CN110931589A - Solar cell, cell string and solar cell module - Google Patents
Solar cell, cell string and solar cell module Download PDFInfo
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- CN110931589A CN110931589A CN201911261654.9A CN201911261654A CN110931589A CN 110931589 A CN110931589 A CN 110931589A CN 201911261654 A CN201911261654 A CN 201911261654A CN 110931589 A CN110931589 A CN 110931589A
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- 238000005520 cutting process Methods 0.000 claims abstract description 47
- 238000003466 welding Methods 0.000 claims abstract description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 22
- 239000010703 silicon Substances 0.000 claims abstract description 22
- 229910000679 solder Inorganic materials 0.000 claims description 19
- 238000005530 etching Methods 0.000 claims description 9
- 238000010248 power generation Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/022433—Particular geometry of the grid contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
- H01L31/0508—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module the interconnection means having a particular shape
-
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Sustainable Energy (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a solar cell, a cell string and a solar cell module, which belong to the technical field of photovoltaic modules, wherein the solar cell comprises a silicon wafer, a suede, a doping layer and an antireflection film layer which are sequentially formed on the front surface of the silicon wafer, a plurality of main grid lines which are arranged in parallel and used for collecting current and a plurality of cutting hole groups used for allowing welding strips to pass through are also arranged on the front surface of the solar cell, each main grid line corresponds to each cutting hole group one by one, and each cutting hole group comprises two cutting holes which are respectively arranged on the edges of two sides of the silicon wafer; the main grid line corresponding to the cutting hole group is positioned between the two cutting holes in the cutting hole group. According to the solar cell, the cut holes are formed in the edges of the cell, the center positions of the cut holes correspond to the center line positions of the main grid lines printed by the cell, and the inter-cell welding strips connecting two adjacent cells penetrate through the cut holes in the series welding process of the cell, so that the cell spacing is reduced, and the power generation capacity of a photovoltaic module in unit area is increased.
Description
Technical Field
The invention belongs to the technical field of photovoltaic modules, and particularly relates to a solar cell, a cell string and a solar cell module.
Background
In order to improve the power generation efficiency of a single component and reduce the cost of a system end, various technologies are developed by various component manufacturers in the photovoltaic industry at present, and the power generation capacity of the component in unit area is improved. The conventional interconnection technology is to connect single battery plates into a battery string by using tin-coated copper strips, and the battery string is connected in series or in parallel to form a component.
When the welding strip is used for connecting the positive electrode and the negative electrode of the battery, a certain distance, namely a piece interval, needs to be designed for the bending position of the welding strip between every two adjacent battery pieces so as to reduce the influence of the stress of the welding strip on the battery pieces. Under the requirement of the IEC61730 standard on the creepage distance of the electrical component, if the distance between the battery pieces is reduced to the maximum extent, the size of the assembly can be reduced under the condition of using the same number of battery pieces, or the number of the battery pieces is increased under the condition of using the assembly with the same area, and in any scheme, the generating efficiency of the single-block assembly can be improved or the cost can be reduced.
At present, the technology of connecting single battery pieces into a battery string is lamination technology, a lamination assembly cuts the battery pieces with redesigned grid lines into small pieces with reasonable patterns by utilizing scribing technology, generally the small pieces are 1/5 scribing or 1/6 scribing, then each small piece is overlapped and arranged, the pieces are welded by using conductive adhesive to manufacture strings, and the strings are laminated into the assembly after series-parallel typesetting; the technical disadvantages of the shingle technique are as follows: (1) in the design process of the laminated assembly, although the area of the same assembly can be increased by about 10 percent, the overlapped width of 1mm to 1.5mm is formed between the plates, and the overlapped width is equivalent to the loss of 2 to 3 small cells, so the packaging loss of the laminated assembly is high; (2) in order to reduce the fragments in the process, the tile-stacking technology adopts conductive adhesive, and the conductive performance of the conductive adhesive is two to three orders of magnitude lower than that of a common pure metal conductor material, so that the filling factor of the tile-stacking assembly is lower than that of a conventional assembly.
Disclosure of Invention
The invention aims to provide a solar cell, a cell string and a solar cell module, and aims to solve the technical problems that the cell interval is large and the power generation efficiency is reduced when the cell is welded into the cell string in series at present.
In order to achieve the purpose, the invention adopts the technical scheme that: provides a solar cell, which comprises a silicon wafer, a suede, a doping layer and an antireflection film layer which are sequentially formed on the front surface of the silicon wafer,
the front surface of the solar cell is also provided with a plurality of main grid lines which are arranged in parallel and used for collecting current and a plurality of cutting hole groups for a welding strip to pass through, each main grid line corresponds to each cutting hole group one by one, and each cutting hole group comprises two cutting holes which are respectively arranged on the edges of two sides of the silicon wafer; the main grid line corresponding to the cutting hole group is positioned between the two cutting holes in the cutting hole group.
As another embodiment of the present application, a plurality of sub-gate lines for collecting current are disposed on two sides of the main gate line, and the main gate line and the sub-gate lines are electrically connected and perpendicular to each other.
As another embodiment of the present application, the cutout holes are rectangular holes or circular rectangular holes.
As another embodiment of the present application, the length of the cutting hole is 3.9 to 4.1 mm.
As another embodiment of the present application, the width of the cutting hole is 0.3-0.5mm
As another embodiment of the present application, the edge of the cutout hole is provided with a chamfer.
Another purpose of this application is to provide a solar cell cluster, including a plurality of above anyone of establishing ties solar wafer, it is adjacent through welding between the solar wafer and taking electric connection, it is adjacent leave the piece interval between the solar wafer.
As another embodiment of the present application, the chip pitch is 0.2-0.6 mm.
As another embodiment of the application, the width of the cutting hole is larger than that of the welding strip, and the welding strip is a flat welding strip, a segmented tinning reflecting welding strip or a segmented triangular welding strip.
Still another object of the present application is to provide a solar cell module, which includes a plurality of groups of the solar cell strings set in parallel.
The solar cell, the cell string and the solar cell module provided by the invention have the beneficial effects that: compared with the prior art, the solar cell slice provided by the invention has the advantages that the cutting holes are formed in the edge of the cell, the center positions of the cutting holes correspond to the center line positions of the cell printing main grid lines, and the inter-slice welding strips for connecting two adjacent solar cell slices penetrate through the cutting holes in the series welding process of the solar cell slices, so that the cell slice spacing is reduced, the solar cell slices are mutually connected in a tighter mode, the circuit design of the module is optimized, the power generation capacity per unit area of the solar cell module is increased, and the cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a silicon wafer structure according to an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a schematic structural diagram of a solar cell according to an embodiment of the present invention;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is a schematic structural diagram of a solar cell string according to an embodiment of the present invention;
FIG. 6 is an enlarged view at C of FIG. 5;
FIG. 7 is an enlarged view taken at D in FIG. 5;
FIG. 8 is a first schematic sectional view taken along line E-E in FIG. 5;
FIG. 9 is a second cross-sectional view taken along line E-E of FIG. 5;
FIG. 10 is a third schematic sectional view taken along line E-E in FIG. 5;
in the figure: 1. a silicon wafer; 2. a main gate line; 3. etching the line; 4. cutting holes; 5. chamfering; 6. the chip spacing; 7. a solar cell sheet; 8. and (7) welding the strip.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 4, a solar cell according to the present invention will be described. The solar cell comprises a silicon wafer 1, a suede, a doping layer and an antireflection film layer, wherein the suede, the doping layer and the antireflection film layer are sequentially formed on the front surface of the silicon wafer 1, a plurality of main grid lines 2 which are arranged in parallel and used for collecting current and a plurality of cut hole groups used for allowing welding strips 8 to pass through are arranged on the front surface of the silicon wafer 1, each main grid line 2 corresponds to each cut hole group one by one, and each cut hole group comprises two cut holes 4 which are respectively arranged on the edges of two sides of the silicon wafer 1; the bus bar 2 corresponding to a group of cut holes is located between two cut holes 4 in the group of cut holes.
After the silicon wafer 1 is cut in the step of cutting the silicon wafer, laser hole cutting 4 is carried out at the edge position of the silicon wafer 1, so that two cutting holes 4 of cutting hole groups positioned at the two side edges of the silicon wafer 1 are in one-to-one correspondence, the cutting holes are transferred to the next step for printing grid lines, when the grid lines are printed, the main grid lines 2 are in one-to-one correspondence with the cutting hole groups, the extending direction of the main grid lines 2 is a first direction, namely the center position of the width of the main grid lines 2 corresponds to the center line position of the length direction of the cutting holes 4.
The solar cell provided by the invention has the beneficial effects that: compared with the prior art, the solar cell provided by the invention has the advantages that the cutting holes are formed in the edges of the cell, the center positions of the cutting holes correspond to the center line positions of the printed main grid lines of the cell, the adjacent two solar cells are required to be connected in series through the welding strips in the series welding process of the solar cells, namely, the main grid lines of the adjacent two solar cells are correspondingly connected through the welding strips, the inter-cell welding strips for connecting the corresponding main grid lines of the adjacent two solar cells penetrate through the cutting holes, the cell spacing is reduced, the solar cells are mutually connected in a tighter mode, the circuit design of the assembly is optimized, the unit area power generation power of the solar cell assembly is increased, and the cost is reduced.
Referring to fig. 3 and 4, a plurality of sub-grid lines for collecting current are disposed on two sides of a main grid line 2, and the main grid line 2 is electrically connected to the sub-grid lines and perpendicular to the sub-grid lines.
In this embodiment, a plurality of main gate lines 2 arranged in parallel and used for collecting current are arranged on a silicon wafer 1, a plurality of auxiliary gate lines used for collecting current are arranged on two sides of the main gate lines 2, and the main gate lines 2 are electrically connected with the auxiliary gate lines and are perpendicular to the auxiliary gate lines; when illumination power generation is carried out, the auxiliary grid lines guide current, the main grid lines 2 collect the current of the auxiliary grid lines, the current in the auxiliary grid lines of each solar cell slice is converged to the main grid lines 2 and then flows among the cell slices through the welding strips, and finally, the electric energy is provided through the cell output of the photovoltaic module
Referring to fig. 1 to 4, an etching line 3 is 500 μm away from an edge of a silicon wafer 1; the positions of the cutting holes 4 need to be positioned and cut according to the distance between the main grid lines 2 of the battery, the distance between the main grid lines 2 and the edge of the battery and the distance between the etching lines 3 and the edge of the silicon chip 1.
In the embodiment, an etching line 3 is arranged at a position 0-0.1mm away from the bottom of a cutting hole 4, the depth of the etching line is 10-30 μm, the width of the etching line is 1-3 mm, and preferably, the width of the etching line is 2 mm; the load applied to the solar cell module can be uniformly released by the etching line, and the influence on the power generation efficiency caused by the cracks of the cell piece is avoided.
Referring to fig. 1 to 4, a cutting hole 4 is a rectangular hole or a circular rectangular hole; and (3) carrying out laser hole cutting on the edge of the battery piece 7, wherein the shape of the hole cutting 4 can be a rectangular hole or a circular rectangular hole.
In this embodiment, the shape of the cut-out 4 may be a rectangular hole or a circular rectangular hole, the position of the cut-out 4 is the position between two adjacent solar cell pieces 7 when the solder strip 8 connects the positive and negative electrodes, the distance between the solar cell pieces 7 is 0.2mm to 0.6mm, the requirement of IEC61730 standard on the distance between the charged bodies inside the solar cell module is met, the size of the solar cell module can be reduced for the same number of cells, the floor area of the solar cell module is reduced, the generated energy of the unit module area is improved, and the power generation efficiency of the solar cell module is improved.
Referring to fig. 1 to 4, a width of the cutting hole 4 is 0.3 to 0.5 mm; the length of the cutting hole 4 is 3.9-4.1 mm.
In this embodiment, the hole 4 is cut by laser, the size of the hole 4 in the width direction is 0.4mm ± 0.1mm, and the size of the hole 4 in the length direction is 4mm ± 0.1mm, or defined as other sizes according to practical situations.
Referring to fig. 1 to 4, as an embodiment of a solar cell provided by the present invention, a chamfer 5 is disposed at an edge of the cut hole 4.
In the present embodiment, the corner portion of the cut hole 4 is susceptible to chipping due to stress, and therefore, the corner portion of the cut hole 4 is provided with the chamfer 5.
Referring to fig. 5 to fig. 10, a solar cell string according to the present invention will now be described. A solar cell string comprises a plurality of solar cells connected in series, a cell gap 6 is reserved between every two adjacent solar cells, and when the solar cells are subjected to series welding, a welding strip 8 penetrates through a cutting hole 4 to weld the adjacent solar cells. When the center line position of the width direction of the cut hole 4 and the center line position of the width direction of the main grid line 2 coincide in the series welding process of the solar cell piece 7 in the solar cell assembly assembling link, the inter-piece welding strip 8 for connecting the two adjacent solar cell pieces 7 passes through the cut hole 4, under the condition that the power generation efficiency of the solar cell piece 7 is not influenced, the inter-piece distance 6 of the solar cell piece 7 can be greatly reduced, and the situation that the inter-piece distance 6 is too small to cause the inter-piece welding strip 8 of the adjacent solar cell piece 7 to press the broken solar cell piece 7 at the bending position can be avoided.
Referring to fig. 5 to 10, as an embodiment of the solar cell string provided by the present invention, the inter-chip distance is 0.2 to 0.6 mm.
In this embodiment, by using the solar cell 7 of the present application, when designing an internal circuit of a module, the inter-cell distance 6 can be reduced from 2mm in the prior art to 0.2mm to 0.6mm, a space is left for the solder strip 8 connecting the positive and negative electrodes of the solar cell 7, and cell fragments caused by the stress of the solder strip 8 at the inter-cell position are reduced.
Referring to fig. 5 to 10, as an embodiment of the solar cell string provided by the present invention, the width of the cutting hole is greater than the width of the solder strip. Referring to fig. 3 to 5, as an embodiment of the solar cell provided by the present invention, the width of the cut hole 4 is greater than the width of the solder strip 8, so that the solder strip 8 can pass through the cut hole 4 when the solar cell 7 is serially bonded.
As an embodiment of the solar cell string provided by the present invention, please refer to fig. 3 to 5, the solder strip 8 is a flat solder strip 8, a segmented tin-plated reflective solder strip 8 or a segmented delta solder strip 8; this cell design can incorporate either a normal flat solder strip 8, or a segmented tin-plated reflective solder strip 8 or a segmented delta solder strip 8.
It should be noted here that the solar cell sheet of the present application can be applied to manufacture cells of various sizes, including whole cells with sides of 156.75mm, 157mm, 157.4mm, 158.75mm, 166mm, 166.75mm, 210mm, etc. and half cells corresponding to these sizes; can also be applied to different crystal types such as P-type polycrystal, P-type single crystal, N-type single crystal, single crystal-like and the like and battery processes; the method can also be applied to batteries with different grid line numbers, including batteries with different grid line numbers, such as five grids, six grids, seven grids, eight grids, nine grids, twelve grids, eighteen grids and the like.
Referring to fig. 5 to 10, a solar cell module according to the present invention will be described, which includes a plurality of sets of the solar cell strings set in parallel.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A solar cell comprises a silicon wafer, a suede, a doping layer and an antireflection film layer which are sequentially formed on the front surface of the silicon wafer, and is characterized in that,
the front surface of the solar cell is also provided with a plurality of main grid lines which are arranged in parallel and used for collecting current and a plurality of cutting hole groups for a welding strip to pass through, each main grid line corresponds to each cutting hole group one by one, and each cutting hole group comprises two cutting holes which are respectively arranged on the edges of two sides of the silicon wafer; the main grid line corresponding to the cutting hole group is positioned between the two cutting holes in the cutting hole group; and an etching line is arranged at a position 0-0.1mm away from the bottom of the cut hole and is perpendicular to the main grid line.
2. The solar cell of claim 1, wherein a plurality of secondary grid lines for collecting current are disposed on two sides of the main grid line, and the main grid line and the secondary grid lines are electrically connected and perpendicular to each other.
3. The solar cell piece according to claim 2, wherein the cutout hole is a rectangular hole or a circular rectangular hole.
4. A solar cell sheet according to claim 3, wherein the length of the cutout hole is 3.9 to 4.1 mm.
5. The solar cell sheet according to claim 3, wherein the width of the slit is 0.3 to 0.5 mm.
6. The solar cell piece according to claim 3, wherein the edge of the cut hole is chamfered.
7. A solar cell string, which comprises a plurality of solar cells in series connection according to any one of claims 1 to 6, wherein adjacent solar cells are electrically connected through solder strips, and a cell gap is reserved between adjacent solar cells.
8. The string of solar cells of claim 7, wherein said inter-sheet spacing is in the range of 0.2mm to 0.6 mm.
9. The solar cell string as defined in claim 8, wherein the width of the slit is greater than the width of the solder ribbon, and the solder ribbon is a flat solder ribbon, a segmented tin-plated reflective solder ribbon, or a segmented delta solder ribbon.
10. A solar module comprising a plurality of groups of the solar cell strings of any one of claims 7-9 arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261654.9A CN110931589A (en) | 2019-12-10 | 2019-12-10 | Solar cell, cell string and solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261654.9A CN110931589A (en) | 2019-12-10 | 2019-12-10 | Solar cell, cell string and solar cell module |
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| Publication Number | Publication Date |
|---|---|
| CN110931589A true CN110931589A (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911261654.9A Pending CN110931589A (en) | 2019-12-10 | 2019-12-10 | Solar cell, cell string and solar cell module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115763583A (en) * | 2022-11-21 | 2023-03-07 | 宣城海螺建筑光伏科技有限公司 | High-efficiency photovoltaic module and manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254988A (en) * | 2011-06-17 | 2011-11-23 | 阳光大地（福建）新能源有限公司 | Etching method of solar cell film |
| CN203134813U (en) * | 2012-12-07 | 2013-08-14 | 上海空间电源研究所 | Flexible silicon-based film solar cell |
| CN108987533A (en) * | 2018-07-23 | 2018-12-11 | 英利能源（中国）有限公司 | The preparation method and solar cell module of solar cell module |
| CN109768109A (en) * | 2019-01-24 | 2019-05-17 | 东方日升新能源股份有限公司 | Photovoltaic module and its processing method |
-
2019
- 2019-12-10 CN CN201911261654.9A patent/CN110931589A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254988A (en) * | 2011-06-17 | 2011-11-23 | 阳光大地（福建）新能源有限公司 | Etching method of solar cell film |
| CN203134813U (en) * | 2012-12-07 | 2013-08-14 | 上海空间电源研究所 | Flexible silicon-based film solar cell |
| CN108987533A (en) * | 2018-07-23 | 2018-12-11 | 英利能源（中国）有限公司 | The preparation method and solar cell module of solar cell module |
| CN109768109A (en) * | 2019-01-24 | 2019-05-17 | 东方日升新能源股份有限公司 | Photovoltaic module and its processing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115763583A (en) * | 2022-11-21 | 2023-03-07 | 宣城海螺建筑光伏科技有限公司 | High-efficiency photovoltaic module and manufacturing method thereof |
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Application publication date: 20200327 |