CN212303688U - Photovoltaic solder strip and photovoltaic module - Google Patents
Photovoltaic solder strip and photovoltaic module Download PDFInfo
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- CN212303688U CN212303688U CN202021422033.2U CN202021422033U CN212303688U CN 212303688 U CN212303688 U CN 212303688U CN 202021422033 U CN202021422033 U CN 202021422033U CN 212303688 U CN212303688 U CN 212303688U
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- photovoltaic solder
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- 229910000679 solder Inorganic materials 0.000 title claims abstract description 58
- 238000003466 welding Methods 0.000 claims abstract description 124
- 238000005476 soldering Methods 0.000 claims description 22
- 230000001154 acute effect Effects 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910001174 tin-lead alloy Inorganic materials 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
The embodiment of the utility model discloses photovoltaic solder strip and photovoltaic module, photovoltaic solder strip include first weld part and the second weld part of mutual electric connection. The first welding part comprises a first welding surface suitable for being welded with a battery piece and a first top surface connected with the first welding surface, the first top surface encloses at least one first protruding part located on the first welding surface, and the surface of the first protruding part is inclined relative to the first welding surface. The second welding part comprises a second welding surface suitable for being welded with another battery piece and a second top surface connected with the second welding surface, the second top surface and the first top surface are respectively located on two opposite sides of the second welding surface, and the first protruding portion, the first welding part and the second welding part all extend along the first direction. The utility model discloses utilize the high effect of first bellying light diffuse reflection degree, improve light utilization ratio, and then improve photovoltaic module power.
Description
Technical Field
The embodiment of the utility model provides a solar photovoltaic cell connects technical field, in particular to photovoltaic solder strip and photovoltaic module.
Background
With the obvious problems of energy shortage and increasingly worsened environment, solar energy is receiving more and more attention as a green renewable energy source. A photovoltaic module is a device that converts renewable solar energy into electrical energy.
The photovoltaic solder strip is prepared by coating a layer of solder with uniform thickness on the surface of a flat strip-shaped substrate, and has the main functions of connecting and conducting a battery piece in a photovoltaic module; for example, in the series welding process, the photovoltaic welding strip is used for connecting the front electrode of one cell slice and the back electrode of the other cell slice in series in two adjacent cell slices.
In the prior art, the photovoltaic module has the problems of low light utilization rate and low power generation power.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem of solution lies in providing a photovoltaic solder strip and photovoltaic module, solves the problem that photovoltaic module light utilization rate is low, the generating power is low.
In order to solve the above problem, an embodiment of the utility model provides a photovoltaic solder strip, include: the first welding part comprises a first welding surface suitable for being welded with a battery piece and a first top surface connected with the first welding surface, the first top surface encloses at least one first protruding part positioned on the first welding surface, and the surface of the first protruding part is inclined relative to the first welding surface; the second welding part comprises a second welding surface suitable for being welded with another battery piece and a second top surface connected with the second welding surface, the second welding part is electrically connected with the first welding part, the second top surface is respectively located on two opposite sides of the second welding surface, and the first protruding portion, the first welding part and the second welding part extend along the first direction.
In addition, the second top surface encloses at least one second protruding portion located on the second welding surface, the second protruding portion extends along the first direction, and the surface of the second protruding portion is inclined relative to the second welding surface.
In addition, the first welding part is in contact with the second welding part.
In addition, still include: a connecting portion located between and in contact with both the first and second weld portions; the connecting portion is inclined with respect to the first welding surface and the second welding surface.
In addition, in a direction perpendicular to the first welding surface or the second welding surface, a difference between a height of the connecting part and a thickness of the battery piece is less than or equal to 10 mm.
In addition, a cross section of the first top surface and/or the second top surface in a cross section perpendicular to the first direction is an axisymmetric pattern.
In addition, a cross-sectional shape of the first convex portion in a cross-section perpendicular to the first direction includes a V-shape, a U-shape, or an arc shape.
In addition, the photovoltaic solder strip further includes: the first connecting surface is connected with the first welding surface and the first top surface, and an included angle between the first connecting surface and the first welding surface is an acute angle; and the second connecting surface is connected with the second welding surface and the second top surface, and the included angle between the second connecting surface and the second welding surface is an acute angle.
In addition, the first welding part comprises a substrate and a light reflecting layer coated on the surface of the substrate.
The embodiment of the utility model provides a photovoltaic module is still provided, include: a plurality of battery pieces; in the photovoltaic solder strip, one cell is welded on the first welding surface, and the other cell is welded on the second welding surface.
Compared with the prior art, the embodiment of the utility model provides a technical scheme has following advantage:
the embodiment of the utility model provides a photovoltaic solder strip, including being suitable for with a battery piece welded first face of weld to and the first top surface that links to each other with first face of weld, first top surface encloses to be located at least one first bellying on the first face of weld, and the surface of first bellying inclines for first face of weld. First bellying can increase the surface area of first top surface, and the certain angle of first bellying slope can change the direction of reflection of light, and light both probably has been reflected by first bellying to the battery piece with first welding looks welded, also can reflect to the battery piece with second welding looks welded to increase light diffuse reflection degree, improve light utilization ratio, improve photovoltaic module power.
In addition, the second top surface encloses at least one second bulge part positioned on the second welding surface, and the surface of the second bulge part is inclined relative to the second welding surface. The surface area of second top surface can be increased to the second bellying, and the certain angle of second bellying slope can change the direction of reflection of light, and then the diffuse reflection degree of increase light. For a double-sided photovoltaic module, the second protruding portion can improve the utilization rate of the back surface of the battery to light, and the power of the photovoltaic module is further improved.
In addition, the photovoltaic solder strip further comprises a connecting part, and the connecting part is located between the first welding part and the second welding part and is in contact with the first welding part and the second welding part, so that the connecting part can realize the electric connection of the first welding part and the second welding part. Connecting portion slope for first face of weld and second face of weld, can make the difference in height increase of first face of weld and second face of weld, reserves certain position for the welding battery piece, reduces the difference in height between two adjacent battery pieces to reduce whole photovoltaic module's thickness, make photovoltaic module more frivolous.
In addition, the photovoltaic solder strip also comprises a first connecting surface, the first connecting surface is connected with the first welding surface and the first top surface, and an included angle between the first connecting surface and the first welding surface is an acute angle. Compared with an obtuse angle, the acute-angle connection mode is easier to increase the surface area of the first protruding portion, so that the diffuse reflection of light rays by the first protruding portion is more sufficient.
In addition, the first welding part comprises a light reflecting layer on the surface of the substrate. The reflection effect of light can be improved to the reflector layer, further increases the utilization ratio to light.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic perspective view of a photovoltaic solder strip according to a first embodiment of the present invention;
fig. 2 is a front view of a photovoltaic solder strip provided in accordance with a first embodiment of the present invention;
fig. 3 is a top view of a photovoltaic solder strip provided in accordance with a first embodiment of the present invention;
fig. 4 is a left side view of a photovoltaic solder strip provided by the first embodiment of the present invention;
fig. 5 is a first cross-sectional view of a first welding segment according to a first embodiment of the present invention;
fig. 6 is a second cross-sectional view of the first welding section provided in the first embodiment of the present invention;
fig. 7 is a third cross-sectional view of the first welding section provided in the first embodiment of the present invention;
fig. 8 is a fourth cross-sectional view of the first welding section provided by the first embodiment of the present invention;
fig. 9 is a fifth cross-sectional view of the first welding section provided by the first embodiment of the present invention;
fig. 10 is a sixth cross-sectional view of the first welding segment according to the first embodiment of the present invention;
fig. 11 is a schematic view of a photovoltaic solder strip according to a first embodiment of the present invention;
fig. 12 is a front view of a photovoltaic solder ribbon provided by a second embodiment of the present invention;
fig. 13 is a schematic view of a photovoltaic solder strip and a battery piece after being soldered according to a second embodiment of the present invention;
fig. 14 is a front view of a photovoltaic module according to a third embodiment of the present invention.
Detailed Description
Known from the background art, the photovoltaic module has the problems of low light utilization rate and low power generation power. The main reason lies in, prior art adopts the photovoltaic solder strip of platykurtic, and the light that gets into photovoltaic module incides the flat solder strip surface, goes out through specular reflection and can't be utilized, has caused light loss, and then reduces photovoltaic module power.
For solving the upper problem, the utility model discloses the implementation provides a photovoltaic solder strip and photovoltaic module. The first welding part of photovoltaic solder strip includes first face of weld and first top surface, and first top surface encloses into at least one first bellying, and first bellying can increase the surface area of first top surface, and the certain angle of first bellying slope can change the direction of reflection of light to increase light diffuse reflection degree, improve light utilization ratio, improve photovoltaic module power.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in the embodiments of the present invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
The utility model discloses a first embodiment provides a photovoltaic solder strip, and figure 1 to figure 11 are the utility model discloses the structural schematic of photovoltaic solder strip that the first embodiment provided.
Referring to fig. 1, the photovoltaic solder ribbon provided in the present embodiment includes: the first welding part 110, the first welding part 110 includes a first welding surface 111 suitable for welding with a battery piece, and a first top surface 112 connected with the first welding surface 111, the first top surface 112 encloses at least one first protruding part 113 located on the first welding surface, and the surface of the first protruding part 113 is inclined relative to the first welding surface 111; the second welding part 120, the second welding part 120 includes a second welding surface 121 adapted to be welded to another battery piece, and a second top surface 122 connected to the second welding surface 121, the second welding part 120 is electrically connected to the first welding part 110, the second top surface 122 and the first top surface 112 are respectively located at two opposite sides of the second welding surface 121, and the first protrusion 113, the first welding part 110 and the second welding part 120 all extend along the first direction.
The photovoltaic solder strip provided by the embodiment will be described in detail below with reference to the accompanying drawings.
In this embodiment, the first welding portion 110 is in contact with the second welding portion 120, and the first welding portion 110 and the second welding portion 120 can be used for connecting adjacent battery pieces in series. Specifically, in one example, the first welding surface 111 may be welded to the front electrode of one cell piece, and the second welding surface 121 may be welded to the back electrode of another cell piece, so as to connect two cell pieces in series. The first welding surface 111 can be a plane or a groove, and the first welding surface 111 with the groove can increase the contact area with the battery piece and prevent cold joint. Likewise, the second bonding surface 121 may be a flat surface or an uneven surface.
The first protruding portion 113 and the first welding portion 110 extend along a first direction, which is a battery piece arrangement direction. First bellying 113 can increase the surface area of first top surface 112, and first bellying 113's surface for first welding face 111 slope can change the direction of reflection of light to increase the diffuse reflection degree of light, improve the light utilization ratio, improve photovoltaic module power.
The lowest point of the first projection 113 is higher than the first welding surface 111. Specifically, the photovoltaic solder strip further includes a first connection surface 114, the first connection surface 114 connects the first soldering surface 111 and the first top surface 112, and an included angle between the first connection surface 114 and the first soldering surface 111 is an acute angle. The acute angle connection is easier to increase the surface area of the first protruding portion 113 than the obtuse angle connection, so that the first protruding portion 113 can diffuse light more sufficiently.
In a cross section perpendicular to the first direction, the cross section of the first top surface 112 and/or the second top surface 122 is an axisymmetric pattern, that is, there are three cases: first, the cross-sections of the first top surface 112 and the second top surface 122 are both axisymmetric; second, only the cross section of the first top surface 112 is an axisymmetric pattern; third, only the cross section of the second top surface 122 is an axisymmetric pattern. The axisymmetric design can make full use of the incident light in all directions, is beneficial to further improving the light utilization rate, and simultaneously makes the manufacture of the photovoltaic solder strip more simple and convenient.
The cross-sectional shape of the first boss 113 in a cross section perpendicular to the first direction includes a V-shape, a U-shape, or an arc shape. The V shape, the U shape or the arc shape can enable the first top surface 112 to incline relative to the first welding surface 111, the surface area of the first top surface 112 can be increased, and the diffuse reflection degree of light rays is increased.
The number of the first protruding portions 113 is more than 1, preferably, the number of the first protruding portions 113 is more than 2, and the larger the number of the first protruding portions 113 is, the larger the surface area of the first top surface 112 is, the larger the degree of diffuse reflection of light is.
Several specific examples of the first top surface will be described below with reference to the accompanying drawings:
in a first example, referring to fig. 5, the first top surface 112 includes 3 first protrusions 113, and the first protrusions 113 have a U-shaped cross-section.
In a second example, referring to fig. 6, the first top surface 112 includes 3 first protrusions 113, and the cross-sectional shape of the first protrusions 113 is arc-shaped.
In a third example, referring to fig. 7, the first top surface 112 includes 3 first protrusions 113, and the cross-sectional shape of the first protrusions 113 includes a U shape and a V shape.
In a fourth example, referring to fig. 8, the first top surface 112 includes 3 first protrusions 113, and the cross-sectional shape of the first protrusions 113 includes an arc shape and a V shape.
In a fifth example, referring to fig. 9, the first top surface 112 includes 2 first protrusions 113, and the first protrusions 113 have a V-shaped cross-sectional shape.
In a sixth example, referring to fig. 10, the first top surface 112 includes 7V-shaped first protrusions 113, and the cross-sectional shape of the first protrusions 113 is V-shaped.
In this embodiment, the first welding portion 110 includes a substrate 151 and a light reflecting layer 153 coated on a surface of the substrate. The substrate 151 is made of copper, which has good conductivity, strength and toughness. The material of the light reflecting layer 153 includes a low melting point metal or a low melting point alloy, such as a tin-lead alloy. A tin layer 152 is further included between the substrate 151 and the light reflecting layer 153, and the tin has a low melting point and has a fluxing function during soldering.
In this embodiment, the second top surface 122 may also enclose at least one second protrusion 123 located on the second welding surface 121, and a surface of the second protrusion 123 is inclined with respect to the second welding surface 121. The second protrusion 123 may increase a surface area of the second top surface 122, and the at least one second protrusion 123 may reflect light to increase a degree of diffuse reflection of light.
For a double-sided photovoltaic module, the second protruding portion 123 can improve the utilization rate of the back surface of the battery to light, and further improve the power of the module.
The lowest point of the second protrusion 123 is higher than the second welding surface 121. Specifically, the photovoltaic solder strip further includes a second connection surface 124, the second connection surface 124 connects the second soldering surface 121 and the second top surface 122, and an included angle between the second connection surface 124 and the second soldering surface 121 is an acute angle. The acute angle connection is easier to increase the surface area of the second protrusion 123 than the obtuse angle connection, so that the second protrusion 123 can diffuse light more sufficiently.
For a detailed description of the second protrusion portion 123, reference may be made to the foregoing detailed description of the first protrusion portion 113, which will not be described in detail below.
In other embodiments, the second welding portion may be a flat welding portion.
The effect of the photovoltaic solder strips will be further described below with reference to the transmission path of light rays illustrated in fig. 11, and for ease of understanding and explanation, a battery plate 130 and a cover plate 140 are illustrated in fig. 11, and the cover plate 140 is located on the sunny side of the battery plate 130.
Referring to fig. 11, there are at least three cases of reflection of light by the first convex portion 113 and/or the second convex portion 123:
first, the second protruding portion 123 directly reflects the first incident light a to the battery cell 130 welded to the second protruding portion 113. Second, the first protruding portion 113 reflects the second incident light b to the cover plate 140, and then reflects the light to the battery piece 130 welded to the first protruding portion 113 through the cover plate 140. Third, the first protruding portion 113 reflects the third incident light c to the cover plate 140, and then reflects the light to the battery piece 130 welded to the second protruding portion 123 through the cover plate 140.
To sum up, the utility model discloses a first embodiment has mainly utilized the effect of first bellying 113 and second bellying 123 reflection light to battery piece, increases the utilization ratio of light, improves photovoltaic module's power. Meanwhile, the acute angle between the first connecting surface 114 and the first soldering surface 111 and the V-shaped, U-shaped or arc-shaped cross-sectional shape of the first protruding portion 113 can increase the surface area of the first top surface 112 to some extent, thereby increasing the light diffuse reflection degree and further increasing the light utilization rate of the photovoltaic module.
The utility model discloses a second embodiment provides a photovoltaic solder strip, and the photovoltaic solder strip that the second embodiment provided is unanimous with the structure general of the photovoltaic solder strip that the first embodiment provided, and the difference mainly lies in the photovoltaic solder strip that the second embodiment provided still includes connecting portion. Fig. 12 and fig. 13 are schematic structural views of a photovoltaic solder strip according to a second embodiment of the present invention.
Referring to fig. 12, in the present embodiment, the photovoltaic solder ribbon includes: the connecting portion 230 is located between the first welding portion 210 and the second welding portion 220, and is in contact with both the first welding portion 210 and the second welding portion 220. The first soldering part 210 and the second soldering part 220 are electrically connected by the connection part 230.
Connecting portion 230 inclines for first face of weld 211 and second face of weld 212, can reserve certain position for the welding battery piece, reduces the difference in height between two adjacent battery pieces to reduce photovoltaic module thickness, make photovoltaic module more frivolous, also make the welding more convenient, firm simultaneously.
The connection portion 230 is inclined at an angle of 30 to 90 ° with respect to the first welding surface 211. In this embodiment, the inclination angle of the connection portion 230 relative to the first soldering surface 211 is 90 °, that is, the connection portion 230 is perpendicular to the first soldering surface 211, at this time, the arrangement of the cells is the most dense, and the area of the photovoltaic module is the smallest.
The difference between the height of the connection part 230 and the thickness of the battery sheet 240 in a direction perpendicular to the first welding surface 211 or the second welding surface 221 is less than or equal to 10mm, and for example, the difference may be 1mm, 5mm, or 8 mm. Therefore, the height difference between the adjacent cell pieces is favorably reduced, and the overall thickness of the photovoltaic module is favorably reduced. In one example, the difference between the height of the connection part 230 and the thickness of the cell 240 may be 0mm, that is, the height of the connection part 230 is the same as the thickness of the cell 240, and there is no height difference between adjacent cells 240, which is beneficial to further reduce the overall thickness of the photovoltaic module.
In summary, in the embodiment, the photovoltaic solder strip includes the connecting portion 230, the connecting portion 230 is used to electrically connect the first soldering portion 210 and the second soldering portion 220, and the connecting portion 230 is inclined with respect to the first soldering portion 210 to reserve a position for soldering the battery slice 240, so as to reduce the thickness and area of the photovoltaic module.
The utility model discloses a third embodiment relates to a photovoltaic module, the photovoltaic solder strip that provides including any above-mentioned embodiment. Fig. 14 is a schematic structural diagram of a photovoltaic module according to a third embodiment of the present invention, and the photovoltaic module according to this embodiment will be described in detail below with reference to the accompanying drawings.
Referring to fig. 14, in the present embodiment, the photovoltaic module includes: a plurality of battery cells 330; and a photovoltaic solder strip 360, one cell 330 is soldered to the first soldering surface 310, and the other cell 330 is soldered to the second soldering surface 320.
The photovoltaic module further includes: two cover plates 350, and the cell 330 and the photovoltaic solder strip 360 are located between the two cover plates 350. The gap between the battery plate 330 and the cap plate 350 is filled with the adhesive film 340.
Because the photovoltaic module adopts the photovoltaic solder strip in the first embodiment or the second embodiment, the photovoltaic solder strip can reflect light, thereby improving the utilization rate of the light and improving the power of the photovoltaic module.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and detail may be made therein without departing from the spirit and scope of the invention in practice. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A photovoltaic solder ribbon, comprising:
the first welding part comprises a first welding surface suitable for being welded with a battery piece and a first top surface connected with the first welding surface, the first top surface encloses at least one first protruding part positioned on the first welding surface, and the surface of the first protruding part is inclined relative to the first welding surface;
the second welding part comprises a second welding surface suitable for being welded with another battery piece and a second top surface connected with the second welding surface, the second welding part is electrically connected with the first welding part, the second top surface is respectively located on two opposite sides of the second welding surface, and the first protruding portion, the first welding part and the second welding part extend along the first direction.
2. The photovoltaic solder strip of claim 1, wherein the second top surface encloses at least one second raised portion on the second soldering surface, the second raised portion extends along the first direction, and a surface of the second raised portion is inclined with respect to the second soldering surface.
3. Photovoltaic solder strip according to claim 1 or 2, characterized in that the first solder is in contact with the second solder.
4. The photovoltaic solder strip of claim 1 or 2, further comprising: a connecting portion located between and in contact with both the first and second weld portions; the connecting portion is inclined with respect to the first welding surface and the second welding surface.
5. The photovoltaic solder strip according to claim 4, wherein a difference between a height of the connection portion and a thickness of the cell piece in a direction perpendicular to the first soldering face or the second soldering face is less than or equal to 10 mm.
6. Photovoltaic solder strip according to claim 1 or 2, characterized in that the cross section of the first top surface and/or the second top surface in a cross section perpendicular to the first direction is an axisymmetric pattern.
7. The photovoltaic solder ribbon according to claim 1, wherein a sectional shape of the first convex portion in a section perpendicular to the first direction includes a V-shape, a U-shape, or an arc shape.
8. The photovoltaic solder strip of claim 1, further comprising: the first connecting surface is connected with the first welding surface and the first top surface, and an included angle between the first connecting surface and the first welding surface is an acute angle; and the second connecting surface is connected with the second welding surface and the second top surface, and the included angle between the second connecting surface and the second welding surface is an acute angle.
9. The photovoltaic solder strip of claim 1, wherein the first solder portion includes a substrate and a light reflecting layer coated on a surface of the substrate.
10. A photovoltaic module, comprising: a plurality of battery pieces; and, the photovoltaic solder strip of any one of claims 1 to 9, one of the cell pieces being soldered to the first soldering surface and the other of the cell pieces being soldered to the second soldering surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021422033.2U CN212303688U (en) | 2020-07-17 | 2020-07-17 | Photovoltaic solder strip and photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021422033.2U CN212303688U (en) | 2020-07-17 | 2020-07-17 | Photovoltaic solder strip and photovoltaic module |
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| Publication Number | Publication Date |
|---|---|
| CN212303688U true CN212303688U (en) | 2021-01-05 |
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| CN202021422033.2U Active CN212303688U (en) | 2020-07-17 | 2020-07-17 | Photovoltaic solder strip and photovoltaic module |
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| CN (1) | CN212303688U (en) |
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- 2020-07-17 CN CN202021422033.2U patent/CN212303688U/en active Active
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