CN203406295U - Grid line electrode of solar cell, the solar cell and solar cell panel - Google Patents

Grid line electrode of solar cell, the solar cell and solar cell panel Download PDF

Info

Publication number
CN203406295U
CN203406295U CN201320366142.0U CN201320366142U CN203406295U CN 203406295 U CN203406295 U CN 203406295U CN 201320366142 U CN201320366142 U CN 201320366142U CN 203406295 U CN203406295 U CN 203406295U
Authority
CN
China
Prior art keywords
grid line
solar battery
thin grid
auxiliary
thin
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.)
Expired - Fee Related
Application number
CN201320366142.0U
Other languages
Chinese (zh)
Inventor
张红妹
马红娜
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.)
Yingli Group Co Ltd
Original Assignee
Yingli Group 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 Yingli Group Co Ltd filed Critical Yingli Group Co Ltd
Priority to CN201320366142.0U priority Critical patent/CN203406295U/en
Application granted granted Critical
Publication of CN203406295U publication Critical patent/CN203406295U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Electrodes Of Semiconductors (AREA)

Abstract

The utility model provides a grid line electrode of a solar cell, the solar cell and a solar cell panel. The grid line electrode of the solar cell comprises a plurality of thin grid lines (10) which are parallel to one another. Auxiliary grid lines (20) are connected between two adjacent thin grid lines (10). The grid line electrode of the solar cell can have the electrons on the broken parts of the thin grid lines gathered on conductive adhesive tape. The conversion efficiency of the solar battery is thus improved.

Description

The gate line electrode of solar battery sheet, solar battery sheet and solar panel
Technical field
The utility model relates to technical field of solar batteries, in particular to a kind of gate line electrode, solar battery sheet and solar panel of solar battery sheet.
Background technology
As shown in Figure 1, in prior art, silicon chip 1 in solar battery sheet ' the gate line electrode of sensitive surface comprise many thin grid lines 10 that be arranged in parallel '.Thin grid line 10 ' for collect silicon chip 1 ' the electronics that produces of sensitive surface, the electronics of thin grid line 10 ' collection is pooled in conductive tape (not shown) and by conductive tape and is transported to outside.
Between a plurality of solar battery sheets, by conductive tape, be connected and be connected into solar panel, above-mentioned conductive tape and silicon chip 1 ' each thin grid line 10 ' be all connected.In the process of printing grid line, every thin grid line 10 ' very little and each thin grid line 10 of width ' be not all in contact with one another, therefore, thin grid line 10 ' may occur fracture, thin grid line 10 ' breaking portion cannot be by the electron transport of collecting to conductive tape, thereby reduced the conversion efficiency of solar cell.
Utility model content
The utility model aims to provide a kind of gate line electrode, solar battery sheet and solar panel that can improve the solar battery sheet of solar cell conversion efficiency.
To achieve these goals, according to an aspect of the present utility model, provide a kind of gate line electrode of solar battery sheet, comprised many thin grid lines that are parallel to each other, between adjacent two thin grid lines, be connected with auxiliary grid line.
Further, the width of auxiliary grid line is identical with the width of thin grid line.
Further, auxiliary grid line is vertical with thin grid line.
Further, gate line electrode of the present utility model also comprises a plurality of auxiliary grid line groups, a plurality of auxiliary grid line groups are arranged in parallel and are perpendicular with thin grid line, each auxiliary grid line group is all connected with each thin grid line, and each auxiliary grid line group comprises along same straight line extends and many auxiliary grid lines connected to one another.
Further, auxiliary grid line group is positioned at the middle part of each thin grid line, and auxiliary grid line group also comprises end grid line, and end grid line is arranged in the outside of the thin grid line that is positioned at two ends of many thin grid lines.
Further, the quantity of auxiliary grid line group equates with thin grid line quantity.
Further, the quantity of auxiliary grid line group is two groups, and two groups of auxiliary grid line groups are by each thin grid line trisection.
Further, three thin grid lines that set gradually in many thin grid lines comprise the first thin grid line, the second thin grid line and the 3rd thin grid line, auxiliary grid line comprises the first auxiliary grid line and the second auxiliary grid line, the first auxiliary grid line is connected between the first thin grid line and the second thin grid line, the second auxiliary grid line is connected between the second thin grid line and the 3rd thin grid line and with respect to the first auxiliary grid line and shifts to install, and the first auxiliary grid line and the second auxiliary grid line are by the second thin grid line trisection.
According on the other hand of the present utility model, a kind of solar battery sheet is provided, comprise silicon chip and be arranged on the gate line electrode on silicon chip sensitive surface, gate line electrode is the gate line electrode of above-mentioned solar battery sheet.
According on the other hand of the present utility model, a kind of solar panel is provided, comprise a plurality of solar battery sheets, a plurality of solar battery sheets connect by conductive tape, and solar battery sheet is above-mentioned solar battery sheet.
Application the technical solution of the utility model, owing to being connected with auxiliary grid line between adjacent two thin grid lines.Therefore,, if breaking portion appears in many thin grid lines that are parallel to each other in thin grid line, the electronics that breaking portion is collected cannot be pooled on conductive tape.Now, above-mentioned breaking portion is connected with adjacent thin grid line by auxiliary grid line, and the electronics that above-mentioned breaking portion is collected is pooled on conductive tape by adjacent thin grid line.The gate line electrode of solar battery sheet of the present utility model can be pooled to conductive tape by the electronics of thin grid line breaking portion, and then improves the conversion efficiency of solar cell.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows according to the master of the embodiment of the gate line electrode of the solar battery sheet of prior art and looks schematic diagram;
Fig. 2 shows according to the master of the embodiment mono-of the gate line electrode of solar battery sheet of the present utility model and looks schematic diagram;
Fig. 3 shows according to the master of the embodiment bis-of the gate line electrode of solar battery sheet of the present utility model and looks schematic diagram; And
Fig. 4 shows according to the master of the embodiment tri-of the gate line electrode of solar battery sheet of the present utility model and looks schematic diagram.
Wherein, the Reference numeral in above-mentioned figure is as follows:
10, thin grid line; 11, the first thin grid line; 12, the second thin grid line; 13, the 3rd thin grid line; 20, auxiliary grid line; 21, the first auxiliary grid line; 22, the second auxiliary grid line; 23, end grid line.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 2, the gate line electrode of the solar battery sheet of the present embodiment one comprises many thin grid lines 10 that are parallel to each other, and is connected with auxiliary grid line 20 between adjacent two thin grid lines 10.
The technical scheme of application the present embodiment one, owing to being connected with auxiliary grid line 20 between adjacent two thin grid lines 10.Therefore,, if breaking portion appears in many thin grid lines 10 of of being parallel to each other in thin grid line 10, the electronics that breaking portion is collected cannot be pooled on conductive tape.Now, above-mentioned breaking portion is connected with adjacent thin grid line 10 by auxiliary grid line 20, and the electronics that above-mentioned breaking portion is collected is pooled on conductive tape by adjacent thin grid line 10.The gate line electrode of the solar battery sheet of embodiment mono-can be pooled to conductive tape by the electronics of breaking portion, and then improves the conversion efficiency of solar cell.
In the present embodiment one, the width of auxiliary grid line 20 is identical with the width of thin grid line 10.Said structure is not only easy to process, and saves slurry.Certainly, as feasible execution mode, auxiliary grid line 20 also can adopt the arbitrary suitable width dimensions of the width that is different from thin grid line 10.
As shown in Figure 2, in the present embodiment one, auxiliary grid line 20 is vertical with thin grid line 10.Said structure makes the length of the auxiliary grid line 20 between adjacent two thin grid lines 10 the shortest, like this, has saved slurry.
As shown in Figure 2, the gate line electrode of the present embodiment one also comprises a plurality of auxiliary grid line groups, a plurality of auxiliary grid line groups are arranged in parallel and are perpendicular with thin grid line 10, each auxiliary grid line group is all connected with each thin grid line 10, and each auxiliary grid line group comprises along same straight line extends and many auxiliary grid lines 20 connected to one another.That is to say, many auxiliary grid lines 20 connect into straight line, and this straight line is all connected with each thin grid line 10.Said structure has increased the tension force of each thin grid line 10, therefore, not only makes each thin grid line 10 be not easy to produce breaking portion, and has increased the useful life of the gate line electrode of the present embodiment one.
As shown in Figure 2, in the present embodiment one, auxiliary grid line group is positioned at the middle part of each thin grid line 10, and auxiliary grid line group also comprises end grid line 23, and end grid line 23 is arranged in the outside of the thin grid line 10 that is positioned at two ends of many thin grid lines 10.Said structure has further improved the tension force of the thin grid line 10 that is positioned at two ends in many thin grid lines 10, has increased the useful life of the gate line electrode of the present embodiment one.
As shown in Figure 2, in the present embodiment one, the quantity of auxiliary grid line group equates with thin grid line 10 quantity.Because the auxiliary grid line group extending longitudinally equates with the quantity of the thin grid line 10 extending transversely, not only make the tension distribution of whole gate line electrode more even, further increase the useful life of the gate line electrode of the present embodiment one, and improved the probability of breaking portion derivation electronics on thin grid line 10.
As shown in Figure 3, at the gate line electrode of the present embodiment two and the difference of embodiment mono-, be, the quantity of auxiliary grid line group is two groups, assists grid line groups by each thin grid line 10 trisections, and end grid line 23 is not set for two groups.Like this, the middle part of above-mentioned each thin grid line 10 has two positions of deriving electronics, and these two positions of deriving electronics, by thin grid line 10 trisections, have been improved the breaking portion at thin grid line 10 middle parts and derived the probability of electronics, and saved slurry.
As shown in Figure 4, at the gate line electrode of the present embodiment three and the difference of above-described embodiment, be, three thin grid lines that set gradually in many thin grid lines 10 comprise the first thin grid line 11, the second thin grid line 12 and the 3rd thin grid line 13, auxiliary grid line 20 comprises the first auxiliary grid line 21 and the second auxiliary grid line 22, the first auxiliary grid line 21 is connected between the first thin grid line 11 and the second thin grid line 12, the second auxiliary grid line 22 is connected between the second thin grid line 12 and the 3rd thin grid line 13 and with respect to the first auxiliary grid line 21 and shifts to install, the first auxiliary grid line 21 and the second auxiliary grid line 22 are by the second thin grid line 12 trisections.Said structure, with respect to embodiment bis-, has been saved slurry.
The solar battery sheet (not shown) of the present embodiment comprises silicon chip and is arranged on the gate line electrode on silicon chip sensitive surface, and gate line electrode is the gate line electrode of above-mentioned solar battery sheet.
The solar panel (not shown) of the present embodiment comprises a plurality of solar battery sheets, and a plurality of solar battery sheets connect by conductive tape, and solar battery sheet is above-mentioned solar battery sheet.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.

Claims (7)

1. the gate line electrode of a solar battery sheet, comprise many thin grid lines (10) that are parallel to each other, it is characterized in that, between adjacent two described thin grid lines (10), be connected with auxiliary grid line (20), described gate line electrode also comprises a plurality of auxiliary grid line groups, a plurality of described auxiliary grid line groups are arranged in parallel and are perpendicular with described thin grid line (10), described in each, auxiliary grid line group is all connected with thin grid line (10) described in each, described in each, auxiliary grid line group comprises along same straight line extension many described auxiliary grid lines connected to one another (20), described auxiliary grid line group is positioned at the middle part of thin grid line (10) described in each, described auxiliary grid line group also comprises end grid line (23), described end grid line (23) is arranged in the outside of the described thin grid line (10) that is positioned at two ends of many described thin grid lines (10).
2. the gate line electrode of solar battery sheet according to claim 1, is characterized in that, the width of described auxiliary grid line (20) is identical with the width of described thin grid line (10).
3. the gate line electrode of solar battery sheet according to claim 1, is characterized in that, described auxiliary grid line (20) is vertical with described thin grid line (10).
4. the gate line electrode of solar battery sheet according to claim 1, is characterized in that, the quantity of described auxiliary grid line group equates with described thin grid line (10) quantity.
5. the gate line electrode of solar battery sheet according to claim 1, is characterized in that, the quantity of described auxiliary grid line group is two groups, and described in two groups, auxiliary grid line group is by thin grid line (10) trisection described in each.
6. a solar battery sheet, comprises silicon chip and is arranged on the gate line electrode on described silicon chip sensitive surface, and it is characterized in that, described gate line electrode is the gate line electrode of the solar battery sheet described in any one in claim 1 to 5.
7. a solar panel, comprises a plurality of solar battery sheets, and a plurality of described solar battery sheets connect by conductive tape, it is characterized in that, described solar battery sheet is solar battery sheet claimed in claim 6.
CN201320366142.0U 2013-06-24 2013-06-24 Grid line electrode of solar cell, the solar cell and solar cell panel Expired - Fee Related CN203406295U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320366142.0U CN203406295U (en) 2013-06-24 2013-06-24 Grid line electrode of solar cell, the solar cell and solar cell panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320366142.0U CN203406295U (en) 2013-06-24 2013-06-24 Grid line electrode of solar cell, the solar cell and solar cell panel

Publications (1)

Publication Number Publication Date
CN203406295U true CN203406295U (en) 2014-01-22

Family

ID=49942217

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320366142.0U Expired - Fee Related CN203406295U (en) 2013-06-24 2013-06-24 Grid line electrode of solar cell, the solar cell and solar cell panel

Country Status (1)

Country Link
CN (1) CN203406295U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107978646A (en) * 2016-10-17 2018-05-01 阿特斯阳光电力集团有限公司 Solar battery sheet and solar cell module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107978646A (en) * 2016-10-17 2018-05-01 阿特斯阳光电力集团有限公司 Solar battery sheet and solar cell module

Similar Documents

Publication Publication Date Title
CN102738257A (en) Low-cost efficient solar cell electrode grid line structure
CN203232878U (en) Solar cell front electrode structure
CN102610668A (en) Improved electrode structure of solar cell
MY169379A (en) Solar cell and solar cell module
CN203242641U (en) Solar cell grating line electrode, solar cell and solar cell panel
CN203644794U (en) Solar cell
CN203617305U (en) Grid line structure of solar cell
CN203406295U (en) Grid line electrode of solar cell, the solar cell and solar cell panel
CN203312308U (en) Gate line electrode of solar energy cell sheet, solar energy cell sheet and solar energy cell panel
CN103545386A (en) Solar cell electrode shape
CN203423194U (en) Electrode structure of solar cell
CN203351613U (en) Gate line electrode of solar cell, solar cell and solar cell panel
CN103762254A (en) Electrode grid line structure, solar battery piece with electrode grid line structure and module
CN202977431U (en) Polycrystalline silicon solar cell
CN203733815U (en) Multi-grid solar cell assembly
CN202839628U (en) Front electrode structure of solar cell
CN202977437U (en) Solar cell grid line electrode and solar cell piece
CN203377218U (en) Five-main grid solar crystalline silicon solar cell
CN202172072U (en) Electrode structure at right side of solar cell
CN202556882U (en) Positive electrode screen of solar cell
CN202142541U (en) Solar cell slice and solar-cell panel provided with same
US20140190549A1 (en) Solar cell and solar module
CN202423301U (en) Solar energy cell sheet and solar cell panel
CN202712200U (en) Positive electrode of solar cell sheet
CN203760489U (en) Electrode grid line structure

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140122

CU01 Correction of utility model
CU01 Correction of utility model

Correction item: Termination upon expiration of patent

Correct: Revocation of Patent Expiration and Termination

False: Expiration and Termination of 39 Volume 2801 Patent on July 11, 2023

Number: 28-01

Volume: 39

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140122