CN105489675A - Novel photovoltaic cell module and manufacturing method for same - Google Patents
Novel photovoltaic cell module and manufacturing method for same Download PDFInfo
- Publication number
- CN105489675A CN105489675A CN201410478784.9A CN201410478784A CN105489675A CN 105489675 A CN105489675 A CN 105489675A CN 201410478784 A CN201410478784 A CN 201410478784A CN 105489675 A CN105489675 A CN 105489675A
- Authority
- CN
- China
- Prior art keywords
- cell piece
- cell
- reticulated
- conductive silk
- reticulated conductive
- 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
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
-
- 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
Landscapes
- Hybrid Cells (AREA)
Abstract
The invention discloses a novel photovoltaic cell module and a manufacturing method for the same. A piece of glass, EVA, a cell sheet layer, EVA and a backboard are successively disposed on the photovoltaic cell module from top to bottom. The cell sheet layer is formed by the following manner of: arranging net conductive wires on a front face of a first cell sheet, wherein the surfaces of the net conductive wires are coated with conductive paste; arranging a second cell sheet to be connected on the net conductive wires extending outside the tail end of the first cell sheet, wherein a back face of the second cell sheet contacts the net conductive wires; arranging the net conductive wires on the front face of the second cell sheet; and repeating arrangements of the cell sheets and the net conductive wires, connecting a plurality of cell sheets, implementing series arrangement of the cell sheets, and drying and sintering the connected cell sheets to obtain the cell sheet layer after a designed number of cell sheets are connected. According to the novel photovoltaic cell module and the manufacturing method for the same, a manufacturing process can be simplified, the demand for the manufacturing accuracy is greatly decreased, manufacture of the cell sheets and the cell module can be completed at the same time, a amount of factory space cannot be occupied, the consumption of silver paste can be reduced, and the cost can be greatly reduced.
Description
Technical field
The present invention relates to photovoltaic module and manufacture method thereof, particularly relate to a kind of Novel photovoltaic battery component and manufacture method thereof.
Background technology
Photovoltaic module is the core in solar power system, is also most important part in solar power system.Its effect converts solar energy into electrical energy, or be sent in storage battery and store, or promote loaded work piece.Single solar cell can not directly use as power supply, some cell series and parallels must be connected, more tightly be packaged into assembly.
Traditional method is on cell piece, print wide main grid and thin auxiliary grid, by series welding, sheet is connected with the main grid of sheet again, printing main grid needs the silver paste of more high cost, and wide main grid has blocked the effective area that cell piece generates electricity for light, the part that should be converted into the sunlight of electric energy is stopped to fall, and causes the loss of photoelectric conversion efficiency.On cell piece, grid line will weld with welding exactitude position, and printing precision and bonding machine aligning accuracy require higher, high accuracy printing and welding equipment cost high.The grid line that cell piece prints is solid, expends high cost silver paste more.The high temperature impact of series welding welding causes the micro-damage of cell piece, the position that on cell piece, welding is overlapping with main grid is higher than other planes, when lamination, pressure concentrates on corresponding position, easily cause that cell piece is hidden to be split, weld the cell piece upper stress that causes to remain, also easily cause cell piece to occur Stress Release follow-up and hiddenly split.Existing another kind of method is the method for attachment of back contacts, and namely on cell piece, do not print wide main grid, and run through from cell piece in cell piece manufacture process or from the side the electrical connection of auxiliary grid guided to the back side from cell piece front, complex process, cost is high.Above legacy equipment is all unfavorable for photovoltaic generation product at lower cost for solving everyone need for electricity of the whole world.
In sum, people simple, easily manufactured in the urgent need to a kind of structure, increase cell piece effective area of shining light, the photovoltaic module reducing manufacturing cost and manufacture method thereof.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of Novel photovoltaic battery component.Apply photovoltaic cell component of the present invention, no longer need traditional cell piece printing and single, series welding, manufacture process simplifies greatly, and the accuracy of manufacture requires to reduce; The manufacture of cell piece and assembly completes simultaneously, saves hall space; Use hollow conductive filament, also save production cost.
For achieving the above object, technical scheme provided by the present invention is:
A kind of Novel photovoltaic battery component, it is characterized in that, be laid with glass, EVA, battery lamella, EVA and backboard from bottom to up successively, wherein battery lamella is formed in the following ways: at the reticulated conductive silk of the front placement surface attachment electrocondution slurry of first cell piece, place second cell piece to be connected extending on the reticulated conductive silk beyond first cell piece tail end, the back side of second cell piece contacts with reticulated conductive silk; Reticulated conductive silk is placed in the front of second cell piece, repeat the laying of cell piece and reticulated conductive silk, connect some cell pieces, the series connection realizing cell piece is laid, until after being connected with the cell piece of design quantity, the cell piece of connection is dried, sinter after namely obtain described battery lamella.
Further, electrocondution slurry is conductive silver paste or aluminium paste.
Further, reticulated conductive silk is netted hollow conductive filament, and conductive filament is spun gold, copper wire or aluminium wire.
Further, backboard is TPT.
Manufacture a method for Novel photovoltaic battery component, comprise the following steps:
1) at the front placement surface attachment electrocondution slurry of first cell piece or the reticulated conductive silk of local attachment conducting resinl, place second cell piece to be connected extending on the reticulated conductive silk beyond first cell piece tail end, the back side of second cell piece contacts with reticulated conductive silk; Described reticulated conductive silk is placed in the front of second cell piece, repeat the laying of cell piece and reticulated conductive silk, connect some cell pieces, the series connection realizing cell piece is laid, until after being connected with the cell piece of design quantity, the cell piece of connection being dried, sinters battery lamella into.
2) glass, EVA, battery lamella, EVA and backboard is laid from bottom to up successively.
3) vacuumize, high temperature lamination, make lamination photovoltaic cell component.
Further, in step 3) after carry out the step of photovoltaic cell component defects detection.
Further, the electrocondution slurry in said method is conductive silver paste or aluminium paste.
Further, the reticulated conductive silk in said method is netted hollow conductive filament, and conductive filament is spun gold, copper wire or aluminium wire.
Further, the backboard in said method is TPT.
Adopt technique scheme, beneficial effect of the present invention has:
1. preparation method of the present invention is by using the hollow filament of reticulated conductive of attachment electrocondution slurry or local attachment conducting resinl, no longer need the welding back side, the cell panel front series welding of traditional handicraft, simplify manufacturing process, simultaneously, aim at the accurate of main grid without the need to welding, the accuracy of manufacture requires greatly to reduce, and the manufacture of cell piece and assembly completes simultaneously, saves a large amount of hall space.
2. the conductive filament used is hollow filament, reduces silver slurry consumption, greatly reduces costs.
3. adopt the structure of reticulated conductive silk, overcome the problem that traditional wide main grid blocks cell piece effective area of shining light, improve photoelectric conversion efficiency.
4. reticulated conductive silk is evenly distributed on cell sheet, avoids welding in traditional handicraft overlapping with main grid higher than all the other planes, occurs the risk of fracture during lamination; Avoid welding and weld stress-retained damage to cell piece with main grid; Avoid the impact injury of welding to cell piece.
5. the thin auxiliary grid line thoroughly solved in the traditional printing electric current that grid cause that breaks can not be collected, and causes the problem that photoelectric conversion efficiency is lost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the manufacturing flow chart of the embodiment of the present invention.
Description of reference numerals
1 is cell piece, and 2 is reticulated conductive air silk.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment and accompanying drawing, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 2 is the flow chart that the photovoltaic module of one embodiment of the invention manufactures, and as shown in Figure 2, the technological process manufacturing the photovoltaic module of the present embodiment is as follows.
Cell piece sorting: first, by primary election by there being unfilled corner, hiddenly to split, the cell piece of sliver, aberration etc. screens.
Series-connected cell lamella: as shown in Figure 1, at the hollow filament of reticulated conductive of the front placement surface attachment conductive silver paste of first cell piece, place second cell piece to be connected extending on the hollow filament of reticulated conductive beyond first cell piece tail end, the back side of second cell piece contacts with the hollow filament of reticulated conductive; The hollow filament of reticulated conductive is placed in the front of second cell piece, repeat cell piece and be connected some cell pieces with the said process of the laying of reticulated conductive silk, both positive and negative polarity is formed at the positive and negative of each cell piece, lay with the series connection realizing cell piece, until after being connected with the cell piece of design quantity, the cell piece of connection being dried, sinters battery lamella into.
Stacked: to lay glass, EVA, cell piece, EVA and backboard successively on the table, wherein, glass wool faces up, EVA matte tiles thereon upward, lay positive pole battery lamella upward again, then lay one deck matte towards the EVA of cell piece and one deck backsheet layer, form battery component.The positive pole of battery component and negative pole are drawn from aperture, with adhesive tape, the convergent belt of extraction is fixed on backboard, with double faced adhesive tape, EVA and backsheet layer is fixed, then carry out battery component defects detection.
Middle inspection: be ensure battery component quality, uses middle inspection platform to detect the voltage of assembly, electric current.
Lamination solidifies: the battery component laid is put into laminating machine, by vacuumizing, the air in assembly is extracted out and lamination, heating, EVA is melted battery, glass and backboard are bonded together, then assembly is taken out in cooling, during lamination, EVA solidify to form burr because pressure stretches out after melting, and is finally excised by burr.
Frame up wiring: glass assembly loads the aluminium frame of note silica gel, increases the intensity of assembly, bonding and at lead-in wire place Welding junction box at module backside, is beneficial to the connection between battery component and other equipment or battery component.
Wiping: wipe glass, aluminium frame, back plate surface foreign matter, and EVA remains.
Survey eventually: use test instrument, detect the power output of battery component, determine the credit rating of assembly.
Eventually inspection: international iec standard test condition be am1.5,100mw/ ㎡, 25 DEG C.Detect following parameter: open circuit voltage, short circuit current, operating voltage, operating current, peak power output, fill factor, curve factor, photoelectric conversion efficiency, series resistance, parallel resistance and I-U curve etc.
In the step of series-connected cell lamella, the hollow filament surfaces of reticulated conductive can adhere to aluminium paste, or conducting resinl is adhered in local.
EVA is that a kind of hot melt adhesive sticks agent, and include crosslinking agent, through hot pressing, melting gluing and crosslinking curing just occur, the EVA after solidification has elasticity, encapsulates battery layers up and down, and with the adhesion of toughened glass layer after can improve glass transmission rate.
Backboard can be solar energy backboard conventional in TPT or other this areas.
Stacked object melts high-temperature adhesives in the event of high temperatures, glassy layer and cell piece is bonded together, thus form an entirety, to reach the protection to generator unit cell piece.
Terminal box is made up of ABS, binding post by high connductivity solution copper become, terminal box with silica gel gluing on backboard.
The above embodiment only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (9)
1. a Novel photovoltaic battery component, it is characterized in that, be laid with glass, EVA, battery lamella, EVA and backboard from bottom to up successively, wherein battery lamella is formed in the following ways: at the reticulated conductive silk of the front placement surface attachment electrocondution slurry of first cell piece, place second cell piece to be connected extending on the reticulated conductive silk beyond first cell piece tail end, the back side of second cell piece contacts with reticulated conductive silk; Reticulated conductive silk is placed in the front of second cell piece, repeat the laying of cell piece and reticulated conductive silk, connect some cell pieces, the series connection realizing cell piece is laid, until after being connected with the cell piece of design quantity, the cell piece of connection is dried, sinter after namely obtain described battery lamella.
2. Novel photovoltaic battery component according to claim 1, is characterized in that, described electrocondution slurry is conductive silver paste or aluminium paste.
3. Novel photovoltaic battery component according to claim 1, is characterized in that, described reticulated conductive silk is netted hollow conductive filament, and conductive filament is spun gold, copper wire or aluminium wire.
4. Novel photovoltaic battery component according to claim 1, is characterized in that, described backboard is TPT.
5. a method for the Novel photovoltaic battery component described in manufacturing claims 1-4, is characterized in that, comprise the following steps:
1) at the front placement surface attachment electrocondution slurry of first cell piece or the reticulated conductive silk of local attachment conducting resinl, place second cell piece to be connected extending on the reticulated conductive silk beyond first cell piece tail end, the back side of second cell piece contacts with reticulated conductive silk; Described reticulated conductive silk is placed in the front of second cell piece, repeat the laying of cell piece and reticulated conductive silk, connect some cell pieces, the series connection realizing cell piece is laid, until after being connected with the cell piece of design quantity, the cell piece of connection being dried, sinters battery lamella into.
2) glass, EVA, battery lamella, EVA and backboard is laid from bottom to up successively.
3) vacuumize, high temperature lamination, make lamination photovoltaic cell component.
6. method according to claim 5, is characterized in that, is also included in step 3) after carry out the step of photovoltaic cell component defects detection.
7. method according to claim 5, is characterized in that, described electrocondution slurry is conductive silver paste or aluminium paste.
8. method according to claim 5, is characterized in that, described reticulated conductive silk is netted hollow conductive filament, and conductive filament is spun gold, copper wire or aluminium wire.
9. method according to claim 5, is characterized in that, described backboard is TPT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410478784.9A CN105489675A (en) | 2014-09-18 | 2014-09-18 | Novel photovoltaic cell module and manufacturing method for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410478784.9A CN105489675A (en) | 2014-09-18 | 2014-09-18 | Novel photovoltaic cell module and manufacturing method for same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105489675A true CN105489675A (en) | 2016-04-13 |
Family
ID=55676537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410478784.9A Pending CN105489675A (en) | 2014-09-18 | 2014-09-18 | Novel photovoltaic cell module and manufacturing method for same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105489675A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158994A (en) * | 2016-08-26 | 2016-11-23 | 无锡携创新能源科技有限公司 | A kind of resisting without main grid hidden splits battery component |
| CN109452047A (en) * | 2018-12-21 | 2019-03-12 | 广西武宣吉福光电科技有限公司 | Easily construction intelligent photovoltaic greenhouse |
| WO2021037020A1 (en) * | 2019-08-30 | 2021-03-04 | 苏州携创新能源科技有限公司 | Main-gate-free solar cell and main-gate-free solar photovoltaic module |
| CN113611778A (en) * | 2021-08-18 | 2021-11-05 | 苏州诺菲纳米科技有限公司 | Method for replacing traditional photovoltaic low-temperature silver paste with metal compound and application of metal compound |
| WO2024040987A1 (en) * | 2022-08-22 | 2024-02-29 | 苏州迈展自动化科技有限公司 | Busbar-free solar photovoltaic module and manufacturing method therefor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751342A (en) * | 2012-07-02 | 2012-10-24 | 济南龙图新能源科技有限公司 | Solar battery metal grid line electrode and procreation method thereof |
| CN102867873A (en) * | 2011-07-04 | 2013-01-09 | 张陆成 | Solar battery and method for splicing solar battery fragments |
| CN103500773A (en) * | 2013-09-16 | 2014-01-08 | 深圳市索阳新能源科技有限公司 | Novel efficient back contact type solar power generation assembly and manufacturing method thereof |
| CN104009107A (en) * | 2014-04-30 | 2014-08-27 | 晶澳太阳能有限公司 | Novel solar photovoltaic module |
-
2014
- 2014-09-18 CN CN201410478784.9A patent/CN105489675A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867873A (en) * | 2011-07-04 | 2013-01-09 | 张陆成 | Solar battery and method for splicing solar battery fragments |
| CN102751342A (en) * | 2012-07-02 | 2012-10-24 | 济南龙图新能源科技有限公司 | Solar battery metal grid line electrode and procreation method thereof |
| CN103500773A (en) * | 2013-09-16 | 2014-01-08 | 深圳市索阳新能源科技有限公司 | Novel efficient back contact type solar power generation assembly and manufacturing method thereof |
| CN104009107A (en) * | 2014-04-30 | 2014-08-27 | 晶澳太阳能有限公司 | Novel solar photovoltaic module |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158994A (en) * | 2016-08-26 | 2016-11-23 | 无锡携创新能源科技有限公司 | A kind of resisting without main grid hidden splits battery component |
| CN109452047A (en) * | 2018-12-21 | 2019-03-12 | 广西武宣吉福光电科技有限公司 | Easily construction intelligent photovoltaic greenhouse |
| WO2021037020A1 (en) * | 2019-08-30 | 2021-03-04 | 苏州携创新能源科技有限公司 | Main-gate-free solar cell and main-gate-free solar photovoltaic module |
| CN113611778A (en) * | 2021-08-18 | 2021-11-05 | 苏州诺菲纳米科技有限公司 | Method for replacing traditional photovoltaic low-temperature silver paste with metal compound and application of metal compound |
| WO2024040987A1 (en) * | 2022-08-22 | 2024-02-29 | 苏州迈展自动化科技有限公司 | Busbar-free solar photovoltaic module and manufacturing method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104037265B (en) | A kind of method of HIT solar cell and electrode preparation and series connection | |
| CN105489675A (en) | Novel photovoltaic cell module and manufacturing method for same | |
| CN113327997A (en) | Back contact solar cell string, preparation method, assembly and system | |
| CN104617169A (en) | Photovoltaic component | |
| CN101567402A (en) | Solar photovoltaic component and welding process | |
| CN101320760A (en) | Solar cell module and preparation method thereof | |
| CN108054228A (en) | A kind of solar cell module and its manufacturing method | |
| CN201050126Y (en) | Photoelectric glass curtain wall | |
| CN104600158B (en) | Interconnection method of crystalline silicon battery assembly | |
| CN210692545U (en) | Photovoltaic module without main grid | |
| CN102496644A (en) | Crystalline silicon photovoltaic assembly | |
| CN215815903U (en) | Photovoltaic module | |
| CN214753809U (en) | Back contact solar cell string, assembly and system | |
| CN102983223B (en) | Production process and production equipment of photovoltaic module | |
| CN104701418A (en) | Interconnection method of crystal silicon battery module | |
| CN114335219A (en) | BIPV intelligent chip photovoltaic module and packaging process thereof | |
| CN202758916U (en) | EPE-isolated solar cell module | |
| CN103887356A (en) | Light solar photovoltaic power generation component and stacking method in production technology thereof | |
| CN211125669U (en) | High-reliability crystalline silicon solar cell packaging assembly | |
| Späth et al. | First experiments on module assembly line using back-contact solar cells | |
| CN102610688A (en) | Tool for encapsulating and arranging string of solar cell component | |
| CN204834651U (en) | Solar module that low temperature concatenated | |
| CN108155259B (en) | Isolation film technology for stacking glass for photovoltaic module | |
| CN104952958B (en) | Exempt to weld photovoltaic module and processing method | |
| CN106558631B (en) | Main-grid-free double-sided battery assembly and manufacturing process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160413 |