JP2001044459A5 - - Google Patents
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- Publication number
- JP2001044459A5 JP2001044459A5 JP1999215926A JP21592699A JP2001044459A5 JP 2001044459 A5 JP2001044459 A5 JP 2001044459A5 JP 1999215926 A JP1999215926 A JP 1999215926A JP 21592699 A JP21592699 A JP 21592699A JP 2001044459 A5 JP2001044459 A5 JP 2001044459A5
- Authority
- JP
- Japan
- Prior art keywords
- solar cell
- bus bar
- copper foil
- bar portion
- slit
- 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
- 239000011889 copper foil Substances 0.000 description 10
- 239000004065 semiconductor Substances 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
Description
【特許請求の範囲】
【請求項１】 半導体接合部を有する半導体基板の主面に、銅箔と接合されるバスバー部を有して成る太陽電池において、
前記銅箔との接合部において、前記バスバー部はスリットを有して成ることを特徴とする太陽電池。
【請求項２】 前記バスバー部の厚みは、前記銅箔との接合部がその他の部位よりも厚いことを特徴とする請求項１に記載の太陽電池。
【請求項３】 前記半導体基板の主面に、前記バスバー部と交差するように形成されたフィンガー部を有することを特徴とする請求項１又は２に記載の太陽電池。
【請求項４】 前記スリットは、前記フィンガー部と平行な方向に形成されて成ることを特徴とする請求項３に記載の太陽電池。
【請求項５】 前記スリットは、前記フィンガー部と垂直な方向に形成されて成ることを特徴とする請求項３に記載の太陽電池。
【請求項６】 前記銅箔と前記バスバー部とは複数箇所で接合されることを特徴とする請求項１乃至５のいずれかに記載の太陽電池。
【請求項７】 前記銅箔と前記バスバー部との接合は半田を介して成るとともに、該半田は前記スリット内に埋まるように位置することを特徴とする請求項１乃至６のいずれかに記載の太陽電池。
【請求項８】 前記主面は、少なくとも表面又は裏面のいずれかを含むことを特徴とする請求項１乃至７のいずれかに記載の太陽電池。
[Claims]
[Claim 1] In a solar cell having a bus bar portion bonded to a copper foil on a main surface of a semiconductor substrate having a semiconductor joint portion.
A solar cell characterized in that the bus bar portion has a slit at a joint portion with the copper foil.
2. The solar cell according to claim 1, wherein the thickness of the bus bar portion is such that the joint portion with the copper foil is thicker than other portions.
3. The solar cell according to claim 1 or 2, wherein the main surface of the semiconductor substrate has a finger portion formed so as to intersect the bus bar portion.
4. The solar cell according to claim 3, wherein the slit is formed in a direction parallel to the finger portion.
5. The solar cell according to claim 3, wherein the slit is formed in a direction perpendicular to the finger portion.
6. The solar cell according to any one of claims 1 to 5, wherein the copper foil and the bus bar portion are joined at a plurality of places.
7. The solar cell according to any one of claims 1 to 6, wherein the copper foil and the bus bar portion are joined via solder, and the solder is located so as to be buried in the slit.
8. The solar cell according to any one of claims 1 to 7, wherein the main surface includes at least one of a front surface and a back surface.
【００１０】
【課題を解決するための手段】
本発明の太陽電池は、半導体接合部を有する半導体基板の主面に、銅箔と接合されるバスバー部を有して成るものにおいて、前記銅箔との接合部において、前記バスバー部はスリットを有して成るものである。
上記太陽電池では、前記バスバー部の厚みは、前記銅箔との接合部がその他の部位よりも厚いことが好ましい。
上記太陽電池では、前記半導体基板の主面に、前記バスバー部と交差するように形成されたフィンガー部を有することが好ましい。
上記太陽電池では、前記スリットは前記フィンガー部と平行な方向に形成されて成ること、或いは、前記スリットは前記フィンガー部と垂直な方向に形成されて成ることが好ましい。
上記太陽電池では、前記銅箔と前記バスバー部とは複数箇所で接合されることが好ましい。
上記太陽電池では、前記銅箔と前記バスバー部との接合は半田を介して成るとともに、該半田は前記スリット内に埋まるように位置することが好ましい。
上記太陽電池では、前記主面は、少なくとも表面又は裏面のいずれかを含むことが好ましい。
0010
[Means for solving problems]
The solar cell of the present invention is formed by having a bus bar portion bonded to a copper foil on a main surface of a semiconductor substrate having a semiconductor joint portion. At the joint portion with the copper foil, the bus bar portion has a slit. It consists of having.
In the solar cell, it is preferable that the thickness of the bus bar portion is thicker at the joint portion with the copper foil than at other portions.
In the solar cell, it is preferable to have a finger portion formed so as to intersect the bus bar portion on the main surface of the semiconductor substrate.
In the solar cell, it is preferable that the slit is formed in a direction parallel to the finger portion, or the slit is formed in a direction perpendicular to the finger portion.
In the solar cell, it is preferable that the copper foil and the bus bar portion are joined at a plurality of locations.
In the solar cell, it is preferable that the copper foil and the bus bar portion are joined via solder, and the solder is positioned so as to be buried in the slit.
In the solar cell, the main surface preferably includes at least one of the front surface and the back surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11215926A JP2001044459A (en) | 1999-07-29 | 1999-07-29 | Solar battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11215926A JP2001044459A (en) | 1999-07-29 | 1999-07-29 | Solar battery |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007044510A Division JP4284368B2 (en) | 2007-02-23 | 2007-02-23 | Manufacturing method of solar cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001044459A JP2001044459A (en) | 2001-02-16 |
| JP2001044459A5 true JP2001044459A5 (en) | 2007-04-12 |
Family
ID=16680561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11215926A Pending JP2001044459A (en) | 1999-07-29 | 1999-07-29 | Solar battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001044459A (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112004002853B4 (en) * | 2004-05-07 | 2010-08-26 | Mitsubishi Denki K.K. | Process for producing a solar battery |
| JP4780953B2 (en) * | 2004-11-29 | 2011-09-28 | 京セラ株式会社 | Solar cell element and solar cell module using the same |
| JP4684075B2 (en) * | 2005-10-14 | 2011-05-18 | シャープ株式会社 | Solar cell, solar cell string and solar cell module |
| JP4519080B2 (en) * | 2006-02-07 | 2010-08-04 | シャープ株式会社 | Solar cell, solar cell string and solar cell module |
| JP4842655B2 (en) * | 2006-02-10 | 2011-12-21 | シャープ株式会社 | Screen mask for solar cell manufacturing |
| JP4519089B2 (en) * | 2006-03-09 | 2010-08-04 | シャープ株式会社 | Solar cell, solar cell string and solar cell module |
| US8440907B2 (en) | 2006-04-14 | 2013-05-14 | Sharp Kabushiki Kaisha | Solar cell, solar cell string and solar cell module |
| JP4174545B1 (en) * | 2007-05-10 | 2008-11-05 | シャープ株式会社 | SOLAR CELL, SOLAR CELL MANUFACTURING METHOD, SOLAR CELL STRING AND SOLAR CELL MODULE |
| TWI438915B (en) * | 2008-02-21 | 2014-05-21 | Sanyo Electric Co | Solar cell module |
| WO2013046389A1 (en) * | 2011-09-29 | 2013-04-04 | 三洋電機株式会社 | Solar cell, solar cell module, and method for manufacturing solar cell module |
| CN103171253A (en) * | 2011-12-23 | 2013-06-26 | 昆山允升吉光电科技有限公司 | Matching metal solar screen for multi-time printing and use method thereof |
| CN104040727B (en) * | 2011-12-30 | 2016-07-06 | Memc新加坡私人有限公司 | Busbar for solar components |
| CN102810578B (en) * | 2012-08-27 | 2015-09-09 | 海南英利新能源有限公司 | A kind of solar cell and main gate line thereof |
| CN106133917B (en) * | 2014-03-27 | 2018-08-14 | 京瓷株式会社 | Solar cell and the solar cell module for using the solar cell |
-
1999
- 1999-07-29 JP JP11215926A patent/JP2001044459A/en active Pending
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