JPS62216275A - High-performance solar cell - Google Patents
High-performance solar cellInfo
- Publication number
- JPS62216275A JPS62216275A JP61057129A JP5712986A JPS62216275A JP S62216275 A JPS62216275 A JP S62216275A JP 61057129 A JP61057129 A JP 61057129A JP 5712986 A JP5712986 A JP 5712986A JP S62216275 A JPS62216275 A JP S62216275A
- Authority
- JP
- Japan
- Prior art keywords
- outermost layer
- layer
- solar cell
- refractive index
- component
- 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
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 239000002033 PVDF binder Substances 0.000 abstract description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 abstract description 6
- 229910052731 fluorine Inorganic materials 0.000 abstract description 5
- 239000011737 fluorine Substances 0.000 abstract description 5
- 239000011521 glass Substances 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 abstract description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 abstract description 2
- 150000002484 inorganic compounds Chemical class 0.000 abstract description 2
- 229910010272 inorganic material Inorganic materials 0.000 abstract description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 2
- 239000000470 constituent Substances 0.000 abstract 1
- -1 fluorine group organic compound Chemical class 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 19
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- 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
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は高性能太陽電池に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to high performance solar cells.
［従来の技術］
近年、太陽電池は各種型中等の民生用を始め、離島等、
従来の発電が困難であった地域の動力源、照明用等、極
めて多方面に使用され始めた。[Conventional technology] In recent years, solar cells have been used for various types of consumer use, as well as for remote islands, etc.
It began to be used in a wide variety of applications, including as a source of power and for lighting in areas where conventional power generation was difficult.
しかし、今後更に大きく伸びるにはその電力変換効率を
高く上げることが最も急務である。However, for further growth in the future, it is most urgent to increase the power conversion efficiency.
従来においては、素材の改質、または素材の出発物質を
改善することにより、改善しようとしたが、光から電力
への変換効率が低いのが現状である。In the past, attempts have been made to improve this by modifying the material or improving the starting material of the material, but the current situation is that the conversion efficiency from light to electricity is low.
［発明が解決しようとする問題点］
本発明の目的は、現状の太陽電池の光から電力への変換
効率（以下、光電変換効率と称する）を高める太陽電池
を提供することにある。[Problems to be Solved by the Invention] An object of the present invention is to provide a solar cell that increases the light-to-power conversion efficiency (hereinafter referred to as photoelectric conversion efficiency) of the current solar cell.
［問題点を解決するための手段］
かかる現状に鑑み、本発明者らは従来の研究方向にとら
れれることなく、多方向から鋭意検討を重ねた結果、本
発明に到達したものである。[Means for Solving the Problems] In view of the current situation, the present inventors have arrived at the present invention as a result of intensive studies from multiple directions without being limited to conventional research directions.
すなわち、本発明はかかる問題点を解決するため、以下
の構成を有する。That is, in order to solve this problem, the present invention has the following configuration.
（１）太陽電池の受光面のカバー材お１が少なくとも２
種の材料からなり、最表層の材Ｈの屈折率が第２層（最
表層の内側の材料）の屈折率Ｊ、り低いことを特徴とす
る高性能太陽電池。(1) At least 2 pieces of cover material on the light-receiving surface of the solar cell
A high-performance solar cell characterized in that the refractive index of the outermost layer material H is lower than the refractive index J of the second layer (material inside the outermost layer).
（２） 最表層の月利の厚さが、波長と以下の関係が
ある特許請求の範囲第（１）項記載の高性能太陽電池。(2) The high-performance solar cell according to claim (1), wherein the thickness of the outermost layer has the following relationship with the wavelength.
ｄ； （’ｌ／４）Ｘ （λ／ｎ１ ） Ｘ （２ｎ＋
１ ＞ただし、ｄ：最表層材料の厚さ
λ：波長
ｎｌ：１８表層材お１の屈折率
ｎ：０以上の整数
以下、本発明をさらに詳細に説明する
本発明は上述のＪ：うに極めて簡単な手段により光電交
換効率を極めて高くできることは全く驚くべきことであ
る。d; ('l/4)X (λ/n1)X (2n+
1 > However, d: thickness of the outermost layer material λ: wavelength nl: 18 refractive index of the surface layer material 1 n: an integer greater than or equal to 0. It is quite surprising that the photovoltaic exchange efficiency can be made extremely high by simple means.
本発明の太陽電池のカバー材料は少イＴくとも２種より
形成される。The cover material of the solar cell of the present invention is formed from at least two types.
そして、最表層構成材料の屈折率は第２層構成かかる条
件を満たすものであれば、該部分を構成するｖＪ￥４は
特に限定されるものではなく、従来公知の高透明性固体
月利が適用できる。The refractive index of the material constituting the outermost layer is not particularly limited as long as it satisfies the conditions for the second layer. Applicable.
最表層構成物質の特に好ましい代表例としては、ポリフ
ッ化ビニリデン等のフッ素系有機化合物、またフッ化カ
ルシウム等の含フツ素無機化合物、含フツ素ガラス、石
英ガラス等が挙げられる。Particularly preferable representative examples of the material constituting the outermost layer include fluorine-based organic compounds such as polyvinylidene fluoride, fluorine-containing inorganic compounds such as calcium fluoride, fluorine-containing glass, and quartz glass.
そして第２層構成 い屈折率を有するものとする。And the second layer configuration It shall have a high refractive index.
第２層構成材料は特に限定されるものではなく、従来公
知の高透明性固体材おＩが適用できる。なお、本月利も
できるだけ低屈折率であることが好ましい。そして、最
表層と第２層の間には空隙は存在せず、接合されている
ものとする。The material constituting the second layer is not particularly limited, and conventionally known highly transparent solid materials can be used. Note that it is also preferable that the monthly interest rate has a refractive index as low as possible. Further, it is assumed that no void exists between the outermost layer and the second layer, and they are bonded to each other.
そして、本発明の特に好ましい実施太陽の一つは最表層
と第２層の月利の間に次の関係を有することである。One of the particularly preferred implementations of the present invention is to have the following relationship between the monthly interest rates of the outermost layer and the second layer.
すなわら、
ｄ≒（１／４）ｘ（λ／ｎ１）ｘ （２ｎ＋１ ）ただ
し、ｄ：最表層材料の厚さ
λ：波長
ｎｌ：最表層材料の屈折率
ｎ：０以上の整数
なお、本発明の屈折率とは、ナｉ〜リウムＤ線（波長５
８９．３μｍ）での値を用いるものとする。In other words, d≒(1/4) x (λ/n1) x (2n+1) However, d: Thickness of the outermost layer material λ: Wavelength nl: Refractive index of the outermost layer material n: An integer of 0 or more. The refractive index of the present invention refers to the N-D line (wavelength 5
89.3 μm) shall be used.
次に本発明の太陽電池は例えば次のような方法によって
作られる。Next, the solar cell of the present invention is produced, for example, by the following method.
例えば、まず第２層まで太陽電池を作り、しかる後第２
層の表面に低屈折効率物質をコーｉ・する方法、あるい
は先に第２層の材料を複合化しておき、それを太陽電池
のカバー材料とする方法等が代表的なものである。For example, first make a solar cell up to the second layer, and then
Typical methods include coating the surface of the layer with a material with low refractive efficiency, or first compounding the second layer material and using it as a cover material for the solar cell.
カバー材料の複合化は従来公知の手段が適用できる。Conventionally known means can be applied to compose the cover material.
［発明の作用］
本発明はかかる構成をとることにより、何故効果を発現
するかの詳細は不明であるが、本発明の構成をとること
により、カバ一部での反射が少なくなったことがその主
因子であると思われる。[Action of the Invention] Although the details of why the present invention achieves such an effect by adopting such a configuration are unknown, it is clear that by adopting the configuration of the present invention, reflections at a portion of the cover are reduced. This seems to be the main factor.
［実施例］ 以下実施例により更に詳しく説明する。[Example] This will be explained in more detail below with reference to Examples.
なお、本発明で使用する光源はすトリウムＤ線（λ−５
８９．３ｎ…）を用いて測定した。Note that the light source used in the present invention is thorium D line (λ-5
89.3n...).
実施例１
太陽電池のカバー面の屈折率が１．５９であるガラスで
太陽電池を作った。該ガラスの表面に屈折率１．４０の
ポリフッ化ビニリデン（ＤＭＦ溶液）をコーティングし
て乾燥し、厚さ約０．１μの膜を形成した。Example 1 A solar cell was made of glass whose cover surface had a refractive index of 1.59. Polyvinylidene fluoride (DMF solution) having a refractive index of 1.40 was coated on the surface of the glass and dried to form a film with a thickness of about 0.1 μm.
本太陽電池の出力を測定したところ、その出力はポリフ
ッ化ビニリデンの未口−ト品に比較して８％向上してい
た。When the output of this solar cell was measured, the output was 8% higher than that of an unopened polyvinylidene fluoride product.
実施例２
実施例１の表面非コート太陽電池に、実施例１のポリフ
ッ化ビニリデンをコートして乾燥し、厚さ約１μの膜を
形成した。Example 2 The surface-uncoated solar cell of Example 1 was coated with polyvinylidene fluoride of Example 1 and dried to form a film with a thickness of about 1 μm.
本太陽電池の出力を測定したところ、その出力はポリフ
ッ化ビニリデンの未口−ト品に比較して、５％向上して
いた。When the output of this solar cell was measured, the output was 5% higher than that of an unopened polyvinylidene fluoride product.
［発明の効果］
本発明はかかる構成をとることにより、下記す＝ ６
−
るような極めて大きな効果を発揮する。[Effects of the Invention] By adopting such a configuration, the present invention achieves the following = 6
− Demonstrates extremely large effects such as:
（１） 光電変換効率が向上する。(1) Photoelectric conversion efficiency is improved.
（２）極めて容易に本発明の太陽電池を作れる。(2) The solar cell of the present invention can be made extremely easily.
このためコストダウンが出来る。Therefore, costs can be reduced.
（３）特に太陽電池の表面に低屈折物質をコートする場
合、従来の太陽電池の光電変換効率を向上でき、新品切
替に伴うコストアップを大幅に低減できる。(3) In particular, when the surface of the solar cell is coated with a low refractive material, the photoelectric conversion efficiency of conventional solar cells can be improved, and the cost increase associated with replacing new solar cells can be significantly reduced.
Claims (2)
の材料からなり、最表層の材料の屈折率が第２層（最表
層の内側の材料）の屈折率より低いことを特徴とする高
性能太陽電池。(1) The cover material of the light-receiving surface of the solar cell is made of at least two types of materials, and the refractive index of the outermost layer material is lower than the refractive index of the second layer (the material inside the outermost layer). Performance solar cells.
特許請求の範囲第（１）項記載の高性能太陽電池。 ｄ≒（１／４）×（λ／ｎ＿１）×（２ｎ＋１）ただし
、ｄ：最表層材料の厚さ λ：波長 ｎ＿１：最表層材料の屈折率 ｎ：０以上の整数(2) The high-performance solar cell according to claim (1), in which the thickness of the outermost layer material has the following relationship with the wavelength. d≒(1/4)×(λ/n_1)×(2n+1) However, d: Thickness of the outermost layer material λ: Wavelength n_1: Refractive index of the outermost layer material n: An integer of 0 or more
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61057129A JPS62216275A (en) | 1986-03-17 | 1986-03-17 | High-performance solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61057129A JPS62216275A (en) | 1986-03-17 | 1986-03-17 | High-performance solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62216275A true JPS62216275A (en) | 1987-09-22 |
Family
ID=13046949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61057129A Pending JPS62216275A (en) | 1986-03-17 | 1986-03-17 | High-performance solar cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62216275A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05129644A (en) * | 1991-10-31 | 1993-05-25 | Sharp Corp | Cover glass for solar cell |
| JP2011206747A (en) * | 2010-03-30 | 2011-10-20 | Asahi Kasei E-Materials Corp | Functional coating film |
-
1986
- 1986-03-17 JP JP61057129A patent/JPS62216275A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05129644A (en) * | 1991-10-31 | 1993-05-25 | Sharp Corp | Cover glass for solar cell |
| JP2011206747A (en) * | 2010-03-30 | 2011-10-20 | Asahi Kasei E-Materials Corp | Functional coating film |
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