CN207381414U - Gradual change type lamination solar cell positive electrode structure - Google Patents
Gradual change type lamination solar cell positive electrode structure Download PDFInfo
- Publication number
- CN207381414U CN207381414U CN201721167723.6U CN201721167723U CN207381414U CN 207381414 U CN207381414 U CN 207381414U CN 201721167723 U CN201721167723 U CN 201721167723U CN 207381414 U CN207381414 U CN 207381414U
- Authority
- CN
- China
- Prior art keywords
- main grid
- frame line
- chamfering
- gradual change
- positive electrode
- 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.)
- Active
Links
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a kind of gradual change type lamination solar cell positive electrode structure, including stacked wafer moudle, if stacked wafer moudle is cut into slices including dry cell, the cathode of the anode connection adjacent cell section of battery section, the positive electrode surface printing main grid of battery section and several secondary grid, adjacent secondary grid are arranged in parallel, main grid is vertically connected on an end of secondary grid, the both ends of main grid are respectively equipped with chamfering frame line, chamfering frame line forms angle of inclination with main grid, chamfering frame line uses gradual change type structure, and the width of chamfering frame line is gradually reduced from nearly main grid end to remote main grid end；This kind of gradual change type lamination solar cell positive electrode structure, by chamfering frame line using gradual change type structure, the width of chamfering frame line is gradually reduced from nearly main grid end to remote main grid end, can reduce power loss at chamfering, increases transfer efficiency.
Description
Technical field
The utility model is related to a kind of gradual change type lamination solar cell positive electrode structures.
Background technology
Conventional fossil fuel is increasingly depleted, and in existing sustainable energy, solar energy is undoubtedly a kind of most clear
Clean, most universal and most potential alternative energy source.Device of solar generating is also known as solar cell or photovoltaic cell, can incite somebody to action
Solar energy is directly changed into electric energy, and electricity generating principle is the photovoltaic effect based on semiconductor PN knots.
Develop with technology, due to conventional batteries piece since welding manner causes component power loss larger；Cell piece is cut
If after being cut into dry plate, being manufactured into stacked wafer moudle, this connection mode can greatly reduce component power loss；Due to laminated batteries figure
Particularity, cell piece both ends are respectively there are one main grid, and electric current need to collect so far main grid at chamfering, at existing solar cell chamfering
The same width of grid line, because electric current is collected to frame and then connection main grid by secondary grid at chamfering, current capacity is larger at chamfering, conventional
Design is so that power loss is serious.
The above problem is should to pay attention to and solve in the design process of lamination solar cell positive electrode structure
Problem.
Utility model content
The purpose of this utility model is to provide a kind of gradual change type lamination solar cell positive electrode structure and solves the prior art
Present at chamfering electric current need to collect so far main grid, the same width of grid line at existing solar cell chamfering, because electric at chamfering
Stream is collected to frame by secondary grid and then connects main grid, and current capacity is larger at chamfering, and conventional design so that power loss is serious
Problem.
The technical solution of the utility model is：
A kind of gradual change type lamination solar cell positive electrode structure, including stacked wafer moudle, if stacked wafer moudle includes dry cell
Section, the cathode of the anode connection adjacent cell section of battery section, the positive electrode surface printing main grid of battery section and several pairs
Grid, adjacent secondary grid are arranged in parallel, and main grid is vertically connected on an end of secondary grid, and the both ends of main grid are respectively equipped with chamfering frame
Line, chamfering frame line form angle of inclination with main grid, and chamfering frame line uses gradual change type structure, and the width of chamfering frame line is by near
Main grid end is gradually reduced to remote main grid end.
Further, chamfering frame line uses trapezoidal, wedge-shaped or circular arc type grading profile.
Further, the angle of chamfering frame line and main grid is in the range of 135 ± 5 °.
Further, the secondary grid at the chamfering of battery section are all connected on chamfering frame line.
Further, the width at the remote main grid end of chamfering frame line is 0-0.1mm, the width at nearly main grid end is 0.1-1mm.
The beneficial effects of the utility model are：This kind of gradual change type lamination solar cell positive electrode structure, passes through bevel edge
Wire uses gradual change type structure, and the width of chamfering frame line is gradually reduced from nearly main grid end to remote main grid end, can reduce chamfering
Locate power loss, increase transfer efficiency.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment gradual change type lamination solar cell positive electrode structure；
Fig. 2 is the structure diagram of chamfering frame line in the utility model embodiment；
Wherein：1- batteries are cut into slices, 2- main grids, 3- pair grid, 4- chamfering frame lines.
Specific embodiment
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment
A kind of gradual change type lamination solar cell positive electrode structure, such as Fig. 1 and Fig. 2, including stacked wafer moudle, stacked wafer moudle bag
If including dry cell section 1, the cathode of the anode connection adjacent cell section 1 of battery section 1, the positive electrode surface print of battery section 1
Brush main grid 2 and several secondary grid 3, adjacent secondary grid 3 are arranged in parallel, and main grid 2 is vertically connected on an end of secondary grid 3, main grid 2
Both ends are respectively equipped with chamfering frame line 4, and chamfering frame line 4 forms angle of inclination with main grid 2, and chamfering frame line 4 uses gradual change type
Structure, the width of chamfering frame line 4 are gradually reduced from nearly 2 end of main grid to remote 2 end of main grid.
This kind of gradual change type lamination solar cell positive electrode structure uses gradual change type structure, chamfering by chamfering frame line 4
The width of frame line 4 is gradually reduced from nearly 2 end of main grid to remote 2 end of main grid, can reduce power loss at chamfering, increases conversion effect
Rate.
In embodiment, chamfering frame line 4 preferably uses trapezoidal, wedge-shaped or circular arc type grading profile.Chamfering frame line 4 and master
The angle of grid 2 is in the range of 135 ± 5 °.Secondary grid 3 at the chamfering of battery section 1 are all connected on chamfering frame line 4.Bevel edge
The width at the remote main grid end of wire 4 is 0-0.1mm, the width at nearly main grid end is 0.1-1mm.
Claims (5)
1. a kind of gradual change type lamination solar cell positive electrode structure, including stacked wafer moudle, if stacked wafer moudle is cut including dry cell
Piece, the cathode of the anode connection adjacent cell section of battery section, the positive electrode surface printing main grid of battery section and several secondary grid,
Adjacent secondary grid are arranged in parallel, and main grid is vertically connected on an end of secondary grid, it is characterised in that：The both ends of main grid are respectively equipped with
Chamfering frame line, chamfering frame line form angle of inclination with main grid, and chamfering frame line uses gradual change type structure, chamfering frame line
Width is gradually reduced from nearly main grid end to remote main grid end.
2. gradual change type lamination solar cell positive electrode structure as described in claim 1, it is characterised in that：Chamfering frame line is adopted
With trapezoidal, wedge-shaped or circular arc type grading profile.
3. gradual change type lamination solar cell positive electrode structure as claimed in claim 2, it is characterised in that：Chamfering frame line with
The angle of main grid is in the range of 135 ± 5 °.
4. such as claim 1-3 any one of them gradual change type lamination solar cell positive electrode structures, it is characterised in that：Battery
Secondary grid at the chamfering of section are all connected on chamfering frame line.
5. such as claim 1-3 any one of them gradual change type lamination solar cell positive electrode structures, it is characterised in that：Chamfering
The width at the remote main grid end of frame line is 0-0.1mm, the width at nearly main grid end is 0.1-1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721167723.6U CN207381414U (en) | 2017-09-13 | 2017-09-13 | Gradual change type lamination solar cell positive electrode structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721167723.6U CN207381414U (en) | 2017-09-13 | 2017-09-13 | Gradual change type lamination solar cell positive electrode structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207381414U true CN207381414U (en) | 2018-05-18 |
Family
ID=62340575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721167723.6U Active CN207381414U (en) | 2017-09-13 | 2017-09-13 | Gradual change type lamination solar cell positive electrode structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207381414U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112231A (en) * | 2019-04-24 | 2019-08-09 | 天津爱旭太阳能科技有限公司 | A kind of solar energy imbrication battery component and preparation method thereof |
| CN114695574A (en) * | 2022-04-27 | 2022-07-01 | 浙江爱康光电科技有限公司 | Heterojunction battery piece without main grid |
-
2017
- 2017-09-13 CN CN201721167723.6U patent/CN207381414U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112231A (en) * | 2019-04-24 | 2019-08-09 | 天津爱旭太阳能科技有限公司 | A kind of solar energy imbrication battery component and preparation method thereof |
| CN114695574A (en) * | 2022-04-27 | 2022-07-01 | 浙江爱康光电科技有限公司 | Heterojunction battery piece without main grid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103426940B (en) | A kind of staggered back contacts IBC solar battery sheet electrode structure | |
| EP3190629A1 (en) | High-efficiency n-type double-sided solar cell | |
| CN106449834B (en) | A kind of two-sided PERC solar cell backs face grid line structure | |
| CN106252445B (en) | A kind of grid line structure in two-sided PERC solar cell back face | |
| CN103633661A (en) | New energy power generation system and distributed mixing maximum power tracking method | |
| CN207381414U (en) | Gradual change type lamination solar cell positive electrode structure | |
| CN102403374A (en) | Solar cell plate, solar cell string and solar cell assembly | |
| WO2014090009A1 (en) | Electrode structure of solar cell plate | |
| CN207381413U (en) | Lamination solar cell positive electrode structure | |
| CN206650088U (en) | A kind of MWT photovoltaic modulies insulating barrier | |
| CN206194768U (en) | Two -sided PERC solar wafer back bars line knot constructs | |
| CN202384349U (en) | Silicon-based heterojunction solar battery | |
| CN103997288A (en) | Concentrating solar cell | |
| CN208014711U (en) | A kind of p-type IBC electrode of solar battery structures | |
| CN211700304U (en) | Six main grid photovoltaic module | |
| CN103268892A (en) | Large-current concentrating photovoltaic battery | |
| CN203386766U (en) | Electrode grid line structure of crystalline silicon solar cell | |
| CN207602583U (en) | The gate line electrode structure and solar cell of a kind of solar cell | |
| CN207425873U (en) | A kind of double side photovoltaic battery component | |
| CN207458969U (en) | A kind of raising component power battery piece device | |
| CN201638829U (en) | Amorphous silicon solar battery component | |
| CN103996731A (en) | High-efficiency concentrating solar battery piece | |
| CN203277398U (en) | Photovoltaic cell piece positive electrode screen grid line structure | |
| CN206293455U (en) | A kind of grid line structure in two-sided PERC solar cell backs face | |
| CN102832273B (en) | A kind of high-efficiency solar photovoltaic battery sheet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |