CN109659402A - The series winding technique of solar battery sheet - Google Patents
The series winding technique of solar battery sheet Download PDFInfo
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- CN109659402A CN109659402A CN201910068305.9A CN201910068305A CN109659402A CN 109659402 A CN109659402 A CN 109659402A CN 201910068305 A CN201910068305 A CN 201910068305A CN 109659402 A CN109659402 A CN 109659402A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004804 winding Methods 0.000 title claims abstract description 20
- 238000007731 hot pressing Methods 0.000 claims abstract description 94
- 239000002184 metal Substances 0.000 claims description 16
- 238000003475 lamination Methods 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 13
- 239000011162 core material Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004831 Hot glue Substances 0.000 claims description 3
- 229920000426 Microplastic Polymers 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- -1 acryl Chemical group 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 claims description 3
- 239000002322 conducting polymer Substances 0.000 claims description 3
- 229920001940 conductive polymer Polymers 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 239000009719 polyimide resin Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920005749 polyurethane resin Polymers 0.000 claims description 3
- 229920002050 silicone resin Polymers 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 2
- 229920006255 plastic film Polymers 0.000 claims description 2
- 239000002070 nanowire Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
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- 230000004048 modification Effects 0.000 description 2
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- 238000007740 vapor deposition Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
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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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
- H01L31/188—Apparatus specially adapted for automatic interconnection of solar cells in a module
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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
- 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
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Sustainable Energy (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of series winding techniques of solar battery sheet, two neighboring tiling cell piece is chained together by connector, the first end of connector, the second end can be directly with corresponding cell piece adhesions, and first end, the second end are combined together and are electrically connected with corresponding cell piece by vertical hot pressing；The insulating outer layer of connector middle part can keep insulating, it can avoid positive back side short circuit of the middle part by same cell piece, the tiling of two neighboring cell piece can solid matter, i.e., two neighboring tiling cell piece can be respectively with connector middle part against so that the spacing of two neighboring tiling cell piece reaches minimum.
Description
Technical field
The present invention relates to the series winding techniques of solar battery sheet.
Background technique
Solar cell module (being also solar panel, photovoltaic module) is the core in solar power system
Point.Solar cell module refers to outer enclosure and internal connection, the minimum inseparable of direct current electricity output can be provided separately
The solar battery group cut, which attaches together, sets, and is mainly made of solar battery sheet, tempered glass, EVA, backboard and frame etc..
The production method of solar cell module mainly comprises the steps that cell piece concatenates, component stack, component layer
Pressure, frames up.
Wherein, cell piece concatenation is mainly: the multiple cell pieces of the concatenation that successively tiles along a certain orientation, by multiple electricity
Pond piece is connected into battery strings；The back side (rear electrode) of latter cell piece passes through the front of conducting connecting part and previous cell piece
(front electrode) series connection；Alternatively, the front (front electrode) of latter cell piece passes through the back of conducting connecting part and previous cell piece
Face (rear electrode) series connection；Conducting connecting part is generally welding wire or welding.
Component stack is mainly: stacking gradually laying tempered glass, EVA, battery strings, EVA, backboard.
Component lamination is mainly: by hot pressing, bonding each layer assembly of stacking under certain temperature, pressure condition and melts
It is combined, forms an entirety.
As described above, two tiling cell pieces adjacent in battery strings need to concatenate by conducting connecting part, in order to avoid
The positive back side short circuit of same cell piece, two neighboring tiling cell piece are needed to be arranged a fixed spacing by conducting connecting part, to avoid
Conducting connecting part contacts simultaneously with the positive back side of same cell piece, this allows for cell piece tiling and is unable to solid matter, wastes component face
Product, influences the efficiency of component.
Summary of the invention
The purpose of the present invention is to provide a kind of series winding techniques of solar battery sheet, will be two neighboring flat by connector
Paving cell piece is chained together, the first end of connector, the second end can directly with corresponding cell piece adhesion, and first end
Portion, the second end are combined together and are electrically connected with corresponding cell piece by vertical hot pressing；Outside the insulation of connector middle part
Layer can keep insulating, and can avoid middle part for the short circuit of the positive back side of same cell piece, two neighboring cell piece tiling can solid matter, i.e.,
Two neighboring tiling cell piece can be respectively with connector middle part against so that the spacing of two neighboring tiling cell piece reaches most
It is small.
To achieve the above object, the present invention provides a kind of series winding technique of solar battery sheet, includes the following steps:
1) adhesion:
The cell piece that two tile is chained together by connector, this two positive polarity of tiling cell piece are identical, together
The polarity at the positive back side of one cell piece is opposite；Connector includes conductive core material and insulating outer layer；Insulating outer layer is internal containing conduction
The insulating cement of particle, and insulating outer layer is electrically conductive after by hot pressing, using the hot pressing condition insulating outer layer that can make insulating outer layer conduction
Conductive hot pressing condition；
Front (front electrode) adhesion of connector and one of cell piece, on connector with the cell piece front adhesion
Part is the first end of connector；
The back side (rear electrode) adhesion of connector and another cell piece, with the portion on connector with the cell piece back side adhesion
It is divided into the second end of connector；
Using the part on connector between first end and the second end as the middle part of connector；Middle part is clipped in above-mentioned
Between two tiling cell pieces；
2) vertical hot pressing:
Vertical hot pressing is carried out to first end and the second end, first end and the second end is made to meet conductive hot pressing condition；In
Between portion be clipped between above-mentioned two tiling cell piece, be not affected by the vertical pressure of vertical hot pressing, middle part does not meet conductive heat pressure
Condition；
The insulating outer layer of first end is conductive by vertical hot pressing, and the front (front electrode) of first end and corresponding cell piece
It is combined together and is electrically connected；
The insulating outer layer of the second end is conductive by vertical hot pressing, and the back side (rear electrode) of the second end and corresponding cell piece
It is combined together and is electrically connected；
The insulating outer layer of middle part keeps insulation, to avoid middle part that the positive back side of same cell piece is short-circuit.
Preferably, the conducting particles be solder grain, metal powder, carbon dust, Graphene powder, conducting polymer particle,
Plastic pellet, carbon nanotube or the metal nanometer line of metallic cover.
Preferably, the material of the insulating cement be mainly epoxy resin, acrylic resin, polyurethane resin, vinyl chloride-vinyl acetate resin,
Acryl resin, hot melt adhesive, silicone resin, polyurethane, phenolic resin, polyamide, polyimide resin or polycarbonate.
Preferably, the conductive core material is wire, metal tape, metal foil, metal mesh, hardware cloth or vapor deposition conductive layer
Plastic film.
Preferably, the conductive hot pressing condition includes: conductive hot pressing temperature strip part, conductive hot pressing pressure condition and conductive heat
Press time conditions；Conductive hot pressing temperature strip part be hot pressing temperature be not less than 100 DEG C, conductive hot pressing pressure condition be hot pressing pressure not
Less than 0.00001MPa, conductive hot pressing time conditions are that hot pressing time is not less than 5s.
Preferably, the temperature of the vertical hot pressing is 100~200 DEG C, the pressure of vertical hot pressing is 0.00001~
0.2MPa, the time of vertical hot pressing are 5~1800s.
Preferably, the partial size of the conducting particles is 0.1~100um.
Preferably, the insulating outer layer with a thickness of 5~500um.
Preferably, the conductive core material with a thickness of 5~500um.
Preferably, the vertical hot pressing carries out in the component lamination step in solar cell module preparation process, leads to
The heat pressing process in component lamination step is crossed, completes the combination and electrical connection of connector and corresponding cell piece together.
The series winding technique of solar battery sheet of the present invention has a characteristic that
1, the insulating outer layer of connector be insulating cement, have viscosity, therefore the first end of connector, the second end can directly with it is right
The cell piece adhesion answered, the installation of connector are more convenient quick.
2, the first end of connector, the second end are conductive by the vertical hot pressing for meeting conductive hot pressing condition, and the
One end, the second end are combined together with corresponding cell piece by vertical hot pressing and are electrically connected, it can be achieved that two neighboring electricity
The electrical connection (series connection) of pond piece.
3, the middle part of connector is clipped between two neighboring tiling cell piece, is not affected by the vertical pressure of vertical hot pressing,
Middle part does not meet conductive heat press strip part, and the insulating outer layer of middle part can keep insulating, and can avoid middle part for same cell piece
The short circuit of the positive back side, the tiling of two neighboring cell piece can solid matter, i.e., two neighboring tiling cell piece can be respectively and among connector
Portion is against so that the spacing of two neighboring tiling cell piece reaches minimum.
4, the conductive characteristic after by hot pressing (meet conductive hot pressing condition) based on insulating outer layer, above-mentioned vertical hot pressing can be
It carries out in component lamination step in solar cell module preparation process, before component lamination, connector is not erected
To hot pressing, but by the vertical hot pressing of connector be placed in the component lamination step in solar cell module preparation process into
Row, by the heat pressing process (hot pressing in component lamination step is also vertical) in component lamination step, realizes connector together
It is affixed with corresponding cell piece, the step of vertical hot pressing of part is attached before component lamination can be saved, production efficiency can be improved,
Reduce production cost.
Specific embodiment
With reference to embodiment, the specific embodiment of the present invention is further described.Following embodiment is only used for more
Add and clearly demonstrate technical solution of the present invention, and not intended to limit the protection scope of the present invention.
Embodiment 1
The present invention provides a kind of series winding technique of solar battery sheet, includes the following steps:
1) adhesion:
The cell piece that two tile is chained together by connector, this two positive polarity of tiling cell piece are identical, together
The polarity at the positive back side of one cell piece is opposite；Connector includes conductive core material and insulating outer layer；Insulating outer layer is internal containing conduction
The insulating cement of particle, and insulating outer layer is electrically conductive after by hot pressing, using the hot pressing condition insulating outer layer that can make insulating outer layer conduction
Conductive hot pressing condition；
Front (front electrode) adhesion of connector and one of cell piece, on connector with the cell piece front adhesion
Part is the first end of connector；
The back side (rear electrode) adhesion of connector and another cell piece, with the portion on connector with the cell piece back side adhesion
It is divided into the second end of connector；
Using the part on connector between first end and the second end as the middle part of connector；Middle part is clipped in above-mentioned
Between two tiling cell pieces；
2) vertical hot pressing:
Vertical hot pressing is carried out to first end and the second end, first end and the second end is made to meet conductive hot pressing condition；In
Between portion be clipped between above-mentioned two tiling cell piece, be not affected by the vertical pressure of vertical hot pressing, middle part does not meet conductive heat pressure
Condition；
The insulating outer layer of first end is conductive by vertical hot pressing, and the front (front electrode) of first end and corresponding cell piece
It is combined together and is electrically connected；
The insulating outer layer of the second end is conductive by vertical hot pressing, and the back side (rear electrode) of the second end and corresponding cell piece
It is combined together and is electrically connected；
The insulating outer layer of middle part keeps insulation, to avoid middle part that the positive back side of same cell piece is short-circuit.
The conducting particles is solder grain, metal powder, carbon dust, Graphene powder, conducting polymer particle, metallic cover
Plastic pellet, carbon nanotube or metal nanometer line.
The material of the insulating cement is mainly epoxy resin, acrylic resin, polyurethane resin, vinyl chloride-vinyl acetate resin, acrylic
Resin, hot melt adhesive, silicone resin, polyurethane, phenolic resin, polyamide, polyimide resin or polycarbonate.
The conductive core material is that the plastics of wire, metal tape, metal foil, metal mesh, hardware cloth or vapor deposition conductive layer are thin
Film.
The conduction hot pressing condition includes: conductive hot pressing temperature strip part, conductive hot pressing pressure condition and conductive hot pressing time
Condition；Conductive hot pressing temperature strip part is that hot pressing temperature is not less than 100 DEG C, and conductive hot pressing pressure condition is not less than for hot pressing pressure
0.00001MPa, conductive hot pressing time conditions are that hot pressing time is not less than 5s.
The temperature of the vertical hot pressing is 100~200 DEG C, and the pressure of vertical hot pressing is 0.00001~0.2MPa, vertical heat
The time of pressure is 5~1800s.
The partial size of the conducting particles is 0.1~100um.
The insulating outer layer with a thickness of 5~500um.
The conductive core material with a thickness of 5~500um.
Embodiment 2
The present invention provides a kind of series winding technique of solar battery sheet, and on the basis of embodiment 1, difference is:
The conduction hot pressing condition includes: conductive hot pressing temperature strip part, conductive hot pressing pressure condition and conductive hot pressing time conditions；
Conductive hot pressing temperature strip part is that hot pressing temperature is not less than 100 DEG C, and conductive hot pressing pressure condition is not less than for hot pressing pressure
0.02MPa, conductive hot pressing time conditions are that hot pressing time is not less than 5s.
The temperature of the vertical hot pressing is 120~150 DEG C, and the pressure of vertical hot pressing is 0.02~0.03MPa, vertical hot pressing
Time be 600~1200s.
Embodiment 3
The present invention provides a kind of series winding technique of solar battery sheet, and on the basis of embodiment 2, difference is:
The vertical hot pressing carries out in the component lamination step in solar cell module preparation process, is walked by component lamination
Heat pressing process in rapid completes the combination and electrical connection of connector and corresponding cell piece together.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. the series winding technique of solar battery sheet, which comprises the steps of:
1) adhesion:
The cell piece that two tile is chained together by connector, this two positive polarity of tiling cell piece are identical, together
The polarity at the positive back side of one cell piece is opposite；Connector includes conductive core material and insulating outer layer；Insulating outer layer is internal containing conduction
The insulating cement of particle, and insulating outer layer is electrically conductive after by hot pressing, using the hot pressing condition insulating outer layer that can make insulating outer layer conduction
Conductive hot pressing condition；
The positive adhesion of connector and one of cell piece, to be connected on connector with the part of the cell piece front adhesion
The first end of part；
The back side adhesion of connector and another cell piece, using on connector with the part of the cell piece back side adhesion as connector
The second end；
Using the part on connector between first end and the second end as the middle part of connector；Middle part is clipped in above-mentioned
Between two tiling cell pieces；
2) vertical hot pressing:
Vertical hot pressing is carried out to first end and the second end, first end and the second end is made to meet conductive hot pressing condition；In
Between portion be clipped between above-mentioned two tiling cell piece, be not affected by the vertical pressure of vertical hot pressing, middle part does not meet conductive heat pressure
Condition；
The insulating outer layer of first end is conductive by vertical hot pressing, and first end is combined together with the front of corresponding cell piece
And it is electrically connected；
The insulating outer layer of the second end is conductive by vertical hot pressing, and the second end is combined together with the back side of corresponding cell piece
And it is electrically connected；
The insulating outer layer of middle part keeps insulation, to avoid middle part that the positive back side of same cell piece is short-circuit.
2. the series winding technique of solar battery sheet according to claim 1, which is characterized in that the conducting particles is solder
Particle, metal powder, carbon dust, Graphene powder, conducting polymer particle, the plastic pellet of metallic cover, carbon nanotube or metal
Nano wire.
3. the series winding technique of solar battery sheet according to claim 1, which is characterized in that the material master of the insulating cement
Will for epoxy resin, acrylic resin, polyurethane resin, vinyl chloride-vinyl acetate resin, acryl resin, hot melt adhesive, silicone resin, polyurethane,
Phenolic resin, polyamide, polyimide resin or polycarbonate.
4. the series winding technique of solar battery sheet according to claim 1, which is characterized in that the conductive core material is metal
Silk, metal tape, metal foil, metal mesh, hardware cloth or the plastic film that conductive layer is deposited.
5. the series winding technique of solar battery sheet according to claim 1, which is characterized in that the conduction hot pressing condition packet
It includes: conductive hot pressing temperature strip part, conductive hot pressing pressure condition and conductive hot pressing time conditions；Conductive hot pressing temperature strip part is hot pressing
Temperature is not less than 100 DEG C, and conductive hot pressing pressure condition is that hot pressing pressure is not less than 0.00001MPa, and conductive hot pressing time conditions are
Hot pressing time is not less than 5s.
6. the series winding technique of solar battery sheet according to claim 1, which is characterized in that the temperature of the vertical hot pressing
It is 100~200 DEG C, the pressure of vertical hot pressing is 0.00001~0.2MPa, and the time of vertical hot pressing is 5~1800s.
7. the series winding technique of solar battery sheet according to claim 1, which is characterized in that the partial size of the conducting particles
For 0.1~100um.
8. the series winding technique of solar battery sheet according to claim 1, which is characterized in that the thickness of the insulating outer layer
For 5~500um.
9. the series winding technique of solar battery sheet according to claim 1, which is characterized in that the thickness of the conductive core material
For 5~500um.
10. the series winding technique of solar battery sheet according to claim 1, which is characterized in that the vertical hot pressing is too
It is carried out in component lamination step in positive energy battery component preparation process, by the heat pressing process in component lamination step, together
Complete the combination and electrical connection of connector and corresponding cell piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068305.9A CN109659402A (en) | 2019-01-24 | 2019-01-24 | The series winding technique of solar battery sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068305.9A CN109659402A (en) | 2019-01-24 | 2019-01-24 | The series winding technique of solar battery sheet |
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| CN109659402A true CN109659402A (en) | 2019-04-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649118A (en) * | 2019-09-02 | 2020-01-03 | 中节能太阳能科技（镇江）有限公司 | Piece-splicing photovoltaic module |
| CN110931602A (en) * | 2019-12-09 | 2020-03-27 | 常州时创能源科技有限公司 | Series connection method of solar cell strings |
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