CN102615954A - Solar battery positive electrode screen - Google Patents
Solar battery positive electrode screen Download PDFInfo
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- CN102615954A CN102615954A CN2012101108851A CN201210110885A CN102615954A CN 102615954 A CN102615954 A CN 102615954A CN 2012101108851 A CN2012101108851 A CN 2012101108851A CN 201210110885 A CN201210110885 A CN 201210110885A CN 102615954 A CN102615954 A CN 102615954A
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- solar battery
- grid line
- half tone
- front electrode
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- 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
Abstract
The invention relates to a solar battery positive electrode screen, which comprises a device body, wherein a wire fixing frame is arranged in the device body. The solar battery positive electrode screen is characterized in that thin gratings are transversely distributed in the wire fixing frame at intervals, main gratings are longitudinally distributed in the wire fixing frame at intervals, and simultaneously auxiliary gratings are distributed between every two adjacent main gratings in parallel mode. Therefore, through effective match between the auxiliary gratings and the main gratings, the transmission path of electrons on the surface of a battery sheet can be effectively improved and effective conduction of the electrons is increased. In addition, through reasonable design of each grating, no extra cost is increased. More importantly, the transmission path of light current can be increased, influence on light current transmission caused by the battery sheet is reduced, electric performance efficiency is improved, simultaneously the hot spot phenomenon is improved, and service life of an assembly is prolonged.
Description
Technical field
The present invention relates to a kind of half tone, relate in particular to a kind of front electrode of solar battery half tone.
Background technology
The crystal silicon solar energy battery industrialization technology is very ripe at present; Yet compare with conventional energy resource; Relatively higher cost, lower efficient and the product quality of high-quality have restricted its development; For how to reduce cost and improve conversion efficiency and product quality, people have carried out a large amount of research.
In the factor that influences efficient and assembly life-span, grid line is one of them key factor.The grid line design on silicon solar surface be collection photoelectric current for the limit of maximum to main grid, if the disconnected grid phenomenon of thin grid line in the positive electrode printing process, occurs, the transmission route of photoelectric current is blocked; Be equivalent to circuit breaker; Then influenced the collection to photoelectric current to a certain extent, thereby influenced battery sheet conversion efficiency, this disconnected grid cell sheet is made assembly in the future; The hot spot phenomenon of local pyrexia will appear in disconnected grid place, influence assembly life-span.Though can be through increasing the thin grid line width of half tone and changing littler and silver printing effect and good electrical property of granularity and starch and reach the effect that reduces disconnected grid, this can increase production cost to a great extent, and can not avoid the appearance of disconnected grid.
In order to reach optimization to grid line, improve the collection of electric current, under the prerequisite that does not increase production cost, improve of the influence of disconnected grid as much as possible simultaneously to battery sheet efficient and assembly life-span.Design increases the thin grid line of two parallel positive electrode main grids; With having increased the path that photoelectric current transfers to main grid to a great extent; Reduce behind the disconnected grid photoelectric current transmission short circuit to the influence of short circuit current and efficient, also reduced assembly hot spot phenomenon that the disconnected grid place local pyrexia of assembly end caused simultaneously and the influence of assembly life-span.
Summary of the invention
The object of the invention is exactly the problems referred to above that exist in the prior art in order to solve, and a kind of front electrode of solar battery half tone is provided.
The object of the invention is realized through following technical scheme:
A kind of front electrode of solar battery half tone; Include device body; Be provided with the solidus frame in the described device body; Wherein: the lateral separation is distributed with thin grid line in the described solidus frame, and longitudinal separation is distributed with the main grid line in the said solidus frame, parallelly between said adjacent two main grid lines is distributed with secondary grid line.
Further, above-mentioned a kind of front electrode of solar battery half tone, wherein: described main grid line two ends are provided with tip, and described tip length is 15.45 to 15.55 millimeters.
Further, above-mentioned a kind of front electrode of solar battery half tone, wherein: the distance between the adjacent two main grid lines with the left and right sides of described secondary grid line is 22 to 28 millimeters.
Further, above-mentioned a kind of front electrode of solar battery half tone, wherein: the distance between the adjacent two main grid lines with the left and right sides of described secondary grid line is 26 millimeters.
Further, above-mentioned a kind of front electrode of solar battery half tone, wherein: described main grid line width is 0.1 to 0.4 millimeter.
Further, above-mentioned a kind of front electrode of solar battery half tone, wherein: described main grid line width is 0.3 millimeter.
Further; Above-mentioned a kind of front electrode of solar battery half tone; Wherein: be intervally distributed with main compartmented and secondary compartmented on the described main grid line, the length of said main compartmented is 7.45 to 7.55 millimeters, and the length of said secondary compartmented is 10.95 to 11.05 millimeters.
Again further, above-mentioned a kind of front electrode of solar battery half tone, wherein: described solidus frame thickness is 1.5 millimeters.
The advantage of technical scheme of the present invention is mainly reflected in: through effective cooperation the between secondary grid line and the main grid line, can effectively improve the transmission path of the electronics on battery sheet surface, increase effective conduction of electronics.And,, do not increase any extra cost through appropriate design to each grid line.What is more important can increase the transmission path of photoelectric current, reduces the influence that transmission causes to battery sheet photoelectric current of disconnected grid, promotes electrical property efficient.Simultaneously, improve the hot spot phenomenon, prolong assembly life-span.
Description of drawings
The object of the invention, advantage and characteristics will illustrate through the non-limitative illustration of following preferred embodiment and explain.These embodiment only are the prominent examples of using technical scheme of the present invention, and all technical schemes of taking to be equal to replacement or equivalent transformation and forming all drop within the scope of requirement protection of the present invention.
Fig. 1 is a kind of organigram of front electrode of solar battery half tone.
1 device body, 2 solidus frames
3 thin grid line 4 secondary grid lines
5 tips, 6 main compartmenteds
7 secondary compartmenteds
The specific embodiment
A kind of front electrode of solar battery half tone as shown in Figure 1; Include device body 1; Be provided with solidus frame 2 in this device body 1, its unusual part is: the lateral separation is distributed with thin grid line 3 in the solidus frame 2 that the present invention adopted, and longitudinal separation is distributed with the main grid line in this solidus frame 2.Simultaneously, parallelly between adjacent two main grid lines be distributed with secondary grid line 4.Like this, rely on effective cooperation the between secondary grid line 4 and the main grid line, can reduce of the influence of disconnected grid, and then reduce the influence that disconnected grid cause battery sheet electric transmission, thereby reduce the short circuit phenomenon of photoelectric current, finally promote electrical property efficient electric transmission.
With regard to the present invention's one preferred implementation, in order effectively to reduce the termination width of main grid line, be provided with tip 5 at main grid line two ends, these tip 5 length are 15.45 to 15.55 millimeters.
Further; Considering to increase the path that photoelectric current transfers to the main grid line; Avoid the appearance of disconnected grid simultaneously; Distance between the adjacent two main grid lines with the left and right sides of the secondary grid line 4 of the present invention is 22 to 28 millimeters, just best embodiment, and the distance between the adjacent two main grid lines with the left and right sides of secondary grid line 4 can be 26 millimeters.In order to consolidate such effect, the main grid line width of employing is 0.1 to 0.4 millimeter.Equally, just best embodiment, this main grid line width is 0.3 millimeter.
Again further; In order to improve the hot spot phenomenon, prolong assembly life-span and reduce the weight of printing slurry, be intervally distributed with main compartmented 6 and secondary compartmented 7 on the main grid line of the present invention; The length of main compartmented 6 is 7.45 to 7.55 millimeters, and the length of secondary compartmented 7 is 10.95 to 11.05 millimeters.Certainly, in order effectively to control manufacturing cost, solidus frame 2 thickness are 1.5 millimeters and get final product.
Can find out through above-mentioned character express, adopt the present invention after, through effective cooperation the between secondary grid line and the main grid line, can effectively improve the transmission path of the electronics on battery sheet surface, effective conduction of increase electronics.And,, do not increase any extra cost through appropriate design to each grid line.What is more important can increase the transmission path of photoelectric current, reduces the influence that transmission causes to battery sheet photoelectric current of disconnected grid, promotes electrical property efficient.Simultaneously, improve the hot spot phenomenon, prolong assembly life-span.
Claims (8)
1. front electrode of solar battery half tone; Include device body; Be provided with the solidus frame in the described device body; It is characterized in that: the lateral separation is distributed with thin grid line in the described solidus frame, and longitudinal separation is distributed with the main grid line in the said solidus frame, parallelly between said adjacent two main grid lines is distributed with secondary grid line.
2. a kind of front electrode of solar battery half tone according to claim 1 is characterized in that: described main grid line two ends are provided with tip, and described tip length is 15.45 to 15.55 millimeters.
3. a kind of front electrode of solar battery half tone according to claim 1 is characterized in that: the distance between the adjacent two main grid lines with the left and right sides of described secondary grid line is 22 to 28 millimeters.
4. a kind of front electrode of solar battery half tone according to claim 3 is characterized in that: the distance between the adjacent two main grid lines with the left and right sides of described secondary grid line is 26 millimeters.
5. a kind of front electrode of solar battery half tone according to claim 1 is characterized in that: described main grid line width is 0.1 to 0.4 millimeter.
6. a kind of front electrode of solar battery half tone according to claim 5 is characterized in that: described main grid line width is 0.3 millimeter.
7. a kind of front electrode of solar battery half tone according to claim 1; It is characterized in that: be intervally distributed with main compartmented and secondary compartmented on the described main grid line; The length of said main compartmented is 7.45 to 7.55 millimeters, and the length of said secondary compartmented is 10.95 to 11.05 millimeters.
8. a kind of front electrode of solar battery half tone according to claim 1 is characterized in that: described solidus frame thickness is 1.5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101108851A CN102615954A (en) | 2012-04-16 | 2012-04-16 | Solar battery positive electrode screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101108851A CN102615954A (en) | 2012-04-16 | 2012-04-16 | Solar battery positive electrode screen |
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| CN102615954A true CN102615954A (en) | 2012-08-01 |
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| CN2012101108851A Pending CN102615954A (en) | 2012-04-16 | 2012-04-16 | Solar battery positive electrode screen |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983179A (en) * | 2012-12-10 | 2013-03-20 | 常州天合光能有限公司 | Upper-lower electrode structure of solar cell |
| CN103178133A (en) * | 2012-12-12 | 2013-06-26 | 英利能源（中国）有限公司 | Electrode grid line structure of crystalline silicon solar cell |
| WO2014090009A1 (en) * | 2012-12-10 | 2014-06-19 | 常州天合光能有限公司 | Electrode structure of solar cell plate |
| WO2021098295A1 (en) * | 2019-11-20 | 2021-05-27 | 通威太阳能（成都）有限公司 | Screen printing plate structure of monocrystalline silicon solar cell |
| CN113306272A (en) * | 2021-06-21 | 2021-08-27 | 江苏润阳世纪光伏科技有限公司 | Novel screen pattern manufacturing method for screen printing production |
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| JP2008135655A (en) * | 2006-11-29 | 2008-06-12 | Sanyo Electric Co Ltd | Solar battery module, manufacturing method therefor, and solar battery cell |
| KR20100090316A (en) * | 2009-02-06 | 2010-08-16 | 에스에스씨피 주식회사 | Front electrode pattern of a solar cell and solar cell having the same |
| CN101826569A (en) * | 2010-05-13 | 2010-09-08 | 无锡尚德太阳能电力有限公司 | Solar cell, screen printing plate and solar cell module thereof |
| KR20100112956A (en) * | 2009-04-10 | 2010-10-20 | 엘지이노텍 주식회사 | Pattern of the front electrode of solar cell and solar cell using the same |
| JP2010239167A (en) * | 2010-07-30 | 2010-10-21 | Sanyo Electric Co Ltd | Solar cell module |
| CN201856441U (en) * | 2010-10-26 | 2011-06-08 | 宁波升日太阳能电源有限公司 | Screen plate used for printing silicon solar battery electrode |
| CN102157573A (en) * | 2011-02-22 | 2011-08-17 | 江门尚日新能源有限公司 | Printed pattern of positive electrode of solar cell |
| CN102184973A (en) * | 2010-11-11 | 2011-09-14 | 江阴浚鑫科技有限公司 | Positive electrode structure of solar battery plate |
| CN202142543U (en) * | 2011-07-15 | 2012-02-08 | 中电电气（南京）光伏有限公司 | Crystalline silicon solar cell electrode |
| CN202556882U (en) * | 2012-04-16 | 2012-11-28 | 中利腾晖光伏科技有限公司 | Positive electrode screen of solar cell |
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2012
- 2012-04-16 CN CN2012101108851A patent/CN102615954A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008135655A (en) * | 2006-11-29 | 2008-06-12 | Sanyo Electric Co Ltd | Solar battery module, manufacturing method therefor, and solar battery cell |
| KR20100090316A (en) * | 2009-02-06 | 2010-08-16 | 에스에스씨피 주식회사 | Front electrode pattern of a solar cell and solar cell having the same |
| KR20100112956A (en) * | 2009-04-10 | 2010-10-20 | 엘지이노텍 주식회사 | Pattern of the front electrode of solar cell and solar cell using the same |
| CN101826569A (en) * | 2010-05-13 | 2010-09-08 | 无锡尚德太阳能电力有限公司 | Solar cell, screen printing plate and solar cell module thereof |
| JP2010239167A (en) * | 2010-07-30 | 2010-10-21 | Sanyo Electric Co Ltd | Solar cell module |
| CN201856441U (en) * | 2010-10-26 | 2011-06-08 | 宁波升日太阳能电源有限公司 | Screen plate used for printing silicon solar battery electrode |
| CN102184973A (en) * | 2010-11-11 | 2011-09-14 | 江阴浚鑫科技有限公司 | Positive electrode structure of solar battery plate |
| CN102157573A (en) * | 2011-02-22 | 2011-08-17 | 江门尚日新能源有限公司 | Printed pattern of positive electrode of solar cell |
| CN202142543U (en) * | 2011-07-15 | 2012-02-08 | 中电电气（南京）光伏有限公司 | Crystalline silicon solar cell electrode |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983179A (en) * | 2012-12-10 | 2013-03-20 | 常州天合光能有限公司 | Upper-lower electrode structure of solar cell |
| WO2014090009A1 (en) * | 2012-12-10 | 2014-06-19 | 常州天合光能有限公司 | Electrode structure of solar cell plate |
| CN102983179B (en) * | 2012-12-10 | 2016-02-10 | 常州天合光能有限公司 | The vertical type electrode structure of solar battery sheet |
| CN103178133A (en) * | 2012-12-12 | 2013-06-26 | 英利能源（中国）有限公司 | Electrode grid line structure of crystalline silicon solar cell |
| WO2021098295A1 (en) * | 2019-11-20 | 2021-05-27 | 通威太阳能（成都）有限公司 | Screen printing plate structure of monocrystalline silicon solar cell |
| CN113306272A (en) * | 2021-06-21 | 2021-08-27 | 江苏润阳世纪光伏科技有限公司 | Novel screen pattern manufacturing method for screen printing production |
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Application publication date: 20120801 |