CN207938626U - A kind of solar-energy photo-voltaic cell structure - Google Patents
A kind of solar-energy photo-voltaic cell structure Download PDFInfo
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- CN207938626U CN207938626U CN201820233486.7U CN201820233486U CN207938626U CN 207938626 U CN207938626 U CN 207938626U CN 201820233486 U CN201820233486 U CN 201820233486U CN 207938626 U CN207938626 U CN 207938626U
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- type layer
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- fixedly connected
- transparent conductive
- conductive film
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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
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Abstract
The utility model discloses a kind of solar-energy photo-voltaic cell structures, including P-type layer and N-type layer, the P-type layer is located at the lower section of N-type layer, PN type layers are provided between the P-type layer and N-type layer, it is fixedly connected with silicon dioxide protective film above the N-type layer, it is fixedly connected with transparent conductive film above the silicon dioxide protective film, the top of the transparent conductive film is uniformly fixedly connected with tapered protrusion, it is provided with layer of transparent glassy layer above the outside of the transparent conductive film, one layer of silver coating is provided between the tapered protrusion and transparent conductive film, it is fixedly connected with positive electrode above the silver coating, the lower surface of the P-type layer is provided with negative electrode, the utility model reasonable design, it is simple in structure, illuminating area is big, efficiency of fuel cell generation is high, it is worth promoting.
Description
Technical field
The utility model is related to photovoltaic cell technical field, specially a kind of solar-energy photo-voltaic cell structure.
Background technology
Crystal-silicon solar cell is the mainstream of current solar cell development, and in occupation of the market share of the overwhelming majority, height turns
Change efficiency and to reduce cost be the target that photovoltaic researcher is pursued, in order to improve transformation efficiency, mainly in the following manner into
Row improves：On the one hand on the other hand the absorption for improving light reduces battery surface using the Surface Texture and coated with antireflection layer of sunken light
Recombination rate, be passivated using passivation layer.
Silicon materials can not absorb the infrared light less than its band gap, and black silicon material inhales the strong anti-reflection of full solar spectrum with strong
It receives（Absorptivity is more than 90%）, especially to the absorption of infrared light so that infrared energy can be converted to electric energy by black silicon
Output, and infrared energy accounts for the one third of the solar energy total amount of crystalline silicon absorption, if this portion of energy is all converted to
Electric energy exports, then battery efficiency increases by 22.5%.Realize this target, it is important to reduce defect and surface recombination, heavily doped shape
At deep energy level subband, and extends to surface and be connected with electrode；Secondly the electronics in deep energy level will have certain service life, transport approach
Cannot be too long, the direction that photonic absorption is collected with electronics separates, and the black silicon of this point has completely, photon refractive direction in crystalline cone
It is almost vertical with electron surface collection, more arrive that surface doping is denseer, and deep energy level subband is better；Therefore, black silicon converts infrared light
It is feasible at electronics output.
The photoelectric conversion efficiency for improving battery is to reduce the important channel of solar cell generating price, efficiency of solar cell
The sunlight for requiring to make full use of each wavelength is improved, micro-nano structure silicon materials all have the incident light within the scope of wide solar spectrum
There is ideal assimilation effect, be expected to solve the problems, such as that silica-based solar cell wide spectrum absorptivity is low, becomes solar cell neck
The research hotspot in domain.Therefore, it is necessary to solve the above problems to invent a kind of solar-energy photo-voltaic cell structure.
Utility model content
The purpose of this utility model is to provide a kind of solar-energy photo-voltaic cell structures, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides the following technical solutions：A kind of solar-energy photo-voltaic cell structure, including
P-type layer and N-type layer, the P-type layer are located at the lower section of N-type layer, and PN type layers, the N are provided between the P-type layer and N-type layer
It is fixedly connected with silicon dioxide protective film above type layer, electrically conducting transparent is fixedly connected with above the silicon dioxide protective film
The top of film, the transparent conductive film is uniformly fixedly connected with tapered protrusion, is provided with above the outside of the transparent conductive film
Layer of transparent glassy layer is provided with one layer of silver coating, the top of the silver coating between the tapered protrusion and transparent conductive film
It is fixedly connected with positive electrode, the lower surface of the P-type layer is provided with negative electrode.
Preferably, it is provided on the outside of the P-type layer, N-type layer, PN types layer, silicon dioxide protective film and transparent glass layer
Frame.
Preferably, the tapered protrusion, which is located on the outer surface of silver coating, is provided with glassy layer.
Preferably, the tapered protrusion is evenly arranged on the upper surface of transparent conductive film.
Preferably, it is fixedly connected with substrate layer below the P-type layer.
Preferably, the frame uses aluminum alloy material, and frame is fixed by bolt.
Compared with prior art, the beneficial effects of the utility model are as follows：The solar-energy photo-voltaic cell structure, passes through setting
P-type layer and N-type layer, be located at the lower section of N-type layer in P-type layer, PN type layers be provided between P-type layer and N-type layer, in N-type layer
Top is fixedly connected with silicon dioxide protective film, and transparent conductive film is fixedly connected with above silicon dioxide protective film, transparent to lead
The top of electrolemma is uniformly fixedly connected with tapered protrusion, and layer of transparent glassy layer is provided with above the outside of transparent conductive film, bores
It is provided with one layer of silver coating between shape protrusion and transparent conductive film, positive electrode is fixedly connected with above silver coating, P-type layer
Lower surface is provided with negative electrode, the utility model reasonable design, simple in structure, by the tapered protrusion of setting, plays expansion light
The big effect of product of showing up, makes in more sunlights to photovoltaic panel, efficiency of fuel cell generation is high, is worth promoting.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the tapered protrusion structural schematic diagram of the utility model；
Fig. 3 is the vertical view of the utility model.
In figure：1 P-type layer, 2 N-type layers, 3 PN types layers, 4 silicon dioxide protective films, 5 transparent glass layers, 6 electrically conducting transparents
Film, 7 frames, 8 tapered protrusions, 9 silver coatings, 10 positive electrodes, 11 negative electrodes, 12 glassy layers, 13 substrate layers.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, a kind of solar-energy photo-voltaic cell structure, including P-type layer 1 and N-type layer 2, the P-type layer 1 are located at N
The lower section of type layer 2 is provided with PN types layer 3 between the P-type layer 1 and N-type layer 2, the top of the N-type layer 2 is fixedly connected with two
The top of silica protective film 4, the silicon dioxide protective film 4 is fixedly connected with transparent conductive film 6, the transparent conductive film 6
Top be uniformly fixedly connected with tapered protrusion 8, be provided with layer of transparent glassy layer 5 above the outside of the transparent conductive film 6,
One layer of silver coating 9 is provided between the tapered protrusion 8 and transparent conductive film 6, the top of the silver coating 9 is fixedly connected with just
The lower surface of electrode 10, the P-type layer 1 is provided with negative electrode 11.
Specifically, the P-type layer 1, N-type layer 2, PN types layer 3, silicon dioxide protective film 4 and transparent glass layer 5 outside set
It is equipped with frame 7.
Specifically, the tapered protrusion 8, which is located on the outer surface of silver coating 9, is provided with glassy layer 12.
Specifically, the tapered protrusion 8 is evenly arranged on the upper surface of transparent conductive film 6.
Specifically, the lower section of the P-type layer 1 is fixedly connected with substrate layer 13.
Specifically, the frame 7 uses aluminum alloy material, and frame 7 is fixed by bolt.
Operation principle：The solar-energy photo-voltaic cell structure, in use, by the P-type layer 1 and N-type layer 2 of setting, in P-type layer
1 is located at the lower section of N-type layer 2, and PN types layer 3 is provided between P-type layer 1 and N-type layer 2, two are fixedly connected in the top of N-type layer 2
The top of silica protective film 4, silicon dioxide protective film 4 is fixedly connected with transparent conductive film 6, and the top of transparent conductive film 6 is equal
It is even to be fixedly connected with tapered protrusion 8, be provided with layer of transparent glassy layer 5 above the outside of transparent conductive film 6, tapered protrusion 8 with
It is provided with one layer of silver coating 9 between transparent conductive film 6, the top of silver coating 9 is fixedly connected with positive electrode 10, under P-type layer 1
Surface is provided with negative electrode 11, the utility model reasonable design, simple in structure, by the tapered protrusion 8 of setting, plays expansion light
The big effect of product of showing up, makes in more sunlights to photovoltaic panel, efficiency of fuel cell generation is high, is worth promoting.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of solar-energy photo-voltaic cell structure, including P-type layer（1）And N-type layer（2）, it is characterised in that：The P-type layer（1）Position
In N-type layer（2）Lower section, the P-type layer（1）And N-type layer（2）Between be provided with PN type layers（3）, the N-type layer（2）Top
It is fixedly connected with silicon dioxide protective film（4）, the silicon dioxide protective film（4）Top be fixedly connected with transparent conductive film
（6）, the transparent conductive film（6）Top be uniformly fixedly connected with tapered protrusion（8）, the transparent conductive film（6）Outside
Top is provided with layer of transparent glassy layer（5）, the tapered protrusion（8）With transparent conductive film（6）Between be provided with one layer it is silver-plated
Layer（9）, the silver coating（9）Top be fixedly connected with positive electrode（10）, the P-type layer（1）Lower surface be provided with negative electricity
Pole（11）.
2. a kind of solar-energy photo-voltaic cell structure according to claim 1, it is characterised in that：The P-type layer（1）, N-type layer
（2）, PN type layers（3）, silicon dioxide protective film（4）And transparent glass layer（5）Outside be provided with frame（7）.
3. a kind of solar-energy photo-voltaic cell structure according to claim 1, it is characterised in that：The tapered protrusion（8）Position
In silver coating（9）Outer surface on be provided with glassy layer（12）.
4. a kind of solar-energy photo-voltaic cell structure according to claim 1, it is characterised in that：The tapered protrusion（8）
It is even to be arranged in transparent conductive film（6）Upper surface on.
5. a kind of solar-energy photo-voltaic cell structure according to claim 1, it is characterised in that：The P-type layer（1）Lower section
It is fixedly connected with substrate layer（13）.
6. a kind of solar-energy photo-voltaic cell structure according to claim 2, it is characterised in that：The frame（7）Using aluminium
Alloy material, and frame（7）It is fixed by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820233486.7U CN207938626U (en) | 2018-02-09 | 2018-02-09 | A kind of solar-energy photo-voltaic cell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820233486.7U CN207938626U (en) | 2018-02-09 | 2018-02-09 | A kind of solar-energy photo-voltaic cell structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207938626U true CN207938626U (en) | 2018-10-02 |
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ID=63652110
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820233486.7U Expired - Fee Related CN207938626U (en) | 2018-02-09 | 2018-02-09 | A kind of solar-energy photo-voltaic cell structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207938626U (en) |
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2018
- 2018-02-09 CN CN201820233486.7U patent/CN207938626U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20210209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |