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1. 发明申请

US20130112262A1 PHOTOVOLTAIC SOLAR CELL AND METHOD FOR PRODUCING A PHOTOVOLTAIC SOLAR CELL 有权
公开(公告)号：US20130112262A1
公开(公告)日：2013-05-09
申请号：US13810028
申请日：2011-07-11
申请人： Benjamin Thaidigsmann , Florian Clement , Daniel Biro , Andreas Wolf , Ralf Preu
发明人： Benjamin Thaidigsmann , Florian Clement , Daniel Biro , Andreas Wolf , Ralf Preu
IPC分类号： H01L31/0224 , H01L31/18
CPC分类号： H01L31/02245 , H01L31/022425 , H01L31/022458 , H01L31/068 , H01L31/0682 , H01L31/18 , H01L31/1804 , Y02E10/547 , Y02P70/521
摘要： The invention relates to a method for producing a photovoltaic solar cell having a front side designed for coupling in light, comprising the following method steps: A Producing a plurality of cutouts in a semiconductor substrate of a base doping type, B Producing one or more emitter regions of an emitter doping type at least at the front side of the semiconductor substrate, wherein the emitter doping type is opposite to the base doping type, C Applying an electrically insulating insulation layer and D Producing metallic feed through structures in the cutouts, at least one metallic base contact structure at the rear side of the solar cell, which is formed in an electrically conductive manner with the semiconductor substrate in a base doping region, at least one metallic front-side contact structure at the front side of the solar cell, which is formed in an electrically conductive manner with the emitter region at the front side of the semiconductor substrate, and at least one rear-side contact structure at the rear side of the solar cell, which is formed in a manner electrically conductively connected to the feed through contact structure. The invention is characterized in that in method step B and/or a further method step in addition a feed through emitter region of the emitter doping type extending from the front side to the rear side is formed in each case in the semiconductor substrate on the walls of the cutouts, in that in method step C the insulation layer is applied in a manner covering the rear side of the semiconductor substrate, if appropriate further intervening intermediate layers, in that in method step D the rear-side contact structure is applied to the insulation layer, if appropriate to further intermediate layers, in such a way that the rear-side contact structure extends to regions of the semiconductor substrate having base doping and, in these regions, on account of the intervening insulation layer, an electrical insulation is formed between rear-side contact structure and semiconductor substrate, and the base contact structure is applied to the insulation layer, if appropriate to further intermediate layers, in such a way that the base contact structure penetrates through the insulation layer at least in regions, such that an electrically conductive connection is produced between base contact structure and semiconductor substrate. The invention furthermore relates to a photovoltaic solar cell.

2. 发明授权

US09087940B2 Photovoltaic solar cell and method for producing a photovoltaic solar cell 有权
公开(公告)号：US09087940B2
公开(公告)日：2015-07-21
申请号：US13810028
申请日：2011-07-11
申请人： Benjamin Thaidigsmann , Florian Clement , Daniel Biro , Andreas Wolf , Ralf Preu
发明人： Benjamin Thaidigsmann , Florian Clement , Daniel Biro , Andreas Wolf , Ralf Preu
IPC分类号： H01L21/00 , H01L31/0224 , H01L31/068 , H01L31/18
CPC分类号： H01L31/02245 , H01L31/022425 , H01L31/022458 , H01L31/068 , H01L31/0682 , H01L31/18 , H01L31/1804 , Y02E10/547 , Y02P70/521
摘要： The invention relates to a method for producing a photovoltaic solar cell having a front side designed for coupling in light, comprising the following method steps: A Producing a plurality of cutouts in a semiconductor substrate of a base doping type, B Producing one or more emitter regions of an emitter doping type at least at the front side of the semiconductor substrate, wherein the emitter doping type is opposite to the base doping type, C Applying an electrically insulating insulation layer and D Producing metallic feed through structures in the cutouts, at least one metallic base contact structure at the rear side of the solar cell, which is formed in an electrically conductive manner with the semiconductor substrate in a base doping region, at least one metallic front-side contact structure at the front side of the solar cell, which is formed in an electrically conductive manner with the emitter region at the front side of the semiconductor substrate, and at least one rear-side contact structure at the rear side of the solar cell, which is formed in a manner electrically conductively connected to the feed through contact structure. The invention is characterized in that in method step B and/or a further method step in addition a feed through emitter region of the emitter doping type extending from the front side to the rear side is formed in each case in the semiconductor substrate on the walls of the cutouts, in that in method step C the insulation layer is applied in a manner covering the rear side of the semiconductor substrate, if appropriate further intervening intermediate layers, in that in method step D the rear-side contact structure is applied to the insulation layer, if appropriate to further intermediate layers, in such a way that the rear-side contact structure extends to regions of the semiconductor substrate having base doping and, in these regions, on account of the intervening insulation layer, an electrical insulation is formed between rear-side contact structure and semiconductor substrate, and the base contact structure is applied to the insulation layer, if appropriate to further intermediate layers, in such a way that the base contact structure penetrates through the insulation layer at least in regions, such that an electrically conductive connection is produced between base contact structure and semiconductor substrate. The invention furthermore relates to a photovoltaic solar cell.

3. 发明申请

US20140026936A1 PHOTOVOLTAIC SOLAR CELL AND A METHOD FOR THE PRODUCTION OF SAME 审中-公开
标题翻译：光伏太阳能电池及其制造方法
公开(公告)号：US20140026936A1
公开(公告)日：2014-01-30
申请号：US13982894
申请日：2012-01-26
申请人： Benjamin Thaidigsmann , Florian Clement , Andreas Wolf , Daniel Biro
发明人： Benjamin Thaidigsmann , Florian Clement , Andreas Wolf , Daniel Biro
IPC分类号： H01L31/0224
CPC分类号： H01L31/02245 , H01L27/1421 , H01L31/0682 , Y02E10/547
摘要： A photovoltaic solar cell for converting incident electromagnetic radiation into electrical energy, including at least one base region of a base-doping type, designed in a silicon substrate; at least one emitter region of an emitter-doping type that is of an opposite doping type to the base-doping type; at least one metallic base-contacting structure connected, in an electrically conductive manner, to the base region, and at least one metallic emitter-contacting structure connected, in an electrically conductive manner, to the emitter region, the base region and emitter region being arranged in such a manner that a pn-junction is formed at least in some regions between said base and emitter regions. It is essential that the base-contacting structure overlaps the emitter region in a base-bypass region and that in said overlapping region, a diode-like semiconductor contact is designed between the base-contacting structure and the emitter region, said semiconductor contact being a metal semiconductor contact or as a metal-insulator-semiconductor contact, and/or that the emitter-contacting structure overlaps the base region in an emitter-bypass region and that in this overlapping region, a diode-like semiconductor contact is designed between the emitter-contacting structure and the base region, said semiconductor contact being a metal semiconductor contact or as a metal-insulator-semiconductor contact. The invention also relates to a method for producing a solar cell.
摘要翻译：一种用于将入射的电磁辐射转换为电能的光伏太阳能电池，包括在硅衬底中设计的至少一个基底掺杂类型的基极区域; 与基极掺杂型相反的掺杂类型的发射极掺杂型的至少一个发射极区域; 至少一个金属基底接触结构以导电方式连接到基极区域，以及至少一个金属发射极接触结构，其以导电方式连接到发射极区域，基极区域和发射极区域为以这样的方式布置，使得至少在所述基极和发射极区域之间的一些区域中形成pn结。重要的是，碱接触结构与基极旁路区域中的发射极区域重叠，并且在所述重叠区域中，在基极接触结构和发射极区域之间设计二极管状半导体接触，所述半导体接触是金属半导体接触或/或金属 - 绝缘体 - 半导体接触，和/或发射极接触结构与发射极 - 旁路区域中的基极区域重叠，并且在该重叠区域中，二极管状半导体接触器设计在发射极 - 接触结构和基极区，所述半导体接触是金属半导体接触或金属 - 绝缘体 - 半导体接触。本发明还涉及太阳能电池的制造方法。

4. 发明申请

US20110272020A1 SOLAR CELL AND METHOD FOR PRODUCING A SOLAR CELL FROM A SILICON SUBSTRATE 审中-公开
标题翻译：太阳能电池和从硅衬底生产太阳能电池的方法
公开(公告)号：US20110272020A1
公开(公告)日：2011-11-10
申请号：US13144531
申请日：2009-12-03
申请人： Daniel Biro , Oliver Schultz-Wittmann , Anke Lemke , Jochen Rentsch , Florian Clement , Marc Hofmann , Andreas Wolf , Luca Gautero , Sebastian Mack , Ralf Preu
发明人： Daniel Biro , Oliver Schultz-Wittmann , Anke Lemke , Jochen Rentsch , Florian Clement , Marc Hofmann , Andreas Wolf , Luca Gautero , Sebastian Mack , Ralf Preu
IPC分类号： H01L31/0232 , H01L31/18
CPC分类号： H01L31/1868 , H01L31/02245 , H01L31/068 , Y02E10/547 , Y02P70/521
摘要： A method for producing a solar cell from a silicon wafer, including the following process steps: A) texturizing one side of the silicon substrate (1) for improving the absorption or removing saw damage on one side of the silicon substrate (1); B) generating an emitter area (2) on one side of the silicon substrate (1) by diffusing in a doping material for forming a pn transition; C) removing a glass layer which comprises the doping material; D) applying a masking layer (3) which is a dielectric layer; E) removing one part of the material of the silicon substrate (1); F) applying metal structures (5, 6) for electrically contacting the solar cell. It is significant that thermal oxidation is performed between the process steps E and F for forming an oxide layer (4) and that the masking layer (3) and the oxide layer (4) remain on the silicon substrate (1) in the subsequent process steps.
摘要翻译：一种从硅晶片制造太阳能电池的方法，包括以下工艺步骤：A）使硅衬底（1）的一侧变形，以改善在硅衬底（1）的一侧的吸收或去除锯损坏; B）通过在用于形成pn转变的掺杂材料中扩散而在硅衬底（1）的一侧上产生发射极区域（2） C）去除包含掺杂材料的玻璃层; D）施加作为电介质层的掩模层（3）; E）去除硅衬底（1）的材料的一部分; F）施加用于电接触太阳能电池的金属结构（5,6）。重要的是，在用于形成氧化物层（4）的工艺步骤E和F之间进行热氧化，并且在后续工艺中，掩模层（3）和氧化物层（4）保留在硅衬底（1）上脚步。

5. 发明申请

US20130095604A1 METHOD FOR PRODUCING A METAL CONTACT STRUCTURE OF A PHOTOVOLTAIC SOLAR CELL 有权
标题翻译：用于生产光伏太阳能电池的金属接触结构的方法
公开(公告)号：US20130095604A1
公开(公告)日：2013-04-18
申请号：US13805023
申请日：2011-06-16
申请人： Daniel Biro , Benjamin Thaidigsmann , Florian Clement , Robert Woehl , Edgar-Allan Wotke
发明人： Daniel Biro , Benjamin Thaidigsmann , Florian Clement , Robert Woehl , Edgar-Allan Wotke
IPC分类号： H01L31/18
CPC分类号： H01L31/18 , H01L31/022425 , H01L31/05 , Y02E10/50
摘要： A method for producing a metal contact structure of a photovoltaic solar cell, including: applying an electrically non-conductive insulating layer to a semiconductor substrate, applying a metal contact layer to the insulating layer, and generating a plurality of local electrically conductive connections between the semiconductor substrate and the contact layer right through the insulating layer. The metal contact layer is formed using two pastes containing metal particles: the first paste containing metal particles is applied to local regions, and the second paste containing metal particles is applied covering at least the regions covered with the first paste and partial regions located therebetween. By global heating the semiconductor substrate the first paste penetrates the insulating layer and forms an electrically conductive contact directly with the semiconductor substrate, whereas the second paste does not penetrate the insulating layer and is electrically conductively connected to the semiconductor substrate via the first paste.
摘要翻译：一种用于制造光伏太阳能电池的金属接触结构的方法，包括：向半导体衬底施加非导电绝缘层，向所述绝缘层施加金属接触层，以及在所述绝缘层之间产生多个局部导电连接半导体衬底和接触层直接通过绝缘层。使用含有金属颗粒的两个糊料形成金属接触层：将第一糊料含有金属颗粒施加到局部区域，并且将第二糊料含有金属颗粒涂覆至少覆盖第一糊料覆盖的区域和位于其间的部分区域。通过对半导体衬底进行全局加热，第一浆料穿透绝缘层并与半导体衬底直接形成导电触点，而第二焊膏不穿透绝缘层，并通过第一焊膏与半导体衬底电连接。

6. 发明申请

US20110174355A1 SOLAR CELL AND SOLAR CELL MODULE WITH ONE-SIDED CONNECTIONS 审中-公开
标题翻译：具有单面连接的太阳能电池和太阳能电池模块
公开(公告)号：US20110174355A1
公开(公告)日：2011-07-21
申请号：US13061215
申请日：2009-08-25
申请人： Daniel Biro , Nicola Mingirulli , Florian Clement , Ralf Preu , Robert Woehl
发明人： Daniel Biro , Nicola Mingirulli , Florian Clement , Ralf Preu , Robert Woehl
IPC分类号： H01L31/05 , H01L31/0224
CPC分类号： H01L31/0516 , H01L31/022441 , Y02E10/50
摘要： A solar cell, in particular for connecting to a solar cell module, including at least one metallic base contact, at least one metallic emitter contact (5) and a semi-conductor structure having at least one base area and at least one emitter area (3). The base area and emitter area (2,3) are at least partially adjacent to each other forming a pn-junction, the base contact (6) being connected in an electrically conductive manner to the base area (2), the emitter contact (5) being connected in an electrically conductive manner to the emitter area (3), and the solar cells being arranged on the contact side (1) as a base and emitter contact (6,5). Essentially, the solar cell includes several metallic emitter contacts which are connected in an electrically conductive manner to the emitter area (3) and several metallic base contacts which are connected in an electrically conductive manner to the base area (2). The emitter contacts (5) do not have an electrically conductive connections among each other on the side facing away from the emitter area (3) and the base contacts do not have an electrically conductive connections on the side facing away from the base area (2). A solar cell module including at least two solar cells is also provided.
摘要翻译：特别是用于连接太阳能电池模块的太阳能电池，包括至少一个金属基底触点，至少一个金属发射极触点（5）和具有至少一个基极区域和至少一个发射极区域的半导体结构 3）。基极面积和发射极区域（2,3）至少部分地彼此相邻形成pn结，基极触点（6）以导电方式连接到基极区域（2），发射极触点 5）以导电方式连接到发射极区域（3），并且太阳能电池被布置在接触侧（1）上作为基极和发射极接触（6,5）。本质上，太阳能电池包括以导电方式连接到发射极区域（3）的几个金属发射极触点和以导电方式连接到基极区域（2）的几个金属基极触点。发射极触点（5）在背离发射极区域（3）的一侧不具有彼此之间的导电连接，并且基极触点在远离基极区域（2）的一侧不具有导电连接）。还提供了包括至少两个太阳能电池的太阳能电池组件。

7. 发明授权

US08748310B2 Method for producing a metal contact structure of a photovoltaic solar cell 有权
标题翻译：光伏太阳能电池的金属接触结构的制造方法
公开(公告)号：US08748310B2
公开(公告)日：2014-06-10
申请号：US13805023
申请日：2011-06-16
申请人： Daniel Biro , Benjamin Thaidigsmann , Florian Clement , Robert Woehl , Edgar-Allan Wotke
发明人： Daniel Biro , Benjamin Thaidigsmann , Florian Clement , Robert Woehl , Edgar-Allan Wotke
IPC分类号： H01L21/44
CPC分类号： H01L31/18 , H01L31/022425 , H01L31/05 , Y02E10/50
摘要： A method for producing a metal contact structure of a photovoltaic solar cell, including: applying an electrically non-conductive insulating layer to a semiconductor substrate, applying a metal contact layer to the insulating layer, and generating a plurality of local electrically conductive connections between the semiconductor substrate and the contact layer right through the insulating layer. The metal contact layer is formed using two pastes containing metal particles: the first paste containing metal particles is applied to local regions, and the second paste containing metal particles is applied covering at least the regions covered with the first paste and partial regions located therebetween. By global heating the semiconductor substrate the first paste penetrates the insulating layer and forms an electrically conductive contact directly with the semiconductor substrate, whereas the second paste does not penetrate the insulating layer and is electrically conductively connected to the semiconductor substrate via the first paste.
摘要翻译：一种用于制造光伏太阳能电池的金属接触结构的方法，包括：向半导体衬底施加非导电绝缘层，向所述绝缘层施加金属接触层，以及在所述绝缘层之间产生多个局部导电连接半导体衬底和接触层直接通过绝缘层。使用含有金属颗粒的两个糊料形成金属接触层：将第一糊料含有金属颗粒施加到局部区域，并且将第二糊料含有金属颗粒涂覆至少覆盖第一糊料覆盖的区域和位于其间的部分区域。通过对半导体衬底进行全局加热，第一浆料穿透绝缘层并与半导体衬底直接形成导电触点，而第二焊膏不穿透绝缘层，并通过第一焊膏与半导体衬底电连接。

8. 发明申请

US20120074971A1 MEASURING DEVICE FOR ELECTRICALLY MEASURING A FLAT MEASUREMENT STRUCTURE THAT CAN BE CONTACTED ON ONE SIDE 审中-公开
标题翻译：用于电气测量可在一侧接触的平面测量结构的测量装置
公开(公告)号：US20120074971A1
公开(公告)日：2012-03-29
申请号：US13255557
申请日：2010-03-10
申请人： Markus Glatthaar , Stefan Rein , Daniel Biro , Florian Clement , Michael Menko , Alexander Krieg
发明人： Markus Glatthaar , Stefan Rein , Daniel Biro , Florian Clement , Michael Menko , Alexander Krieg
IPC分类号： G01R31/00
CPC分类号： G01R1/07314 , G01R31/2887
摘要： A measuring device for electrically measuring a measurement structure that can be electrically contacted at one measuring side, in particular an optoelectronic element, such as a solar cell, including at least two contacting units for electrically contacting the measurement structure and at least one support element for supporting the measurement structure with the measuring side on the support element. It is essential that the measuring device includes at least one suction line for the connection to the suction unit and at least one suction opening that is connected in a fluid-conducting manner to the suction line, wherein the suction opening is arranged in and/or on the support element such that the measurement structure can be pressed against the support element by suctioning via the suction opening. When the measurement structure rests on the support element, the contacting unit can be pressed against the measuring side of the measurement structure for the electrical contacting thereof.
摘要翻译：一种用于电测量可以在一个测量侧电接触的测量结构的测量装置，特别是诸如太阳能电池的光电子元件，包括至少两个用于电接触测量结构和至少一个支撑元件的接触单元，用于支撑元件上的测量侧支撑测量结构。重要的是，测量装置包括用于连接到抽吸单元的至少一个吸入管线和至少一个以流体传导方式连接到吸入管线的吸入口，其中吸入口设置在和/或在支撑元件上，使得测量结构可以通过经由抽吸开口抽吸而压靠支撑元件。当测量结构位于支撑元件上时，接触单元可以被压靠在测量结构的测量侧以与其接触。

9. 发明申请

US20130224906A1 METHOD AND DEVICE FOR PRODUCING A METALLIC CONTACT STRUCTURE FOR MAKING ELECTRICAL CONTACT WITH A PHOTOVOLTAIC SOLAR CELL 有权
标题翻译：用于制造与光伏电池电气接触的金属接触结构的方法和装置
公开(公告)号：US20130224906A1
公开(公告)日：2013-08-29
申请号：US13819849
申请日：2011-08-29
申请人： Daniel Biro , Jan Specht , Daniel Scheffler , Maximilian Pospischil , Florian Clement
发明人： Daniel Biro , Jan Specht , Daniel Scheffler , Maximilian Pospischil , Florian Clement
IPC分类号： H01L31/0224
CPC分类号： H01L31/022425 , H01L21/6715 , H05K1/092 , H05K3/1241 , H05K2203/0134 , Y02E10/50
摘要： A method for producing a metallic contact structure for making electrical contact with a photovoltaic solar cell, wherein, in order to create the contact structure, a paste, which contains metal particles, is applied to a surface of a carrier substrate via at least one dispensing opening, wherein the dispensing opening and the carrier substrate are moved in relation to one another during the dispensing of the paste. The paste is circulated in a circulating region, and in each case a part of the paste is branched off out of the circulating region at a plurality of branching points and each branching point is assigned at least one dispensing opening, via which the paste branched off at the branching point is applied to the surface of the carrier substrate, wherein the paste flows through a flow path having a length of less than 1 cm in each case between being branched off out of the circulating region and being dispensed from the dispensing opening assigned to the branching point. A device for producing a metallic contact structure for making electrical contact with a photovoltaic solar cell is also provided.
摘要翻译：一种用于制造与光伏太阳能电池电接触的金属接触结构的方法，其中为了形成接触结构，将含有金属颗粒的糊剂通过至少一种分配物施加到载体基材的表面上开口，其中在分配浆料期间，分配开口和载体基底相对于彼此移动。浆料在循环区域中循环，并且在每种情况下，一部分糊料在多个分支点处从循环区域中分出，并且每个分支点被分配至少一个分配开口，通过该分配开口分配糊料在分支点处被施加到载体基材的表面，其中糊料在每种情况下流过长度小于1cm的流动路径，在从循环区域中分出并从分配开口分配到分支点。还提供了一种用于制造用于与光伏太阳能电池电接触的金属接触结构的装置。

10. 发明授权

US08916415B2 Method and device for producing a metallic contact structure for making electrical contact with a photovoltaic solar cell 有权
标题翻译：用于制造与光伏太阳能电池电接触的金属接触结构的方法和装置
公开(公告)号：US08916415B2
公开(公告)日：2014-12-23
申请号：US13819849
申请日：2011-08-29
申请人： Daniel Biro , Jan Specht , Daniel Scheffler , Maximilian Pospischil , Florian Clement
发明人： Daniel Biro , Jan Specht , Daniel Scheffler , Maximilian Pospischil , Florian Clement
IPC分类号： H01L21/00 , H01L31/00 , H01L21/67 , H05K3/12 , H01L31/0224 , H05K1/09
CPC分类号： H01L31/022425 , H01L21/6715 , H05K1/092 , H05K3/1241 , H05K2203/0134 , Y02E10/50
摘要： A method for producing a metallic contact structure for making electrical contact with a photovoltaic solar cell, wherein, in order to create the contact structure, a paste, which contains metal particles, is applied to a surface of a carrier substrate via at least one dispensing opening, wherein the dispensing opening and the carrier substrate are moved in relation to one another during the dispensing of the paste. The paste is circulated in a circulating region, and in each case a part of the paste is branched off out of the circulating region at a plurality of branching points and each branching point is assigned at least one dispensing opening, via which the paste branched off at the branching point is applied to the surface of the carrier substrate, wherein the paste flows through a flow path having a length of less than 1 cm in each case between being branched off out of the circulating region and being dispensed from the dispensing opening assigned to the branching point. A device for producing a metallic contact structure for making electrical contact with a photovoltaic solar cell is also provided.
摘要翻译：一种用于制造与光伏太阳能电池电接触的金属接触结构的方法，其中为了形成接触结构，将含有金属颗粒的糊剂通过至少一种分配物施加到载体基材的表面上开口，其中在分配浆料期间，分配开口和载体基底相对于彼此移动。浆料在循环区域中循环，并且在每种情况下，一部分糊料在多个分支点处从循环区域中分出，并且每个分支点被分配至少一个分配开口，通过该分配开口分配糊料在分支点处被施加到载体基材的表面，其中糊料在每种情况下流过长度小于1cm的流动路径，在从循环区域中分出并从分配开口分配到分支点。还提供了一种用于制造用于与光伏太阳能电池电接触的金属接触结构的装置。

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