CN202796976U - Crystalline silicon solar cell - Google Patents
Crystalline silicon solar cell Download PDFInfo
- Publication number
- CN202796976U CN202796976U CN 201220319014 CN201220319014U CN202796976U CN 202796976 U CN202796976 U CN 202796976U CN 201220319014 CN201220319014 CN 201220319014 CN 201220319014 U CN201220319014 U CN 201220319014U CN 202796976 U CN202796976 U CN 202796976U
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- CN
- China
- Prior art keywords
- silver
- electrode structure
- piece body
- silicon solar
- cell body
- 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
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Abstract
The utility model discloses a crystalline silicon solar cell formed by cutting a cylindrical battery substrate, which comprises a regular hexagonal cell body, a positive electrode structure arranged on one side of the cell body, and a back electrode structure arranged on the other side of the cell body. The back electrode structure comprises a plurality of silver strips printed on the back surface of the cell body. The plurality of silver strips are arranged in two parallel rows. The cell body is made in the shape of a regular hexagon, so that the utilization rate of materials is improved. The waste of materials is reduced. Meanwhile, the plurality of silver strips arranged in two parallel rows, instead of two silver strips traditionally adopted in the prior art, are printed on back surface of the cell body. Therefore, the contact resistance is reduced and the consumption amount of silver paste is lowered. The cost is saved.
Description
Technical field
The utility model relates to a kind of crystal silicon solar cell sheet.
Background technology
Traditional crystal silicon solar cell sheet is generally the dead square that lacks four angles, the stock utilization of this kind mode is lower, and the back electrode structure of silk screen printing comprises two silver bars that are printed on the cell piece body back side in the prior art, article two, described silver bar almost runs through the back side of whole cell piece body, this kind back electrode structure is if run into the thinner situation of cell piece, because silver is different from the coefficient of expansion of silicon, so that thermal stress release is undesirable, can cause the cell piece body frangible.
The utility model content
The purpose of this utility model is to overcome the defective that exists in the prior art, and a kind of crystal silicon solar cell sheet is provided, and improves stock utilization, and reduces contact resistance, has reduced the use amount of silver-colored slurry.
For achieving the above object, the technical solution of the utility model has provided a kind of crystal silicon solar cell sheet, formed by the cutting of cylindrical battery substrate, comprise the positive electrode structure that is orthohexagonal cell piece body, is arranged at described cell piece body one side, the back electrode structure that is arranged at described cell piece body opposite side, described back electrode structure comprises the many silver bars that are printed on the cell piece body back side, and many described silver bars form two row and be arranged in parallel.
As preferably, the length of the described silver bar of every row is identical.
As preferably, described positive electrode structure comprises many thin silver bars and two thick silver bars, and many described thin silver bars parallel setting, and two described thick silver bars parallel setting, and described thick silver bar and described thin silver bar are perpendicular.
As preferably, the length of side of described cell piece body is the radius of described cell substrate.
Advantage of the present utility model and beneficial effect are: the cell piece body is made regular hexagon, improved the utilance of material, reduce the waste of material, and replace two traditional silver bars at a plurality of silver bars that are two column distributions of cell piece body back up, reduced contact resistance, and reduced the use amount of silver-colored slurry, saved cost.
Description of drawings
Fig. 1 is the utility model schematic rear view;
Fig. 2 is the utility model front schematic view.
Among the figure: 1, cell piece body; 2, silver bar; 3, thin silver bar; 4, thick silver bar.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is further described.Following examples only are used for the technical solution of the utility model more clearly is described, and can not limit protection range of the present utility model with this.
As shown in Figure 1 and Figure 2, a kind of crystal silicon solar cell sheet, formed by the cutting of cylindrical battery substrate, comprise the positive electrode structure that is orthohexagonal cell piece body 1, is arranged at described cell piece body 1 one sides, the back electrode structure that is arranged at described cell piece body 1 opposite side, described back electrode structure comprises the many silver bars 2 that are printed on cell piece body 1 back side, and many described silver bars 2 form two row and be arranged in parallel.
As shown in Figure 1, the length of the described silver bar 2 of every row is identical.
As shown in Figure 2, described positive electrode structure comprises many thin silver bars 3 and two thick silver bars 4, and many described thin silver bars 3 parallel setting, and two described thick silver bars 4 parallel setting, and described thick silver bar 4 and described thin silver bar 3 are perpendicular.
Without diagram, the length of side of described cell piece body 1 is the radius of described cell substrate.Be that the length of side of the cell piece body 1 that cuts of the cylindrical battery substrate of 150mm is 75mm such as diameter.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. crystal silicon solar cell sheet, formed by the cutting of cylindrical battery substrate, it is characterized in that: comprise the positive electrode structure that is orthohexagonal cell piece body, is arranged at described cell piece body one side, the back electrode structure that is arranged at described cell piece body opposite side, described back electrode structure comprises the many silver bars that are printed on the cell piece body back side, and many described silver bars form two row and be arranged in parallel.
2. crystal silicon solar cell sheet as claimed in claim 1, it is characterized in that: the length of the described silver bar of every row is identical.
3. crystal silicon solar cell sheet as claimed in claim 1, it is characterized in that: described positive electrode structure comprises many thin silver bars and two thick silver bars, many described thin silver bars parallel setting, two described thick silver bars parallel setting, and described thick silver bar and described thin silver bar are perpendicular.
4. crystal silicon solar cell sheet as claimed in claim 1, it is characterized in that: the length of side of described cell piece body is the radius of described cell substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319014 CN202796976U (en) | 2012-07-02 | 2012-07-02 | Crystalline silicon solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319014 CN202796976U (en) | 2012-07-02 | 2012-07-02 | Crystalline silicon solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796976U true CN202796976U (en) | 2013-03-13 |
Family
ID=47824178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220319014 Expired - Fee Related CN202796976U (en) | 2012-07-02 | 2012-07-02 | Crystalline silicon solar cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796976U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107978649A (en) * | 2017-12-21 | 2018-05-01 | 英利能源（中国）有限公司 | Solar cell module and photovoltaic power generation apparatus |
-
2012
- 2012-07-02 CN CN 201220319014 patent/CN202796976U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107978649A (en) * | 2017-12-21 | 2018-05-01 | 英利能源（中国）有限公司 | Solar cell module and photovoltaic power generation apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20170702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |