CN202454563U - Solar battery - Google Patents
Solar battery Download PDFInfo
- Publication number
- CN202454563U CN202454563U CN2011205624272U CN201120562427U CN202454563U CN 202454563 U CN202454563 U CN 202454563U CN 2011205624272 U CN2011205624272 U CN 2011205624272U CN 201120562427 U CN201120562427 U CN 201120562427U CN 202454563 U CN202454563 U CN 202454563U
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- Prior art keywords
- solar cell
- solar battery
- polysilicon substrate
- carbon nano
- nano tube
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a solar battery. The solar battery comprises a polycrystalline silicone substrate, a back electrode, an ohmic device, a carbon nanotube structure and a photovoltaic thin film. The back electrode is adjacent to the photovoltaic thin film which is arranged on the lower surface of the polycrystalline silicone substrate. The solar battery can have very good sunlight transmission by adopting the structure as a photovoltaic conversion material; and the photoelectric conversion efficiency of the solar battery can be increased by adopting the carbon nanotube structure as an upper electrode; and the carbon nanotube structure has the dual functions of photoelectric conversion and the upper electrode; and the solar battery has simple structure as a phosphorous or arsenic layer is not needed.
Description
Technical field
The utility model relates to a kind of solar cell.
Background technology
Solar energy is one of energy that cleans most now, and is inexhaustible, nexhaustible.The mode of utilizing of solar energy comprises luminous energy one thermal power transfer, the conversion of luminous energy one electric energy and the conversion of luminous energy one chemical energy.Solar cell is
The exemplary of luminous energy one electric energy conversion is to utilize the photogenic voltage principle of semi-conducting material to process.At present, solar cell is main with silica-based solar cell.In silica-based solar cell, with monocrystalline silicon and polysilicon material as opto-electronic conversion.Usually make solar cell with monocrystalline silicon piece.Yet at present the preparation technology of monocrystalline silicon far can not satisfy the needs of solar cell development, and preparation monocrystalline silicon need consume a large amount of electric energy, causes monocrystalline silicon piece very expensive, makes that the solar cell that uses monocrystalline silicon piece is also very expensive.In recent years, the cost with silicon solar cell of polysilicon substrate falls day by day, and its output significantly increases.
Summary of the invention
The technical scheme that its technical problem of the utility model solution is taked is: a kind of solar cell; Comprise by polysilicon substrate, back electrode, ohm, carbon nano tube structure, photovoltaic film and forming; Said back electrode next-door neighbour photovoltaic film; Photovoltaic film is arranged at the lower surface of polysilicon substrate, through adopting this structure as photoelectric conversion material, can have good light transmission to sunlight.
The purpose of the utility model is to provide a kind of solar cell, comprises by polysilicon substrate, back electrode, ohm, carbon nano tube structure, photovoltaic film forming, said back electrode next-door neighbour photovoltaic film, and photovoltaic film is arranged at the lower surface of polysilicon substrate.
The lower surface ohmic contact of said photovoltaic film and this polysilicon substrate.
Said solar cell comprises a carbon nano tube structure.
This carbon nano tube structure is arranged at the upper surface of said polysilicon substrate, and contacts with the upper surface of this polysilicon substrate.
The beneficial effect of the utility model is: through adopting this structure as photoelectric conversion material, can have good light transmission to sunlight, adopt carbon nano tube structure as top electrode, can improve the photoelectric conversion efficiency of solar cell; Carbon nano tube structure plays the double action of opto-electronic conversion and top electrode in solar cell, and need not phosphorus or arsenic layer, and is therefore simple in structure.
Description of drawings
Fig. 1 is the structural representation of solar cell that the utility model provides;
101-electrode, 102-polysilicon substrate, 103-carbon nano tube structure, 104-ohm, 105-photovoltaic film, 106-back electrode among the figure.
Embodiment
Below in conjunction with accompanying drawing the solar cell that the utility model provided is carried out step explanation:
As shown in Figure 1; Solar cell; Comprise by polysilicon substrate 102, back electrode 106, ohm 104, carbon nano tube structure 103, photovoltaic film and form 105, said back electrode 106 next-door neighbour's photovoltaic films 105, photovoltaic film 105 is arranged at the lower surface of polysilicon substrate 102.
Said photovoltaic film 105 contacts with lower surface ohm 104 of this polysilicon substrate 105.
Said solar cell comprises a carbon nano tube structure 103.
This carbon nano tube structure 103 is arranged at the upper surface of said polysilicon substrate 102, and contacts with the upper surface of this polysilicon substrate 102.
The material of back electrode 106 can be metals such as aluminium, magnesium or iron chains.The thickness of said back electrode 106 is 1 micron～400 microns, and the shape and the thickness of back electrode 12 are not limit.
Carbon nano tube structure 1 03 can be one deck shape structure, comprises a plurality of equally distributed CNTs.This carbon nano tube structure has the good power that absorbs solar energy, and in said solar cell, plays the double action of photoelectric conversion material and top electrode.This carbon nano tube structure comprises disordered carbon nanotube layer or ordered carbon nanotube layer.
Claims (4)
1. a solar cell is characterized in that, comprises by polysilicon substrate, back electrode, ohm, carbon nano tube structure, photovoltaic film and forming, said back electrode next-door neighbour photovoltaic film, and photovoltaic film is arranged at the lower surface of polysilicon substrate.
2. solar cell as claimed in claim 1 is characterized in that, the lower surface ohmic contact of said photovoltaic film and this polysilicon substrate.
3. solar cell as claimed in claim 1 is characterized in that said solar cell comprises a carbon nano tube structure.
4. like the described solar cell of claim 1-3, it is characterized in that this carbon nano tube structure is arranged at the upper surface of said polysilicon substrate, and contact with the upper surface of this polysilicon substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205624272U CN202454563U (en) | 2011-12-29 | 2011-12-29 | Solar battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205624272U CN202454563U (en) | 2011-12-29 | 2011-12-29 | Solar battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202454563U true CN202454563U (en) | 2012-09-26 |
Family
ID=46870399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205624272U Expired - Fee Related CN202454563U (en) | 2011-12-29 | 2011-12-29 | Solar battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202454563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269447A (en) * | 2014-09-19 | 2015-01-07 | 无锡中能晶科新能源科技有限公司 | Polycrystalline silicon solar cell panel |
-
2011
- 2011-12-29 CN CN2011205624272U patent/CN202454563U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269447A (en) * | 2014-09-19 | 2015-01-07 | 无锡中能晶科新能源科技有限公司 | Polycrystalline silicon solar cell panel |
| CN104269447B (en) * | 2014-09-19 | 2016-06-22 | 无锡赛晶太阳能有限公司 | A kind of polysilicon solar cell plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen New Energy Development Co., Ltd. Assignor: Cai Minhua Contract record no.: 2012440020429 Denomination of utility model: Luminous street lamp of using solar battery Granted publication date: 20120926 License type: Exclusive License Record date: 20121226 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20131229 |