CN202871806U - Solar cell slice back electrode structure and solar cell slice possessing same - Google Patents
Solar cell slice back electrode structure and solar cell slice possessing same Download PDFInfo
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- CN202871806U CN202871806U CN 201220584775 CN201220584775U CN202871806U CN 202871806 U CN202871806 U CN 202871806U CN 201220584775 CN201220584775 CN 201220584775 CN 201220584775 U CN201220584775 U CN 201220584775U CN 202871806 U CN202871806 U CN 202871806U
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Abstract
The utility model relates to a solar cell electrode structure, and especially relates to a solar cell slice back electrode structure and a solar cell slice possessing the same. The solar cell slice back electrode structure includes a silicon chip. The back of the silicon chip is provided with two back electrodes which are arranged in parallel, the interval d1 between the two back electrodes is 62.5mm, and each back electrode is composed of multiple segmented electrodes which are arranged on the same straight line. The beneficial effects are that the solar cell slice back electrode structure divides the conventional continuous strip-shaped electrodes on the back of the solar cell slice into multiple independent segmented electrodes, so the silver paste consumption in the production process is reduced, the cost is saved, the cell conversion rate is improved, and the assembly welding demand is satisfied.
Description
Technical field
The utility model relates to the electrode of solar battery structure, relates in particular to a kind of solar cell back face electrode structure and the solar battery sheet of this structure is arranged.
Background technology
Solar panel is the core in the solar power system, also is to be worth the highest part in the solar power system.Its effect is to convert solar energy into electrical energy, or is sent in the storage battery and stores, or promotes loaded work piece.
Solar panel is generally formed by the solar battery sheet encapsulation, and the electrode of existing solar cell back face mainly is continuous strip, relatively waste is used to form the printing auxiliary material silver slurry of backplate, and the high battery conversion efficiency of cost is low, also is not easy to the location of assembly automatic welding.
The utility model content
The technical problems to be solved in the utility model is: the silver slurry consumes greatly in the prior art, cost is high, battery conversion efficiency is low, the technical problem of inconvenient automatic welding in order to solve, and the utility model provides a kind of solar cell back face electrode structure and the solar battery sheet of this structure is arranged.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of solar cell back face electrode structure, comprise silicon chip, the back side of described silicon chip is provided with two parallel backplates, spacing d1 between every backplate is 62.5mm, and every backplate is comprised of the segmented electrode of multistage on same straight line.
Further, preferred, described every backplate is comprised of 6 sections segmented electrodes on same straight line.
Further, particularly, the entire length of described each segmented electrode is 5～12mm, and width is 2～4mm.
Further, particularly, described 6 sections segmented electrodes are three pairs and distribute at same straight line, a pair of segmented electrode is comprised of two long segmented electrodes wherein, the two pairs of segmented electrodes in both sides are comprised of and the close silicon chip of the long segmented electrode outside a short segmented electrode and a long segmented electrode respectively, and the integral body of long segmented electrode (comprising antennule) length is 9～12mm, and width is 2～4mm, integral body (the comprising antennule) length of short segmented electrode is 5～11mm, and width is 2～4mm.
Further, particularly, the edge of described each segmented electrode is evenly distributed with the feeler of giving birth to extension.
Further, particularly, the length of described feeler is 0.25～0.5mm, and width is 0.25～0.5mm, and the spacing d2 between each feeler is 0.25～0.5mm.
Further, preferred, described silicon chip is the monocrystalline silicon piece that length and width are 125mm.
A kind of solar battery sheet that is provided with described solar cell back face electrode structure.
The beneficial effects of the utility model are, solar cell back face electrode structure of the present utility model, the electrode of the strip that existing solar cell back face is continuous is divided into a plurality of independently segmented electrodes, reduced the consumption of silver slurry in the production process, saved cost, it is low to have improved battery conversion efficiency, has satisfied the welding requirements of assembly.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of the optimum embodiment of the utility model.
Fig. 2 is the enlarged diagram of segmented electrode among Fig. 1.
Among the figure 1, silicon chip, 2, backplate, 2-1, segmented electrode, 2-1-1, feeler.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
Such as Fig. 1, shown in 2, the utility model embodiment 1, take the mm of 125*125(unit) monocrystalline silicon piece 1 be example, the back side of described silicon chip 1 is provided with two parallel backplates 2, article two, the spacing d1 between the backplate 2 is 62.5mm, every backplate 2 by 6 sections independently the segmented electrode 2-1 on same straight line form, namely three pairs at two segmented electrode 2-1 of the segmented electrode 2-1 on the same straight line and every pair also on same straight line, a pair of segmented electrode is comprised of two long segmented electrodes wherein, the two pairs of segmented electrodes in both sides are comprised of and close silicon chip 1 outside of long segmented electrode a short segmented electrode and a long segmented electrode respectively, the integral body of long segmented electrode (comprising antennule) length is 9～12mm, width is 2～4mm, integral body (the comprising antennule) length of short segmented electrode is 5～11mm, and width is 2～4mm.
The integral body of each long segmented electrode 2-1 (comprising antennule) length is 9mm, width is 3mm, integral body (the comprising antennule) length of each short segmented electrode 2-1 is 7mm, width is 3mm, the edge of each segmented electrode 2-1 is evenly distributed with the feeler 2-1-1 that gives birth to extension, the length of feeler 2-1-1 is 0.5mm, and width is 0.25mm, and the spacing d2 between each feeler 2-1-1 is 0.5mm.
A kind of solar battery sheet, the back side of described solar battery sheet is provided with the back electrode structure of solar battery sheet in the present embodiment 1.
The utility model embodiment 2, take the mm of 125*125(unit) monocrystalline silicon piece 1 be example, the spacing d1 that the back side of described silicon chip 1 is provided with between 2, two backplates 2 of two parallel backplates is
62.5mm, every backplate 2 by 6 sections independently the segmented electrode 2-1 on same straight line form, namely three pairs at two segmented electrode 2-1 of the segmented electrode 2-1 on the same straight line and every pair also on same straight line, a pair of segmented electrode is comprised of two long segmented electrodes wherein, the two pairs of segmented electrodes in both sides are comprised of and close silicon chip 1 outside of long segmented electrode a short segmented electrode and a long segmented electrode respectively, the integral body of long segmented electrode (comprising antennule) length is 9～12mm, width is 2～4mm, integral body (the comprising antennule) length of short segmented electrode is 5～11mm, and width is 2～4mm.
The integral body of each long segmented electrode 2-1 (comprising antennule) length is 11mm, width is 3mm, integral body (the comprising antennule) length of each short segmented electrode 2-1 is 10mm, width is 3mm, the edge of each segmented electrode 2-1 is evenly distributed with the feeler 2-1-1 that gives birth to extension, the length of feeler 2-1-1 is 0.3mm, and width is 0.4mm, and the spacing d2 between each feeler 2-1-1 is 0.4mm.
A kind of solar battery sheet, the back side of described solar battery sheet is provided with the back electrode structure of solar battery sheet in the present embodiment 2.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, the relevant staff can in the scope that does not depart from this utility model technological thought, carry out various change and modification fully.The technical scope of this utility model is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (8)
1. solar cell back face electrode structure, comprise silicon chip (1), it is characterized in that: the back side of described silicon chip (1) is provided with two parallel backplates (2), spacing d1 between every backplate (2) is 62.5mm, and every backplate (2) is comprised of the segmented electrode (2-1) of multistage on same straight line.
2. solar cell back face electrode structure as claimed in claim 1, it is characterized in that: described every backplate (2) is comprised of 6 sections segmented electrodes (2-1) on same straight line.
3. solar cell back face electrode structure as claimed in claim 1 or 2, it is characterized in that: the entire length of described each segmented electrode (2-1) is 5～12mm, width is 2～4mm.
4. solar cell back face electrode structure as claimed in claim 3, it is characterized in that: described 6 sections segmented electrodes (2-1) are three pairs and distribute at same straight line, a pair of segmented electrode (2-1) is comprised of two long segmented electrodes wherein, the two pairs of segmented electrodes in both sides (2-1) are comprised of and the close silicon chip (1) of the long segmented electrode outside a short segmented electrode and a long segmented electrode respectively, the entire length of long segmented electrode is 9～12mm, width is 2～4mm, the entire length of short segmented electrode is 5～11mm, and width is 2～4mm.
5. solar cell back face electrode structure as claimed in claim 1 or 2 is characterized in that: the edge of described each segmented electrode (2-1) is evenly distributed with the feeler (2-1-1) of giving birth to extension.
6. solar cell back face electrode structure as claimed in claim 5, it is characterized in that: the length of described feeler (2-1-1) is 0.25～0.5mm, and width is 0.25～0.5mm, and the spacing d2 between each feeler (2-1-1) is 0.25～0.5mm.
7. solar cell back face electrode structure as claimed in claim 1 or 2 is characterized in that: described silicon chip (1) is the monocrystalline silicon piece of 125mm for length and width.
8. solar battery sheet is characterized in that: the back side of described solar battery sheet is for such as each described solar cell back face electrode structure of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220584775 CN202871806U (en) | 2012-11-08 | 2012-11-08 | Solar cell slice back electrode structure and solar cell slice possessing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220584775 CN202871806U (en) | 2012-11-08 | 2012-11-08 | Solar cell slice back electrode structure and solar cell slice possessing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202871806U true CN202871806U (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220584775 Expired - Lifetime CN202871806U (en) | 2012-11-08 | 2012-11-08 | Solar cell slice back electrode structure and solar cell slice possessing same |
Country Status (1)
| Country | Link |
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| CN (1) | CN202871806U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997292A (en) * | 2014-06-11 | 2014-08-20 | 成都聚合科技有限公司 | High-efficiency concentrating solar battery piece |
| CN103997289A (en) * | 2014-06-11 | 2014-08-20 | 成都聚合科技有限公司 | High-efficiency concentrating solar battery chip |
-
2012
- 2012-11-08 CN CN 201220584775 patent/CN202871806U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997292A (en) * | 2014-06-11 | 2014-08-20 | 成都聚合科技有限公司 | High-efficiency concentrating solar battery piece |
| CN103997289A (en) * | 2014-06-11 | 2014-08-20 | 成都聚合科技有限公司 | High-efficiency concentrating solar battery chip |
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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: 20130410 |