CN102969369A - Solar battery frontage electrode structure as well as battery piece and component - Google Patents
Solar battery frontage electrode structure as well as battery piece and component Download PDFInfo
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- CN102969369A CN102969369A CN2012105269481A CN201210526948A CN102969369A CN 102969369 A CN102969369 A CN 102969369A CN 2012105269481 A CN2012105269481 A CN 2012105269481A CN 201210526948 A CN201210526948 A CN 201210526948A CN 102969369 A CN102969369 A CN 102969369A
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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
- 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
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Abstract
The invention relates to a solar battery frontage electrode structure as well as a battery piece and a component. The solar battery frontage electrode structure comprises current lead-out electrodes and a current collecting electrode which is of a linear shape, and comprises rough grid lines and thin grid lines; the rough grid lines are radial and are connected with the current lead-out electrodes; the fine grid lines are connected with the rough grid lines and are distributed in a vine-shaped mode along the rough grid lines; the rough grid lines and the fine grid lines form electric conducting units centering on the current lead-out electrodes which are more than one and are uniformly distributed on the solar battery piece. The frontage electrode structure can improve the light utilization and electron collecting ratio of the solar battery piece effectively, also can reduce the using amount of noble metal silver paste materials effectively, and can lower the manufacturing cost of the solar battery piece.
Description
Technical field
The present invention relates to technical field of solar batteries, be specifically related to a kind of front electrode of solar battery structure and cell piece and assembly.
Background technology
Electrode of solar battery is being undertaken and is being collected the electric current produce and with the task of its derivation, because of technical reason, front electrode of solar battery adopts the silver slurry at present more, silver is precious metal, present design to reduce the consumption of silver slurry, reduces cost with the segmentation of main grid line.
Yet after the segmentation of main grid line, thin grid line still arranges with the main grid line is vertical, causes the electric current collection effect not good enough, and the present invention is head it off effectively.
Summary of the invention
Purpose of the present invention provides a kind of front electrode of solar battery structure and cell piece and assembly for defects exactly, this positive electrode structure can improve light utilization and the electron collection rate of solar battery sheet effectively, and can effectively reduce the usage quantity of noble silver slurry, reduce the cost of manufacture of solar battery sheet.
A kind of front electrode of solar battery structure of the present invention and cell piece and component technology scheme are, this electrode structure at right side comprises electric current leadout electrode and current collection electrode, described current collection electrode is linear, comprise thick grid line and thin grid line, thick grid line is radial and links to each other with the electric current leadout electrode, thin grid line is connected with thick grid line, and thin grid line is the vein shape along thick grid line and distributes, and thick grid line, thin grid line form conductive unit centered by the electric current leadout electrode; The electric current leadout electrode is more than one, evenly arranges with on solar battery sheet.
Each electric current leadout electrode connects and is connected with 8 thick grid lines, and thick grid line is radial and is evenly distributed on around the electric current leadout electrode.
It is symmetrical between thin grid line and the thick grid line to be that 20-30 degree angle is the vein shape, and centered by the electric current leadout electrode, to disperse direction consistent with thick grid line.
The electric current leadout electrode is a kind of in rectangle, circle, polygon or the irregular figure.
The cell piece of the front electrode of solar battery structure that a kind of front electrode is above-mentioned.
The assembly that a kind of above-mentioned cell piece is made, the electric current leadout electrode on the cell piece front electrode directly links to each other with welding when component package, and electric current is derived.
The invention has the beneficial effects as follows: this electrode of solar battery structure is saved usage of sizing agent, reduce cost of manufacture, and arrive electric current leadout electrode shortest path principle according to each point on the cell piece and come design current passive electrode layout, and according to the electric current of current collection electrode according to its carrying, design its width.Derive the factor design electric current leadout electrodes such as ability and shading rate according to electric current.During component package, welding directly links to each other with the electric current leadout electrode, and electric current is derived, and is therefore when component package, consistent with the weld assembly flow process of routine, do not increase any cost.
Description of drawings:
Figure 1 shows that electrode of solar battery structural representation of the present invention;
Figure 2 shows that prior art solar battery structure schematic diagram.
Among the figure, 101. electric current leadout electrodes, 102. thick grid lines, 103. thin grid lines, 104. certain electric current produces point, 105. produce the nearest thick grid line of point with certain electric current, and 106. produce the nearest thin grid line of point with certain electric current, 201. segmented electrode, 202. main grid lines, 203. secondary grid lines.
Embodiment:
In order to understand better the present invention, below in conjunction with accompanying drawing and example technical scheme of the present invention is described, but the present invention is not limited thereto.
Shown in Figure 2 such as Figure of description, be existing a kind of segmented electrode of solar battery structure, main grid line 202 is segmented electrode 201, secondary grid line distributes perpendicular to the main grid line.The electric current of certain point must vertically arrive first the main grid line on the cell piece of this segmented electrode of solar battery, and then arrives segmented electrode, and the path of electric current process is longer, and therefore string hinders relatively high.
A kind of front electrode of solar battery structure of the present invention and cell piece, this electrode structure at right side comprises electric current leadout electrode 101 and current collection electrode, described current collection electrode is linear, comprise thick grid line 102 and thin grid line 103, thick grid line 102 is radial and links to each other with electric current leadout electrode 101, thin grid line 103 is connected with thick grid line 102, and thin grid line 103 is the vein shape along thick grid line 102 and distributes, and thick grid line 102, thin grid line 103 form conductive unit centered by electric current leadout electrode 101; Electric current leadout electrode 101 is more than one, evenly arranges with on solar battery sheet.
Each electric current leadout electrode connects and is connected with 8 thick grid lines 102, and thick grid line 102 is radial and is evenly distributed on around the electric current leadout electrode 101.
It is symmetrical between thin grid line 103 and the thick grid line 102 to be that 20-30 degree angle is the vein shape, and centered by electric current leadout electrode 101, to disperse direction consistent with thick grid line 102.
Electric current leadout electrode 101 is a kind of in rectangle, circle, polygon or the irregular figure.
The cell piece of the front electrode of solar battery structure that a kind of front electrode is above-mentioned.
The assembly that a kind of above-mentioned cell piece is made, the electric current leadout electrode 101 on the cell piece front electrode directly links to each other with welding when component package, and electric current is derived.
Embodiment 1
Solar battery sheet is the square plate of 156mm*156mm, and electric current leadout electrode 101 is set to the rectangular shape of 1.3mm*6mm, evenly arranges according to the form of four lines three row, and with electric current leadout electrode center calculation, line space is 39mm, and column pitch is 52mm.Thick grid line 102 width are set to 100 microns, and thin grid line 103 width are set to 50 microns, and the angle between thick grid line 102 and the thin grid line 103 is 20 degree.It is current generated as example to produce point 104 take certain electric current, sees also Figure of description Fig. 1, and certain electric current produces point 104 electric currents that produce must vertical the arrival with certain electric current of line produce the nearest thick grid line 105 of point, and then arrives electric current leadout electrode 101.And certain electric current produces the thin grid line 106 that 104 electric current that produce arrives first and certain electric current generation point is nearest among the present invention, then the nearest thin grid line of point 106 arrives and certain electric current produces the nearest thick grid line 105 of point along producing with certain electric current, then arrives electric current leadout electrode 101 along producing a nearest thick grid line 105 with certain electric current.Electric current can arrive the electric current leadout electrode through short route among the present invention, has therefore reduced the series resistance of battery, has improved unit for electrical property parameters.Design parameter numerical value is preferably arranged.During component package, welding directly links to each other with electric current leadout electrode 101, and electric current is derived, and is therefore when component package, consistent with the weld assembly flow process of routine, do not increase any cost.
Embodiment 2
Solar battery sheet is the square plate of 156mm*156mm, and it is round-shaped that electric current leadout electrode 301 is set to diameter 1.3mm, evenly arranges according to the form of four lines four row, and with electric current leadout electrode center calculation, line space is 39mm, and column pitch is 39mm.Thick grid line 302 width are set to 100 microns, and thin grid line 303 width are set to 50 microns, and the angle between thick grid line 302 and the thin grid line 303 is 22.5 degree.Identical with embodiment 1, electric current can arrive the electric current leadout electrode through short route among the present invention, has therefore reduced the series resistance of battery, has improved unit for electrical property parameters.During component package, welding directly links to each other with electric current leadout electrode 101, and electric current is derived, and is therefore when component package, consistent with the weld assembly flow process of routine, do not increase any cost.
Claims (6)
1. front electrode of solar battery structure, it is characterized in that, comprise electric current leadout electrode and current collection electrode, described current collection electrode is linear, comprise thick grid line and thin grid line, thick grid line is radial and links to each other with the electric current leadout electrode, and thin grid line is connected with thick grid line, thin grid line is the vein shape along thick grid line and distributes, and thick grid line, thin grid line form conductive unit centered by the electric current leadout electrode; The electric current leadout electrode is more than one, evenly arranges with on solar battery sheet.
2. front electrode of solar battery structure according to claim 1, it is characterized in that: each electric current leadout electrode is connected with 8 thick grid lines, and thick grid line is radial and is evenly distributed on around the electric current leadout electrode.
3. front electrode of solar battery structure according to claim 1 is characterized in that: it is symmetrical between thin grid line and the thick grid line to be that 20-30 degree angle is the vein shape, and centered by the electric current leadout electrode, to disperse direction consistent with thick grid line.
4. front electrode of solar battery structure according to claim 1 is characterized in that: the electric current leadout electrode is a kind of in rectangle, circle, polygon or the irregular figure.
5. the cell piece of a front electrode such as the arbitrary described front electrode of solar battery structure of claim 1-4.
6. the assembly that cell piece as claimed in claim 5 is made is characterized in that the electric current leadout electrode on the cell piece front electrode directly links to each other with welding, and electric current is derived when component package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105269481A CN102969369A (en) | 2012-12-10 | 2012-12-10 | Solar battery frontage electrode structure as well as battery piece and component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105269481A CN102969369A (en) | 2012-12-10 | 2012-12-10 | Solar battery frontage electrode structure as well as battery piece and component |
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| CN102969369A true CN102969369A (en) | 2013-03-13 |
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| CN2012105269481A Pending CN102969369A (en) | 2012-12-10 | 2012-12-10 | Solar battery frontage electrode structure as well as battery piece and component |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325876A (en) * | 2013-06-24 | 2013-09-25 | 英利集团有限公司 | Solar battery component |
| CN103346174A (en) * | 2013-06-24 | 2013-10-09 | 英利集团有限公司 | Solar cell and solar cell assembly |
| CN103887358A (en) * | 2014-03-13 | 2014-06-25 | 中国科学院电工研究所 | Arrangement method of photovoltaic cell gate lines |
| CN103972309A (en) * | 2014-05-27 | 2014-08-06 | 中利腾晖光伏科技有限公司 | Solar cell electrode and solar cell |
| CN107369727A (en) * | 2017-06-26 | 2017-11-21 | 中节能太阳能科技（镇江）有限公司 | A kind of crystal silicon solar batteries piece |
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| US20110254117A1 (en) * | 2008-12-08 | 2011-10-20 | Arizona Board Of Regents, Acting For And On Behalf Of Arizona State University | Electrical Devices Including Dendritic Metal Electrodes |
| CN102403373A (en) * | 2011-11-09 | 2012-04-04 | 江西赛维Ldk太阳能高科技有限公司 | Solar cell slice, solar cell string and solar cell module |
| CN202434532U (en) * | 2011-12-23 | 2012-09-12 | 昆山允升吉光电科技有限公司 | Positive electrode grid line structure for solar cell |
| CN203179903U (en) * | 2012-12-10 | 2013-09-04 | 山东力诺太阳能电力股份有限公司 | Solar energy cell front side electrode structure, cell sheet and assembly |
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2012
- 2012-12-10 CN CN2012105269481A patent/CN102969369A/en active Pending
Patent Citations (5)
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| US6573445B1 (en) * | 1998-11-23 | 2003-06-03 | Stichting Energieonderzoek Centrum Nederland | Method for manufacturing a metallization pattern on a photovoltaic cell |
| US20110254117A1 (en) * | 2008-12-08 | 2011-10-20 | Arizona Board Of Regents, Acting For And On Behalf Of Arizona State University | Electrical Devices Including Dendritic Metal Electrodes |
| CN102403373A (en) * | 2011-11-09 | 2012-04-04 | 江西赛维Ldk太阳能高科技有限公司 | Solar cell slice, solar cell string and solar cell module |
| CN202434532U (en) * | 2011-12-23 | 2012-09-12 | 昆山允升吉光电科技有限公司 | Positive electrode grid line structure for solar cell |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325876A (en) * | 2013-06-24 | 2013-09-25 | 英利集团有限公司 | Solar battery component |
| CN103346174A (en) * | 2013-06-24 | 2013-10-09 | 英利集团有限公司 | Solar cell and solar cell assembly |
| CN103325876B (en) * | 2013-06-24 | 2016-08-24 | 英利集团有限公司 | Solar module |
| CN103346174B (en) * | 2013-06-24 | 2016-12-28 | 英利集团有限公司 | Solaode and solar module |
| CN103887358A (en) * | 2014-03-13 | 2014-06-25 | 中国科学院电工研究所 | Arrangement method of photovoltaic cell gate lines |
| CN103972309A (en) * | 2014-05-27 | 2014-08-06 | 中利腾晖光伏科技有限公司 | Solar cell electrode and solar cell |
| CN103972309B (en) * | 2014-05-27 | 2016-06-29 | 中利腾晖光伏科技有限公司 | A kind of electrode of solar battery and solaode |
| CN107369727A (en) * | 2017-06-26 | 2017-11-21 | 中节能太阳能科技（镇江）有限公司 | A kind of crystal silicon solar batteries piece |
| CN107369727B (en) * | 2017-06-26 | 2018-12-25 | 中节能太阳能科技（镇江）有限公司 | A kind of crystal silicon solar batteries piece |
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Application publication date: 20130313 |