the wiring, and the generated power is also reduced. For this reason, wiring is usually placed on the back side of the solar cell panel. Solar cell panels are deployed in space, and current is supplied from the deployed multiple solar cell panels to the main body of the satellite through wiring. In order to pass current from the solar cell panels located on the outside to the main body of the satellite, more wiring is installed on the back side of the solar cell panels located on the inside.

[0004] The wiring installation areas for the solar panels located on the outside of the satellite body and those located on the inside are different, so a dedicated wiring design is essential for each solar panel.

[0005] Patent Document 1 discloses a technique for standardizing the wiring design of transmission paths that pass current on the back surface of a solar cell panel.

[0006] Patent No. 6602468

[0007] In the technology of Patent Document 1, wiring from both the solar cell arranged on the solar panel and the wiring from the adjacent solar panel are all done on the back surface of the solar panel. Therefore, when there are many solar cell panels in a solar paddle, there is a problem that the amount of wiring on the back surface of the solar cell panel becomes very large and the wiring design becomes complicated.

[0008] The present disclosure aims to increase the area for wiring output wiring by providing a gap between the solar cell module and the substrate.

[0009] The solar cell panel according to the present disclosure comprises a solar cell module having a plurality of solar cells fixed to a film and a plate-shaped substrate, and the solar cell module is arranged on one side of the substrate so as to form a gap between the solar cell module and the one side of the substrate.

[0010] According to the solar cell panel of the present disclosure, a gap is provided between the solar cell module and the substrate, which advantageously increases the area for wiring output wiring.

[0011] 1 is a diagram showing an example of the configuration of an artificial satellite according to the first embodiment. FIG. 2 is a diagram showing an example of the configuration of a solar cell panel according to the first embodiment. FIG. 3 is a diagram showing an example of the configuration of a solar cell module according to the first embodiment. FIG. 4 is a diagram showing an example of a partial cross-section of a solar cell module according to the first embodiment. FIG. 5 is a diagram showing an example of a cross-section of a solar cell panel according to the first embodiment. FIG. 6 is a diagram showing examples of wiring for a solar cell panel according to the first embodiment and a comparative example. FIG. 7 is a diagram showing an example of a cross-section of a substrate with wiring according to the first embodiment. FIG. 8 is a diagram showing an example of a perspective view of a substrate with wiring according to the first embodiment. FIG. 9 is a diagram explaining fixing points and electrical connection points of a substrate with wiring according to the first embodiment. FIG. 10 is a flow diagram showing a manufacturing method of a solar cell panel according to the first embodiment. FIG. 11 is a diagram showing the configuration of a support according to a modified example of the first embodiment. FIG. 12 is a diagram showing an example of a cross-section of a substrate according to the modified example of the first embodiment. FIG. 13 is a diagram showing an example of a perspective view of a substrate according to the modified example of the first embodiment. FIG. 14 is a diagram showing a solar cell panel according to the first embodiment and a comparative example. FIG. 15 is a diagram showing an example of a construction period for a solar cell panel according to the first embodiment and an example of a construction period for a solar cell panel of the comparative example.

[0012] The present embodiment will be described below with reference to the drawings. In each drawing, identical or corresponding parts are designated by the same reference numerals. In the description of the embodiment, the description of identical or corresponding parts will be omitted or simplified as appropriate. Arrows in the drawings mainly indicate the flow of data or the flow of processing. Furthermore, the sized relationships between components in the following drawings may differ from the actual relationships. Furthermore, in the description of the embodiment, directions or positions such as up, down, left, right, front, rear, front and back may be indicated. These notations are used for convenience of explanation and do not limit the placement, direction or orientation of devices, instruments, parts, etc.

[0013] Embodiment 1. ***Description of Configuration*** Figure 1 is a diagram showing an example of the configuration of a satellite 500 according to this embodiment. The satellite 500 according to this embodiment includes a satellite main body 510 and a solar array paddle 200. The solar array paddle 200 includes a plurality of solar array panels 100. The solar array paddle 200 is configured, for example, so that the solar array panels 100 can be folded. The solar array paddle 200 deploys the solar array panels 100 in an area where it can receive sunlight. The solar array paddle 200 generates electricity by receiving sunlight with the solar array panels 100 and supplies the electricity to the satellite main body 510.

[0014] FIG. 2 is a diagram showing an example of the configuration of a solar cell panel 100 according to this embodiment. As shown in FIG. 2, the solar cell panel 100 includes a solar cell module 130 and a substrate 110. The substrate 110 is plate-shaped and includes one surface 111 and a back surface 112 that is the surface opposite to the first surface 111. The detailed configuration of the substrate 110 will be described later. In the solar cell panel 100, a plurality of solar cell modules 130 are arranged on the one surface 111 side of the substrate 110. In the example of FIG. 2, 16 solar cell modules 130 are arranged on the one surface 111 side of the substrate 110. The detailed configuration of the solar cell module 130 will be described later.

[0015] The solar cell panel 100 also includes a support 120 for supporting the solar cell module 130 on the side of the one surface 111 of the substrate 110. The support 120 is attached to the one surface 111 of the substrate 110 and supports the solar cell module 130 so as to form a gap 140 between the solar cell module 130 and the one surface 111 of the substrate 110. The detailed configuration of the support 120 will be described later.

[0016] FIG. 3 is a diagram illustrating an example of a configuration of a solar cell module 130 according to this embodiment. FIG. 4 is a diagram illustrating an example of a partial cross-sectional view of the solar cell module 130 according to this embodiment. The solar cell module 130 is also referred to as an SPM. SPM is an abbreviation for Solar Power Module. The solar cell module 130 is a module in which a plurality of solar cell cells 132 are fixed to a film 131. The film 131 is also referred to as a substrate. An example of the film 131 is a substrate such as a polyimide film. The solar cell cells 132 are also referred to as solar cell elements. The plurality of solar cell cells 132 are electrically connected by, for example, metal fittings called interconnectors. In addition, a bus bar 134 is provided at an end of the film 131, electrically connecting the interconnector and a wire (output wiring). The plurality of solar cell cells 132 are electrically connected from the bus bar (+ side) to the bus bar (- side).

[0017] As shown in FIG. 2, the solar cell modules 130 are arranged so that a gap 140 is formed between the film 131 and one surface 111 of the substrate 110 .

[0018] Each of the solar cell module 130 in Fig. 2 and the solar cell module 130 in Fig. 3 is an example of the solar cell module 130. The solar cell module 130 in Fig. 2 and the solar cell module 130 in Fig. 3 have different configurations, but the configurations such as the shape and size of the film 131 and the number and shape of the solar cell 132 are changed as appropriate to suit the power requirements of the satellite.

[0019] An example of the configuration of a solar cell module 130 according to this embodiment will be described with reference to Fig. 4. The solar cell module 130 includes a film 131, a solar cell 132, a cover glass 133, an interconnector, and a bus bar 134. The protective cover glass 133 is fixed to the light-receiving surface side of the solar cell 132 with an adhesive. The solar cell 132 to which the cover glass 133 is fixed is called a CIC. CIC is an abbreviation for Coverglass Integrated Cell.

[0020] The interconnector is a metal fitting that connects the solar cell units. The film 131 is a base member that holds the CICs connected by the interconnector. The film 131 is, for example, a polyimide film. The CICs connected by the interconnector are fixed to the film 131 with an adhesive. A bus bar 134 is fixed to the end of the film 131. The solar cell units 132 and the bus bar 134 are electrically connected by the interconnector.

[0021] The dotted line frame in Fig. 4 shows only one end of the film 131. A bus bar is also provided at the other end of the film 131 as shown in Fig. 3, and the multiple solar battery cells 132 are electrically connected from the bus bar (+ side) to the bus bar (- side).

[0022] 5 is a diagram showing an example of a cross-sectional view of a solar cell panel 100 according to this embodiment. The solar cell panel 100 includes a solar cell module 130, a substrate 110, and a support 120. The solar cell panel 100 according to this embodiment has a two-layer structure on one surface 111 of the substrate 110, with a layer for mounting solar cells and a layer for wiring.

[0023] The substrate 110 is also called a wired substrate. The substrate 110 is a rigid body with a honeycomb structure and has one surface 111 and a back surface 112. A plurality of supports 120 are disposed between the solar cell module 130 and the substrate 110 to fix the solar cell module 130 and the substrate 110. The supports 120 provide a gap 114 between the solar cell module 130 and the substrate 110. The solar cell module 130 is provided with a bus bar, which is a metal terminal that extracts current generated within the solar cell module to the outside of the solar cell module, and the substrate 110 and the bus bar are electrically connected by wiring.

[0024] 5, the wiring is shown passing through the rear side of the support 120, but it may also pass through the front side of the support 120. The size, position, number, and arrangement of the support 120 are determined by various factors, such as the size and strength of the substrate 110 and the size, position, number, and arrangement of the solar cell modules 130. Output wiring from the solar cell modules mounted on the solar cell panel 100 is routed to the one surface 111 through gaps 114 formed by appropriately set support 120.

[0025] 5, output wiring from the solar cell module 130 is routed to one surface 111 of the substrate 110 through a gap 140. In addition, wiring from a solar cell panel adjacent to the solar cell panel 100 is routed to a back surface 112, which is the surface opposite to the one surface 111 of the substrate 110.

[0026] FIG. 6 is a diagram showing examples of wiring in a solar cell panel 100 according to the present embodiment and a comparative example. FIG. 6 shows an example of wiring for four solar cell panels 100. The middle part of FIG. 6 shows wiring on one surface 111 of a substrate 110 in a solar cell panel 100 according to the present embodiment. The bottom part of FIG. 6 shows wiring on a back surface 112 of a substrate 110 in a solar cell panel 100 according to the present embodiment. In the solar cell panel 100 according to the present embodiment, wires connecting to the solar cell modules 130 on the solar cell panel 100 are wired on the one surface 111, which is the side on which the solar cell modules 130 are arranged. In addition, in the solar cell panel 100 according to the present embodiment, wires coming out from an adjacent solar cell panel 100 are wired on the back surface 112, which is the opposite side of the one surface 111.

[0027] An example of wiring on the back surface of the substrate in a solar cell panel of a comparative example is shown in the upper part of Fig. 6. A comparison between the solar cell panel 100 according to the present embodiment and the comparative example using Fig. 6 will be described later.

[0028] Fig. 7 is a diagram showing an example of a cross-sectional view of a wired substrate 110 according to this embodiment. Fig. 8 is a diagram showing an example of a perspective view of a wired substrate 110 according to this embodiment. The wired substrate 110 includes the substrate 110, a wiring cable arranged on one surface 111 on which a solar cell module 130 is installed, and a wiring cable arranged on a back surface 112 of the substrate 110. In addition, a plurality of supports 120 are fixed to the one surface 111. In the example of Fig. 7, blocks are fixed to the one surface 111 as the supports 120.

[0029] In the example of Fig. 8, block supports 120 are fixed to the four corners of one surface 111. The block supports 120 are fixed, for example, with an adhesive. Each block has the same height. As mentioned above, the size, installation location, and installation quantity of the supports 120 shown in Fig. 8 are merely examples.

[0030] FIG. 9 is a diagram illustrating the fixing points and electrical connection points of the wired substrate 110 according to this embodiment. The solar cell module 130 is placed on the support 120 described in FIGS. 7 and 8, and the upper surface of the support 120 and the back surface of the film 131 of the solar cell module 130 are fixed with an adhesive. Meanwhile, a bus bar 134 is provided on the surface of the film 131. This bus bar 134 and the solar cell 132 are connected in advance with an interconnector. One end of the wire 117 of the wired substrate 110 described in FIGS. 7 and 8 is routed and fixed to the bus bar 134 to which the interconnector is fixed. The fixing may be by adhesive, soldering, or welding.

[0031] ***Description of Manufacturing Method*** The steps in the manufacturing method of the solar cell panel 100 are as follows. (1) In the first wiring step, the output wiring of the solar cell module 130 is wired to one surface 111 of the substrate 110. (2) In the support fixing step, the support 120 for supporting the solar cell module 130 is fixed to the one surface 111 of the substrate 110 in a position that does not interfere with the output wiring of the solar cell module 130. (3) In the module fixing step, the solar cell module 130 is fixed to the support 120. (4) In the second wiring step, the output wiring from an adjacent solar cell panel is wired to the back surface 112, which is the surface opposite the one surface 111. In the manufacturing method of the solar cell panel 100, it is preferable to carry out the above-mentioned first wiring step and support fixing step in parallel with the module manufacturing step of manufacturing the solar cell module 130. More specifically, the steps are as follows.

[0032] Fig. 10 is a flow diagram showing a manufacturing method of the solar cell panel 100 according to this embodiment. As shown in Fig. 10, steps S101 to S103 are a module manufacturing process for manufacturing the solar cell module 130. Step S202 corresponds to a first wiring step. Step S203 corresponds to a support fixing step.

[0033] <Steps S101 to S103: Module Manufacturing Process> In step S101, a CIC is manufactured. As described in FIG. 4 , in the CIC, cover glass 133 is bonded to solar cell 132. In step S102, interconnectors are used to connect the CICs together. Also, interconnectors are used to connect the CICs to bus bars. In step S103, the CICs and bus bars connected by the interconnectors are fixed to film 131 with an adhesive.

[0034] <Steps S201 to S203: First Wiring Step, Support Fixing Step> In step S201, a substrate 110 is prepared. The substrate 110 has a honeycomb structure and upper and lower skins on a first surface 111 and a back surface 112. In step S202, a first wiring step is performed to wire the output wiring of the solar cell module 130 on the first surface of the substrate 110. Specifically, wiring and diodes from the solar cell module 130 to be mounted on the solar cell panel 100 are fixed to the first surface 111 of the substrate 110 with an adhesive. In step S203, a support 120 for supporting the solar cell module 130 is fixed to the first surface 111 of the substrate 110. Specifically, a block is fixed to the first surface 111 as the support 120 with double-sided tape or the like. For example, the support 120 is fixed in a position that does not interfere with the output wiring of the solar cell module 130 formed in step S202.

[0035] As shown in FIG. 10, it is preferable to carry out steps S201 to S203, including the first wiring step and the support fixing step, and the module manufacturing step of steps S101 to S103, in parallel.

[0036] <Steps S11 to S12: Module Fixing Process> In step S11, the solar cell module 130 is fixed to the support body 120. Specifically, the solar cell module 130 is placed on a block of the substrate and fixed using double-sided tape or the like. In step S12, one end of the wiring fixed to the substrate 110 is pulled up and fixed to a bus bar on one side of the solar cell module 130.

[0037] <Step S13: Second Wiring Step> In step S13, a second wiring step is carried out in which output wiring from a solar cell panel adjacent to the solar cell panel 100 is wired to the back surface 112 of the substrate 110. Specifically, the wires from the adjacent solar cell panel are routed to the back surface 112 of the substrate 110. At this time, the wires from the adjacent solar cell panel are brought to the back surface 112 of the substrate 110 via the gap 116 formed between the adjacent solar cell panels shown in FIG. 6 . Then, the wires from the adjacent solar cell panel are wired and fixed on the back surface 112 side of the substrate 110.

[0038] <Step S14: Solar Array Paddle Manufacturing Process> In step S14, the wiring provided on one surface 111 of the substrate 110, i.e., the output wiring from the solar array module 130, is connected to the wiring on the back surface of the next solar array panel via an inter-panel harness. Note that in the case of a solar array panel connected to the satellite main body 510, there is no next solar array panel. In this way, the solar array paddle 200 is manufactured.

[0039] ***Other Configurations*** <Variation 1> Fig. 11 is a diagram showing the configuration of a support body 120 according to a variation of this embodiment. Here, a variation of the support body 120 will be described. The support body 120 may be a hook-and-loop fastener 121 that is detachable from the surface. The hook-and-loop fastener 121 has a first surface 211 and a second surface 212. The first surface 211 is attached to the back side of the film 131 of the solar cell module 130. For example, the first surface 211 is attached to the back side of the film 131 with an adhesive. The second surface 212 is attached to one surface 111 of the substrate 110. For example, the second surface 212 is attached to the one surface 111 with an adhesive.

[0040] As shown in FIG. 11 , by engaging the first surface portion 211 and the second surface portion 212 in a planar manner, the solar cell module 130 is fixed to the one surface 111 side, and a gap 140 is provided.

[0041] In solar cell module 130 according to the modified example of this embodiment, first surface 211 of hook-and-loop fastener 121, which engages with second surface 212 attached to one surface 111 of substrate 110, is fixed to the other surface of film 131. That is, in solar cell module 130 according to the modified example of this embodiment, first surface 211, which is the hook-and-loop fastener on one side from which hook-and-loop fastener 121 is peeled off, is fixed to the other surface of film 131 with an adhesive or the like.

[0042] <Modification 2> As another modification of the support 120, the support 120 may be a thermoelectric element attached to one surface 111 of the substrate 110. A thermoelectric element is, for example, a block-shaped element that generates electricity by utilizing a temperature difference. By using a thermoelectric element as the support 120, the thermoelectric element generates electricity due to the difference in temperature between the solar cell module 130 and the one surface 111 of the substrate 110. By connecting the thermoelectric element used as the support 120 to wiring on the one surface 111, it is possible to transmit power generated by the thermoelectric element to the satellite main body 510. This makes it possible to increase the amount of power supplied.

[0043] <Modification 3> Fig. 12 is a diagram showing an example of a cross-sectional view of a substrate 110 according to a modification of this embodiment. Fig. 13 is a diagram showing an example of a perspective view of a substrate 110 according to a modification of this embodiment. In the solar cell panel 100 according to this modification of this embodiment, a protrusion 118 protruding from one surface 111 of the substrate 110 is provided as a support 120. Then, a recess 115, through which output wiring from the solar cell module 130 is routed, is formed along the protrusion 118 on the one surface 111 side of the substrate 110.

[0044] The solar cell module 130 can be fixed to the upper surface of the protrusion 118, which simplifies the manufacturing of the solar cell panel. In addition, wiring can be routed through the recess 115 on the surface 111 of the substrate 110, which further simplifies the wiring work.

[0045] ***Explanation of the Effects of the Present Embodiment*** As described above, with the solar cell panel according to the present embodiment, a gap is provided between the solar cell module and the substrate, and the output wiring of the solar cell module can be routed on one side of the substrate. In addition, wires from an adjacent solar cell panel can also be routed on the back side of the substrate. In this way, the wiring area can be increased to both sides of the substrate, thereby simplifying and sharing the wiring.

[0046] FIG. 14 shows a solar cell panel according to the present embodiment and a comparative example. The upper part of FIG. 14 shows a perspective view and a cross-sectional view of a solar cell panel of the comparative example. The lower part of FIG. 14 shows a perspective view and a cross-sectional view of a solar cell panel 100 according to the present embodiment. In the comparative example in the upper part of FIG. 14, the wiring of the solar cell panel is mainly implemented on the back surface of the substrate. Although the wiring of the solar cell panel is also implemented to a small extent on the front surface of the solar cell panel, there is a problem in that the wiring on the front surface of the solar cell panel interferes with light reception. On the other hand, in the solar cell panel 100 according to the present embodiment in the lower part of FIG. 14, the output wiring of the solar cell module 130 mounted on the solar cell panel is routed on one surface 111 of the substrate 110. In the solar cell panel 100 according to the present embodiment, the wires from the adjacent solar cell panel are routed on the back surface 112 of the substrate 110.

[0047] Further explanation will be given using Figure 6. The upper part of Figure 6 shows the back surface of the substrate in a solar cell panel of a comparative example. Solid lines indicate lines connecting to solar cell modules on the solar cell panel. Dotted lines indicate lines coming from adjacent solar cell panels. The middle part of Figure 6 shows one surface 111 of the substrate 110 in the solar cell panel 100 according to this embodiment. The lower part of Figure 6 shows the back surface 112 of the substrate 110 in the solar cell panel 100 according to this embodiment.

[0048] In the comparative example, the wiring connecting to the solar cell modules on the solar cell panel is shown as being common on the backside of the substrate. This is for simplicity's sake; in reality, it is more complicated, with each solar cell panel individually designed and with no commonality. It can also be seen that the wiring connecting to the solar cell module and the wiring coming out of the adjacent solar cell panel are wired on the backside of the same substrate, making it even more complicated.

[0049] On the other hand, in the solar cell panel 100 according to the present embodiment, wires connected to the solar cell modules 130 on the solar cell panel 100 are wired on the first surface 111. Furthermore, in the solar cell panel 100 according to the present embodiment, wires coming out from an adjacent solar cell panel 100 are wired on the back surface 112 opposite the first surface 111. By using the space 116 provided between the solar cell panels 100, the wires on the first surface 111 side of the adjacent solar cell panel 100 can be routed to the back surface 112 of the substrate 110. On the back surface 112 of the substrate 110, the wires on the first surface 111 side of the adjacent solar cell panel 100 can be gathered and routed in a substantially straight line. Then, the wires can be simply routed to the back surface of the next solar cell panel 100.

[0050] In this way, in the solar cell panel 100 according to this embodiment, the first surface 111 can be almost completely common. Also, on the back surface 112, the amount of wiring is extremely small, wiring can be arranged in an almost straight line, and no complicated wiring is present.

[0051] FIG. 15 is a diagram showing an example of the construction period for a solar cell panel according to the present embodiment and an example of the construction period for a solar cell panel of a comparative example. The upper part of FIG. 15 shows an example of the construction period for a solar cell panel of the comparative example. In the comparative example, a preparatory process of attaching solar cells to a substrate, which is a structural body, a process of attaching the solar cells to the substrate, and a process of wiring the solar cell panel are carried out in sequence. In the solar cell panel of the comparative example, it is difficult to wire the solar cells before attaching them to the substrate. Therefore, in the comparative example, the manufacturing process in which it is difficult to wire the solar cells before attaching them to the substrate becomes a bottleneck, making it impossible to shorten the construction period.

[0052] The lower part of Figure 15 shows an example of the construction period for the solar cell panel 100 according to this embodiment. With the solar cell panel 100 according to this embodiment, the preparatory process of attaching solar cells to a substrate and the process of wiring one side of the substrate and the other side can be performed in parallel. Therefore, with the solar cell panel 100 according to this embodiment, parallel work is possible, eliminating waiting time and dramatically shortening the construction period. Furthermore, with the solar cell panel 100 according to this embodiment, wiring mounting surfaces can be separated by type, simplifying wiring and improving work efficiency. Thus, the construction period for the solar cell panel 100 according to this embodiment can be shortened to approximately one-half to one-third of the construction period for the solar cell panel of the comparative example.

[0053] Typically, the process of attaching solar cells to a substrate is performed precisely and over a long period of time to prevent air bubbles from entering between the solar cells and the substrate, which could cause rupture due to decompression during rocket launch. For this reason, wiring is performed after attaching the solar cells to the substrate. In contrast, with the solar cell panel 100 according to this embodiment, a space is provided between the solar cell module and the substrate, and the solar cell module is attached to the substrate. In this embodiment, since an air passage exists during decompression during launch, it is only necessary to place the solar cell module on the substrate while paying attention to the position of the bonding surface. Furthermore, since the solar cell module is attached to the substrate, the number of modules to be attached can be reduced, thereby reducing the difficulty of the work. Furthermore, the preparation of the solar cell module, i.e., the manufacturing of the SPM, requires less work time and is simpler due to the small manufacturing unit. This simplifies and streamlines the process of attaching the solar cell module to the substrate itself.

[0054] Normally, wiring to a solar cell panel is very complicated. On the other hand, with the solar cell panel 100 according to this embodiment, wiring can be done directly on the substrate. Furthermore, because the wiring is simplified, shaping is easy or even unnecessary. Even if the wiring is not shaped to a certain extent, there is no interference and no impact. Therefore, with the solar cell panel 100 according to this embodiment, wiring can also be simplified and made more efficient.

[0055] It is possible to combine multiple parts of the first embodiment described above. Alternatively, it is possible to implement only one part of this embodiment. In addition, it is possible to implement this embodiment in any combination, either as a whole or in parts. That is, in the first embodiment, it is possible to freely combine each embodiment, modify any component of each embodiment, or omit any component of each embodiment.

[0056] The above-described embodiments are essentially preferred examples and are not intended to limit the scope of the present disclosure, the scope of application of the present disclosure, or the scope of use of the present disclosure. The above-described embodiments can be modified in various ways as needed. For example, the procedures described using flow charts or sequence diagrams may be modified as appropriate.

[0057] 100 Solar cell panel, 110 Substrate, 111 One surface, 112 Back surface, 115 Recess, 116 Gap, 118 Convex portion, 120 Support, 121 Hook-and-loop fastener, 130 Solar cell module, 131 Film, 132 Solar cell cell, 133 Cover glass, 134 Bus bar, 140 Gap, 211 First surface portion, 212 Second surface portion, 200 Solar cell paddle, 500 Artificial satellite, 510 Satellite body.

Claims

1. A solar cell panel comprising a solar cell module in which a plurality of solar cells are fixed to a film and a plate-shaped substrate, wherein the solar cell module is arranged on one side of the substrate so as to form a gap between the solar cell module and the one side of the substrate.

2. The solar cell panel according to claim 1, wherein output wiring from said solar cell module is routed to one surface of said substrate through said gap.

3. A solar cell panel according to claim 1 or claim 2, wherein output wiring from a solar cell panel adjacent to said solar cell panel is wired to the back surface, which is the surface opposite to said one surface of said substrate.

4. A solar cell panel according to any one of claims 1 to 3, comprising a support attached to one surface of the substrate and supporting the solar cell module so as to form a gap between the solar cell module and the surface of the substrate.

5. The solar cell panel according to claim 4, wherein the support is a block attached to one surface of the substrate.

6. The solar cell panel according to claim 4, wherein the support is a surface-detachable hook-and-loop fastener having a first surface attached to the back side of the film of the solar cell module and a second surface attached to one surface of the substrate.

7. The solar cell panel according to claim 4, wherein the support is a thermoelectric element attached to one surface of the substrate.

8. A solar cell panel as claimed in any one of claims 4 to 7, wherein the solar cell module has a protrusion protruding from one side of the substrate as the support, and a recess for routing output wiring from the solar cell module is formed along the protrusion.

9. A solar cell module provided in a solar cell panel according to any one of claims 1 to 8.

10. A solar cell module having a plurality of solar cells fixed to one surface of a film and attached to one surface of a plate-shaped substrate, wherein a first surface of a hook-and-loop fastener, which engages with a second surface attached to one surface of the substrate, is fixed to the other surface of the film.

11. A method for manufacturing a solar cell panel comprising a solar cell module in which a plurality of solar cells are fixed to a film and a plate-shaped substrate, the method comprising: a first wiring step of wiring the output wiring of the solar cell module on one surface of the substrate; a support fixing step of fixing a support for supporting the solar cell module on one surface of the substrate in a position that does not interfere with the output wiring of the solar cell module; and a module fixing step of fixing the solar cell module to the support.

12. The method for manufacturing a solar cell panel according to claim 11, wherein the first wiring step, the support fixing step, and a module manufacturing step for manufacturing the solar cell module are carried out in parallel.

13. The method for manufacturing a solar cell panel according to claim 12, further comprising a second wiring step of wiring output wiring from a solar cell panel adjacent to said solar cell panel to the back surface, which is the surface opposite to said one surface of said substrate.

14. A solar paddle comprising a plurality of solar panels according to any one of claims 1 to 8.

15. An artificial satellite equipped with the solar array paddle according to claim 14.

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