CN102969386A - Novel solar battery piece - Google Patents
Novel solar battery piece Download PDFInfo
- Publication number
- CN102969386A CN102969386A CN2012104765963A CN201210476596A CN102969386A CN 102969386 A CN102969386 A CN 102969386A CN 2012104765963 A CN2012104765963 A CN 2012104765963A CN 201210476596 A CN201210476596 A CN 201210476596A CN 102969386 A CN102969386 A CN 102969386A
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- China
- Prior art keywords
- monocrystalline silicon
- silicon piece
- novel solar
- district
- metal electrode
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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 invention discloses a novel solar battery piece which comprises a monocrystalline silicon piece, wherein the monocrystalline silicon piece comprises a P-region; the upper surface of the monocrystalline silicon piece serves as the N+region and a PN+junction is formed; a metal electrode is arranged at the top part area of the monocrystalline silicon piece; a metal bottom electrode is arranged at the bottom part area of the monocrystalline silicon piece; and the metal electrode and the metal bottom electrode are respectively in ohmic contact with the N+region and a P-region. With the adoption of the mode, the novel solar battery piece provided by the invention is simple in structure, safe and convenient to use and low in cost, and has the function of converting the optical energy into the electric energy.
Description
Technical field
The present invention relates to area of solar cell, particularly relate to a kind of novel solar cell slices.
Background technology
Facing mankind limited conventional energy resource and the serious dual-pressure of environmental disruption.The society and the environmental problem that more and more merit attention have been become.Because human continuous demand to regenerative resource.Impel people to be devoted to the development of new energy.The sun can be for the present speed 1 year of energy-consuming in the whole world at the energy of 40min internal radiation band earth surface.Reasonably making good use of solar energy will be the human developing long-term strategy that solves energy problem, be one of study hotspot that wherein attracts most attention.The solar cell cost is high, and therefore also not extensive development needs to make the solar battery sheet that a kind of cost is lower, performance is outstanding at present.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of novel solar cell slices, and is simple in structure, safe and convenient to use, and cost is low, and having light energy conversion is the function of electric energy.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of novel solar cell slices is provided, comprise: monocrystalline silicon piece, described monocrystalline silicon piece contains the P district, the upper surface of described monocrystalline silicon piece is that the N+ district forms a PN+ knot, described monocrystalline silicon piece top area has metal electrode, and described monocrystalline silicon piece bottom section has metallic bottom electrode, and described metal electrode and metallic bottom electrode form ohmic contact with N+ district and P district respectively.
In a preferred embodiment of the present invention, described monocrystalline silicon piece is p type single crystal silicon.
In a preferred embodiment of the present invention, the thickness of described monocrystalline silicon piece is 0.3-0.5mm.
In a preferred embodiment of the present invention, described metal electrode is metal electrode of the grating.
In a preferred embodiment of the present invention, the upper surface of described metal electrode scribbles antireflective coating.
The invention has the beneficial effects as follows: novel solar cell slices of the present invention, simple in structure, safe and convenient to use, cost is low, and having light energy conversion is the function of electric energy.
Description of drawings
Fig. 1 is the structural representation of novel solar cell slices one preferred embodiment of the present invention;
The mark of each parts is as follows in the accompanying drawing: 1, metal electrode, 2, the N+ district, 3, monocrystalline silicon piece, 4, the P district, 5, metallic bottom electrode.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
See also Fig. 1, a kind of novel solar cell slices, comprise: monocrystalline silicon piece 3, described monocrystalline silicon piece 3 contains P district 4, the upper surface of described monocrystalline silicon piece 3 is that N+ district 2 forms a PN+ knot, described monocrystalline silicon piece 3 top area have metal electrode 1, and described monocrystalline silicon piece 3 bottom sections have metallic bottom electrode 5, and described metal electrode 1 and metallic bottom electrode 5 form ohmic contact with N+ district 2 and P district 4 respectively.
In addition, described monocrystalline silicon piece 3 is p type single crystal silicon, and the monocrystaline silicon solar cell conversion efficiency is the highest, and technology is also ripe.
In addition, the thickness of described monocrystalline silicon piece 3 is 0.3-0.5mm, reduces volume, is convenient to extensive utilization.
In addition, described metal electrode 1 is metal electrode of the grating, and contact area is large, and the electric energy of conversion is more powerful.
In addition, the upper surface of described metal electrode 1 scribbles antireflective coating, increases light transmission capacity, reduces stray light.
A kind of novel solar cell slices specific works of the present invention principle is as follows: when entering utilizing emitted light and impinge upon battery surface, photon passes antireflective coating and enters in the silicon, energy in N+ district 2, inspires light induced electron in PN+ knot space charge region and the P district 4 greater than the photon of silicon energy gap.If the photo-generated carrier in each district can be crossed depletion region before compound, just luminous voltage is made contributions.Light induced electron stays in N+ district 2, and photohole stays in P district 4, forms the accumulation of positive and negative charge in the both sides of PN+ knot, produces photovoltage, and this is photovoltaic effect.After one load of photovoltaic cell two terminations, photocell just from P district 4 through load flow to N+ district 2, power stage is just arranged in the load.
Be different from prior art, novel solar cell slices of the present invention, simple in structure, safe and convenient to use, cost is low, and having light energy conversion is the function of electric energy.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (5)
1. novel solar cell slices, it is characterized in that, comprise: monocrystalline silicon piece, described monocrystalline silicon piece contains the P district, the upper surface of described monocrystalline silicon piece is that the N+ district forms a PN+ knot, described monocrystalline silicon piece top area has metal electrode, and described monocrystalline silicon piece bottom section has metallic bottom electrode, and described metal electrode and metallic bottom electrode form ohmic contact with N+ district and P district respectively.
2. novel solar cell slices according to claim 1 is characterized in that, described monocrystalline silicon piece is p type single crystal silicon.
3. novel solar cell slices according to claim 1 is characterized in that, the thickness of described monocrystalline silicon piece is 0.3-0.5mm.
4. novel solar cell slices according to claim 1 is characterized in that, described metal electrode is metal electrode of the grating.
5. novel solar cell slices according to claim 1 is characterized in that, the upper surface of described metal electrode scribbles antireflective coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104765963A CN102969386A (en) | 2012-11-22 | 2012-11-22 | Novel solar battery piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104765963A CN102969386A (en) | 2012-11-22 | 2012-11-22 | Novel solar battery piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102969386A true CN102969386A (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104765963A Pending CN102969386A (en) | 2012-11-22 | 2012-11-22 | Novel solar battery piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102969386A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090250105A1 (en) * | 2007-09-28 | 2009-10-08 | Stion Corporation | Thin film metal oxide bearing semiconductor material for single junction solar cell devices |
| CN102097497A (en) * | 2010-12-27 | 2011-06-15 | 重庆大学 | Solar cell with high conversion efficiency |
| CN202930419U (en) * | 2012-11-22 | 2013-05-08 | 常州兆阳光能科技有限公司 | Novel solar cell |
-
2012
- 2012-11-22 CN CN2012104765963A patent/CN102969386A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090250105A1 (en) * | 2007-09-28 | 2009-10-08 | Stion Corporation | Thin film metal oxide bearing semiconductor material for single junction solar cell devices |
| CN102097497A (en) * | 2010-12-27 | 2011-06-15 | 重庆大学 | Solar cell with high conversion efficiency |
| CN202930419U (en) * | 2012-11-22 | 2013-05-08 | 常州兆阳光能科技有限公司 | Novel solar cell |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130313 |