CN109065644A - A kind of solar battery - Google Patents
A kind of solar battery Download PDFInfo
- Publication number
- CN109065644A CN109065644A CN201810930222.1A CN201810930222A CN109065644A CN 109065644 A CN109065644 A CN 109065644A CN 201810930222 A CN201810930222 A CN 201810930222A CN 109065644 A CN109065644 A CN 109065644A
- Authority
- CN
- China
- Prior art keywords
- technology groove
- solar battery
- battery body
- layer
- battery according
- 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.)
- Pending
Links
- 238000005516 engineering process Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000000903 blocking effect Effects 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 9
- 239000002250 absorbent Substances 0.000 claims description 7
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical group O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02167—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- 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
Abstract
The invention discloses a kind of solar batteries, comprising: battery body is provided with technology groove on one side；Conductive layer is arranged on the two sides of battery body and the inner surface of technology groove；And water blocking layer, it is arranged on the conductive layer of technology groove medial surface, the water that water blocking layer prevents battery body fringe region from absorbing crosses technology groove and is transferred to the inside region of battery body, in battery body fringe region moisture damage, battery body inside region will not be impacted, it is ensured that solar battery can be used for a long time.
Description
Technical field
The present invention relates to technical field of solar batteries, more particularly, to a kind of solar battery.
Background technique
As shown in Figure 1, a kind of solar battery includes photoelectric conversion layer 100, substrate 200 and conductive layer 300, photoelectric conversion
Layer 100 is arranged on substrate 200, and two conductive layers 300 are arranged in the exposed lateral side of photoelectric conversion layer 10 and substrate 200.
Since photoelectric conversion layer 100 has hydrophily, hydrone is easy to be absorbed into photoelectric conversion layer 100, will affect too
It is positive can battery service life, existing solution be using upper encapsulating film 400 and lower encapsulating film 500 to solar battery into
Row encapsulation, upper encapsulating film 400 is connected with the edge of lower encapsulating film 500, so that upper encapsulating film 400 and lower encapsulating film 500 surround
At package cavity, solar battery is located in package cavity, is completely cut off with the external world.
The frame to be formed that is connected with lower encapsulating film 500 of encapsulating film 400 is larger in such mode, will increase the transverse direction of product
Size, and the requirement to packaging technology is especially high.
Summary of the invention
The embodiment of the invention provides a kind of solar batteries, can reduce the requirement to packaging technology, can also reduce product
Size.
Solar battery provided in an embodiment of the present invention, comprising: battery body is provided with technology groove on one side；Conductive layer,
It is arranged on the two sides of the battery body and the inner surface of the technology groove；And water blocking layer, it is arranged at the technology groove
On the conductive layer of medial surface.
Optionally, the battery body includes: substrate；And photoelectric conversion layer, it is arranged on the substrate, the technology groove
It is arranged in the one side of the substrate backwards of the photoelectric conversion layer.
Optionally, the technology groove runs through the photoelectric conversion layer.
Optionally, the technology groove is located at the edge of the battery body.
Optionally, the technology groove is annular groove
Optionally, the technology groove includes multiple, the successively nested setting from inside to outside of multiple technology grooves.
Optionally, the water blocking layer is additionally arranged on the conductive layer of the technology groove inner bottom surface.
Optionally, the water blocking layer is additionally arranged on the conductive layer of the technology groove outer end face.
Optionally, water-absorbent material is also filled in the technology groove.
Optionally, the water-absorbent material is calcium oxide or calcium hydroxide, and the water blocking layer is silicon nitride layer or alumina layer.
Optionally, the solar battery further include: two encapsulating films are separately positioned on the conduction on the battery body two sides
On layer.
Optionally, the edge of two encapsulating films is aligned with the face edge of the battery body.
Optionally, the edge of two encapsulating films crosses the face edge of the battery body and links together, described in two
Package cavity is formed between encapsulating film.
Compared with prior art, the two sides of solar battery provided in an embodiment of the present invention, battery body is provided with technique
Slot, is provided with water blocking layer on the side of technology groove, the water that water blocking layer prevents battery body fringe region from absorbing cross technology groove and
It is transferred to the inside region of battery body, in battery body fringe region moisture damage, battery body inside region will not be by
It influences, it is ensured that solar battery can be used for a long time.
Further, the surrounding of such structure battery ontology can be not provided with encapsulating structure, not will form frame, can reduce
The size of solar battery, and still there is preferable waterproof effect.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is the schematic perspective view of solar battery described in the relevant technologies；
Fig. 2 is the overlooking structure diagram of solar battery described in one embodiment of the invention；
Fig. 3 is the front view structure schematic cross-sectional view of solar battery described in Fig. 2；
Fig. 4 is the overlooking structure diagram of solar battery described in another embodiment of the present invention；
Fig. 5 is the overlooking structure diagram of solar battery described in another embodiment of the invention.
Wherein, corresponding relationship of the Fig. 2 into Fig. 5 between appended drawing reference and component names are as follows:
1 battery body, 11 technology grooves, 12 substrates, 13 photoelectric conversion layers, 2 conductive layers, 3 water blocking layers, 4 encapsulating films, 5 water suctions
Material, 61 inside regions, 62 fringe regions.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.
The embodiment of the invention provides a kind of solar batteries, as shown in Figures 2 to 5, comprising: battery body 1, one side
It is provided with technology groove 11；Conductive layer 2, the two sides of battery body 1 is arranged in, and (two sides i.e.: the two sides of battery body are not electricity
The end face of pond ontology circumferential direction) and the inner surface of technology groove 11 on；With water blocking layer 3, it is arranged at leading for 11 medial surface of technology groove
In electric layer 2.
The solar battery, battery body 1 are provided with technology groove 11 on one side, are provided with and block water on the side of technology groove 11
Layer 3, the water that water blocking layer 3 prevents 1 fringe region 62 of battery body from absorbing cross technology groove 11 and are transferred to the inside of battery body 1
Region 61, in 1 62 moisture damage of fringe region of battery body, 1 inside region 61 of battery body will not be impacted, it is ensured that the sun
Energy battery can be used for a long time.
Wherein, as shown in figure 3, battery body 1 includes: substrate 12；With photoelectric conversion layer 13, it is arranged on the substrate 12, work
Skill slot 11 is arranged on the side of substrate 12 backwards of photoelectric conversion layer 13.Substrate 12 mostly uses the hydrophobic materials such as ceramics, glass
Production, hydrone are not easily absorbed into substrate 12, more difficult to penetrate substrate 12, therefore technology groove can be not provided on substrate 12
11, the structures such as water blocking layer 3.
Certainly, the purpose of the application can also be realized by the structures such as technology groove, water blocking layer (not shown) being arranged on substrate,
Its objective is without departing from design philosophy of the invention, and details are not described herein, in the protection scope that also should belong to the application.
Preferably, as shown in Figures 2 and 3, technology groove 11 is the annular groove through photoelectric conversion layer 13, such fringe region
The moisture absorbed on 62 photoelectric conversion layer 13 will not cross annular groove and be transferred on the photoelectric conversion layer 13 of inside region 61.
The surrounding of such structure battery ontology 1 can be not provided with encapsulating structure, not will form frame, can reduce the ruler of solar battery
It is very little, and still there is preferable waterproof effect.
As shown in Figures 2 to 5, on photoelectric conversion layer 13, it is fringe region 62 that annular groove, which surrounds areas outside, surrounds region
For inside region 61.
In order to which moisture transmitting is preferably isolated, as shown in Figures 2 to 5, annular groove includes three of successively nested setting, and three
A annular groove is located at the edge of photoelectric conversion layer 13.
Certainly, annular groove also can be set one, two, four or five etc., can also realize the purpose of the application, ancestor
Purport is without departing from design philosophy of the invention, and details are not described herein, in the protection scope that should belong to the application
Further, as shown in Figures 3 to 5, water blocking layer 3 is additionally arranged at (that is: side on the conductive layer of 11 outer end face of technology groove
On the conductive layer in edge region 62 and the conductive layer of inside region 61), by conductive layer 2 to the exposed lateral side of photoelectric conversion layer 13 into
Row waterproof protective can save packaging process, preferably reduce the cost of manufacture of solar battery.In order to more easily make resistance
Water layer 3 (is such as made of vapor deposition, deposition mode), and water blocking layer 3 is additionally arranged on the conductive layer on 11 inner bottom surface of technology groove, resistance
Water layer 3 covers the conductive layer 2 of entire 13 side of photoelectric conversion layer setting.
Still further, further preventing moisture from edge as shown in figure 4, be also filled with water-absorbent material 5 in technology groove 11
The transfer of the inside side region 61 in region 62, the use that solar battery can be more permanent.Water absorption layer also can be set into water-absorbent material, inhales
Water layer, which can be, is arranged alternately multiple groups with water blocking layer, can be better protected from moisture in this way from fringe region 62 and be transferred to medial area
On domain 61.
Specifically, as shown in figure 4, water-absorbent material 5 is calcium oxide or calcium hydroxide etc., water blocking layer 3 is (colored transparent or nothing
Color is transparent) silicon nitride layer or alumina layer etc., photoelectric conversion layer 13 is photoelectric PN junction layer etc., and conductive layer is tin indium oxide, thoroughly
Bright conductive film etc..
Certainly, as shown in Figure 4 and Figure 5, solar battery can also include: two encapsulating films 4, be separately positioned on battery body
On 1 two sides, protection is packaged to solar battery, moisture is preferably avoided to enter battery sheet from the two sides of battery body 1
In body 1.
It can be as shown in figure 4, the edge of two encapsulating films 4 is aligned with the face edge of battery body 1, to reduce solar-electricity
The size in pond, while also can further promote the block-water performance of solar battery side after encapsulation.It is also possible to such as Fig. 5 institute
Show, the edge of two encapsulating films 4 stretches out the face edge of battery body 1 (that is: the end of the edge stretching battery body 1 of two encapsulating films 4
Face) and link together, package cavity is formed between two encapsulating films 4, with completely isolated battery body 1 and the external world, is preferably protected
Battery body 1.
In conclusion solar battery provided in an embodiment of the present invention, the side of battery body is provided with technology groove, technique
Water blocking layer is provided on the side of slot, the water that water blocking layer prevents battery body fringe region from absorbing crosses technology groove and is transferred to electricity
The inside region of pond ontology, in battery body fringe region moisture damage, battery body inside region will not be impacted, it is ensured that
Solar battery can be used for a long time.
Moreover, the surrounding of such structure battery ontology can be not provided with encapsulating structure, frame not will form, can reduce the sun
The size of energy battery.
In description in the present invention, it should be noted that term " on ", "lower", " side ", " other side ", " one end ",
The orientation or positional relationship of the instructions such as " other end ", " side ", " opposite ", " quadrangle ", " periphery ", " " mouth " word structure " is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion is signified
Structure there is specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " connection " " directly connects
Connect ", " being indirectly connected with ", " being fixedly connected ", " installation ", " assembly " shall be understood in a broad sense, can also for example, it may be fixedly connected
To be to be detachably connected, or be integrally connected；Term " installation ", " connection ", " being fixedly connected " can be directly connected, can also be with
Indirectly connected through an intermediary, it can be the connection inside two elements.For the ordinary skill in the art, may be used
The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use
Embodiment is not intended to limit the invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, the appended claims that must still be subject to defined.
Claims (10)
1. a kind of solar battery characterized by comprising
Battery body is provided with technology groove on one side；
Conductive layer is arranged on the two sides of the battery body and the inner surface of the technology groove；With
Water blocking layer is arranged on the conductive layer of the technology groove medial surface.
2. solar battery according to claim 1, which is characterized in that the battery body includes:
Substrate；With
Photoelectric conversion layer, on the substrate, the substrate backwards of the photoelectric conversion layer is arranged in the technology groove for setting
One side on.
3. solar battery according to claim 2, which is characterized in that the technology groove runs through the photoelectric conversion layer.
4. solar battery according to claim 1, which is characterized in that the technology groove is located at the side of the battery body
At edge, the technology groove is annular groove.
5. solar battery according to claim 1, which is characterized in that the technology groove includes multiple, multiple works
The successively nested setting from inside to outside of skill slot.
6. solar battery according to claim 1, which is characterized in that the water blocking layer is additionally arranged in the technology groove
On the conductive layer of bottom surface.
7. solar battery according to claim 1, which is characterized in that the water blocking layer is additionally arranged at outside the technology groove
On the conductive layer of end face.
8. solar battery according to claim 1, which is characterized in that be also filled with water-absorbent material in the technology groove.
9. solar battery according to claim 8, which is characterized in that the water-absorbent material is calcium oxide or hydroxide
Calcium, the water blocking layer are silicon nitride layer or alumina layer.
10. solar battery according to any one of claim 1 to 9, which is characterized in that further include:
Two encapsulating films are separately positioned on the conductive layer on the battery body two sides；
Wherein: the edge of two encapsulating films is aligned with the face edge of the battery body；Or；It gets at the edge of two encapsulating films
It crosses the face edge of the battery body and links together, form package cavity between two encapsulating films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810930222.1A CN109065644A (en) | 2018-08-15 | 2018-08-15 | A kind of solar battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810930222.1A CN109065644A (en) | 2018-08-15 | 2018-08-15 | A kind of solar battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109065644A true CN109065644A (en) | 2018-12-21 |
Family
ID=64687095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810930222.1A Pending CN109065644A (en) | 2018-08-15 | 2018-08-15 | A kind of solar battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109065644A (en) |
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Effective date of registration: 20201218 Address after: 101400 Yanqi Street, Yanqi Economic Development Zone, Huairou District, Beijing Applicant after: Beijing Huihong Technology Co., Ltd Address before: 101407 Yanqi Industrial Development Zone, Huairou District, Beijing Applicant before: Hanergy New Material Technology Co.,Ltd. |
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Effective date of registration: 20211028 Address after: No.31 Yanqi street, Yanqi Economic Development Zone, Huairou District, Beijing Applicant after: Dongjun new energy Co.,Ltd. Address before: 101400 Yanqi Street, Yanqi Economic Development Zone, Huairou District, Beijing Applicant before: Beijing Huihong Technology Co., Ltd |
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