KR20160029983A - Solar cell module - Google Patents

Solar cell module Download PDF

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Publication number
KR20160029983A
KR20160029983A KR1020140119304A KR20140119304A KR20160029983A KR 20160029983 A KR20160029983 A KR 20160029983A KR 1020140119304 A KR1020140119304 A KR 1020140119304A KR 20140119304 A KR20140119304 A KR 20140119304A KR 20160029983 A KR20160029983 A KR 20160029983A
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KR
South Korea
Prior art keywords
metal ribbon
module
wiring
rows
solar cell
Prior art date
Application number
KR1020140119304A
Other languages
Korean (ko)
Inventor
김대원
최용현
Original Assignee
주식회사 에스에너지
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 에스에너지 filed Critical 주식회사 에스에너지
Priority to KR1020140119304A priority Critical patent/KR20160029983A/en
Priority to PCT/KR2015/009428 priority patent/WO2016036224A1/en
Publication of KR20160029983A publication Critical patent/KR20160029983A/en

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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
    • H01L31/04—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
    • 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
    • H01L31/0445—PV modules or arrays of single PV cells including thin film solar cells, e.g. single thin film a-Si, CIS or CdTe solar cells
    • H01L31/046—PV modules composed of a plurality of thin film solar cells deposited on the same substrate
    • H01L31/0463—PV modules composed of a plurality of thin film solar cells deposited on the same substrate characterised by special patterning methods to connect the PV cells in a module, e.g. laser cutting of the conductive or active layers
    • 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

Abstract

The present invention relates to a solar cell module, comprising: a plurality of module rows arranged apart from each other and each having at least one battery cell electrically connected thereto; a metal ribbon electrically connecting neighboring module rows; And a weld portion for connecting the heat and the metal ribbon, wherein the weld portion does not use a separate material between the module row and the metal ribbon, and a portion where the module row and the metal ribbon are in contact are welded together.

Description

Solar cell module

The present invention relates to a solar cell module.

The solar cell module is made in the form of one panel in which battery cells are arranged. Neighboring battery cells must be connected to collect power generated by the battery cells in one place.

A method of connecting the battery cells includes a method of forming a string (hereinafter referred to as a "module row") by connecting neighboring battery cells with a metal ribbon, a method of arranging the battery cells on a sheet on which wiring is formed, There is a way to connect a cell and wiring to create one module row. The adjacent module rows are connected to each other by metal ribbons having a predetermined width, and power is collected in one place.

In the above method, the combination of the module heat and the metal ribbon is made by soldering, a conductive adhesive, and an anisotropic conductive film (ACF).

However, soldering has relatively good conductivity and adhesion, but solder has to be more expensive than lead solder to prevent environmental pollution caused by lead (Pb). In addition, in the case of soldering, a flux is used to prevent oxidation of lead and to improve wettability of lead, and there has been a problem of contamination by residual flux.

The conductive adhesive and the anisotropic conductive film have problems of poor conductivity and durability as compared with soldering and high cost of materials.

Published Patent Publication No. 10-2008-0067028 (2008.07.18)

The present invention provides a technique for connecting a module row of a solar cell module to a metal ribbon without using additional materials.

The rows of solar cell modules according to an embodiment of the present invention are spaced apart from each other, and each includes a plurality of module rows in which at least one battery cell is electrically connected, a plurality of module rows in which at least one battery cell is electrically connected, And a weld portion for connecting the module row and the metal ribbon, wherein the weld portion is formed by welding a portion where the module row and the metal ribbon are in contact with each other without using a separate material between the module row and the metal ribbon.

The module row may include a wiring board on which the battery cells and the battery cells are arranged and having wiring connected to the battery cells, the metal ribbon is connected to the wiring, Copper or aluminum.

The module rows may include a cell metal ribbon connecting the battery cells and the battery cells arranged therein, the metal ribbon being connected to the cell metal ribbon, and the cell metal ribbon and the metal ribbon being made of copper or copper It can be made of aluminum.

The thickness of the wiring may be between 18 탆 and 100 탆.

Wherein the wiring board includes the wiring and a wiring sheet for supporting the wiring, and the heat shrinkage rate of the wiring sheet can be within 0% to 0.23% in a direction perpendicular to the drawing direction when the sheet is placed at 150 ° C for 15 minutes have.

Wherein the wiring board includes a wiring sheet for supporting the wiring and the wiring, wherein the wiring sheet is made of a material selected from the group consisting of polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyimide (PI) And a combination thereof.

Wherein the welded portion includes at least one first welded portion connecting one of the module rows of the metal ribbon and the neighboring module rows and at least one first welded portion connecting at least one of the neighboring module rows, And may include one second fused portion.

The fused portion may be formed by any one of ultrasonic welding, spot welding, seam welding, and laser welding.

According to the embodiment of the present invention, in bonding wires and metal ribbon or metal ribbon to the cell metal ribbon, the parts to be contacted with each other are welded and bonded to each other, so that an adhesive, an anisotropic conductive film , Lead, flux and the like without using any material. Therefore, the manufacturing cost of the solar cell module can be reduced because the cost for using the material can be reduced.

According to the embodiment of the present invention, when wiring, metal ribbon, cell metal ribbon, or the like is soldered to a conventional material as in the prior art, it is limited to expensive materials such as copper. However, when ultrasonic welding is performed, aluminum, The metal ribbon can be formed, and the selection range of the material can be widened, and the cost for selecting the material can be reduced.

According to one embodiment of the present invention, the wiring and the metal ribbon or the metal ribbon and the cell metal ribbon can be welded together without using soldering. Accordingly, a solar cell module manufactured without using expensive solder can be manufactured at a lower cost. Further, contamination due to the residual flux does not occur, thereby making it easier to manufacture a module having improved reliability characteristics.

According to one embodiment of the present invention, a wiring sheet made of any one of the group consisting of polyethylene terephthalate, polyethylene naphthalate, polyimide, and combinations thereof has a heat shrinkage of 0.23% or less when placed at 150 ° C for 15 minutes, Lt; / RTI > The heat shrinkage rate of 0.23% is the amount of deformation of 230um at 100mm size. The wiring sheet maintains a proper heat shrinkage ratio, so that the wiring and the battery cell are not misaligned. Accordingly, the solar cell module can maintain a high output.

1 is a schematic view showing a solar cell module of the present invention.
FIG. 2 is a plan view showing a state in which a module row shown in FIG. 1 and a metal ribbon are connected. FIG.
3 is an enlarged view showing a part of a module column shown in Fig.
4 is an enlarged view of a portion A shown in Fig.
Figs. 5 and 6 are partially enlarged views showing the shapes of the welded portions. Fig.
7 is a schematic view showing a solar cell module according to another embodiment of the present invention.
8 is a plan view showing a state in which a module row shown in FIG. 7 and a metal ribbon are connected.
9 is an enlarged view showing a part of a module column shown in Fig.
10 is an enlarged view of a portion B shown in Fig.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Like parts are designated with like reference numerals throughout the specification.

A solar cell module according to an embodiment of the present invention will now be described with reference to FIGS. 1 to 3. FIG.

FIG. 1 is a schematic view showing a solar cell module of the present invention, FIG. 2 is an enlarged view showing a part of the solar cell module shown in FIG. 1, and FIG. 3 is an enlarged view of a part A shown in FIG.

1 to 3, a solar cell module 1 according to the present embodiment includes a plurality of module rows 10, 20 and 30, a metal ribbon 40, a welded portion 50, a first substrate 60a A second substrate 60b, a filler 70, and a frame 80. The second substrate 60b,

The first substrate 60a and the second substrate 60b face each other with a gap therebetween, and a filler 70 is filled therebetween. The filler material 70 fixes the module rows 10, 20 and 30 located between the first substrate 60a and the second substrate 60b. The frame 80 is coupled along the rim of the first substrate 60a and the second substrate 60b to prevent foreign matter, moisture, and the like from penetrating between the first substrate 60a and the second substrate 60b.

The first substrate 60a, the second substrate 60b, the filler 70, and the frame 80 are well known in the solar cell field, and a detailed description thereof will be omitted.

The module rows 10, 20, and 30 are formed in a plurality of rows and are arranged at predetermined intervals. The module rows 10, 20 and 30 include battery cells 11, 21 and 31 and wiring boards 13, 23 and 33, respectively.

The wiring boards 13, 23 and 33 include wiring sheets 131, 231 and 331 and wirings 132, 232 and 332.

The wiring sheets 131, 231, and 331 have predetermined widths, and wirings 132, 232, and 332 are formed on one surface. A plurality of wirings 132, 232, and 332 are formed in each of the wiring sheets 131, 231, and 331, and the plurality of wirings 132, 232, and 332 are connected to each other at both ends of the wiring sheets 131, .

When the wiring sheets 131, 231 and 331 are placed at 150 DEG C for 15 minutes, the heat shrinkage ratio may be 0.13% to 0.33% in a direction perpendicular to the drawing direction. Preferably, the heat shrinkage percentage may be 0%. The heat shrinkage rate of 0.23% is the amount of deformation of 230um at a size of 100mm. The heat shrinkage rate is related to the dimensional accuracy of the wiring boards 131, 231, and 331. For example, when the heat shrinkage ratio exceeds 0.23%, the wiring 132, 232, 332 and the battery cells 11, 21, 31 are misaligned and the output (energy generated when light is given to the battery cell) .

The wiring sheets 13, 23, and 33 may be formed of any one selected from the group consisting of polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyimide (PI) Can be made.

Polyethylene terephthalate is excellent in heat resistance, stiffness and electrical properties, and its ultimate strength is slightly reduced even at high temperatures for a long time. Because it belongs to crystalline plastic, it is resistant to oil like diesel oil.

Polyethylene naphthalate is similar in basic structure to polyethylene terephthalate, but has better heat resistance and durability.

Polyimide can be used up to 250 占 폚, has excellent heat resistance, and little change in properties from low temperature to high temperature. Also, it has good impact resistance, dimensional stability, and excellent electrical properties.

Each of the battery cells 11, 21, and 31 has a predetermined width and is arranged on one surface of each of the wiring sheets 131, 231, and 331. The portions of the battery cells 11, 21, and 31 facing the one surface of each wiring sheet 131, 231, and 331 are electrically connected to the wirings 132, 232, and 332. The battery cells 11, 21 and 31 are connected to each other by the wirings 132, 232 and 332 of the wiring boards 13, 23 and 33, The power can be collected at both ends of the wiring boards 13, 23, and 33 via the wirings 132, 232, and 332. [

Although the number of the battery modules 11, 21 and 31 is four in each of the module rows 10, 20 and 30 while the number of the module rows 10, 20 and 30 is three in FIG. 1, 20, and 30 and the number of the battery cells 11, 21, and 31 may vary depending on the design conditions of the solar cell module 1. [

The metal ribbon 40 has a predetermined length, and the thickness thereof may be 100 탆 to 400 탆. If the thickness is less than 100 탆, the solar cell module may be easily damaged due to external force, resulting in a lower reliability of the solar cell module. If the thickness exceeds 400 탆, material consumption may be excessively increased, . The preferable thickness of the metal ribbon 40 may be 200 mu m.

The metal ribbon 40 is located at the ends of the wiring sheets 131, 231, and 331. One side of the metal ribbon 40 is connected to the wiring 132 of one arranged module row 10 and the other side is connected to the wiring 232 of the other module row 20 among neighboring module rows.

The welded portion 50 is formed between the metal ribbon 40 and the wirings 132, 232, 332 by an ultrasonic welding method by connecting the metal ribbon 40 and the wirings 132, 232, 332 .

The ultrasonic welding is performed by positioning the metal ribbon 40 and the wirings 132, 232 and 332 between a tool horn (not shown) and an anvil (not shown) And the wirings 132, 232, and 332, respectively. At this time, the metal ribbon 40 and the wirings 132, 232, and 332 are pressed together by the horn and the anvil while the metal ribbon 40 and the wirings 132, 232, and 332 are pressed and welded.

On the other hand, the thicker the metal ribbon 40 and the wirings 132, 232, and 332, the larger the pitch of the welded portion.

The metal ribbon 40 and the wirings 132, 232 and 332 are welded and bonded to each other so that any material such as an adhesive, an anisotropic conductive film, lead or the like between the metal ribbon 40 and the wirings 132, 232, The metal ribbon 40 and the wirings 132, 232, and 332 can be joined without using the metal ribbon.

The metallic ribbon 40 and the wirings 132, 232, and 332 are coupled with each other without using any additional material by ultrasonic welding, so that the manufacturing cost for using the material can be reduced. 232 and 332 and metal ribbon 40, which is cheaper than copper but difficult to attach in a soldering manner, and which has been avoided in use. The cost of manufacturing solar cell modules can be reduced by using aluminum, which is cheaper than copper.

Accordingly, the metal ribbon 40 and the wirings 132, 232, and 332 according to the present embodiment can be made of copper or aluminum. The thickness of the wirings 132, 232, and 332 may be 18 占 퐉 to 100 占 퐉. Here, the thickness of the wirings 132, 232, and 332 may vary depending on the material. For example, when the wirings 132, 232, and 332 are made of copper, the thickness thereof may be 18 μm to 75 μm, and when made of aluminum, the thickness may be 25 μm to 100 μm.

If the thickness of the wirings 132, 232, and 332 made of copper is less than 18 mu m and the thickness of the wirings 132, 232, and 332 made of aluminum is less than 25 mu m, There is a problem that the reliability is lowered. When the thickness of the wirings 132, 232, 332 made of copper exceeds 75 mu m and the thickness of the wirings 132, 232, 332 made of aluminum exceeds 100 mu m, the wirings 132, 232, The material consumed is excessively generated, which may cause a rise in the cost of the solar cell module. In addition, the weight of the solar cell module may increase.

The welded portion 50 includes a first welded portion 51 and a second welded portion 52.

The first welding portion 51 connects one side of the metal ribbon 40 to one module row 10 and the second welding portion 52 connects the other side of the metal ribbon 40 and one module row 10. [ And another adjacent module row 20.

The first fused portion 51 and the second fused portion 52 are each formed of at least one. Accordingly, the first welding portion 51 and the second welding portion 52 can be formed in various shapes as shown in FIGS. 2, 4 to 6. The first welding portion 51 and the second welding portion 52 may be formed in various shapes after welding according to the process of ultrasonic welding.

The lengths L1 and L2 of the first and second fused portions 51 and 52 may vary depending on the widths of the wiring substrates 13, However, the minimum length of the first welded portion 51 and the second welded portion 52 may be less than about 0.3 mm, which is the thickness of the metal ribbon 40.

The first welding portion 51 and the second welding portion 52 are composed of a plurality of rectangular dots formed by pressing the metal ribbon 40 and the wirings 132, 232 and 332 with the horn and the anvil. The shape and width of the square dots may vary depending on the design of the horn and the anvil.

2 to 6, the bonded portion 50 may be formed in various shapes such as a stripe, a block formed by joining at least four dots, or the like. .

The first welding portion 51 and the second welding portion 52 are formed by ultrasonic welding. However, the first welding portion 51 and the second welding portion 52 may be formed by resistive welding. spot welds and seam welds) or laser welding or the like.

However, since the metal ribbon 40 and the wirings 132, 232, and 332 are welded to each other, the non-solder is not required . Accordingly, a solar cell module manufactured without using lead (Pb) can be manufactured at a lower cost.

Next, another embodiment of the present invention will be described with reference to FIGS. 7 to 10. FIG.

FIG. 7 is a schematic view showing a solar cell module according to another embodiment of the present invention, FIG. 8 is a plan view showing a state in which a module row shown in FIG. 7 and a metal ribbon are connected to each other, And FIG. 10 is an enlarged view of a portion B shown in FIG. 9.

7 to 11, the solar cell module 2 according to the present embodiment includes a plurality of module rows 10, 20 and 30, a metal ribbon 40, a welded portion 50, a first substrate 60a A second substrate 60b, a filler 70, and a frame 80. The second substrate 60b,

The first substrate 60a, the second substrate 60b, the filler 70 and the frame 80 of the solar cell module 2 according to the present embodiment are substantially the same as the embodiments shown in Figs. 1 to 6 .

The first substrate 60a and the second substrate 60b face each other with a gap and the filler 70 is filled between the first substrate 60a and the second substrate 60b to form the first substrate 60a and the second substrate 60b, And protects the module rows (10, 20, 30) located between the substrates (60b). The frame 80 is coupled along the outer periphery of the first substrate 60a and the second substrate 60b to prevent foreign matter, moisture, and the like from penetrating the module rows 10, 20, and 30.

However, the module rows 10, 20, and 30, the metal ribbon 40, and the welded portion 50 according to the present embodiment have different structures.

The module rows 10, 20 and 30 include battery cells 11, 21 and 31 and cell metal ribbons 12, 22 and 32. [

A plurality of battery cells 11, 21, and 31 are arranged with intervals therebetween and are connected by cell metal ribbons 12, 22, and 32, respectively. One side of each of the cell metal ribbons 12, 22 and 32 is connected to one of the battery cells 11, 21 and 31 when each of the cell metal ribbons 12, 22 and 32 connects the respective battery cells 11, And the other side is connected to the other side of the adjacent battery cells 11 ', 21', 31 '.

The connection structure of the cell metal ribbons 12, 22 and 32 and the battery cells 11, 21, 31 and 11 ', 21' and 31 'can be a structure known in the field of solar cell modules, A description of the structure is omitted.

Both sides of the cell metal ribbon 12, 22 and 32 are out of the battery cells 11, 21 and 31 located at the outermost of the module rows 10, 20 and 30.

The metal ribbon 40 is connected to the cell metal ribbons 12, 22 and 32 which are out of the battery cells 11, 21 and 31 of the module rows 10, 20 and 30. One side of the metal ribbon 40 is connected to one module row 10 of adjacent module rows and the other side is connected to another module row 20 of neighboring module rows.

The number of the battery cells 11, 21, and 31 disposed in the module rows 10, 20, and 30 may vary depending on the design conditions of the solar cell module 2. [

The bonded portion 50 is formed between the metal ribbon 40 and the cell metal ribbons 12, 22 and 32 and is ultrasonically welded in the same manner as the bonded portion according to the embodiment of FIGS. The metal ribbon 40 and the cell metal ribbons 12, 22, 32 can be joined to each other without using any material by ultrasonic welding. Aluminum, which is difficult to connect by solder, can be connected by ultrasonic welding, so that aluminum, which is cheaper than copper, can be utilized as the metal ribbon 40 and the cell metal ribbons 12, 22, 32. The shape and structure of the welded portion 50 according to the present embodiment may vary depending on the area in which the metal ribbon 40 and the cell metal ribbons 12, 22, 32 contact. As in the previous embodiment, the welded portion can be formed by resistance welding, laser welding or the like instead of ultrasonic welding in this embodiment.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, Of the right.

1, 2: solar cell module 10, 20, 30: module column
11, 21, 31: battery cells 12, 22, 32: cell metal ribbon
13, 23, 33: wiring board 131, 231, 331: sheet wiring
132, 232, 332: wiring 40: metal ribbon
50: welded portion 51: first welded portion
52: second welding portion 60a: first substrate
60b: second substrate 70: filler
80: frame

Claims (7)

A plurality of module rows in which arranged battery cells are electrically connected to each other,
A metal ribbon for electrically connecting neighboring module rows and
And a welding portion for connecting the module row and the metal ribbon
Lt; / RTI >
The welded portion does not use a separate material between the module row and the metal ribbon but a portion where the module row and the metal ribbon are in contact with each other is welded and formed
Solar module. The method of claim 1,
The module rows
The battery cell and /
And a wiring board having the battery cells arranged therein and having wiring connected to the battery cells,
Wherein the metal ribbon is connected to the wiring, and the wiring and the metal ribbon are made of copper or aluminum. 3. The method of claim 2,
Wherein a thickness of the wiring is 18 占 퐉 to 100 占 퐉. 3. The method of claim 2,
Wherein the wiring board includes the wiring and a wiring sheet for supporting the wiring, wherein the heat shrinkage ratio of the wiring sheet is 0% to 0.23% in a direction perpendicular to the drawing direction when the sheet is placed at 150 ° C for 15 minutes module. The method of claim 1,
The module rows
The battery cell and the battery cell
And a cell metal ribbon
/ RTI >
Wherein the metal ribbon is connected to the cell metal ribbon, and the cell metal ribbon and the metal ribbon are made of copper or aluminum. The method of claim 1,
Wherein the welded portion includes at least one first welded portion connecting one of the module rows of the metal ribbon and the neighboring module rows and at least one first welded portion connecting at least one of the neighboring module rows, A solar cell module comprising one second fused portion. The method of claim 6,
Wherein the weld portion is formed by any one of ultrasonic welding, spot welding, seam welding, and laser welding.
KR1020140119304A 2014-09-05 2014-09-05 Solar cell module KR20160029983A (en)

Priority Applications (2)

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KR1020140119304A KR20160029983A (en) 2014-09-05 2014-09-05 Solar cell module
PCT/KR2015/009428 WO2016036224A1 (en) 2014-09-05 2015-09-07 Solar cell module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140119304A KR20160029983A (en) 2014-09-05 2014-09-05 Solar cell module

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AU2019249270A1 (en) * 2018-04-06 2020-11-05 Maxeon Solar Pte. Ltd. Laser assisted metallization process for solar cell stringing
WO2019195804A1 (en) 2018-04-06 2019-10-10 Sunpower Corporation Laser assisted metallization process for solar cell circuit formation
US11362234B2 (en) 2018-04-06 2022-06-14 Sunpower Corporation Local patterning and metallization of semiconductor structures using a laser beam
CN111954935A (en) 2018-04-06 2020-11-17 太阳能公司 Laser-assisted metallization process for solar cell fabrication
WO2019195803A1 (en) 2018-04-06 2019-10-10 Sunpower Corporation Laser assisted metallization process for solar cell fabrication

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WO2011149119A1 (en) * 2010-05-24 2011-12-01 주식회사 에스에너지 Solar cell module and method for manufacturing same
KR101239533B1 (en) * 2010-11-05 2013-03-06 가부시키가이샤 티지엠 Sheet for solar cell sealing
DE112012001641T5 (en) * 2011-04-11 2014-02-06 Mitsubishi Electric Corp. Solar battery module and manufacturing method for it
JP5866105B2 (en) * 2012-07-19 2016-02-17 株式会社ケー・アイ・エス Resin substrate solar cell module
KR101459099B1 (en) * 2012-07-30 2014-11-13 주식회사 가이아에너지 Solar cell module and apparatus for manufacturing the same

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