JP3349318B2 - Solar cell module - Google Patents

Solar cell module

Info

Publication number
JP3349318B2
JP3349318B2 JP33272895A JP33272895A JP3349318B2 JP 3349318 B2 JP3349318 B2 JP 3349318B2 JP 33272895 A JP33272895 A JP 33272895A JP 33272895 A JP33272895 A JP 33272895A JP 3349318 B2 JP3349318 B2 JP 3349318B2
Authority
JP
Japan
Prior art keywords
solar cell
elements
adjacent
trapezoidal
cell element
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.)
Expired - Fee Related
Application number
JP33272895A
Other languages
Japanese (ja)
Other versions
JPH09148601A (en
Inventor
博信 辻本
利夫 浅海
裕幸 谷口
泰男 門永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP33272895A priority Critical patent/JP3349318B2/en
Publication of JPH09148601A publication Critical patent/JPH09148601A/en
Application granted granted Critical
Publication of JP3349318B2 publication Critical patent/JP3349318B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/0248Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
    • H01L31/0352Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions
    • H01L31/035272Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions characterised by at least one potential jump barrier or surface barrier
    • H01L31/035281Shape of the body
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042PV modules or arrays of single PV cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、太陽光等の光エネ
ルギを電気エネルギに直接変換する太陽電池素子及び太
陽電池モジュールに関する。
The present invention relates to a solar cell element and a solar cell module for directly converting light energy such as sunlight into electric energy.

【0002】[0002]

【従来の技術】従来の太陽電池素子は、その基板となる
単結晶シリコンが円柱状のインゴットから作り出される
ため、図3Aの破線で示す円形であり、有効面積の大き
な太陽電池モジュールの形成に際し、同図の実線に示す
ように、角の落ちた四角形状の素子1に形成するのが一
般的である。
2. Description of the Related Art A conventional solar cell element has a circular shape shown by a broken line in FIG. 3A because single crystal silicon as a substrate is formed from a cylindrical ingot. As shown by the solid line in the figure, it is common to form the element 1 having a square shape with a reduced angle.

【0003】そして、図3Bに示すように、同面積の四
角形状の素子1を上下左右に配列し、四角形状のモジュ
ール2が形成される。
[0003] Then, as shown in FIG. 3B, square elements 1 having the same area are arranged vertically and horizontally to form a square module 2.

【0004】[0004]

【発明が解決しようとする課題】従来の前記太陽電池素
子1の場合、切り捨てる部分3が大きく、無駄になる。
一方、切り捨てる部分3を少なくしてモジュール2を形
成すると、図3Bに示す各素子1間の無効部分4が大き
くなるという問題点がある。
In the case of the conventional solar cell element 1, the portion 3 to be cut off is large and wasteful.
On the other hand, when the module 2 is formed by reducing the portion 3 to be discarded, there is a problem that the invalid portion 4 between the elements 1 shown in FIG. 3B becomes large.

【0005】ところで、切り捨てる部分3の少ない素子
として、図4に示す正六角形状の素子5が考えられる
が、この素子5を用いて四角形のモジュールを形成した
場合、モジュールの中心部の無効部分は少なくなるとし
ても、モジュールの周縁部で凹凸を生じ、無効部分が大
きくなるという問題点がある。
By the way, a regular hexagonal element 5 shown in FIG. 4 can be considered as an element having a small portion 3 to be discarded. When this element 5 is used to form a quadrangular module, the ineffective portion at the center of the module is Even if the number is reduced, there is a problem that unevenness occurs at the peripheral portion of the module, and the invalid portion becomes large.

【0006】本発明は、前記の点に留意し、切り捨てる
部分の少ない太陽電池素子を提供し、かつ、大きな有効
面積を有する太陽電池モジュールを提供することを目的
とする。
The present invention has been made in view of the above points, and has as its object to provide a solar cell element having a small portion to be cut off and to provide a solar cell module having a large effective area.

【0007】[0007]

【0008】[0008]

【0009】[0009]

【0010】[0010]

【課題を解決するための手段】 前記課題を解決するため
に、本発明の請求項1の 太陽電池モジュールは、正六角
形状の対向する頂点を結ぶ線により半分に分割すること
で得られる台形状の太陽電池素子を,2個組み合わせて
正六角形状に形成し、この正六角形状の素子を上下左右
に隣接して配列し、左側及び右側の欠如部にそれぞれ前
記台形状の素子を隣接して配列し、左側及び右側の各素
子の側縁を直線状にしたモジュールにおいて、上端部ま
たは下端部の少なくとも一方に,正六角形状の対向する
辺の中心を結ぶ線により半分に分割することで得られる
五角形状の太陽電池素子を,隣接する太陽電池素子と対
向する辺が平行関係になるように配列し、上端部又は下
端部の各素子の側縁を直線状にしたものである。
Means for Solving the Problems] To solve the above problems
The solar cell module according to claim 1 of the present invention has a regular hexagonal shape.
Divide the shape into two halves by connecting the opposite vertices of the shape
Combine two trapezoidal solar cell elements obtained by
Form a regular hexagon, and insert this regular hexagonal element
Are arranged adjacent to each other, with the left and right
The trapezoidal elements are arranged adjacent to each other, and the left and right elements
In a module in which the side edges of the child are straight , a regular hexagonal shape is opposed to at least one of the upper end or the lower end.
The pentagonal solar cell elements obtained by dividing the half by a line connecting the centers of the sides are arranged so that the sides facing the adjacent solar cell elements are in a parallel relationship, and the upper end or the lower end is arranged. The side edge of each element of the section is linear.

【0011】さらに、請求項の太陽電池モジュール
は、正六角形状の対向する辺の中心を結ぶ線により半分
に分割することで得られる五角形状の太陽電池素子を,
2個組み合わせて正六角形状に形成し、この正六角形状
の素子を上下ないしは左右に隣接して配列し、上端部及
び下端部にそれぞれ,正六角形状の対向する頂点を結ぶ
線により半分に分割することで得られる台形状の太陽電
池素子を,隣接する太陽電池素子と対向する辺が平行関
係になるように配列し、左側及び右側にそれぞれ前記五
角形状の素子を,隣接する太陽電池素子と対向する辺が
平行関係になるように配列し、左側及び右側の各素子の
側縁を直線状にしたものである。従って、有効面積を拡
大でき、モジュールとしてのコストを下げることができ
る。
Further, in the solar cell module according to the second aspect , the line connecting the centers of the opposite sides of the regular hexagonal shape is reduced by half.
The pentagonal solar cell element obtained by dividing into
The two elements are combined to form a regular hexagon, and the regular hexagonal elements are arranged vertically or horizontally adjacent to each other, and the opposite vertices of the regular hexagon are connected to the upper end and the lower end, respectively.
The trapezoidal solar cell elements obtained by dividing into half by the line are arranged so that the sides facing the adjacent solar cell elements are in a parallel relationship, and the pentagonal elements are respectively adjoined on the left and right sides. The solar cell elements are arranged so that the sides facing each other have a parallel relationship, and the side edges of the left and right elements are linear. Therefore, the effective area can be increased, and the cost as a module can be reduced.

【0012】[0012]

【発明の実施の形態】実施の形態につき、図1及び図2
を参照して説明する。 (形態1)まず、形態1の平面図を示した図1におい
て、6は台形状の太陽電池素子であり、円柱状のインゴ
ットを正六角柱状にカットし、その後、ウェハ状にスラ
イスし、接合形成,電極形成等のプロセスを経て正六角
形状の素子5を形成し、その後、ダイシングソー,スク
ライバ等により、正六角形状の素子5を、対向する頂点
を結ぶ線により台形状に2分割している。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 and FIG.
This will be described with reference to FIG. (Embodiment 1) First, in FIG. 1 showing a plan view of Embodiment 1, reference numeral 6 denotes a trapezoidal solar cell element, in which a cylindrical ingot is cut into a regular hexagonal column, then sliced into a wafer, and joined. A regular hexagonal element 5 is formed through processes such as formation and electrode formation, and then the regular hexagonal element 5 is divided into two trapezoidal shapes by a dicing saw, a scriber, or the like, using a line connecting opposing vertices. I have.

【0013】7は五角形状の太陽電池素子であり、正六
角形状の素子5を、対向する辺の中心を結ぶ線により五
角形状に2分割している。
Reference numeral 7 denotes a pentagonal solar cell element. The regular hexagonal element 5 is divided into two pentagons by a line connecting the centers of opposing sides.

【0014】つぎに図1の長方形の太陽電池モジュール
8を形成する場合、2個の台形状の素子6を組み合わせ
て正六角形状に形成し、この正六角形状の素子を上下左
右に隣接して配列し、左側及び右側の欠如部に、それぞ
れ台形状の素子6を、隣接する各素子6と対向する辺が
平行関係になるように配列し、左側及び右側の各素子の
側縁を直線状にする。
Next, when the rectangular solar cell module 8 of FIG. 1 is formed, two trapezoidal elements 6 are combined to form a regular hexagon, and the regular hexagonal elements are vertically and horizontally adjacent to each other. The trapezoidal elements 6 are arranged in the missing portions on the left and right sides so that the sides facing the adjacent elements 6 are in a parallel relationship, and the side edges of the left and right elements are linear. To

【0015】さらに、上端部及び下端部にそれぞれ五角
形状の素子7を、隣接する各素子6と対向する辺が平行
関係になるように配列し、上端部及び下端部の各素子7
の側縁を直線状にする。
Further, pentagonal elements 7 are arranged at the upper end and the lower end, respectively, so that the sides facing the adjacent elements 6 are in a parallel relationship.
Straighten the side edge of.

【0016】つぎに、図1の各素子6,7の接続につい
て説明する。接続線9の実線は素子6,7の上面に位置
し、破線は素子6,7の裏面に位置している。
Next, connection of each of the elements 6 and 7 in FIG. 1 will be described. The solid line of the connection line 9 is located on the upper surface of the elements 6 and 7, and the broken line is located on the rear surface of the elements 6 and 7.

【0017】そして、接続線9は、左側の上端部の素子
7から下方の各素子6及び下端部の素子7を経、その下
端部の素子7から前記左側の各素子6の右側に隣接した
上方の各素子6を経、上端の素子6から右側に隣接した
素子6を経て下方の各素子6及び下端部の素子7を経、
この素子7から前記と同様上方の各素子6を接続し、最
後に上端部の素子7を接続している。
The connecting line 9 passes through the lower element 7 and the lower element 7 from the upper element 7 on the left side, and is adjacent to the right element of the left element 6 from the lower element 7. Through the upper element 6, from the upper element 6 to the right adjacent element 6, through the lower element 6 and the lower element 7,
Each element 6 above this element 7 is connected in the same manner as described above, and finally the element 7 at the upper end is connected.

【0018】なお、モジュール8が上下方向及び左右方
向に幅広の場合は、素子6の数を増やし、上端部及び下
端部にそれぞれ素子7を配列すればよい。
When the module 8 is wide in the vertical and horizontal directions, the number of the elements 6 may be increased, and the elements 7 may be arranged at the upper end and the lower end, respectively.

【0019】また、図1の上端部又は下端部の一方の素
子7を省略することもでき、上端部及び下端部の両方の
素子7を省略することもできる。
Also, one of the elements 7 at the upper end or the lower end in FIG. 1 can be omitted, and both the elements 7 at the upper end and the lower end can be omitted.

【0020】(形態2)つぎに、本発明の形態2の太陽
電池モジュール10につき、図2を参照して説明する。
五角形状の素子7を組み合わせて正六角形状に形成し、
この正六角形状の素子を上下に隣接して配列し、上端部
及び下端部にそれぞれ台形状の素子6を、隣接する太陽
電池素子7と対向する辺が平行関係になるように配列す
る。
(Embodiment 2) Next, a solar cell module 10 according to Embodiment 2 of the present invention will be described with reference to FIG.
Combine pentagonal elements 7 to form a regular hexagonal shape,
The regular hexagonal elements are arranged vertically adjacent to each other, and trapezoidal elements 6 are arranged at the upper end and the lower end, respectively, such that sides facing the adjacent solar cell elements 7 are in a parallel relationship.

【0021】つぎに、左側及び右側にそれぞれ五角形状
の素子7を、隣接する各素子6と対向する辺が平行関係
になるように配列し、左側及び右側の各素子7の側縁を
直線状にする。
Next, pentagonal elements 7 are arranged on the left and right sides, respectively, so that the sides facing the adjacent elements 6 are in a parallel relationship, and the side edges of the left and right elements 7 are linearly arranged. To

【0022】つぎに図2の各素子6,7の接続について
説明する。接続線9は、左側の上端部の素子7から下方
の各素子7を経、その下端部の素子7から右側の素子6
を経、この素子6の上方の各素子7及び上端部の素子6
を経、素子6の下方右側の各素子7を経、下端部の素子
7から右側の素子7及びその上方の各素子7を接続して
いる。
Next, the connection of the elements 6 and 7 in FIG. 2 will be described. The connection line 9 passes through each element 7 below the element 7 at the upper end on the left and the element 6 on the right from the element 7 at the lower end.
Through each element 7 above the element 6 and the element 6 at the upper end.
, Through the elements 7 on the lower right side of the element 6, and from the element 7 on the lower end to the element 7 on the right side and the elements 7 above it.

【0023】なお、モジュール10が上下方向及び左右
方向に幅広の場合は、素子7の数を増やし、上端部及び
下端部にそれぞれ素子6を配列すればよい。
When the module 10 is wide in the vertical and horizontal directions, the number of the elements 7 may be increased, and the elements 6 may be arranged at the upper end and the lower end, respectively.

【0024】また、前記形態1,形態2では、完全な正
六角形状の素子から分割した例を示したが、従来の図3
に示す角の落ちた四角形状の素子のように、正六角形状
の角を落した形状にし、円形からの切り捨てる部分を少
なくしてもよい。
In the first and second embodiments, an example in which the element is divided from a complete regular hexagonal element is shown.
The regular hexagonal element may be formed with the corners dropped as shown in the square element with the corners shown in FIG.

【0025】[0025]

【発明の効果】本発明は、以上説明したように構成され
ているため、つぎに記載する効果を奏する
Since the present invention is configured as described above, it has the following effects .

【0026】発明の太陽電池モジュールは8,10
は、六角形状を半分に分割することで得られる台形状又
は五角形状の太陽電池素子6,7を配列したため、有効
面積を拡大することができ、モジュールとしてのコスト
を下げることができる。
The solar cell module according to the present invention has 8,10
Since the trapezoidal or pentagonal solar cell elements 6 and 7 obtained by dividing the hexagonal shape into half are arranged, the effective area can be enlarged and the cost as a module can be reduced.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の実施の形態1の平面図である。FIG. 1 is a plan view of a first embodiment of the present invention.

【図2】本発明の実施の形態2の平面図である。FIG. 2 is a plan view of a second embodiment of the present invention.

【図3】Aは従来例の太陽電池素子の平面図、Bは図3
Aの素子を配列した状態の平面図である。
3A is a plan view of a conventional solar cell element, and FIG.
FIG. 2 is a plan view showing a state in which elements A are arranged.

【図4】太陽電池素子の変形列の平面図である。FIG. 4 is a plan view of a modified row of the solar cell element.

【符号の説明】[Explanation of symbols]

6 太陽電池素子 7 太陽電池素子 8 太陽電池モジュール 10 太陽電池モジュール Reference Signs List 6 solar cell element 7 solar cell element 8 solar cell module 10 solar cell module

───────────────────────────────────────────────────── フロントページの続き (72)発明者 門永 泰男 大阪府守口市京阪本通2丁目5番5号 三洋電機株式会社内 (56)参考文献 特開 昭57−24571(JP,A) 特開 昭54−2689(JP,A) 実開 昭56−112956(JP,U) 米国特許4089705(US,A) (58)調査した分野(Int.Cl.7,DB名) H01L 31/04 - 31/078 ────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Yasuo Monaga 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (56) References JP-A-57-24571 (JP, A) JP-A-54-2689 (JP, A) JP-A-56-112956 (JP, U) U.S. Pat. No. 4,089,705 (US, A) (58) Fields investigated (Int. Cl. 7 , DB name) H01L 31/04- 31/078

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 正六角形状の対向する頂点を結ぶ線によ
り半分に分割することで得られる台形状の太陽電池素子
を,2個組み合わせて正六角形状に形成し、 この正六角
形状の素子を上下左右に隣接して配列し、 左側及び右側の欠如部にそれぞれ前記台形状の素子を隣
接して配列し、 左側及び右側の各素子の側縁を直線状にし、 かつ、上端部または下端部の少なくとも一方に,正六角
形状の対向する辺の中心を結ぶ線により半分に分割する
ことで得られる五角形状の太陽電池素子を,隣接する太
陽電池素子と対向する辺が平行関係になるように配列
し、 上端部又は下端部の各素子の側縁を直線状にした太陽電
池モジュール。
1. A line connecting opposing vertices of a regular hexagon.
Trapezoidal solar cell element obtained by dividing it into half
The combination of two formed in a regular hexagonal shape, the regular hexagonal
The trapezoidal elements are arranged vertically and horizontally adjacent to each other, and the trapezoidal elements are adjacent to the missing portions on the left and right sides, respectively.
The side edges of the left and right elements are straightened, and at least one of the upper end and the lower end has a regular hexagon.
Divide the shape in half by the line connecting the centers of the opposite sides of the shape
The pentagonal solar cell element obtained by
Arranged so that the sides facing the solar cell element are in a parallel relationship
And a solar cell with the side edges of each element at the top or bottom
Pond module.
【請求項2】 正六角形状の対向する辺の中心を結ぶ線
により半分に分割することで得られる五角形状の太陽電
池素子を,2個組み合わせて正六角形状に形成し、 この正六角形状の素子を上下ないしは左右に隣接して配
列し、 上端部及び下端部にそれぞれ,正六角形状の対向する頂
点を結ぶ線により半分に分割することで得られる台形状
の太陽電池素子を,隣接する太陽電池素子と対向する辺
が平行関係になるように配列し、 左側及び右側にそれぞれ前記五角形状の素子を,隣接す
る太陽電池素子と対向する辺が平行関係になるように配
列し、 左側及び右側の各素子の側縁を直線状にした太陽電池モ
ジュール。
2. A line connecting the centers of opposite sides of a regular hexagon.
Pentagonal solar cell obtained by splitting into two halves
Two battery elements are combined to form a regular hexagon, and the regular hexagonal elements are arranged vertically or horizontally adjacent to each other.
Row, the upper and lower ends of a regular hexagon
Trapezoidal shape obtained by dividing in half by a line connecting points
Of the solar cell element on the side facing the adjacent solar cell element
Are arranged in a parallel relationship, and the pentagonal elements are respectively adjacent to the left and right sides.
Arrange so that the sides facing the solar cell element
A solar cell module in which the side edges of the left and right elements are linear
Jules.
JP33272895A 1995-11-27 1995-11-27 Solar cell module Expired - Fee Related JP3349318B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP33272895A JP3349318B2 (en) 1995-11-27 1995-11-27 Solar cell module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33272895A JP3349318B2 (en) 1995-11-27 1995-11-27 Solar cell module

Publications (2)

Publication Number Publication Date
JPH09148601A JPH09148601A (en) 1997-06-06
JP3349318B2 true JP3349318B2 (en) 2002-11-25

Family

ID=18258206

Family Applications (1)

Application Number Title Priority Date Filing Date
JP33272895A Expired - Fee Related JP3349318B2 (en) 1995-11-27 1995-11-27 Solar cell module

Country Status (1)

Country Link
JP (1) JP3349318B2 (en)

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