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公开(公告)号：US20170148935A1
公开(公告)日：2017-05-25
申请号：US15428032
申请日：2017-02-08
Inventor： Shigeharu TAIRA , Yukihiro YOSHIMINE , Hiroyuki KANNOU , Tomonori TABE
IPC: H01L31/0224 , H01L31/02 , H01L31/05
CPC classification number: H01L31/022433 , H01L31/0201 , H01L31/02013 , H01L31/022425 , H01L31/022441 , H01L31/05 , H01L31/0504 , H01L31/0516 , Y02E10/50
Abstract: In the solar cell module including a plurality of solar cells interconnected with wiring members, each of the solar cells includes a plurality of front-side finger electrodes that are disposed on a light-receiving surface of the solar cell and connected with tabs and a plurality of rear-side finger electrodes that are disposed on a rear surface of the solar cell and connected with tabs. Rear-side auxiliary electrode sections are arranged in regions, which is wider than the front-side finger electrodes, on the rear surface opposite to regions where the front-side finger electrodes are present.
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公开(公告)号：US20160336472A1
公开(公告)日：2016-11-17
申请号：US15218054
申请日：2016-07-24
Inventor： Shigeharu TAIRA
IPC: H01L31/05 , H01L31/0224 , H01L31/056
CPC classification number: H01L31/0508 , H01L31/022425 , H01L31/022475 , H01L31/022483 , H01L31/0504 , H01L31/052 , H01L31/056 , Y02E10/52
Abstract: To provide a solar cell having improved photoelectric conversion efficiency and a solar cell module. A solar cell (10) is provided with a photoelectric conversion portion (20), a light receiving surface electrode (21a) and a back surface electrode (21b). The light receiving surface electrode (21a) is arranged on the light receiving surface (20a) of the photoelectric conversion portion (20). The back surface electrode (21b) is arranged on the back surface (20b) of the photoelectric conversion portion (20). The back surface electrode (21b) includes metal film (21b1) and an electrical connection electrode (21b2). The metal film (21b1) at least partially covers the back surface (20b). The electrical connection electrode (21b2) is arranged on the metal film (21b1).
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公开(公告)号：US20190172959A1
公开(公告)日：2019-06-06
申请号：US16269512
申请日：2019-02-06
Inventor： Shigeharu TAIRA , Yukihiro YOSHIMINE , Hiroyuki KANNOU , Tomonori TABE
IPC: H01L31/0224 , H01L31/05 , H01L31/02
Abstract: In the solar cell module including a plurality of solar cells interconnected with wiring members, each of the solar cells includes a plurality of front-side finger electrodes that are disposed on a light-receiving surface of the solar cell and connected with tabs and a plurality of rear-side finger electrodes that are disposed on a rear surface of the solar cell and connected with tabs. Rear-side auxiliary electrode sections are arranged in regions, which is wider than the front-side finger electrodes, on the rear surface opposite to regions where the front-side finger electrodes are present.
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公开(公告)号：US20180286999A1
公开(公告)日：2018-10-04
申请号：US15997410
申请日：2018-06-04
Inventor： Naohiro HITACHI , Tomohiro FUNATANI , Satoshi TOHODA , Shigeharu TAIRA
IPC: H01L31/054 , H01L31/05 , H01L31/02 , H01L31/18
Abstract: A solar cell module is provided with: a plurality of solar cell elements each having a surface; a light diffusion portion provided in an outer peripheral area of the surface; and connection members which connect the plurality of solar cell elements. The outer peripheral area has restricted areas where formation of the light diffusion portion is restricted, in a part thereof, and the restricted areas are provided in positions where the outer peripheral area and the connection members intersect. The solar cell element may have, on the surface, bus bar electrodes which extend along the connection members. The restricted areas may be provided in the vicinity of ends of the bus bar electrodes.
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公开(公告)号：US20160093753A1
公开(公告)日：2016-03-31
申请号：US14867639
申请日：2015-09-28
Inventor： Shoji SATO , Shigeharu TAIRA , Naohiro HITACHI , Akinao KITAHARA
IPC: H01L31/0224 , H01L21/66 , H01L31/18
CPC classification number: H01L31/1804 , H01L31/022425 , H01L31/022433 , H01L31/022441 , Y02E10/547 , Y02P70/521
Abstract: There is provided a solar cell manufacturing method comprising: a step of preparing a photoelectric conversion cell having a first main surface and a second main surface; a step of forming a first collector electrode on the first main surface and forming a second collector electrode on the second main surface; a step of measuring characteristic values of the photoelectric conversion cell having the first collector electrode and the second collector electrode thereon; and a step of forming a third collector electrode on at least one of the first main surface and the second main surface based on the characteristic values.
Abstract translation: 提供一种太阳能电池制造方法，包括：制备具有第一主表面和第二主表面的光电转换单元的步骤; 在所述第一主表面上形成第一集电极并在所述第二主表面上形成第二集电极的步骤; 测量其上具有第一集电极和第二集电极的光电转换单元的特性值的步骤; 以及基于所述特性值在所述第一主表面和所述第二主表面中的至少一个上形成第三集电极的步骤。
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Patent Agency Ranking
公开(公告)号：US20160343897A1
公开(公告)日：2016-11-24
申请号：US15204814
申请日：2016-07-07
Inventor： Naohiro HITACHI , Tomohiro FUNATANI , Satoshi TOHODA , Shigeharu TAIRA
IPC: H01L31/054 , H01L31/02 , H01L31/18 , H01L31/05
CPC classification number: H01L31/0543 , H01L31/0201 , H01L31/02168 , H01L31/0504 , H01L31/0508 , H01L31/054 , H01L31/0547 , H01L31/18 , Y02E10/52
Abstract: A solar cell module is provided with: a plurality of solar cell elements each having a surface; a light diffusion portion provided in an outer peripheral area of the surface; and connection members which connect the plurality of solar cell elements. The outer peripheral area has restricted areas where formation of the light diffusion portion is restricted, in a part thereof, and the restricted areas are provided in positions where the outer peripheral area and the connection members intersect. The solar cell element may have, on the surface, bus bar electrodes which extend along the connection members. The restricted areas may be provided in the vicinity of ends of the bus bar electrodes.
Abstract translation: 太阳能电池模块设置有：多个太阳能电池元件，每个太阳能电池元件具有表面; 光扩散部，其设置在所述表面的外周区域中; 以及连接多个太阳能电池元件的连接构件。 外周区域的一部分限制光扩散部的形成的限制区域，并且限制区域设置在外周区域和连接构件相交的位置。 太阳能电池元件可以在表面上具有沿着连接构件延伸的母线电极。 限制区域可以设置在母线电极的端部附近。
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公开(公告)号：US20160172511A1
公开(公告)日：2016-06-16
申请号：US15052865
申请日：2016-02-24
Inventor： Shoji SATO , Shigeharu TAIRA , Hirotada INOUE
IPC: H01L31/0224 , H01L31/02
CPC classification number: H01L31/022433 , H01L31/0201 , H01L31/0224 , Y02E10/50
Abstract: A first finger electrode group including finger electrodes on the first principal surface. A second finger electrode group including finger electrodes on the second principal surface. The second finger electrode group is divided into divided electrode portions, the number of electrodes of the electrode portions decreasing as a distance from a central portion of the second finger electrode group increases towards outside, and a coupling portion is arranged between each adjacent ones of the divided electrode portions and electrically connects at least two of the finger electrodes of the divided electrode portion on inside with at least one of the finger electrodes of the divided electrode portion on outside. The number of finger electrodes of the divided electrode portion closest to the central portion of the second finger electrode group is larger than the number of finger electrodes of the first finger electrode group.
Abstract translation: 包括第一主表面上的指状电极的第一指状电极组。 包括在第二主表面上的指状电极的第二指状电极组。 第二手指电极组被划分为分割电极部分，距离第二指状电极组的中心部分的距离减小的电极部分的电极数量朝向外部增加，并且耦合部分布置在每个相邻的电极部分之间 分割电极部分，并将内侧的分割电极部分的指状电极中的至少两个与外侧的分割电极部分的至少一个指状电极电连接。 最靠近第二指状电极组的中心部分的分割电极部分的指状电极的数量大于第一指状电极组的指状电极的数量。
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公开(公告)号：US20160308076A1
公开(公告)日：2016-10-20
申请号：US15185289
申请日：2016-06-17
Inventor： Shigeharu TAIRA , Naohiro HITACHI , Satoshi TOHODA
IPC: H01L31/0232 , H01L31/02 , H01L31/18 , H01L31/0224
CPC classification number: H01L31/02327 , H01L31/0201 , H01L31/02168 , H01L31/022433 , H01L31/022466 , H01L31/0543 , H01L31/0747 , H01L31/18 , Y02E10/52
Abstract: In a method for manufacturing a solar cell, a photoelectric conversion element, which has a surface whose outer periphery is surrounded by a plurality of sides, and a coating having light diffusivity are prepared. The coating is applied to an outer peripheral area of the surface by screen printing in a direction from a lower side, which is one of the sides, toward an upper side, which is one of the sides and which is opposed to the lower side such that an application amount of the coating to be applied along the lower side is smaller than an application amount of the coating to be applied along the upper side.
Abstract translation: 在制造太阳能电池的方法中，制备具有外周被多个侧面包围的表面的光电转换元件和具有光扩散性的涂层。 涂层通过丝网印刷沿着作为一个侧面的下侧的方向朝向上侧（其是侧面之一）并且与下侧相对的方式施加到表面的外周区域 沿着下侧施加的涂层的施加量小于沿着上侧施加的涂层的涂布量。
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公开(公告)号：US20190305145A1
公开(公告)日：2019-10-03
申请号：US16447730
申请日：2019-06-20
Inventor： Shigeharu TAIRA , Shinji KOBAYASHI , Yuzuru MIYATA
IPC: H01L31/02 , H01L31/05 , H01L31/0224
Abstract: A total of n light receiving surface finger electrodes are arranged on a light receiving surface. A total of (n−1)×m1/m2+1 second collecting electrodes are arranged on a back surface. On a plane of projection parallel, m2 light receiving surface finger electrodes and ml back surface finger electrodes are included an interval between a first position and a second position. On the plane of projection, the auxiliary wiring is provided at a third position at which only the light receiving surface finger electrode is present. A length of the auxiliary wiring is smaller than a length of the back surface finger electrode.
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公开(公告)号：US20180254358A1
公开(公告)日：2018-09-06
申请号：US15970592
申请日：2018-05-03
Inventor： Satoshi TOHODA , Shigeharu TAIRA
IPC: H01L31/0232 , H01L31/0203 , H01L31/054 , H01L31/0216 , H01L31/05 , H01L31/048 , H01L31/18
CPC classification number: H01L31/02327 , H01L31/02167 , H01L31/048 , H01L31/0504 , H01L31/0547 , H01L31/18 , Y02E10/52
Abstract: A solar cell module manufacturing method is provided. This method includes: arranging a printing plate over a solar cell element in proximity to a surface of the solar cell element; providing a coating material on the printing plate; and moving a squeegee in a first direction so as to push out the coating material via the printing plate to the solar cell element, thereby applying the coating material in an outer peripheral area of the surface of the solar cell element.
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