JP2014103301A - 光発電装置 - Google Patents
光発電装置 Download PDFInfo
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- JP2014103301A JP2014103301A JP2012255121A JP2012255121A JP2014103301A JP 2014103301 A JP2014103301 A JP 2014103301A JP 2012255121 A JP2012255121 A JP 2012255121A JP 2012255121 A JP2012255121 A JP 2012255121A JP 2014103301 A JP2014103301 A JP 2014103301A
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 55
- 239000002184 metal Substances 0.000 claims abstract description 55
- 238000007645 offset printing Methods 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims description 41
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 238000010248 power generation Methods 0.000 abstract description 7
- 230000000593 degrading effect Effects 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 14
- 229910052709 silver Inorganic materials 0.000 description 13
- 239000004332 silver Substances 0.000 description 13
- 229910021417 amorphous silicon Inorganic materials 0.000 description 12
- 239000010409 thin film Substances 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910021419 crystalline silicon Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 4
- 238000007650 screen-printing Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor 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
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/022441—Electrode arrangements specially adapted for back-contact solar cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor 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
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor 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
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/022433—Particular geometry of the grid contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor 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
- H01L31/04—Semiconductor 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
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor 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
- H01L31/04—Semiconductor 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
- H01L31/06—Semiconductor 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 characterised by potential barriers
- H01L31/072—Semiconductor 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 characterised by potential barriers the potential barriers being only of the PN heterojunction type
- H01L31/0745—Semiconductor 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 characterised by potential barriers the potential barriers being only of the PN heterojunction type comprising a AIVBIV heterojunction, e.g. Si/Ge, SiGe/Si or Si/SiC solar cells
- H01L31/0747—Semiconductor 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 characterised by potential barriers the potential barriers being only of the PN heterojunction type comprising a AIVBIV heterojunction, e.g. Si/Ge, SiGe/Si or Si/SiC solar cells comprising a heterojunction of crystalline and amorphous materials, e.g. heterojunction with intrinsic thin layer
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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
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- Condensed Matter Physics & Semiconductors (AREA)
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- General Physics & Mathematics (AREA)
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- Sustainable Development (AREA)
- Photovoltaic Devices (AREA)
Abstract
【解決手段】表裏に透明導電酸化物18、19が形成され、光照射によって電力を発生する光発電素子11と、光発電素子11の表裏に設けられた集電部材とを有する光発電装置10において、表側の集電部材は、表側の透明導電酸化物18上に平行にグラビアオフセット印刷によって厚みが5μm以下に形成されたフィンガー電極27と、フィンガー電極27に直交して接合された複数本の金属導体線28とを備え、金属導体線28が一方向に更に延長されて直列接続する光発電素子11の裏側の集電部材に接合されている。
【選択図】図1
Description
更に、スクリーン印刷は印刷精度が悪く、重ね印刷を行うと徐々に幅が広くなり、フィンガー電極21が必要以上の幅で形成され、遮光率が増加するという問題があった。
また、隣り合う光発電素子11を連結するために、バスバー電極22に沿ってバスバー電極22とは別にインターコネクター25を設ける必要があった。
表側の前記集電部材は、表側の前記透明導電酸化物上に平行にグラビアオフセット印刷によって厚みが5μm以下に形成されたフィンガー電極と、該フィンガー電極に直交して接合された複数本の金属導体線とを備え、該金属導体線が一方向に更に延長されて直列接続する前記光発電素子の裏側の前記集電部材に接合されている。
なお、フィンガー電極の厚みは1μm以上であることが好ましく、フィンガー電極の厚みが1μmより小さくなると実施が困難となり、更には電気抵抗が増す。また、フィンガー電極の厚みが増加すると、金属ペースト(例えば、銀ペースト)の使用量が増加し材料費が向上する。なお、フィンガー電極の幅wは、例えば40〜200μm(より好ましくは、100〜200μm)となっている。
また、金属導体線は銅(合金を含む)を用いることが好ましいが、その他の金属線(アルミ線、銀線、ニッケル線等)であってもよい。
図1、図2、図3に示すように、本発明の一実施の形態に係る光発電装置10は、直列に接続される光発電素子11を有している。この光発電素子11は図4に示す構造と同一で、中央にn型単結晶シリコン基板(c−Si)12をその上下に真正アモルファスシリコン層13、15を、更にその外側にそれぞれp型非晶質シリコン系薄膜層14とn型非晶質シリコン系薄膜層16を有し、上下面にはそれぞれ透明導電酸化物18、19を有している。
なお、金属導体線28の断面は円形であったが、断面矩形、特に断面縦長の長方形の金属導体線を用いることによって、電気抵抗を維持したままで、遮光率を下げることができる。
一方、フィンガー電極の厚みを更に厚くすると、銀の使用量が増えるので、製造コストが増加する。
Claims (3)
- 表裏に透明導電酸化物が形成され、光照射によって電力を発生する光発電素子と、該光発電素子の表裏に設けられた集電部材とを有する光発電装置において、
表側の前記集電部材は、表側の前記透明導電酸化物上に平行にグラビアオフセット印刷によって厚みが5μm以下に形成されたフィンガー電極と、該フィンガー電極に直交して接合された複数本の金属導体線とを備え、該金属導体線が一方向に更に延長されて直列接続する前記光発電素子の裏側の前記集電部材に接合されていることを特徴とする光発電装置。 - 請求項1記載の光発電装置において、前記金属導体線は直径dが80〜400μmであって、15d以上でかつ15mm以下のピッチで配置されていることを特徴とする光発電装置。
- 請求項1又は2記載の光発電装置において、前記金属導体線と前記フィンガー電極との接合には低融点金属が使用されていることを特徴とする光発電装置。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012255121A JP6050661B2 (ja) | 2012-11-21 | 2012-11-21 | 光発電装置の製造方法 |
EP13856809.2A EP2924740A4 (en) | 2012-11-21 | 2013-11-19 | PHOTOVOLTAIC DEVICE |
KR1020157010951A KR20150088784A (ko) | 2012-11-21 | 2013-11-19 | 광발전 장치 |
AU2013348851A AU2013348851A1 (en) | 2012-11-21 | 2013-11-19 | Photovoltaic apparatus |
US14/442,291 US20160284895A1 (en) | 2012-11-21 | 2013-11-19 | Photovoltaic apparatus |
PCT/JP2013/081145 WO2014080894A1 (ja) | 2012-11-21 | 2013-11-19 | 光発電装置 |
TW102142041A TW201432929A (zh) | 2012-11-21 | 2013-11-19 | 太陽能發電裝置 |
CN201380056524.6A CN105027297A (zh) | 2012-11-21 | 2013-11-19 | 光发电装置 |
Applications Claiming Priority (1)
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JP2012255121A JP6050661B2 (ja) | 2012-11-21 | 2012-11-21 | 光発電装置の製造方法 |
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Publication Number | Publication Date |
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JP2014103301A true JP2014103301A (ja) | 2014-06-05 |
JP6050661B2 JP6050661B2 (ja) | 2016-12-21 |
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JP2012255121A Active JP6050661B2 (ja) | 2012-11-21 | 2012-11-21 | 光発電装置の製造方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20160284895A1 (ja) |
EP (1) | EP2924740A4 (ja) |
JP (1) | JP6050661B2 (ja) |
KR (1) | KR20150088784A (ja) |
CN (1) | CN105027297A (ja) |
AU (1) | AU2013348851A1 (ja) |
TW (1) | TW201432929A (ja) |
WO (1) | WO2014080894A1 (ja) |
Cited By (13)
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WO2016002721A1 (ja) * | 2014-06-30 | 2016-01-07 | 日東電工株式会社 | 太陽電池モジュール、太陽電池モジュール用導電部材および封止フィルム |
JP2016012724A (ja) * | 2014-06-26 | 2016-01-21 | エルジー エレクトロニクス インコーポレイティド | 太陽電池モジュール |
KR20160063132A (ko) * | 2014-11-26 | 2016-06-03 | 엘지전자 주식회사 | 태양 전지 모듈 |
WO2016125882A1 (ja) * | 2015-02-06 | 2016-08-11 | 長州産業株式会社 | 光発電モジュール |
JP2017103317A (ja) * | 2015-12-01 | 2017-06-08 | 日本航空電子工業株式会社 | 印刷配線、タッチパネル、電子デバイス及び印刷配線の生産方法、タッチパネルの生産方法 |
JP2017529704A (ja) * | 2014-09-28 | 2017-10-05 | 蘇州中来光伏新材股▲ふん▼有限公司Jolywood (Suzhou) Sunwatt Co.,Ltd. | メインゲートフリーで高効率なバックコンタクト太陽電池モジュール、アセンブリ及び製造プロセス |
JP2017537469A (ja) * | 2014-10-31 | 2017-12-14 | ビーワイディー カンパニー リミテッドByd Company Limited | 太陽電池モジュール、及びその製造方法 |
KR20180088354A (ko) * | 2014-08-04 | 2018-08-03 | 엘지전자 주식회사 | 태양 전지 모듈 |
JP2018137461A (ja) * | 2015-08-07 | 2018-08-30 | エルジー エレクトロニクス インコーポレイティド | 太陽電池パネル |
US10381493B2 (en) | 2014-10-31 | 2019-08-13 | Byd Company Limited | Solar cell unit, solar cell array, solar cell module and manufacturing method thereof |
KR20190125258A (ko) * | 2019-10-29 | 2019-11-06 | 엘지전자 주식회사 | 태양 전지 모듈 |
KR20200104266A (ko) * | 2019-10-29 | 2020-09-03 | 엘지전자 주식회사 | 태양 전지 모듈 |
US10834815B2 (en) | 2015-12-01 | 2020-11-10 | Japan Aviation Electronics Industry, Limited | Printed wiring line, electronic device, touch panel, gravure plate, printed wiring line formation method, touch panel production method, and electronic device production method |
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EP3171412B1 (en) | 2015-11-17 | 2019-06-12 | LG Electronics Inc. | Apparatus and method for attaching interconnector of solar cell panel |
EP3573113B1 (en) * | 2018-05-24 | 2020-04-15 | Solyco Technology GmbH | Photovoltaic module |
CN116110980A (zh) * | 2021-11-10 | 2023-05-12 | 浙江晶科能源有限公司 | 一种电池片以及光伏组件 |
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2012
- 2012-11-21 JP JP2012255121A patent/JP6050661B2/ja active Active
-
2013
- 2013-11-19 EP EP13856809.2A patent/EP2924740A4/en not_active Withdrawn
- 2013-11-19 AU AU2013348851A patent/AU2013348851A1/en not_active Abandoned
- 2013-11-19 CN CN201380056524.6A patent/CN105027297A/zh active Pending
- 2013-11-19 WO PCT/JP2013/081145 patent/WO2014080894A1/ja active Application Filing
- 2013-11-19 US US14/442,291 patent/US20160284895A1/en not_active Abandoned
- 2013-11-19 TW TW102142041A patent/TW201432929A/zh unknown
- 2013-11-19 KR KR1020157010951A patent/KR20150088784A/ko not_active Application Discontinuation
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US20160284895A1 (en) | 2016-09-29 |
JP6050661B2 (ja) | 2016-12-21 |
CN105027297A (zh) | 2015-11-04 |
WO2014080894A1 (ja) | 2014-05-30 |
KR20150088784A (ko) | 2015-08-03 |
EP2924740A1 (en) | 2015-09-30 |
AU2013348851A1 (en) | 2015-04-30 |
TW201432929A (zh) | 2014-08-16 |
EP2924740A4 (en) | 2016-07-27 |
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