CN204792820U - Amorphous silicon thin film solar cell - Google Patents
Amorphous silicon thin film solar cell Download PDFInfo
- Publication number
- CN204792820U CN204792820U CN201520452468.4U CN201520452468U CN204792820U CN 204792820 U CN204792820 U CN 204792820U CN 201520452468 U CN201520452468 U CN 201520452468U CN 204792820 U CN204792820 U CN 204792820U
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- CN
- China
- Prior art keywords
- electrode layer
- photoelectric conversion
- conversion layer
- substrate
- solar cell
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- 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.)
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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
Abstract
The utility model relates to a solar cell technical field discloses an amorphous silicon thin film solar cell, including the substrate, the front electrode layer of shaping on the substrate, the photoelectric conversion layer of shaping on front electrode layer to and the rear electrode layer of shaping on the photoelectric conversion layer, and follow be equipped with at least one recess on the length direction on photoelectric conversion layer, the recess is used for cutting apart into two at least electrical cell with the photoelectric conversion layer, still is equipped with the wire of connecting two adjacent electrical cell in every recess, and the contact surface between every electrical cell and the rear electrode layer is the first surface, and the contact surface between every electrical cell and the front electrode layer is the second curved surface. The utility model discloses an aspect adopts the structural style of curved surface, has increased the electricity generation area, has improved the efficiency of electricity generation, and on the other hand adopts the recess to split into a plurality of electrical cell with the photoelectric conversion layer, can have higher magnitude of voltage and less current value under the unchangeable prerequisite of power.
Description
Technical field
The utility model relates to technical field of solar batteries, more particularly, and particularly a kind of amorphous silicon thin-film solar cell.
Background technology
Amorphous silicon thin-film solar cell is the handsome person in hull cell industrialization technology of new generation, and it is high with conversion efficiency, good stability, the main feature such as with low cost are good at, and very likely becomes the mainstream technology first realizing electrical network equivalent point in photovoltaic technology.
Non-crystal silicon solar cell of the prior art structurally comprises substrate, positive electrode layer, photoelectric conversion layer and positive electrode layer, but existing solar cell power generation efficiency is lower and not collapsible.Meanwhile, with size amorphous silicon thin-film solar cell, often electric current and voltage value is suitable, in use often cannot meet the demand of high voltage electrical equipment, and higher electric current in use can increase the danger of hot spot.Therefore, be necessary to improve the structure of existing non-crystal silicon solar cell.
Utility model content
It is high that the purpose of this utility model is to provide a kind of generating efficiency, and under the constant prerequisite of power, have the amorphous silicon thin-film solar cell of higher magnitude of voltage and less current value.
In order to solve problem set forth above, the technical solution adopted in the utility model is: a kind of amorphous silicon thin-film solar cell, comprise substrate, take shape in the front electrode layer on substrate, take shape in the photoelectric conversion layer on front electrode layer, and the rear electrode layer taken shape on photoelectric conversion layer, and be provided with at least one groove along the length direction of described photoelectric conversion layer, described groove is used for photoelectric conversion layer to be divided at least two generator units, the wire connecting two adjacent generator units is also provided with in each groove, contact-making surface between each generator unit and rear electrode layer is first surface, contact-making surface between each generator unit and front electrode layer is the second curved surface.
According to a preferred embodiment of the present utility model: described first surface and the second curved surface are arcwall face.
According to a preferred embodiment of the present utility model: described substrate adopts flexible polymer film to form, described front electrode layer adopts deposit zinc oxide on substrate to be formed, described photoelectric conversion layer adopts p-type, i type and the N-shaped amorphous silicon layer formed successively on front electrode layer to form, and described rear electrode layer adopts deposit zinc oxide on photoelectric conversion layer to be formed.
According to a preferred embodiment of the present utility model: described substrate is hard substrate or flexible substrate.
Compared with prior art, the beneficial effects of the utility model are: the utility model adopts the version of curved surface on the one hand, add generating area, improve the efficiency of generating, adopt groove that photoelectric conversion layer is divided into multiple generator unit on the other hand, under the constant prerequisite of power, higher magnitude of voltage and less current value can be had.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of amorphous silicon thin-film solar cell of the present utility model.
Description of reference numerals: 1, substrate, 2, front electrode layer, 3, photoelectric conversion layer, 4, rear electrode layer, 5, groove, 6, wire, 7, first surface, the 8, second curved surface.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
Consult shown in Fig. 1, the utility model provides a kind of amorphous silicon thin-film solar cell, comprise substrate 1, take shape in the front electrode layer 2 on substrate 1, take shape in the photoelectric conversion layer 3 on front electrode layer 2, and the rear electrode layer 4 taken shape on photoelectric conversion layer 3, and be provided with at least one groove 5 along the length direction of described photoelectric conversion layer 3, described groove 5 is for being divided at least two generator units by photoelectric conversion layer 3, the wire 6 connecting two adjacent generator units is also provided with in each groove 5, contact-making surface between each generator unit and rear electrode layer 4 is first surface 7, contact-making surface between each generator unit and front electrode layer 2 is the second curved surface 8.
Concrete, in the utility model, described first surface 7 and the second curved surface 8 are arcwall face.Described substrate 1 adopts flexible polymer film to form, described front electrode layer 2 adopts deposit zinc oxide on substrate 1 to be formed, described photoelectric conversion layer 3 adopts p-type, i type and the N-shaped amorphous silicon layer formed successively on front electrode layer 2 to form, and described rear electrode layer 4 adopts deposit zinc oxide on photoelectric conversion layer 3 to be formed.In the concrete forming process of front electrode layer 2, the height of adjustable former realizes the formation of the second curved surface 8, in photoelectric conversion layer 3 forming process, also the height that adjustable is shaping forms a convex surface on photoelectric conversion layer 3, and then can form first surface 7 when rear electrode layer 4 is shaping on photoelectric conversion layer 3.
Concrete, in the utility model, described substrate 1 is hard substrate or flexible substrate; Different backing materials can be selected as required, to meet the different needs.
The utility model owing to forming at least one groove (n) on solar panel, electric layer is divided at least two power generation region (n+1) that generating area is identical, with wire, each power generation region is contacted, the voltage of each power generation region obtained is identical with primary voltage, electric current is then original 1/n+1, total voltage then becomes the n+1 of primary cell doubly, and total current becomes the 1/n+1 of primary cell, and gross power is constant.Further, by changing the numerical value of n, the battery of different magnitude of voltage and current value can be obtained.
Above-described embodiment is the utility model preferably execution mode; but execution mode of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection range of the present utility model.
Claims (4)
1. an amorphous silicon thin-film solar cell, it is characterized in that: comprise substrate (1), take shape in the front electrode layer (2) on substrate (1), take shape in the photoelectric conversion layer (3) on front electrode layer (2), and the rear electrode layer (4) taken shape on photoelectric conversion layer (3), and be provided with at least one groove (5) along the length direction of described photoelectric conversion layer (3), described groove (5) is for being divided at least two generator units by photoelectric conversion layer (3), the wire (6) connecting two adjacent generator units is also provided with in each groove (5), contact-making surface between each generator unit and rear electrode layer (4) is first surface (7), contact-making surface between each generator unit and front electrode layer (2) is the second curved surface (8).
2. amorphous silicon thin-film solar cell according to claim 1, is characterized in that: described first surface (7) and the second curved surface (8) are arcwall face.
3. amorphous silicon thin-film solar cell according to claim 1, it is characterized in that: described substrate (1) adopts flexible polymer film to form, described front electrode layer (2) adopts and is formed at the upper deposit zinc oxide of substrate (1), described photoelectric conversion layer (3) adopts p-type, i type and the N-shaped amorphous silicon layer formed successively on front electrode layer (2) to form, and described rear electrode layer (4) adopts and formed at the upper deposit zinc oxide of photoelectric conversion layer (3).
4. amorphous silicon thin-film solar cell according to claim 1, is characterized in that: described substrate (1) is hard substrate or flexible substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520452468.4U CN204792820U (en) | 2015-06-27 | 2015-06-27 | Amorphous silicon thin film solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520452468.4U CN204792820U (en) | 2015-06-27 | 2015-06-27 | Amorphous silicon thin film solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204792820U true CN204792820U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520452468.4U Expired - Fee Related CN204792820U (en) | 2015-06-27 | 2015-06-27 | Amorphous silicon thin film solar cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204792820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546282A (en) * | 2016-06-28 | 2018-01-05 | 湖南国盛石墨科技有限公司 | A kind of graphene solar cell |
-
2015
- 2015-06-27 CN CN201520452468.4U patent/CN204792820U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546282A (en) * | 2016-06-28 | 2018-01-05 | 湖南国盛石墨科技有限公司 | A kind of graphene solar cell |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20190627 |