CN205863185U - A kind of heterojunction solar battery assembly of high transformation efficiency - Google Patents
A kind of heterojunction solar battery assembly of high transformation efficiency Download PDFInfo
- Publication number
- CN205863185U CN205863185U CN201620609442.0U CN201620609442U CN205863185U CN 205863185 U CN205863185 U CN 205863185U CN 201620609442 U CN201620609442 U CN 201620609442U CN 205863185 U CN205863185 U CN 205863185U
- Authority
- CN
- China
- Prior art keywords
- solar battery
- heterojunction solar
- adhesion coating
- battery assembly
- glass
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses the heterojunction solar battery assembly of a kind of high transformation efficiency, including front glass sheet, back-panel glass, intermediate layer between front glass sheet and back-panel glass and outer adhesion coating；Outer adhesion coating is positioned at the surrounding in intermediate layer, described intermediate layer include heterojunction solar battery layer, upper interior adhesion coating between battery layers and front glass sheet, lower between battery layers and back-panel glass in adhesion coating；Battery layers includes some cell pieces and the conduction grid line connected by cell piece；Described heterojunction solar battery assembly also includes the rosette being positioned at the back-panel glass back side, the bus that confluxes rosette being connected with conduction grid line.The conversion efficiency of this heterojunction solar battery assembly is high, and the life-span is long, is simple to manufacture, and yield rate is high.
Description
Technical field
The present invention relates to the heterojunction solar battery assembly of a kind of high transformation efficiency, belong to field of photovoltaic technology.
Background technology
Owing to conventional crystalline silicon technology runs into technical bottleneck and cost pressure is very big in conversion efficiency, in current industry, account for master
The conventional crystalline silicon solar components product overwhelming majority of stream all employ similar TPT, TPE mono-the macromolecule back veneer material of class substitute
Glass is as back plate main body.But light, thermal ageing property and environment unstability that macromolecule back veneer material is natural, cause photovoltaic
Assembly works under environment on the spot and occurs that obvious quality glides after a period of time, mainly shows as that output decay is big, enters
A series of great quality problems such as water electric leakage, spontaneous combustion.According to statistics, by the end of the year 2013,22 the main provinces, cities and regions in the whole nation are the most accumulative
Grid-connected 741 large-sized photovoltaic power generation projects, are concentrated mainly on that sunshine is abundant but the Northwest of bad environments.National Development and Reform Committee,
The mechanisms such as Beijing Jian Heng authentication center and E.I.Du Pont Company or company's investigation find: these 741 the most grid-connected large-sized photovoltaics are sent out in station,
There is substantial amounts of product quality problem, mainly show as assembly backboard cracking, coating thinning, backboard burning etc., which results in people
To photovoltaic products quality and the close attention of environmental reliability.
Under many-sided its development such as above-mentioned technology, cost, quality, how by crystal silicon and the Film laminated of high conversion
Type heterojunction solar battery is fabricated to heterojunction photovoltaic assembly, and possesses reliable quality, environmental reliability and excellence
Service life is photovoltaic solar crystal silicon and an important breakthrough point of film heterojunction technology industrialization development.
Through retrieval, the most not yet there are the disclosed crystal silicon by this high conversion and film composite type heterojunction solar electricity
Pond is fabricated to the report of the component package technology of assembly, the most not the research report to this type of heterojunction photovoltaic assembly quality reliability
Road and relevant patent thereof.
Summary of the invention
Present invention solves the technical problem that and be, propose the new construction of a kind of heterojunction solar battery assembly, and combination adds
Work technique and encapsulating material make the photoelectric transformation efficiency of battery component and yield rate the highest.
The technical scheme is that, it is provided that the heterojunction solar battery assembly of a kind of high transformation efficiency, including header board
Glass, back-panel glass, intermediate layer between front glass sheet and back-panel glass and outer adhesion coating；Outer adhesion coating is positioned at the four of intermediate layer
In week, described intermediate layer includes heterojunction solar battery layer, upper interior adhesion coating between battery layers and front glass sheet, is positioned at electricity
Lower interior adhesion coating between pond layer and back-panel glass；Battery layers includes some cell pieces and the conduction grid line connected by cell piece；Described
Heterojunction solar battery assembly also includes the rosette being positioned at the back-panel glass back side, remittance rosette being connected with conduction grid line
Stream bus.
Further, described conduction grid line includes that metal conductive strips, metal conductive strips include Copper base material and coated copper base material
Alloy coat, the thickness of alloy coat be less than 45 μm.
Further, described alloy coat closes selected from slicker solder bismuth alloy, slicker solder indium alloy, slicker solder silver alloy and slicker solder bismuth silver
One in gold.
Further, described outer adhesion coating is butyl rubber.
Further, the vapor transmission rate of described butyl rubber is less than 0.03g/ (m2Day), insulation resistance value is more than
1010Ω·cm。
Further, the thickness of described interior adhesion coating and lower interior adhesion coating is 300～500 μm.
Further, described interior adhesion coating and lower interior adhesion coating are EVA；Or upper interior adhesion coating and lower interior adhesion coating are TPO；
TPO resistance characteristic is the best, and body resistivity can reach 1015Ω cm, is better than EVA.TPO is TPO and olefinic rubber
The blend polymer of composition.
Further, the body resistivity of TPO is more than 1015Ω cm, water vapor transmittance is less than 4g/ (m2·day)。
Further, the degree of cross linking of described EVA is more than 80%, and the cutoff wavelength of ultraviolet light is less than or equal to 380nm,
380～1100nm its light transmittances of optical band are more than 90%, and body resistivity is more than 1014Ω cm, water vapor transmittance is less than 40g/
(m2·day)。
Further, back-panel glass setting through hole, rosette is connected with conduction grid line by the bus that confluxes by this through hole.
Further, described cell piece is crystal silicon/silicon thin film heterojunction solar battery sheet.Targeted heterogeneous of the present invention
Knot can be made up of two kinds of different semi-conducting materials, it is possible to by semi-conducting material of the same race but different crystalline structure is (as thin in crystal silicon and silicon
Film) constitute.
Further, described conduction grid line is made up of metal conductive strips and TPO.
Below for the present invention is further illustrated.
The present invention uses crystal silicon and film composite type heterojunction solar battery as photovoltaic generation functional unit, and assembly is total
Contain 60 battery units altogether, use 5 low-temperature cured conductive pastes and the metallic conduction rule to be concatenated into by 60 battery units
One complete generator unit, before using, double glass structures of back-panel glass as the main structure body of assembly, use yellowing-resistant
The butyl rubber of EVA and high impedance high water resistant, as main body encapsulating material, encapsulating structure is middle many laminations, surrounding blocking type
Encapsulating structure, output connection uses the mode of connection of the back-panel glass external rosette of perforation.Assembly includes header board glassy layer, is positioned at
Compound heterojunction solar battery layer below header board glass inner side, it is positioned at backboard parallel with front glass sheet below battery layers
Glassy layer, interior adhesion coating between front glass sheet and back-panel glass layer and outer adhesion coating, and the wiring being placed on module backside
Box.
Described heterojunction solar photovoltaic module, wherein without printing main grid on solar battery sheet, directly with 5 low temperature
The electrode of metal conductive strips with cell piece is connected in series by curing conductive slurry respectively；Described interior adhesion coating is laid on battery respectively
Between sheet and front glass sheet, between cell piece and back-panel glass；Described front glass sheet is arranged on interior adhesion coating；The described back of the body
Glass sheet is arranged under interior adhesion coating；Described outer adhesion coating is arranged between front glass sheet and back-panel glass；Described rosette
It is arranged on module backside.
Described electrocondution slurry is low-temperature setting slurry, and solidification temperature is between 80 DEG C～180 DEG C, and resistivity is less than or equal to
3×10-3Ω cm, solidified forming width is 0.6mm～0.8mm.
Described metal conductive strips is copper metal base, Copper Foil conductivity >=98%IACs (International
Annealed Copper Standard), Copper base material surface seal coat, coating uses slicker solder bismuth alloy, slicker solder indium alloy, lead
One in sn-ag alloy and slicker solder bismuth silver these four alloy, the weight ratio of alloy coat and copper strip base material 0.1%～2% it
Between, alloy coat thickness be less than 45 μm, its fusing point is at 130～200 DEG C, and width is 0.6～0.8mm, thickness be 0.2～
0.8mm。
The type-setting mode of described heterojunction solar photovoltaic module is that 60 efficient heterojunction battery sheets are connected in series, often
Individual cell piece has 5 and is connected, by low-temperature cured conductive paste and metal conductive strips stack, the main gate line formed, in concatenation
Both positive and negative polarity end, is flowed to positive pole respectively by the bonding jumper 5 main gate line by the 5 of positive pole main gate line and negative pole of confluxing and bears
Pole, draws from the circular hole of back-panel glass, is connected with rearmounted rosette.
Described outer adhesion coating is butyl rubber, and vapor transmission rate is less than 0.03g/ (m2Day), insulation resistance value is more than
1010Ω cm, making width is 9.5～14.5mm, and thickness is 0.55～0.75mm.
Described upper interior adhesion coating is yellowing-resistant aging-resistant thermoplastics type's macromolecular material ethylene and acetate ethylene copolymer
(EVA:Ethylene Vinyl Acetate) crosslinks reaction through high-temperature fusion and forms, and is characterized in: the degree of cross linking is more than
80%, the cutoff wavelength of ultraviolet light is less than or equal to 380nm, at 380～1100nm its light transmittances of optical band more than 90%, thickness
Being 300～500 μm, body resistivity is more than 1014Ω cm, water vapor transmittance is less than 40g/ (m2·day)。
Described lower interior adhesion coating be aging resistance thermoplastics type's macromolecular material ethylene with acetate ethylene copolymer (EVA:
Ethylene Vinyl Acetate) crosslink reaction through high-temperature fusion and form, it is characterized in: the degree of cross linking is more than 80%,
410～1100nm optical band reflectance are more than 94%, and thickness is 300～500 μm, and body resistivity is more than 1014Ω cm, steam is saturating
Rate of crossing is less than 40g/ (m2·day)。
Described front glass sheet is matte ultrawhite safety glass, a length of 1655 ± 2mm, and width is 990 ± 2mm, thickness
Being 2.0～4.0mm, body resistivity is more than 1 × 1010Ω m, in 380～1100nm optical band penetrances more than 90.5%.
Described back-panel glass is safety glass, a length of 1655 ± 2mm, and width is 990 ± 2mm, thickness be 2.0～
4.0mm, body resistivity is more than 1 × 1010Ω·m；Glass tape circular hole, aperture is 10～25mm, and the center of circle of circular hole is from safety glass
The distance of a minor face be 15～25mm, the distance from a long limit of safety glass is 400～450mm.
Described rosette is arranged on the circular hole of back-panel glass, and the bonding jumper that confluxes passes circular hole and the wiring of back-panel glass
Box is connected；Silica gel is used to carry out box body encapsulation and stickup.Box body maximum electricity is pressure is: 1000V DC；Cable maximum electricity
Voltage endurance capability is: AC 600/1000V, DC 1800V；It is DC 1000V that diode can tolerate inverse peak voltage, just can bear
It is 30A to maximum current.
In heterojunction solar battery assembly in the present invention, heterojunction solar battery sheet by conduct electricity grid line connect, institute
Stating conduction grid line to be made up through twice solidification of low-temperature cured conductive paste and metal conductive strips, the temperature of twice solidification is the most not
More than 180 DEG C；Twice solidification is divided into precuring and is fully cured；Precuring is also referred to as in-situ solidifying or claims one-step solidification, i.e. at electricity
Pond sheet low temperature concatenate in advance after at once heating, make to be formed between low-temperature cured conductive paste and metal conductive strips and cell piece preliminary
In conjunction with, it is simple to subsequent operation, therefore the target area of its heating is in the junction of low-temperature cured conductive paste Yu metal conductive strips；Complete
All solidstate can claim secondary to solidify, and is to make to be formed between low-temperature cured conductive paste and metal conductive strips and cell piece to tie completely
Closing, low-temperature cured conductive paste forms conduction grid line with metal conductive strips after solidifying, be serially connected between cell piece, therefore secondary solidification
Time, whole cell piece string will be heated and make to fuse between metal conductive strips, low-temperature cured conductive paste and the electrode of cell piece.This
Invention utilizes low-temperature setting technique will to concatenate between cell piece, thus avoids the high temperature of traditional welding to hetero-junction solar cell sheet
The impact of performance, can keep the high conversion efficiency of hetero-junction solar cell sheet and make the yield rate of photovoltaic module.
The outstanding feature of the present invention is:
1, achieve and hetero-junction solar cell is fabricated to complete photovoltaic module；And this assembly has high environmental reliability
With excellent service life.
2, the type-setting mode of heterojunction solar photovoltaic module is that 60 efficient heterojunction battery sheets are connected in series, employing
It is low-temperature cured conductive paste and the main grid wire type concatenation of metal conductive strips stack connection composition, meets the low of high-efficiency battery
Temperature requirement, greatly reduces the battery power loss to assembly, improves the transformation efficiency of assembly.
3, compared with the agent structure of the header board glass mates plastic back plate of conventional crystalline silicon assembly, due to this hetero-junctions assembly
The outer adhesion coating of double glass agent structures collocation butyl rubber seals, and glass or butyl rubber all have outstanding obstruct moisture
Ability, excellent weatherability, this kind of encapsulating structure has been greatly improved the environment weatherability of product.Meanwhile, double glass is used to add
Adhesion coating structure in double EVA, i.e. front glass sheet is matte ultrawhite safety glass, and backboard is also adopted by safety glass, and double safety glass are multiple
Close structure and can improve the mechanical strength of assembly, improve shock resistance and comprcssive strength, greatly reduce cell piece percentage of damage.
4, the butyl rubber of employing two sides yellowing-resistant aging resistance TPO and high impedance high water resistant is as main body encapsulating material, i.e.
Use the blend polymer (TPO) of TPO and olefinic rubber composition as the encapsulating material of laminating face-to-face, make
With butyl rubber as rim seal glue as border area block water insulation encapsulating material, encapsulating structure is folded for centre more
Layer, surrounding parcel blocking type encapsulating structure so that sealing is good.
Accompanying drawing explanation
Fig. 1 represents the side sectional view of the heterojunction solar battery assembly that the present invention provides.
Fig. 2 represents the schematic rear view of the heterojunction solar battery assembly that the present invention provides.
Marginal data: 1 is front glass sheet, 2 is upper interior adhesion coating, and 3 is outer adhesion coating, and 4 is battery layers, and 5 is lower interior adhesion coating, and 6 are
Back-panel glass, 7 is rosette, and 8 is conduction main gate line, and arrow represents light direction.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
The present embodiment provides the heterojunction solar battery assembly of a kind of high transformation efficiency, the sectional structure of its side such as figure
Shown in 1, including front glass sheet 1, back-panel glass 6, intermediate layer between front glass sheet 1 and back-panel glass 6 and butyl rubber
The outer adhesion coating 3 made；Outer adhesion coating 3 is positioned at the surrounding in intermediate layer, and described intermediate layer includes heterojunction solar battery layer 4, is positioned at
Upper interior adhesion coating 2 between battery layers 4 and front glass sheet 1, lower between battery layers 4 and back-panel glass 6 in adhesion coating 5；Battery layers 4
Including some cell pieces with by the conduction grid line 8 of cell piece connection；Described heterojunction solar battery assembly also includes being positioned at the back of the body
The rosette 7 at glass sheet 6 back side, the bus that confluxes that rosette 7 is connected with conduction grid line 8.Adhesion coating 2 and lower interior adhesion coating in upper
The thickness of 5 is 400 μm, is made by TPO material；Set through hole in back-panel glass 6, the bus that confluxes by this through hole by rosette
7 are connected with conduction grid line 8.
The present embodiment also provides for the preparation method of the heterojunction solar battery assembly of this high transformation efficiency, its preparation technology
Specifically comprising the following steps that of flow process
(1) HJT (hetero-junctions) cell piece is carried out quality testing and screening；
(2) being coated with low-temperature cured conductive paste on the cell piece front and back screened successively, low-temperature cured conductive is starched
Material is low-temperature conductive silver paste, (consisting of of low-temperature conductive silver paste: argentum powder solid content 90-92%, firming agent and solvent 8-
10%, solidification temperature is 140 DEG C, and resistivity is 2 × 10-3Ω cm), the silver slurry lines number of every topcoating cloth is 10, coating
Mode is that glue told by syringe needle；
(3) being laid on by the TPO with metal conductive strips on the HJT cell piece of silver coating slurry, a termination cell piece is just
Pole, the negative pole of the cell piece of another termination and its drop-over, metal conductive strips forms a composite construction with low-temperature silver slurry heap poststack
Cell piece is together in series；Battery strings is carried out in situ under 90 degrees Centigrade environment by the process environments temperature of series cells
Solidification (solidification i.e. for the first time), hardening time is 50 seconds.
(4) while carrying out step (3), it is carried out front glass sheet drying and impurity dirty with removal surface；Will
The TPO cut is laid on front glass sheet.
(5) the cell piece string completing step (3) has been placed on the TPO of step (4)；Complete battery strings and header board glass
Glass, the stacking of upper interior adhesion coating.
(6) surrounding at front glass sheet is coated with rim seal glue.
(7) being laid in by the TPO cut on the cell piece string completed, as lower interior adhesion coating, in this, adhesion coating TPO is in correspondence
Perforate at back-panel glass perforation is so that the welding rod that confluxes can pass；Cover cleaned back-panel glass again.To step (7), by front
Glass sheet, upper interior adhesion coating, cell piece string, lower interior adhesion coating, rim seal glue and the photovoltaic module material of main part of back-panel glass composition
Complete stacking.
(8) the assembly semi-finished product that will complete step (7) send into lamination, use the method heating, pressurizeing under vacuum environment, complete
Become the reacting to each other of assembly material of main part, structure composite, complete the secondary solidification of battery strings, solidification temperature 130～180 simultaneously
DEG C, the time is 5～15 minutes.Rim seal glue completes the encapsulation of assembly border area in this step.
(9) rosette is arranged in back-panel glass；The box nipple of rosette and the welding rod that confluxes through back-panel glass
Dock respectively and weld.Silica gel butted line box is used to seal with the region of glass contact.
(10) silica gel butted line box tray interior is used to be irrigated, with seal box nipple, covering connector cover.
(11) heterojunction solar battery assembly is carried out electrical insulation capability test, visual examination cleaning, to its output work
Rate is demarcated.
In above-mentioned steps, metal conductive strips is copper metal base, and Copper base material surface seal coat uses lead, stannum, bismuth alloy,
Alloy proportion 50Bi/28Sn/22Pb, alloy eutectic temperature 100 DEG C, metal conductive strips width is 0.8mm, and thickness is 0.2mm.
The average light photoelectric transformation efficiency of heterojunction photovoltaic assembly prepared by above-mentioned technique is 18.2%, the mean power of assembly
296W, yield rate is 95%, and simulation test records this battery delivery efficiency after 25 years and is maintained at more than 80%.
Claims (10)
1. the heterojunction solar battery assembly of a high transformation efficiency, it is characterised in that include front glass sheet (1), backboard glass
Glass (6), the intermediate layer being positioned between front glass sheet (1) and back-panel glass (6) and outer adhesion coating (3)；Outer adhesion coating (3) is positioned at intermediate layer
Surrounding, described intermediate layer include heterojunction solar battery layer (4), be positioned between battery layers (4) and front glass sheet (1) upper
Interior adhesion coating (2), it is positioned between battery layers (4) and back-panel glass (6) lower adhesion coating (5)；Battery layers (4) include some cell pieces and
The conduction grid line (8) that cell piece is connected；Described heterojunction solar battery assembly also includes being positioned at back-panel glass (6) back side
Rosette (7), the bus that confluxes that rosette (7) is connected with conduction grid line (8).
2. heterojunction solar battery assembly as claimed in claim 1, it is characterised in that described conduction grid line (8) includes gold
Belonging to bus, metal conductive strips includes Copper base material and the alloy coat of coated copper base material, and the thickness of alloy coat is less than 45 μm.
3. heterojunction solar battery assembly as claimed in claim 2, it is characterised in that described alloy coat is selected from slicker solder bismuth
One in alloy, slicker solder indium alloy, slicker solder silver alloy and slicker solder bismuth silver alloy.
4. heterojunction solar battery assembly as claimed in claim 1, it is characterised in that described outer adhesion coating (3) is butyl rubber
Glue.
5. heterojunction solar battery assembly as claimed in claim 4, it is characterised in that the water vapour of described butyl rubber passes
Defeated speed is less than 0.03g/ (m2Day), insulation resistance value is more than 1010Ω·cm。
6. heterojunction solar battery assembly as claimed in claim 1, it is characterised in that described interior adhesion coating (2) and lower interior
The thickness of adhesion coating (5) is 300 ~ 500 μm.
7. heterojunction solar battery assembly as claimed in claim 1, it is characterised in that described interior adhesion coating (2) is TPO,
The body resistivity of described TPO is more than 1015Ω cm, water vapor transmittance is less than 4g/ (m2·day)。
8. heterojunction solar battery assembly as claimed in claim 1, it is characterised in that described lower interior adhesion coating (5) is TPO,
The body resistivity of described TPO is more than 1015Ω cm, water vapor transmittance is less than 4g/ (m2·day)。
9. heterojunction solar battery assembly as claimed in claim 1, it is characterised in that back-panel glass sets through hole on (6), converges
Rosette (7) is connected with conduction grid line (8) by stream bus by this through hole.
10. heterojunction solar battery assembly as claimed in claim 1, it is characterised in that described cell piece is that crystal silicon/silicon is thin
Film heterojunction solar battery sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620609442.0U CN205863185U (en) | 2016-06-21 | 2016-06-21 | A kind of heterojunction solar battery assembly of high transformation efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620609442.0U CN205863185U (en) | 2016-06-21 | 2016-06-21 | A kind of heterojunction solar battery assembly of high transformation efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205863185U true CN205863185U (en) | 2017-01-04 |
Family
ID=57636942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620609442.0U Active CN205863185U (en) | 2016-06-21 | 2016-06-21 | A kind of heterojunction solar battery assembly of high transformation efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205863185U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068742A (en) * | 2021-11-01 | 2022-02-18 | 浙江爱旭太阳能科技有限公司 | Preparation method of solar cell module, solar cell module and photovoltaic system |
| CN115000221A (en) * | 2022-07-15 | 2022-09-02 | 保定易通光伏科技股份有限公司 | Low-temperature laminated battery assembly and preparation method and application thereof |
-
2016
- 2016-06-21 CN CN201620609442.0U patent/CN205863185U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068742A (en) * | 2021-11-01 | 2022-02-18 | 浙江爱旭太阳能科技有限公司 | Preparation method of solar cell module, solar cell module and photovoltaic system |
| CN115000221A (en) * | 2022-07-15 | 2022-09-02 | 保定易通光伏科技股份有限公司 | Low-temperature laminated battery assembly and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104282788B (en) | Main-grid-free high-efficiency back contact solar cell module, main-grid-free high-efficiency back contact solar cell assembly and manufacturing technology of main-grid-free high-efficiency back contact solar cell assembly | |
| CN106206818B (en) | Solar battery cell, solar cell module and preparation method thereof | |
| JP5484663B2 (en) | Manufacturing method of solar cell module | |
| JP2015164200A (en) | improved photovoltaic cell assembly | |
| US10381493B2 (en) | Solar cell unit, solar cell array, solar cell module and manufacturing method thereof | |
| WO2011001883A1 (en) | Wiring sheet, solar cell with wiring sheet, solar cell module and wiring sheet roll | |
| CN104269462B (en) | Back contact solar cell back sheet without main grids, back contact solar cell assembly without main grids and manufacturing technology | |
| WO2022247057A1 (en) | Back-contact solar cell string and preparation method therefor, and assembly and system | |
| CN102254975A (en) | Flexible thin film solar cell and packaging method thereof | |
| JP2017537469A (en) | Solar cell module and manufacturing method thereof | |
| JP2014531775A (en) | Photovoltaic cell interconnection | |
| CN104269454B (en) | High-efficiency back contact solar cell back sheet without main grids, high-efficiency back contact solar cell assembly without main grids and manufacturing technology | |
| CN115763603A (en) | Photovoltaic module | |
| CN205863185U (en) | A kind of heterojunction solar battery assembly of high transformation efficiency | |
| CN214898458U (en) | Back contact solar cell string, assembly and system | |
| CN204204882U (en) | Without main grid high efficiency back contact solar cell assembly | |
| CN204204885U (en) | Without main grid high efficiency back contact solar cell backboard | |
| CN104319301A (en) | Main gate-free, high-efficiency and back-contact solar battery backplane, assembly and preparation process | |
| CN109390428A (en) | Solar photoelectric module | |
| CN204230264U (en) | Without main grid high efficiency back contact solar cell backboard and assembly | |
| CN207038538U (en) | The conductive integrated backboard of back-contact and photovoltaic module for photovoltaic module | |
| CN115763602A (en) | Photovoltaic module | |
| CN104347746A (en) | Main-grid-free high-efficiency back contact solar battery module, main-grid-free high-efficiency back contact solar battery assembly and preparation process | |
| CN204088344U (en) | Without main grid high efficiency back contact solar cell module and assembly | |
| CN204088340U (en) | Without main grid high efficiency back contact solar cell backboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |