CN205944105U - Polycrystalline silicon chip with functions of filtering ultraviolet rays and resisting reflected light - Google Patents
Polycrystalline silicon chip with functions of filtering ultraviolet rays and resisting reflected light Download PDFInfo
- Publication number
- CN205944105U CN205944105U CN201620952830.9U CN201620952830U CN205944105U CN 205944105 U CN205944105 U CN 205944105U CN 201620952830 U CN201620952830 U CN 201620952830U CN 205944105 U CN205944105 U CN 205944105U
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- CN
- China
- Prior art keywords
- polycrystalline silicon
- layer
- polysilicon chip
- grid line
- line
- 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
Links
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 72
- 238000001914 filtration Methods 0.000 title abstract 3
- 238000005530 etching Methods 0.000 claims abstract description 11
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 7
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 7
- 229920005591 polysilicon Polymers 0.000 claims description 53
- 230000009471 action Effects 0.000 claims description 9
- 230000003667 anti-reflective effect Effects 0.000 claims description 9
- 239000010408 film Substances 0.000 claims 2
- 239000010409 thin film Substances 0.000 claims 1
- 239000003292 glue Substances 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052710 silicon Inorganic materials 0.000 abstract description 3
- 239000010703 silicon Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 238000004383 yellowing Methods 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Drying Of Semiconductors (AREA)
Abstract
The utility model discloses a polycrystalline silicon wafer with ultraviolet ray filtering and anti-reflection light functions, wherein the surface of a polycrystalline silicon wafer body is provided with an auxiliary grid line and a main grid line, two ends of the polycrystalline silicon wafer body are both provided with a confluence electrode, the bus electrode is formed by respectively converging an auxiliary grid line and a main grid line, the edge of the polycrystalline silicon wafer body is coated with a butadiene rubber layer, the polycrystalline silicon wafer body comprises an etching velvet layer, an antireflection film is arranged on the lower side of the etching velvet layer, the lower surface of the anti-reflection film is connected with a P-type polycrystalline silicon layer, the lower side of the P-type polycrystalline silicon layer is provided with an N-type polycrystalline silicon layer, the lower surface of the N-type polycrystalline silicon layer is adhered with an ultraviolet filtering film layer, the device improves light energy absorption efficiency, filters ultraviolet light, increases the EVA glue life who uses with the polycrystal silicon chip cooperation, has prolonged the working life who constitutes the battery piece by the polycrystal silicon chip.
Description
Technical field
This utility model belongs to polysilicon chip technical field and in particular to one kind has filters ultra violet line and antireflection light is made
Polysilicon chip.
Background technology
Energy shortage and environmental pollution are century two significant problems being faced of the mankind, become international community's economic development
Bottleneck.Solar energy provides, as the regenerative resource of cleanliness without any pollution, the preferred embodiments solving this two problems.At present, such as
What is developed photoelectric transformation efficiency height, life-span length, stable performance and solar cell with low cost and has caused the whole world
Extensive concern.Therefore, the needs based on era development, solar cell has wide development space.Solar energy power generating
Market is vigorously developed, and between past 10 years, solar cell market is increased rapidly with 40% ratio every year, wherein crystal
Silicon solar cell occupies the market share of solar cell nearly 90%, and because polysilicon chip is made after cell piece, EVA glue is long-term
Irradiated by ultraviolet and lead to aging yellowing, affect electricity conversion, lead to cell piece service life to decline, light-absorption layer is in extinction
During have source reflection, greatly reduce light source utilization rate.
Utility model content
The purpose of this utility model is to provide a kind of polysilicon chip with filters ultra violet line and antireflection light action, with
Solve the problems, such as to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme:One kind has filters ultra violet line and antireflection
The polysilicon chip of light action, including polysilicon chip body, the surface of described polysilicon chip body is provided with secondary grid line and main gate line,
The edgewise of described polysilicon chip body is coated with butadiene rubber layer, and described polysilicon chip body includes etching pile layer, described etching
The downside of pile layer is provided with anti-reflective film, and the lower surface of described anti-reflective film is connected with p-type polysilicon layer, described p-type polysilicon
The downside of layer is provided with N-type polycrystalline silicon layer, and the lower surface of described N-type polycrystalline silicon layer is fitted with filter ultraviolet thin layer.
Preferably, the two ends of described polysilicon chip body are provided with bus electrode, and described bus electrode is by secondary grid line
Conflux respectively composition with main gate line.
Preferably, the corner of described polysilicon chip body is provided with chamfering, and chamfering and seamed edge angle at 45 °.
Preferably, described pair grid line and main gate line are arranged in a mutually vertical manner, and main gate line is at least provided with four, and equidistantly set
Put.
Technique effect of the present utility model and advantage:This has filters ultra violet line and the polysilicon chip of antireflection light action,
Butadiene rubber layer is had by the Surface coating in polysilicon chip body, and the corner of polysilicon chip body is provided with 45 ° of chamferings, prevent
The breakage that only polysilicon chip is led to due to turning collision during transport, during light energy absorption conversion, partly light
Source is passed through refraction and is scattered and disappeared, and reduces the absorbance to light, leads to light energy use efficiency low, anti-by the downside setting in etching pile layer
Reflectance coating, it is ensured that during illumination, reducing source reflection, improves the absorption efficiency of light source, is conducive to improving photoelectric conversion, leads to
The ultraviolet being irradiated into is carried out refraction and filters by filters ultra violet line thin layer, prevent ultraviolet long-time irradiate lead to
The EVA glue aging yellowing that polysilicon chip body is sealing adhesive, affects polysilicon chip electricity conversion, affects service life, should
Device improves light energy absorption efficiency, filters ultra violet linear light, increases the EVA glue service life using cooperatively with polysilicon chip, extends
It is made up of the working life of cell piece polysilicon chip.
Brief description
Fig. 1 is polysilicon chip main structure diagram of the present utility model;
Fig. 2 is polysilicon chip cross section structure diagram of the present utility model.
In figure:1 polysilicon chip body, 2 butadiene rubber layers, 3 secondary grid lines, 4 main gate line, 5 etching pile layer, 6 anti-reflective films, 7
Light-absorption layer, 8 p-type polysilicon layers, 9 N-type polycrystalline silicon layers, 10 filter ultraviolet thin layers.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
This utility model provides a kind of polysilicon with filters ultra violet line and antireflection light action as shown in Figure 1-2
Piece, including polysilicon chip body 1, the surface of described polysilicon chip body 1 is provided with secondary grid line 3 and main gate line 4, described polysilicon
The edgewise of piece body 1 is coated with butadiene rubber layer 2, and described polysilicon chip body 1 includes etching pile layer 5, described etching pile layer 5
Downside is provided with anti-reflective film 6, and the lower surface of described anti-reflective film 6 is connected with p-type polysilicon layer 8, described p-type polysilicon layer 8
Downside be provided with N-type polycrystalline silicon layer 9, the lower surface of described N-type polycrystalline silicon layer 9 is fitted with filter ultraviolet thin layer 10.
Further, the two ends of described polysilicon chip body 1 are provided with bus electrode, and described bus electrode is by secondary grid
Line 3 and main gate line 4 are confluxed composition respectively, and the electronics being easy to for luminous energy to change into electric energy is transmitted by bus electrode.
Further, the corner of described polysilicon chip body 1 is provided with chamfering, and chamfering and seamed edge angle at 45 °, passes through
Polysilicon chip body 1 chamfering of butadiene rubber layer 2 cladding, greatly reduces what polysilicon chip collision during transport led to
Fraction defective.
Further, described pair grid line 3 and main gate line 4 are arranged in a mutually vertical manner, and main gate line 4 is at least provided with four, and
It is placed equidistant, secondary grid line 3 and main gate line 4, as gate-shaped electrode, play the effect of conduction of confluxing.
Operation principle:The surface of polysilicon chip body 1 is provided with secondary grid line 3 and main gate line 4, is arranged in a mutually vertical manner, and secondary
Grid line 3 and main gate line 4, as gate-shaped electrode, play the effect of conduction of confluxing, and the edgewise of polysilicon chip body 1 is coated with along fourth rubber
Glue-line 2, and the corner of polysilicon chip body 1 is provided with 45 ° of chamferings, it is to avoid the rupture leading to because of turning collision, affect product
Quality, the downside of etching pile layer 5 is provided with anti-reflective film 6, reduces luminous energy refraction by anti-reflective film 6 and scatters and disappears, improves luminous energy profit
With rate, the lower surface of N-type polycrystalline silicon layer 9 is fitted with filters ultraviolet thin layer 10, and reducing ultraviolet pair is made with polysilicon chip cooperation
The irradiation of EVA glue, reduces the aging of EVA glue, improves the service life of the cell piece being made up of polysilicon chip.
Finally it should be noted that:The foregoing is only preferred embodiment of the present utility model, be not limited to this
Utility model, although being described in detail to this utility model with reference to the foregoing embodiments, for those skilled in the art
For, it still can be modified to the technical scheme described in foregoing embodiments, or to wherein some technical characteristics
Carry out equivalent, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement made etc., all
Should be included within protection domain of the present utility model.
Claims (4)
1. a kind of polysilicon chip with filters ultra violet line and antireflection light action, including polysilicon chip body(1), its feature exists
In:Described polysilicon chip body(1)Surface be provided with secondary grid line(3)And main gate line(4), described polysilicon chip body(1)'s
Edgewise is coated with butadiene rubber layer(2), described polysilicon chip body(1)Including etching pile layer(5), described etching pile layer(5)'s
Downside is provided with anti-reflective film(6), described anti-reflective film(6)Lower surface be connected with p-type polysilicon layer(8), described p-type polycrystalline
Silicon layer(8)Downside be provided with N-type polycrystalline silicon layer(9), described N-type polycrystalline silicon layer(9)Lower surface be fitted with filter ultraviolet thin
Film layer(10).
2. a kind of polysilicon chip with filters ultra violet line and antireflection light action according to claim 1, its feature exists
In:Described polysilicon chip body(1)Two ends be provided with bus electrode, and described bus electrode is by secondary grid line(3)And main grid
Line(4)Conflux composition respectively.
3. a kind of polysilicon chip with filters ultra violet line and antireflection light action according to claim 1, its feature exists
In:Described polysilicon chip body(1)Corner be provided with chamfering, and chamfering and seamed edge angle at 45 °.
4. a kind of polysilicon chip with filters ultra violet line and antireflection light action according to claim 1, its feature exists
In:Described pair grid line(3)And main gate line(4)It is arranged in a mutually vertical manner, and main gate line(4)At least provided with four, and it is placed equidistant.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620952830.9U CN205944105U (en) | 2016-08-25 | 2016-08-25 | Polycrystalline silicon chip with functions of filtering ultraviolet rays and resisting reflected light |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620952830.9U CN205944105U (en) | 2016-08-25 | 2016-08-25 | Polycrystalline silicon chip with functions of filtering ultraviolet rays and resisting reflected light |
Publications (1)
Publication Number | Publication Date |
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CN205944105U true CN205944105U (en) | 2017-02-08 |
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CN201620952830.9U Expired - Fee Related CN205944105U (en) | 2016-08-25 | 2016-08-25 | Polycrystalline silicon chip with functions of filtering ultraviolet rays and resisting reflected light |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107195727A (en) * | 2017-05-03 | 2017-09-22 | 北京捷宸阳光科技发展有限公司 | The manufacture method of half-cell piece |
-
2016
- 2016-08-25 CN CN201620952830.9U patent/CN205944105U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107195727A (en) * | 2017-05-03 | 2017-09-22 | 北京捷宸阳光科技发展有限公司 | The manufacture method of half-cell piece |
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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: 20170208 Termination date: 20200825 |