CN102683441A - Solar cell module - Google Patents

Solar cell module Download PDF

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Publication number
CN102683441A
CN102683441A CN2011100576027A CN201110057602A CN102683441A CN 102683441 A CN102683441 A CN 102683441A CN 2011100576027 A CN2011100576027 A CN 2011100576027A CN 201110057602 A CN201110057602 A CN 201110057602A CN 102683441 A CN102683441 A CN 102683441A
Authority
CN
China
Prior art keywords
battery
electrode
battery sheet
solar module
conductive tape
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
Application number
CN2011100576027A
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Chinese (zh)
Inventor
沈坚
王国华
杨连丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CSI Solar Power Group Co Ltd
Canadian Solar Manufacturing Changshu Inc
Canadian Solar China Investment Co Ltd
Original Assignee
Canadian Solar Manufacturing Changshu Inc
Canadian Solar China Investment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canadian Solar Manufacturing Changshu Inc, Canadian Solar China Investment Co Ltd filed Critical Canadian Solar Manufacturing Changshu Inc
Priority to CN2011100576027A priority Critical patent/CN102683441A/en
Publication of CN102683441A publication Critical patent/CN102683441A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a solar cell module which comprises a plurality of cell strings and bus bars used for connecting the cell strings, a plurality of cell slices are in a series connection to form each of the cell strings, each of the cell slices is provided with a positive electrode and a negative electrode, conducting adhesive tapes are posted on the positive and negative electrodes, the cell slices are in an electrical series connection by a plurality of interconnectors, one ends of a portion of the interconnectors are connected with conducting adhesive tapes on cell slices at two ends of the cell strings, the other ends of the portion of the interconnectors extend out of the cell strings, one ends of surplus interconnectors are connected on the conducting adhesive tape of the positive electrode of a last cell slice, and the other ends of surplus interconnectors are connected on the conducting adhesive tape of the negative electrode of a next cell slice. According to the solar cell module, the conducting adhesive tapes are utilized for connecting, so that the electric connection property is improved, the process flow is simplified, and the manufacturing cost is reduced.

Description

Solar module
Technical field
The present invention relates to a kind of solar module, relate in particular to a kind of solar module with conductive tape.
Background technology
Solar module is to have inner connect and minimum indivisible solar battery group encapsulation, that direct current output can be provided separately attaches together and puts.The generated power of solar cell of monomer is little, because it is crisp and thin, broken very easily, its motor also is corroded in air easily, is inconvenient to use, and therefore, will a plurality of battery sheets be packaged into assembly in the practical application.
At present solar module is mainly with the packaged type of battery sheet series connection, the battery sheet be in the assembly the most key while also be the highest raw material of cost accounting.Existing solar module is that the both positive and negative polarity at the adjacent solar battery sheet is welded to connect copper strips with electric iron; Because temperature can reach more than 300 ℃ when tradition was used the electric iron welding; The percent thermal shrinkage of battery sheet and copper strips is different; Thereby the battery sector-meeting distortion of cooling back causes the battery sheet damaged, and this can greatly influence product quality and manufacturing cost.In addition; In order to reduce the influence of metal electrode to the quantity of illumination, the narrower in width of metal electrode is usually less than 2 millimeters; Need the welding robot realization metal electrode of degree of precision and the welding of cell panel, the purchase of this welding robot, maintenance have also increased the cost that manufactures a product.
So be necessary to design a kind of solar module that is easy to make, to solve the problems of the technologies described above.
Summary of the invention
The purpose of this invention is to provide a kind of convenient solar module of making.
For reaching aforementioned purpose; The present invention adopts following technical scheme: a kind of solar module; Comprise a plurality of battery strings and the busbar that connects battery strings, said battery strings is in series by a plurality of battery sheets, and said battery sheet is provided with positive electrode and negative electrode; All post conductive tape on said positive electrode and the negative electrode; Said battery sheet is electrically connected with a plurality of interconnectors, and wherein the conductive tape on the battery sheet at an end of part interconnector and battery strings two ends links to each other, and the other end extends outside the battery strings; One end of the interconnector of remainder is connected on the conductive tape of a battery sheet positive electrode, and the other end is connected on the conductive tape of next battery sheet negative electrode.
Further, said conductive tape is elongated, and it extends along battery leaf length direction, and the length of conductive tape is less than the length of battery sheet.
Further, the back side, the negative electrode that said positive electrode is positioned at the battery sheet is positioned at the front of battery sheet, and positive electrode and negative electrode all are strip, are parallel to each other and extend along battery leaf length direction.
Further, said battery sheet front is provided with at least two parallel main grid lines and some thin grid lines vertical with the main grid line, and wherein the width of main grid line is greater than the width of thin grid line, and said main grid line and thin grid line form negative electrode.
Further, the width of conductive tape is greater than the width of main grid line.
Further, said battery sheet front is provided with main electrode point and the some and said main electrode point of some array arrangements along the perpendicular thin grid line of battery leaf length direction line, and said main electrode point and thin grid line form negative electrode.
Further; Said battery sheet front is provided with the thin electrode points of main electrode point and some array arrangements of some array arrangements; Said main electrode point is perpendicular along the line on the battery sheet Width along line on the battery leaf length direction and said thin electrode points, and said main electrode point and thin electrode points form negative electrode.
Further, said interconnector length is greater than 2 times of conductive tape length.
Further, an end of said interconnector be affixed on an end flush of the conductive tape on the battery sheet negative electrode, the other end and an end flush that is affixed on another conductive tape on the adjacent cell sheet positive electrode, the said two ends of two conductive tapes each other away from.
Further, said interconnector is zinc-plated copper strips.
Compared to prior art, the present invention connects with conductive tape through between interconnector and battery sheet, placing conductive tape, assembles easily, has simplified technological process and reduced manufacturing cost.
Description of drawings
Fig. 1 is the vertical view of solar module of the present invention.
Fig. 2 is the cutaway view of solar module of the present invention along A-A direction among Fig. 1.
Fig. 3 is for being provided with the schematic top plan view of the main grid line and the battery sheet of thin grid line in the solar module of the present invention.
Fig. 4 is provided with thin grid line in the solar module of the present invention, does not establish the schematic top plan view of the battery sheet of main grid line.
Fig. 5 is not for being provided with the schematic top plan view of the main grid line and the battery sheet of thin grid line in the solar module of the present invention.
Wherein:
100 Battery strings 1 The battery sheet
2 Conductive tape 3 Interconnector
11 Negative electrode 12 Positive electrode
14 The main grid line 15 Thin grid line
141 Main electrode 151 Thin electrode points
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer, describe the present invention below in conjunction with accompanying drawing and specific embodiment.
See also Fig. 1, shown in Figure 2, be the connection sketch map of solar module battery sheet of the present invention, solar module comprises the battery strings 100 and the busbar that is connected battery strings 100 (not shown) of a plurality of proper alignment; Said battery strings 100 is in series by a plurality of battery sheets 1; Battery strings 100 is provided with negative electrode 11 and positive electrode 12, and negative electrode 11 is positioned at the front of battery sheet 1, and positive electrode 12 is positioned at the back side of battery sheet 1; Be equipped with conductive tape 2 on said negative electrode 11 and the positive electrode 12; The a plurality of interconnectors 3 of said battery sheet 1 usefulness are electrically connected, and wherein the conductive tape 2 on the battery sheet 1 at an end of part interconnector 3 and battery strings 100 two ends links to each other, and the other end extends outside the battery strings 100; One end of the interconnector 3 of remainder is connected on the conductive tape 2 of battery sheet 1 positive electrode 12; The other end is connected on the conductive tape 2 of next battery sheet 1 negative electrode 11, and the length of interconnector 3 is greater than the twice of conductive tape 2 length, and conductive tape 2 is elongated; It extends along battery sheet 1 length direction, and the length of conductive tape 2 is less than the length of battery sheet 1.
See also shown in Figure 3; For being provided with the schematic top plan view of the main grid line 14 and battery sheet 1 negative electrode 11 of thin grid line 15 in the solar module of the present invention; Negative electrode 11 be provided with two main grid lines 14 that are parallel to each other and with the perpendicular thin grid line 15 of some and main grid line 14; Conductive tape 2 is arranged on the main grid line 14, and wherein, the width of main grid line 14 is greater than the width of thin grid line 15.Preferably, the quantity of said thin grid line 15 is 30 ~ 50.
See also shown in Figure 4; For being provided with thin grid line 15 in the solar module of the present invention; Do not establish the schematic top plan view of the battery sheet 1 of main grid line; Said battery sheet 1 front is provided with main electrode point 141 and the some and said main electrode point 141 of some array arrangements along the perpendicular thin grid line 15 of battery leaf length direction line, and said main electrode point 141 and thin grid line 15 form negative electrodes.Preferably, main electrode point 141 is circular in the present embodiment, and it is square etc. that main electrode point 141 also can be.
See also shown in Figure 5; For not being provided with the schematic top plan view of the main grid line and the battery sheet 1 of thin grid line in the solar module of the present invention; Said battery sheet 1 front is provided with the thin electrode points 151 of main electrode point 141 and some array arrangements of some array arrangements; Said main electrode point 141 is perpendicular along the line on the battery sheet Width along line on the battery leaf length direction and said thin electrode points 151, and main electrode point 141 and thin electrode points 151 form negative electrode.Preferably, main electrode point 141 be circular with thin electrode points 151 in the present embodiment, main electrode point 141 and carefully electrode points 151 also can be square etc.
In the solar module production process of the present invention; Pick out qualified battery sheet earlier; Between the main grid line 14 of battery sheet 1 and interconnector 3, place conductive tape 2, the negative electrode 11 that interconnector 3 will adjacent two battery sheets 1 electrically is together in series formation battery strings 100 with positive electrode 12; Then battery strings 100 being arranged good back is together in series with busbar; At last toughened glass, EVA (hot melt adhesive stick), battery pack, TPT materials such as (polyvinyl fluoride composite membranes) are lined up according to certain order, carry out technologies such as lamination, curing, form complete solar module.The material that interconnector 3 adopts is generally zinc-plated copper strips.Need between said conductive tape 2 and interconnector 3 and the battery sheet 1 to adopt special equipment to fix; Compare with traditional welding; The characteristics of the mounting process of conductive tape 2 are that low temperature connects; Can the breakage rate of battery sheet in the solar module production process be reduced to about 0.1% by 0.3% of traditional welding, and after using conductive tape to connect, more traditional welding manner can increase by about about 1% electrical component performance.
In sum; More than be merely preferred embodiment of the present invention; Should not limit scope of the present invention with this, promptly every simple equivalent of being done according to claims of the present invention and description of the invention content changes and modifies, and all should still belong in the scope that patent of the present invention contains.

Claims (10)

1. solar module; Comprise a plurality of battery strings and the busbar that connects battery strings, said battery strings is in series by a plurality of battery sheets, and said battery sheet is provided with positive electrode and negative electrode; It is characterized in that: all post conductive tape on said positive electrode and the negative electrode; Said battery sheet is electrically connected with a plurality of interconnectors, and wherein the conductive tape on the battery sheet at an end of part interconnector and battery strings two ends links to each other, and the other end extends outside the battery strings; One end of the interconnector of remainder is connected on the conductive tape of a battery sheet positive electrode, and the other end is connected on the conductive tape of next battery sheet negative electrode.
2. solar module according to claim 1 is characterized in that: said conductive tape is elongated, and it extends along battery leaf length direction, and the length of conductive tape is less than the length of battery sheet.
3. solar module according to claim 1 is characterized in that: the back side, the negative electrode that said positive electrode is positioned at the battery sheet is positioned at the front of battery sheet, and positive electrode and negative electrode all are strip, are parallel to each other and extend along battery leaf length direction.
4. solar module according to claim 1; It is characterized in that: said battery sheet front is provided with at least two parallel main grid lines and some thin grid lines vertical with the main grid line; Wherein the width of main grid line is greater than the width of thin grid line, and said main grid line and thin grid line form negative electrode.
5. solar module according to claim 4 is characterized in that: the width of conductive tape is greater than the width of main grid line.
6. solar module according to claim 1; It is characterized in that: said battery sheet front is provided with main electrode point and the some and said main electrode point of some array arrangements along the perpendicular thin grid line of battery leaf length direction line, and said main electrode point and thin grid line form negative electrode.
7. solar module according to claim 1; It is characterized in that: said battery sheet front is provided with the thin electrode points of main electrode point and some array arrangements of some array arrangements; Said main electrode point is perpendicular along the line on the battery sheet Width along line on the battery leaf length direction and said thin electrode points, and said main electrode point and thin electrode points form negative electrode.
8. solar module according to claim 1 is characterized in that: said interconnector length is greater than 2 times of conductive tape length.
9. solar module according to claim 8; It is characterized in that: an end of said interconnector and an end flush that is affixed on the conductive tape on the battery sheet negative electrode; The other end be affixed on an end flush of another conductive tape on the adjacent cell sheet positive electrode, the said two ends of two conductive tapes each other away from.
10. solar module according to claim 8 is characterized in that: said interconnector is zinc-plated copper strips.
CN2011100576027A 2011-03-10 2011-03-10 Solar cell module Pending CN102683441A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011100576027A CN102683441A (en) 2011-03-10 2011-03-10 Solar cell module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011100576027A CN102683441A (en) 2011-03-10 2011-03-10 Solar cell module

Publications (1)

Publication Number Publication Date
CN102683441A true CN102683441A (en) 2012-09-19

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CN (1) CN102683441A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103618011A (en) * 2013-11-19 2014-03-05 奥特斯维能源(太仓)有限公司 Non-main-grid double-faced battery pack connected with conductive adhesives
CN104505414A (en) * 2014-12-16 2015-04-08 新奥光伏能源有限公司 Solar cell assembly
CN104779311A (en) * 2014-01-15 2015-07-15 聚日(苏州)科技有限公司 Solar cell module and forming method thereof
CN106735992A (en) * 2017-02-17 2017-05-31 武汉三工智能装备制造有限公司 The welding method of photovoltaic cell component

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1953211A (en) * 2005-10-18 2007-04-25 上海太阳能科技有限公司 Silicon solar cell electrode and its manufacture method
CN201210493Y (en) * 2008-04-17 2009-03-18 中电电气(上海)太阳能科技有限公司 Encapsulation construction of solar cell component
CN101427384A (en) * 2006-04-26 2009-05-06 日立化成工业株式会社 Adhesive tape and solar cell module using the same
CN101689576A (en) * 2007-07-13 2010-03-31 三洋电机株式会社 Solar cell module manufacturing method
CN201667341U (en) * 2010-03-17 2010-12-08 晶科能源有限公司 Picked and placed solar battery component
CN202004010U (en) * 2011-03-10 2011-10-05 阿特斯(中国)投资有限公司 Solar cell assembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1953211A (en) * 2005-10-18 2007-04-25 上海太阳能科技有限公司 Silicon solar cell electrode and its manufacture method
CN101427384A (en) * 2006-04-26 2009-05-06 日立化成工业株式会社 Adhesive tape and solar cell module using the same
CN101689576A (en) * 2007-07-13 2010-03-31 三洋电机株式会社 Solar cell module manufacturing method
CN201210493Y (en) * 2008-04-17 2009-03-18 中电电气(上海)太阳能科技有限公司 Encapsulation construction of solar cell component
CN201667341U (en) * 2010-03-17 2010-12-08 晶科能源有限公司 Picked and placed solar battery component
CN202004010U (en) * 2011-03-10 2011-10-05 阿特斯(中国)投资有限公司 Solar cell assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103618011A (en) * 2013-11-19 2014-03-05 奥特斯维能源(太仓)有限公司 Non-main-grid double-faced battery pack connected with conductive adhesives
CN104779311A (en) * 2014-01-15 2015-07-15 聚日(苏州)科技有限公司 Solar cell module and forming method thereof
CN104505414A (en) * 2014-12-16 2015-04-08 新奥光伏能源有限公司 Solar cell assembly
CN104505414B (en) * 2014-12-16 2017-03-22 新奥光伏能源有限公司 Solar cell assembly
CN106735992A (en) * 2017-02-17 2017-05-31 武汉三工智能装备制造有限公司 The welding method of photovoltaic cell component

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Application publication date: 20120919