CN216054729U - Front and back metallization pattern of double-sided battery - Google Patents
Front and back metallization pattern of double-sided battery Download PDFInfo
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- CN216054729U CN216054729U CN202122024746.4U CN202122024746U CN216054729U CN 216054729 U CN216054729 U CN 216054729U CN 202122024746 U CN202122024746 U CN 202122024746U CN 216054729 U CN216054729 U CN 216054729U
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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
- Y02E10/547—Monocrystalline silicon PV cells
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Abstract
The utility model relates to the field of solar cell production. A front and back metallization pattern of a double-sided battery comprises 5-15 transversely arranged isolated blocks with equal intervals, each block comprises a plurality of parallel transverse fine grid lines with equal intervals and a main grid line perpendicular to the transverse fine grid lines, the transverse fine grid lines of any one block are positioned on the extension lines of the transverse fine grid lines of the other block, the blocks in the front metallization pattern and the back metallization pattern of the double-sided battery are in one-to-one correspondence, the main grid lines in the blocks in one-to-one correspondence are also in one-to-one correspondence, and the front and back metallization pattern of the battery is divided to form a regional pattern, so that a solar battery is divided into independent blocks, and the interference among the regions is avoided.
Description
Technical Field
The utility model relates to the field of solar cell production.
Background
With global concern on climate, the market potential of new energy power generation is huge in the future, and the traditional coal power generation market is gradually shrunk. In recent years, no matter the technical innovation or cost reduction aspect of photovoltaic power generation, great progress appears, including the industrial application of battery end PERC battery technology, the popularization of technologies such as module end half piece, shingle and the like, however, compared with the traditional thermal power, the power consumption cost of the photovoltaic power generation is still higher, and how to further improve the photovoltaic power generation efficiency and reduce the power generation cost through the technical innovation becomes the effort direction of future photovoltaic power generation.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: how to further improve the generating efficiency of solar energy with your eating.
The technical scheme adopted by the utility model is as follows: a front and back metallization pattern of a double-sided battery comprises 5-15 transversely arranged isolated blocks with equal intervals, each block comprises a plurality of parallel transverse fine grid lines (5) with equal intervals and a main grid line (3) perpendicular to the transverse fine grid lines (5), the transverse fine grid lines (5) of any one block are positioned on the extension lines of the transverse fine grid lines (5) of the other block, the blocks in the front and back metallization patterns of the double-sided battery are in one-to-one correspondence, and the main grid lines (3) in the blocks in one-to-one correspondence are also in one-to-one correspondence.
The front side metallization graph and the back side metallization graph of the double-sided battery comprise an edge block metallization segmentation graph (1) and a middle block metallization segmentation graph (2), the lengths of the edge block metallization segmentation graphs (1) are equal to each other, the lengths of the middle block metallization segmentation graphs (2) are equal to each other, and the length of the edge block metallization segmentation graph (1) is larger than that of the middle block metallization segmentation graph (2).
The ends of the isolation ends of the transverse thin grid lines (5) in the front-side metalized graph and the back-side metalized graph of the double-sided battery are connected together in pairs through line segments (7) with the same width as the transverse thin grid lines (5); each main grid line (3) of the double-sided battery back metallization pattern is composed of two parallel longitudinal thin grid lines (4) with equal length, each transverse thin grid line (5) is intersected with one longitudinal thin grid line (4), and two adjacent transverse thin grid lines (5), line segments (7) and the longitudinal thin grid lines (4) form a rectangular frame; each main grid line (3) of the front-side metallization pattern of the double-sided battery is a solid line, and each transverse thin grid line (5) intersects with the solid line.
The utility model has the beneficial effects that: the solar battery is divided into more independent areas by dividing the metallization patterns on the front side and the back side of the battery to form regional patterns, so that the interference among the areas is avoided, and the normal use of other areas cannot be influenced even if one area has a problem. In addition, the rectangular frame attached to the main grid line is used as the auxiliary grid line, and compared with a single transverse thin grid line used as the auxiliary grid line, the finding efficiency can be further improved.
Drawings
FIG. 1 is a schematic diagram of a front side metallization pattern structure of the present invention;
FIG. 2 is a schematic view of a backside metallization pattern structure of the present invention;
the battery pack comprises an edge block metalized segmented graph 1, a middle block metalized segmented graph 2, a main grid line 3, a main grid line 4, a longitudinal thin grid line 5, a transverse thin grid line 6, a double-sided battery back block space 7, a line segment 8, an adjacent main grid line center line space 9 and an adjacent transverse thin grid line longitudinal space.
Detailed Description
Referring to fig. 1, a double-sided battery front and back metallization pattern is shown, and the specification of the battery piece used in this embodiment is 166 × 166mm2The front metallization pattern and the back metallization pattern of the double-sided battery respectively comprise 9 isolated blocks which are arranged transversely and are equal to each other in interval, each block comprises a plurality of parallel transverse fine grid lines 5 with equal intervals and a main grid line 3 which is perpendicular to the transverse fine grid lines 5, the transverse fine grid lines 5 of any one block are positioned on the extension lines of the transverse fine grid lines 5 of the other block, the blocks in the front metallization pattern and the back metallization pattern of the double-sided battery form a one-to-one corresponding relationship, and the main grid lines 3 in the blocks which form the one-to-one corresponding relationship are also in one-to-one correspondence. The current collected by the front side metallization pattern and the back side metallization pattern of the double-sided battery is led out by the transverse thin grid lines 5 and the main grid lines 3. The distance 8 between the central lines of the adjacent main grid lines in the front-side metallization graph and the back-side metallization graph of the double-sided battery is the same. Each middle block metallization subsection graph 2 is vertically and equally divided by the main grid line 3.
The front side metallization graph and the back side metallization graph of the double-sided battery comprise an edge block metallization segmentation graph 1 and a middle block metallization segmentation graph 2, the lengths of the edge block metallization segmentation graphs 1 are equal to each other, the lengths of the middle block metallization segmentation graphs 2 are equal to each other, and the length of the edge block metallization segmentation graph 1 is larger than that of the middle block metallization segmentation graph 2.
The ends of the isolation ends of the transverse thin grid lines 5 in the front-side metalized graph and the back-side metalized graph of the double-sided battery are connected together in pairs through line segments 7 with the same width as the transverse thin grid lines 5; each main grid line 3 of the double-sided battery back metallization pattern is composed of two parallel longitudinal thin grid lines 4 with equal length, the interval between the two longitudinal thin grid lines 4 is 1.8mm, each transverse thin grid line 5 is intersected with one longitudinal thin grid line 4, and the two adjacent transverse thin grid lines 5, line segments 7 and the longitudinal thin grid lines 4 form a rectangular frame; each main grid line 3 of the front side metallization pattern of the double-sided battery is a solid line, and each transverse thin grid line 5 intersects with the solid line.
In the back metallization pattern, the length of the line segment 7 is equal to the distance between two adjacent transverse thin grid lines 5 of each block and is 1.56mm, the distance 8 between the central lines of the adjacent main grid lines is equal to the length of the metallization segmentation pattern 2 of the middle block and is 16.8mm, the length of the metallization segmentation pattern 1 of the edge block is 14.3mm, and the width of the transverse thin grid line 5 is equal to the width of the longitudinal thin grid line 4 and is equal to the width of the line segment 7 and is 0.2-0.5 mm.
In the front metallization pattern, the width of the main grid line 3 is 1.8-2.5mm, the width of each transverse thin grid line 5 is equal to the width of the line segment 7 and is equal to 0.2-0.5mm, and the interval between two longitudinal thin grid lines 4 is 1.8 mm.
The front side metallization pattern material is metal silver, the back side metallization pattern material is aluminum, a silver-coated electrode is welded on the main grid line 3 of the back side metallization pattern, the silver-coated electrode is strip-shaped and 2mm wide, and when two longitudinal thin grid lines 4 of the main grid line 3 are welded with the silver-coated electrode, welding spots are spaced by 2.0 mm.
Claims (3)
1. The utility model provides a two-sided battery obverse and reverse side metallization figure which characterized in that: the front metallization pattern and the back metallization pattern of the double-sided battery comprise 5-15 isolated blocks which are arranged transversely and are equal to each other in interval, each block comprises a plurality of parallel transverse fine grid lines (5) with equal intervals and a main grid line (3) which is perpendicular to the transverse fine grid lines (5), the transverse fine grid lines (5) of any one block are positioned on the extension lines of the transverse fine grid lines (5) of the other block, the blocks in the front metallization pattern and the back metallization pattern of the double-sided battery are in one-to-one correspondence, and the main grid lines (3) in the blocks in one-to-one correspondence are also in one-to-one correspondence.
2. The double-sided battery front and back side metallization pattern of claim 1, wherein: the front side metallization graph and the back side metallization graph of the double-sided battery comprise an edge block metallization segmentation graph (1) and a middle block metallization segmentation graph (2), the lengths of the edge block metallization segmentation graphs (1) are equal to each other, the lengths of the middle block metallization segmentation graphs (2) are equal to each other, and the length of the edge block metallization segmentation graph (1) is larger than that of the middle block metallization segmentation graph (2).
3. The double-sided battery front-back side metallization pattern of claim 2, wherein: the ends of the isolation ends of the transverse thin grid lines (5) in the front-side metalized graph and the back-side metalized graph of the double-sided battery are connected together in pairs through line segments (7) with the same width as the transverse thin grid lines (5); each main grid line (3) of the double-sided battery back metallization pattern is composed of two parallel longitudinal thin grid lines (31) with equal length, each transverse thin grid line (5) is intersected with one longitudinal thin grid line (31), and two adjacent transverse thin grid lines (5), line segments (7) and the longitudinal thin grid lines (31) form a rectangular frame; each main grid line (3) of the front-side metallization pattern of the double-sided battery is a solid line, and each transverse thin grid line (5) intersects with the solid line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122024746.4U CN216054729U (en) | 2021-08-26 | 2021-08-26 | Front and back metallization pattern of double-sided battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122024746.4U CN216054729U (en) | 2021-08-26 | 2021-08-26 | Front and back metallization pattern of double-sided battery |
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| CN216054729U true CN216054729U (en) | 2022-03-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114765230A (en) * | 2022-03-23 | 2022-07-19 | 山西潞安太阳能科技有限责任公司 | Local interconnected crystal silicon battery structure and preparation method thereof |
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2021
- 2021-08-26 CN CN202122024746.4U patent/CN216054729U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114765230A (en) * | 2022-03-23 | 2022-07-19 | 山西潞安太阳能科技有限责任公司 | Local interconnected crystal silicon battery structure and preparation method thereof |
| CN114765230B (en) * | 2022-03-23 | 2024-04-02 | 山西潞安太阳能科技有限责任公司 | Local interconnected crystalline silicon battery structure and preparation method thereof |
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