CN102709337A - Back-contact solar cell, solar module using back-contact solar cell and production method of solar module - Google Patents
Back-contact solar cell, solar module using back-contact solar cell and production method of solar module Download PDFInfo
- Publication number
- CN102709337A CN102709337A CN2012101286543A CN201210128654A CN102709337A CN 102709337 A CN102709337 A CN 102709337A CN 2012101286543 A CN2012101286543 A CN 2012101286543A CN 201210128654 A CN201210128654 A CN 201210128654A CN 102709337 A CN102709337 A CN 102709337A
- Authority
- CN
- China
- Prior art keywords
- row
- electrode
- sheet
- battery sheet
- solar cell
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000004020 conductor Substances 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000007796 conventional method Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 230000005684 electric field Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000001465 metallisation Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H01L31/022441—Electrode arrangements specially adapted for back-contact solar cells
- H01L31/02245—Electrode arrangements specially adapted for back-contact solar cells for metallisation wrap-through [MWT] type solar cells
-
- 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
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (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)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a back-contact solar cell. One side of the back-contact solar cell is provided with first electrodes and second electrodes. The first electrodes and the second electrodes have opposite polarity. The first electrodes are disposed in parallel and form at least two first electrode rows which are parallel to a center axis of the back-contact solar cell. The second electrodes are disposed in parallel and form second electrode rows as many as the first electrode rows. Any one of the first electrode rows and one of the second electrode rows are axially symmetric about the center axis of the back-contact solar cell, and the first electrode rows and the second electrode rows are in one-to-one correspondence. The novel back-contact solar cells can be interconnected through linear conductive parts, bus parts for interconnecting the traditional back-contact solar cells can be omitted, and accordingly welding labor is reduced greatly. In addition, the conductive parts are omitted, electrical performance of the interconnected cell strings is improved, and evident effect is achieved.
Description
Technical field
The present invention relates to a kind of back contact solar cell sheet, use solar components of battery sheet and preparation method thereof, belong to the solar cell field.
Background technology
Conventional fossil fuel is approach exhaustion day by day, and in existing sustainable energy, solar energy is undoubtedly a kind of cleaning, general and the most potential alternative energy source.At present; In all solar cells; Crystal silicon solar energy battery is one of solar cell that obtains business promotion on a large scale; This is that silicon solar cell is compared the solar cell of other types simultaneously because silicon materials have very abundant reserves in the earth's crust, and excellent electric property and mechanical performance are arranged.Therefore, crystal-silicon solar cell in the photovoltaic field in occupation of consequence.High efficiency is the development trend of present crystal-silicon solar cell; Through improving the passivation on surface-texturing, selective emitter junction, front surface and back of the body surface; Laser buries the transformation efficiency that technology such as grid improve solar cell; But because it needs special devices and complicated technological process, industrialization process is restricted.
At present, back of the body contact solar cell (MWT solar cell) has received everybody extensive concern, and its advantage is: because its front does not have the main grid line; Positive pole and negative pole have reduced the shading of battery sheet all at the back side of battery sheet, have improved the conversion efficiency of battery sheet; Simultaneously because positive pole and negative pole all at the back side of battery sheet, when making solar components, can reduce the shading influence of welding to the battery sheet; Simultaneously, adopt new packaged type can reduce the series resistance of battery sheet, reduce the power loss of battery sheet; Thereby back of the body contact solar cell more and more receives the concern of industry and progressively begins the application of industry.
At present, the mutual contact mode between the back contact solar cell sheet mainly contains two kinds: the one, and the conducting film that required precision is higher, the 2nd, lower-cost traditional welding.Wherein, conducting film requires very high to service precision, and cost is higher, becomes in the product also not by extensive employing in a large amount of industry.Therefore, traditional welding connection remains main connected mode.Existing welding connected mode generally is the finger-like welding; Referring to (the battery sheet is referring to shown in Figure 3) shown in the accompanying drawing 4; When the battery sheet was interconnected, electric-conductor 10 was connected with the front electrode (or backplate) of adjacent cell sheet the backplate 31 (or front electrode 21) of battery sheet through welding 8 through confluxing; Be electric current through the electric-conductor that confluxes with the conducting of broken line mode.
Yet the welding of above-mentioned connected mode is loaded down with trivial details, and river outlet can influence the currents match of battery when interconnected and compile, so that influences electrical property.When interconnected one-tenth assembly, because conflux electric-conductor, increased cost, workload and Operating Complexity, and electric current can not smooth and easy conducting, electrical property is had certain influence, and be unfavorable for automated production.
Summary of the invention
The object of the invention provides a kind of back contact solar cell sheet, uses solar components of battery sheet and preparation method thereof.
For achieving the above object, the technical scheme that the present invention adopts is: a kind of back contact solar cell sheet, the one side of battery sheet are provided with first electrode and second electrode, and the polarity of first electrode and second electrode is opposite;
Said first electrode is set up in parallel, and forms at least 2 row first electrodes series, the central axes of first electrodes series and battery sheet;
Said second electrode is set up in parallel, and forms second electrodes series identical with the first electrodes series quantity;
In the arbitrary row in said first electrodes series and second electrodes series one row constitute axial symmetry through the central shaft of battery sheet, and first electrodes series and second electrode are classified counter structure one by one as.
In the preceding text, the polarity of first electrode and second electrode is opposite, and promptly when first electrode was positive electrode, second electrode was a negative electrode; Vice versa; One of them electrode is through the front electrode conducting of through hole and battery sheet, and the promptly conventional back of the body contacts the battery chip architecture.
Back contact solar cell sheet of the present invention can be metal piercing formula (Metallization Wrap Through; MWT) back of the body contact solar cell piece; Also can be metal circulating type (Metallization Wrap Around; MWA) back of the body contact solar cell piece, or emitter-base bandgap grading penetration (Emitter Wrap Through, EWT) back of the body contact solar cell piece.
In the technique scheme, the arbitrary row in said first electrodes series comprise at least 2 electrodes.Certainly, the number of electrodes of each row can be identical or different.
The present invention asks for protection a kind of preparation method of solar components; Use above-mentioned back contact solar cell sheet; When battery sheet and adjacent cell sheet are interconnected; Is benchmark Rotate 180 degree with the adjacent cell sheet with its central point, and first electrodes series with the battery sheet is connected through linear electric-conductor with second electrodes series of adjacent cell sheet then; First electrodes series of adjacent cell sheet is connected through linear electric-conductor with second electrodes series of following a slice battery sheet, by that analogy, processes solar components with conventional method again.
Said electric-conductor is the conducting metal of strip, can realize well electrically connecting with solar cel electrode material such as silver.
Said battery sheet central point is meant the central point of its rectangle, is positioned on its central shaft.
The present invention asks for protection the solar components for preparing according to above-mentioned preparation method simultaneously.
Corresponding with it another kind of technical scheme, a kind of back contact solar cell sheet, the back side of battery sheet is provided with through hole, backplate, is provided with electrocondution slurry in the through hole, and front electrode is guided to the back side;
Said backplate is set up in parallel, and forms at least 2 row backplates row, the central axes of backplate row and battery sheet;
Said front electrode is set up in parallel, and forms the front electrode row identical with the backplate number of columns; The back side of said battery sheet is provided with connection electrode, and connection electrode is positioned at the same side of through hole, and the one of which end is electrically connected other end formation weld zone, each formation weld zone, weld zone row with the front electrode of through hole;
Arbitrary row in the said backplate row and the row in the weld zone row constitute axial symmetry through the central shaft of battery sheet, and the backplate row are classified counter structure one by one as with the weld zone.
The present invention asks for protection a kind of preparation method of solar components; Use above-mentioned back contact solar cell sheet; When battery sheet and adjacent cell sheet are interconnected; Is benchmark Rotate 180 degree with the adjacent cell sheet with its central point, and the backplate row with the battery sheet are connected through linear electric-conductor with the weld zone row of adjacent cell sheet then; The backplate row of adjacent cell sheet are connected through linear electric-conductor with the weld zone row of following a slice battery sheet, by that analogy, process solar components with conventional method again.
The present invention asks for protection the solar components for preparing according to above-mentioned preparation method simultaneously.
Need to prove: the back side at the battery sheet is provided with connection electrode, and the quantity of the connection electrode preferably quantity with through hole is identical; Can certainly be different, at this moment, the front electrode row are also deposited with the weld zone row, but it is arranged and still need satisfy and backplate formation axially symmetric structure.
Because the technique scheme utilization, the present invention compared with prior art has advantage:
1. the present invention has developed a kind of new back contact solar cell sheet; It can directly adopt the linear pattern electric-conductor to connect in the interconnected process of battery sheet and get final product; The part that confluxes when can be with traditional back of the body contact battery interconnected omits; Not only significantly reduced the welding job amount, and, obtained significant effect owing to saving the electrical property that electric-conductor has improved interconnected back battery strings.
2. the present invention arranges through comparatively simple electrode and mutual contact mode guarantees that back contact solar cell uses smoothly in solar energy industry, and easy to make when interconnected, cost reduces, and electrical property promotes, and has active operation significance.
3. the present invention can replace the conducting film mutual contact mode that cost is higher, control complicacy, the application of the automatic welding machine in convenient future.
Description of drawings
Fig. 1 is the structural representation of back contact solar cell sheet in the embodiment of the invention one;
Fig. 2 is the interconnected structural representation of battery sheet in the embodiment of the invention one;
Fig. 3 is the structural representation of the back contact solar cell sheet in the background technology;
Fig. 4 is the interconnected structural representation of battery sheet in the background technology;
Fig. 5 is the structural representation of back contact solar cell sheet in the embodiment of the invention two;
Fig. 6 is the interconnected structural representation of battery sheet in the embodiment of the invention two.
Wherein, 1, battery sheet; 2, first electrode; 3, second electrode; 4, insulating regions; 5, back of the body electric field; 6, insulating barrier; 7, through hole; 8, welding; 9, axis; 10, the electric-conductor that confluxes; 11, weld zone; 21, front electrode; 31, backplate; 41, connection electrode.
Embodiment
Below in conjunction with embodiment the present invention is further described:
Embodiment one
Shown in Fig. 1 ~ 2, solar cell absorbs luminous energy, and luminous energy is converted into electric energy output, usually with encapsulating and arrange by square formation the area battery assembly that forms after some solar cell pieces series connection.
Structure for the technological battery sheet 1 of employing metal piercing (MWT) shown in Figure 1.For the MWT solar cell, the front of battery (not shown) is provided with some centrosymmetric two kinds of metal grid lines (not shown) that are arranged in parallel or exist with unit form usually, receive the irradiation of light after, collect the photogenerated current that produces.With P type silicon base solar cell is example; The back side of battery is provided with second electrode 3 (being positive electrode) and first electrode 2 (being negative electrode); Because the back side of battery can be through the printing aluminum slurry to form back of the body electric field 5, so negative electrode need form insulation with back of the body electric field through certain mode and positive electrode.Shown in accompanying drawing 1, around negative electrode, also be formed with insulating regions 4, prevent that negative electrode and on every side the back of the body electric field from electrically conducting; This insulating regions can form through laser ablation, also can form through other modes.Negative electrode is connected through the through hole (not shown) that runs through battery with the metal grid lines that is positioned at the front; This through hole can obtain through the laser drill technology; And be formed with the coat of metal at through-hole inner surface; The positive metal grid lines and the negative electrode at the back side are electrically conducted, thereby, the photogenerated current that metal grid lines is collected is transferred to negative electrode.
Shown in accompanying drawing 1, the back side of battery is provided with staggered 3 row, second electrodes series and 3 row, first electrodes series, and wherein, every row second electrodes series comprises 4 second electrodes, and every row first electrodes series comprises 3 first electrodes; The rectangular shape of these electrode terminals, and the back side that protrudes from battery is provided with.Certainly, what those skilled in the art can expect easily is, in other embodiments, and the shape of electrode, number, and all visual different design requirement of arrangement mode and changing.
According to of the presently claimed invention; Each distance that ranked second electrode distance axis 9 equals its corresponding another and ranked first electrode to the distance of axis (distance that marks like arrow among the figure), and welding and another welding of arranging negative electrode that is connected its coupling of positive electrode that promptly connects this row is about battery axis axial symmetry.
For preventing that the welding 8 that connects negative electrode is short-circuited with back of the body electric field, need be provided with the insulating barrier 6 slightly wideer than welding between welding and back of the body electric field.
With reference to accompanying drawing 2, battery sheet shown in the accompanying drawing 1 is interconnected according to method of the present invention, wherein descend a slice battery need be when connecting, and guarantee that the axis of upper and lower two battery sheets remains on the same straight line along its central point Rotate 180 °.On last a slice battery, every row's positive electrode connects through welding, then with again above the negative pole of battery (not shown) link to each other, every row's negative electrode passes through welding and is connected with the anodal straight line of following a slice battery.By that analogy, the positive electrode of every battery sheet is connected with positive electrode with the negative electrode of adjacent two batteries respectively with negative electrode, thereby all battery sheets series connection are formed assembly.Because paired positive electrode and negative electrode are about the axis symmetry; A slice rotation back institute wherein a slice positive electrode that will connect and another sheet negative electrode are just in time on same straight line therein for adjacent two batteries, and best connected mode is with the welding than length that both are interconnected.
Embodiment two
In embodiment one, a kind of basic distribution of electrodes of the present invention and mutual contact mode have been showed.But because this distribution, the front electrode that links to each other with through hole can not be uniformly distributed in the entire cell back side, thereby causes the grid line of front collected current can not electric current evenly be come together in the through hole of non-uniform Distribution.In the present embodiment, the distribution of electrodes of showing a kind of optimization is used mutual contact mode of the present invention.For explaining more clearly, in accompanying drawing 5 and accompanying drawing 6 outstanding and enlarged and displayed through hole 7, and in accompanying drawing 6, concealed insulating barrier.
Through hole 7 is uniformly distributed in entire cell sheet 1 surface, and the front gate line structure (not shown) that is similar to the symmetry of tradition back of the body contact battery is able to keep.At cell backside; Connection electrode 41 1 ends cover through hole; Other end conduct extends out with the independent weld zone of electric-conductor; The backplate that is positioned at second half battery 31 that matches is arranged on the straight line of weld zone 11 about axis 9 symmetries, and promptly first weld zone equates apart from axis and air line distance axis, second electrode place 9.
Then according to mutual contact mode of the present invention, that the backplate of the weld zone of the front electrode of a slice battery sheet and postrotational adjacent cell is interconnected through electric-conductor (like welding 8) straight line.
Embodiment two is the further optimization of embodiment one; Both continued the interconnected advantage of straight line; Guaranteed the collection of positive surface current and the derivation of back side electric current again, the improvement of size, shape and position through electrode can further improve the solar components electrical property that is made.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and under the situation that does not deviate from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore; No matter from which point; All should regard embodiment as exemplary; And be nonrestrictive, scope of the present invention is limited accompanying claims rather than above-mentioned explanation, therefore is intended to the implication of the equivalents that drops on claim and all changes in the scope are included in the present invention.Should any Reference numeral in the claim be regarded as limit related claim.
In addition; Describing according to execution mode though should be appreciated that this specification, is not that each execution mode only comprises an independently technical scheme; This narrating mode of specification only is for clarity sake; Those skilled in the art should make specification as a whole, and the technical scheme among each embodiment also can form other execution modes that it will be appreciated by those skilled in the art that through appropriate combination.
Claims (7)
1. back contact solar cell sheet, the one side of battery sheet is provided with first electrode and second electrode, and the polarity of first electrode and second electrode is opposite; It is characterized in that:
Said first electrode is set up in parallel, and forms at least 2 row first electrodes series, the central axes of first electrodes series and battery sheet;
Said second electrode is set up in parallel, and forms second electrodes series identical with the first electrodes series quantity;
In the arbitrary row in said first electrodes series and second electrodes series one row constitute axial symmetry through the central shaft of battery sheet, and first electrodes series and second electrode are classified counter structure one by one as.
2. back contact solar cell sheet according to claim 1 is characterized in that: the arbitrary row in said first electrodes series comprise at least 2 electrodes.
3. the preparation method of a solar components; Use the described back contact solar cell sheet of claim 1; It is characterized in that: when battery sheet and adjacent cell sheet are interconnected; Is benchmark Rotate 180 degree with the adjacent cell sheet with its central point, and first electrodes series with the battery sheet is connected through linear electric-conductor with second electrodes series of adjacent cell sheet then; First electrodes series of adjacent cell sheet is connected through linear electric-conductor with second electrodes series of following a slice battery sheet, by that analogy, processes solar components with conventional method again.
4. the solar components that preparation method according to claim 3 prepares.
5. back contact solar cell sheet, the back side of battery sheet is provided with through hole, backplate, is provided with electrocondution slurry in the through hole, and front electrode is guided to the back side; It is characterized in that:
Said backplate is set up in parallel, and forms at least 2 row backplates row, the central axes of backplate row and battery sheet;
Said front electrode is set up in parallel, and forms the front electrode row identical with the backplate number of columns; The back side of said battery sheet is provided with connection electrode, and connection electrode is positioned at the same side of through hole, and the one of which end is electrically connected other end formation weld zone, each formation weld zone, weld zone row with the front electrode of through hole;
Arbitrary row in the said backplate row and the row in the weld zone row constitute axial symmetry through the central shaft of battery sheet, and the backplate row are classified counter structure one by one as with the weld zone.
6. the preparation method of a solar components; Use the described back contact solar cell sheet of claim 5; It is characterized in that: when battery sheet and adjacent cell sheet are interconnected; Is benchmark Rotate 180 degree with the adjacent cell sheet with its central point, and the backplate row with the battery sheet are connected through linear electric-conductor with the weld zone row of adjacent cell sheet then; The backplate row of adjacent cell sheet are connected through linear electric-conductor with the weld zone row of following a slice battery sheet, by that analogy, process solar components with conventional method again.
7. the solar components that preparation method according to claim 6 prepares.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101286543A CN102709337A (en) | 2012-04-27 | 2012-04-27 | Back-contact solar cell, solar module using back-contact solar cell and production method of solar module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101286543A CN102709337A (en) | 2012-04-27 | 2012-04-27 | Back-contact solar cell, solar module using back-contact solar cell and production method of solar module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102709337A true CN102709337A (en) | 2012-10-03 |
Family
ID=46901984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101286543A Pending CN102709337A (en) | 2012-04-27 | 2012-04-27 | Back-contact solar cell, solar module using back-contact solar cell and production method of solar module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102709337A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367470A (en) * | 2013-07-08 | 2013-10-23 | 浙江晶科能源有限公司 | Directly welded metal wrap trough (MWT) battery back structure |
| WO2016045227A1 (en) * | 2014-09-28 | 2016-03-31 | 苏州中来光伏新材股份有限公司 | Main-gate-free and high-efficiency back contact solar cell module, assembly and preparation process |
| CN106876486A (en) * | 2017-03-24 | 2017-06-20 | 乐叶光伏科技有限公司 | The group string attachment structure of P-type crystal silicon back contacts double-side cell, component and method |
| CN107195696A (en) * | 2017-05-10 | 2017-09-22 | 晶澳（扬州）太阳能科技有限公司 | A kind of MWT solar battery sheets and the MWT solar cell modules being made using it |
| CN107863396A (en) * | 2017-11-02 | 2018-03-30 | 南京日托光伏科技股份有限公司 | A kind of back-contact solar module and preparation method |
| CN108010970A (en) * | 2017-11-17 | 2018-05-08 | 南通苏民新能源科技有限公司 | A kind of interdigital back contacts crystalline silicon solar battery electrode and preparation method thereof |
| CN108027170A (en) * | 2015-07-29 | 2018-05-11 | 博立多媒体控股有限公司 | Closed helioplant and system |
| WO2018152659A1 (en) * | 2017-02-24 | 2018-08-30 | 泰州中来光电科技有限公司 | Back-contact solar cell string and preparation method therefor, module and system |
| CN108767043A (en) * | 2018-04-26 | 2018-11-06 | 徐州日托光伏科技有限公司 | A kind of welding method of back contact solar cell component |
| CN109713074A (en) * | 2018-12-27 | 2019-05-03 | 浙江晶科能源有限公司 | A kind of battery strings based on IBC battery |
| CN110047962A (en) * | 2019-04-11 | 2019-07-23 | 晶澳（扬州）太阳能科技有限公司 | MWT solar battery sheet, battery strings, battery component and preparation method |
| CN111668322A (en) * | 2019-03-05 | 2020-09-15 | 泰州隆基乐叶光伏科技有限公司 | Back contact solar cell conductive composite plate and preparation method thereof |
| CN111668330A (en) * | 2019-03-05 | 2020-09-15 | 泰州隆基乐叶光伏科技有限公司 | Double-sided back contact solar cell module |
| TWI732085B (en) * | 2013-06-28 | 2021-07-01 | 美商太陽電子公司 | Photovoltaic laminate |
| CN117276378A (en) * | 2023-09-19 | 2023-12-22 | 隆基绿能科技股份有限公司 | Solar cell array |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009130116A (en) * | 2007-11-22 | 2009-06-11 | Sharp Corp | Inter-element wiring member, photoelectric conversion element, photoelectric conversion element connector using these, and photoelectric conversion module |
| US20110057283A1 (en) * | 2007-08-31 | 2011-03-10 | Akiko Tsunemi | Photoelectric conversion element, photoelectric conversion element assembly and photoelectric conversion module |
| US20120040487A1 (en) * | 2010-08-11 | 2012-02-16 | Crystal Solar, Inc. | Mwt architecture for thin si solar cells |
-
2012
- 2012-04-27 CN CN2012101286543A patent/CN102709337A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110057283A1 (en) * | 2007-08-31 | 2011-03-10 | Akiko Tsunemi | Photoelectric conversion element, photoelectric conversion element assembly and photoelectric conversion module |
| JP2009130116A (en) * | 2007-11-22 | 2009-06-11 | Sharp Corp | Inter-element wiring member, photoelectric conversion element, photoelectric conversion element connector using these, and photoelectric conversion module |
| US20120040487A1 (en) * | 2010-08-11 | 2012-02-16 | Crystal Solar, Inc. | Mwt architecture for thin si solar cells |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI732085B (en) * | 2013-06-28 | 2021-07-01 | 美商太陽電子公司 | Photovoltaic laminate |
| CN103367470A (en) * | 2013-07-08 | 2013-10-23 | 浙江晶科能源有限公司 | Directly welded metal wrap trough (MWT) battery back structure |
| US10593822B2 (en) | 2014-09-28 | 2020-03-17 | Jolywood (Suzhou) Sunwatt Co., Ltd. | Main-gate-free and high-efficiency back-contact solar cell module, main-gate-free and high-efficiency back-contact solar cell assembly, and preparation process thereof |
| WO2016045227A1 (en) * | 2014-09-28 | 2016-03-31 | 苏州中来光伏新材股份有限公司 | Main-gate-free and high-efficiency back contact solar cell module, assembly and preparation process |
| CN108027170A (en) * | 2015-07-29 | 2018-05-11 | 博立多媒体控股有限公司 | Closed helioplant and system |
| WO2018152659A1 (en) * | 2017-02-24 | 2018-08-30 | 泰州中来光电科技有限公司 | Back-contact solar cell string and preparation method therefor, module and system |
| CN106876486A (en) * | 2017-03-24 | 2017-06-20 | 乐叶光伏科技有限公司 | The group string attachment structure of P-type crystal silicon back contacts double-side cell, component and method |
| CN106876486B (en) * | 2017-03-24 | 2018-11-09 | 浙江隆基乐叶光伏科技有限公司 | String formation connection structure, component and the method for P-type crystal silicon back contacts double-side cell |
| CN107195696A (en) * | 2017-05-10 | 2017-09-22 | 晶澳（扬州）太阳能科技有限公司 | A kind of MWT solar battery sheets and the MWT solar cell modules being made using it |
| CN107195696B (en) * | 2017-05-10 | 2024-09-13 | 晶澳（扬州）太阳能科技有限公司 | MWT solar cell piece and MWT solar cell module manufactured by using same |
| CN107863396A (en) * | 2017-11-02 | 2018-03-30 | 南京日托光伏科技股份有限公司 | A kind of back-contact solar module and preparation method |
| CN108010970A (en) * | 2017-11-17 | 2018-05-08 | 南通苏民新能源科技有限公司 | A kind of interdigital back contacts crystalline silicon solar battery electrode and preparation method thereof |
| CN108767043A (en) * | 2018-04-26 | 2018-11-06 | 徐州日托光伏科技有限公司 | A kind of welding method of back contact solar cell component |
| CN109713074A (en) * | 2018-12-27 | 2019-05-03 | 浙江晶科能源有限公司 | A kind of battery strings based on IBC battery |
| CN111668322A (en) * | 2019-03-05 | 2020-09-15 | 泰州隆基乐叶光伏科技有限公司 | Back contact solar cell conductive composite plate and preparation method thereof |
| CN111668330A (en) * | 2019-03-05 | 2020-09-15 | 泰州隆基乐叶光伏科技有限公司 | Double-sided back contact solar cell module |
| CN110047962A (en) * | 2019-04-11 | 2019-07-23 | 晶澳（扬州）太阳能科技有限公司 | MWT solar battery sheet, battery strings, battery component and preparation method |
| CN117276378A (en) * | 2023-09-19 | 2023-12-22 | 隆基绿能科技股份有限公司 | Solar cell array |
| CN117276378B (en) * | 2023-09-19 | 2024-04-30 | 隆基绿能科技股份有限公司 | Solar cell array and splicing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102709337A (en) | Back-contact solar cell, solar module using back-contact solar cell and production method of solar module | |
| JP3184983U (en) | Back contact solar cell module | |
| CN202423319U (en) | Solar battery assembly | |
| CN104576778A (en) | Main-grid-free efficient back-contact solar battery and assembly and manufacturing technology thereof | |
| CN102610668A (en) | Improved electrode structure of solar cell | |
| CN104253169A (en) | Main-grid-free high-efficiency back contact solar battery module, assembly and preparing process | |
| CN204348742U (en) | Without main grid high efficiency back contact solar cell and assembly thereof | |
| CN104835874A (en) | Production method of half-cell photovoltaic assembly | |
| CN203055952U (en) | Novel solar photovoltaic module | |
| CN105374897A (en) | Solar cell module and manufacture method thereof | |
| CN204204882U (en) | Without main grid high efficiency back contact solar cell assembly | |
| CN204204885U (en) | Without main grid high efficiency back contact solar cell backboard | |
| CN201796897U (en) | Front contact structure of crystalline silicon solar cell | |
| CN107863396A (en) | A kind of back-contact solar module and preparation method | |
| CN202712197U (en) | Back contact solar module | |
| CN105633178A (en) | Back contact process battery sheet and manufacturing method thereof | |
| CN202712196U (en) | Back electrode structure of N type back-contact bifacial solar cell | |
| CN107146822B (en) | Solar cell capable of being connected at will without broken grid | |
| CN203179903U (en) | Solar energy cell front side electrode structure, cell sheet and assembly | |
| CN202616241U (en) | Positive electrode structure of crystalline silicon solar battery | |
| CN104319297A (en) | Solar battery piece | |
| CN214068739U (en) | Laminated photovoltaic module with directly parallel-connected battery strings | |
| CN204088340U (en) | Without main grid high efficiency back contact solar cell backboard | |
| CN204144285U (en) | Without main grid high efficiency back contact solar cell module and assembly | |
| CN206628475U (en) | The back electrode structure and battery of p-type PERC double-sided solar batteries |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121003 |