公开(公告)号：US20150207002A1

公开(公告)日：2015-07-23

申请号：US14475566

申请日：2014-09-02

Applicant: Solexel, Inc.

Inventor： Mehrdad M. Moslehi ,  Thom Stalcup ,  Michael Wingert ,  Jay Ashjaee ,  Pawan Kapur ,  Homi Fatemi

IPC: H01L31/0465 ,  H01L31/02 ,  H01L31/0236 ,  H01L31/0224

CPC classification number: H01L31/0465 ,  H01L31/02245 ,  H01L31/0516 ,  H01L31/0682 ,  Y02E10/547

Abstract: Solar cell array solutions including monolithic solar cell arrays and fabrication methods. A first patterned cell metallization contacts base and emitter regions of each of a plurality of solar cells having a light receiving frontside and a backside. An electrically insulating continuous backplane layer is attached to the backside of the solar cells and covers the first cell metallization of each of the solar cells. Via holes through the continuous backplane layer provide access to the first cell metallization. A second cell metallization is connected to the first cell metallization of each of the solar cells and electrically interconnects the solar cells in the array.

Abstract translation: 太阳能电池阵列解决方案，包括单片太阳能电池阵列和制造方法。 第一图案化电池金属化接触具有光接收前侧和后侧的多个太阳能电池中的每一个的基极和发射极区域。 电绝缘的连续背板层连接到太阳能电池的背面并且覆盖每个太阳能电池的第一电池金属化。 穿过连续背板层的通孔提供对第一电池金属化的访问。 第二电池金属化连接到每个太阳能电池的第一电池金属化，并将阵列中的太阳能电池电互连。

公开(公告)号：US20160172512A1

公开(公告)日：2016-06-16

申请号：US14903273

申请日：2014-07-30

Applicant: SOLEXEL, INC.

Inventor： Thom Stalcup ,  Mehrdad M. Moslehi ,  Pawan Kapur ,  Manteghi Kamran ,  David Dutton

IPC: H01L31/0224

CPC classification number: H01L31/022441 ,  H01L31/049 ,  H01L31/0516 ,  Y02E10/50

Abstract: A back contact solar cell structure having a light receiving frontside and a metallized backside of on-cell patterned base and emitter metallization electrically connected to base and emitter regions on a back contact solar cell semiconductor substrate. A backplane laminate layer made of resin and fibers and having a coefficient of thermal expansion relatively matched to the back contact solar cell semiconductor substrate is attached to the on-cell base and emitter metallization and to portions of the back contact solar cell semiconductor substrate not covered by the on-cell base and emitter metallization.

Abstract translation: 背接触太阳能电池结构，其具有电接触前侧和金属化背面的电池图案化基极和发射极金属化，电连接到背接触太阳能电池半导体衬底上的基极和发射极区域。 由背面接触太阳能电池半导体衬底相对匹配的具有相对于后接触太阳能电池半导体衬底的热膨胀系数的由树脂和纤维制成的背板层叠层附着到电池基极和发射极金属化以及未接触的背接触太阳能电池半导体衬底的部分 通过电池基极和发射极金属化。

公开(公告)号：US20140318611A1

公开(公告)日：2014-10-30

申请号：US13731112

申请日：2012-12-31

Applicant: Solexel, Inc.

Inventor： Mehrdad M. Moslehi ,  Pawan Kapur ,  Karl-Josef Kramer ,  Thom Stalcup

IPC: H01L31/0224 ,  H01L31/18

CPC classification number: H01L31/022441 ,  H01L31/0516 ,  H01L31/0682 ,  Y02E10/547

Abstract: Fabrication methods and structures relating to multi-level metallization for solar cells as well as fabrication methods and structures for forming thin film back contact solar cells are provided.

Abstract translation: 提供了与太阳能电池的多层金属化相关的制造方法和结构以及用于形成薄膜背接触太阳能电池的制造方法和结构。

公开(公告)号：US20160013335A1

公开(公告)日：2016-01-14

申请号：US14615335

申请日：2015-02-05

Applicant: SOLEXEL, INC.

Inventor： Mehrdad M. Moslehi ,  Karl-Josef Kramer ,  Sean M. Seutter ,  Pawan Kapur ,  Thom Stalcup ,  David Xuan-Qi Wang ,  George D. Kamian ,  Kamran Manteghi ,  Yen-Sheng Su ,  Pranav Anbalagan ,  Virendra V. Rana ,  Anthony Calcaterra ,  Gerry Olsen ,  Wojciech Worwag

IPC: H01L31/0224 ,  H01L31/18

CPC classification number: H01L31/022441 ,  H01L31/0516 ,  H01L31/1804 ,  Y02E10/50

Abstract: Fabrication methods and structures relating to backplanes for back contact solar cells that provide for solar cell substrate reinforcement and electrical interconnects are described. The method comprises depositing an interdigitated pattern of base electrodes and emitter electrodes on a backside surface of a semiconductor substrate, attaching a prepreg backplane to the interdigitated pattern of base electrodes and emitter electrodes, forming holes in the prepreg backplane which provide access to the first layer of electrically conductive metal, and depositing a second layer of electrically conductive metal on the backside surface of the prepreg backplane forming an electrical interconnect with the first layer of electrically conductive metal through the holes in the prepreg backplane.

Abstract translation: 描述了提供太阳能电池基板加强和电互连的背接触太阳能电池的背板的制造方法和结构。 该方法包括在半导体衬底的背面上沉积基底电极和发射电极的交错图案，将预浸料底板附着到基底电极和发射电极的交错图案上，在预浸料底板上形成孔，其提供对第一层 的导电金属，并且在预浸料背板的背面上沉积第二导电金属层，通过预浸料背板中的孔与第一导电金属层形成电互连。

公开(公告)号：US09806220B2

公开(公告)日：2017-10-31

申请号：US14539978

申请日：2014-11-12

Applicant: Solexel, Inc.

Inventor： Mehrdad M. Moslehi ,  Thom Stalcup ,  Karl-Josef Kramer ,  Anthony Calcaterra ,  Virendra V. Rana ,  Sean M. Seutter ,  Pawan Kapur ,  Michael Wingert

IPC: H01L21/00 ,  H01L31/18 ,  H01L31/0224 ,  H01L31/068

CPC classification number: H01L31/1804 ,  H01L31/022441 ,  H01L31/0682 ,  Y02E10/547 ,  Y02P70/521

Abstract: A back contact solar cell is described which includes a semiconductor light absorbing layer; a first-level metal layer (M1), the M1 metal layer on a back side of the light absorbing layer, the back side being opposite from a front side of the light absorbing layer designed to receive incident light; an electrically insulating backplane sheet backside of said solar cell with the M1 layer, the backplane sheet comprising a plurality of via holes that expose portions of the M1 layer beneath the backplane sheet; and an M2 layer in contact with the backplane sheet, the M2 layer made of a sheet of pre-fabricated metal foil material comprising a thickness of between 5-250 μm, the M2 layer electrically connected to the M1 layer through the via holes in the backplane sheet.

公开(公告)号：US20150129031A1

公开(公告)日：2015-05-14

申请号：US14539978

申请日：2014-11-12

Applicant: Solexel, Inc.

Inventor： Mehrdad M. Moslehi ,  Thom Stalcup ,  Karl-Josef Kramer ,  Anthony Calcaterra ,  Virendra V. Rana ,  Sean M. Seutter ,  Pawan Kapur ,  Michael Wingert

IPC: H01L31/0224 ,  H01L31/18 ,  H01L31/028 ,  H01L31/0216

CPC classification number: H01L31/1804 ,  H01L31/022441 ,  H01L31/0682 ,  Y02E10/547 ,  Y02P70/521

Abstract: A back contact solar cell is described which includes a semiconductor light absorbing layer; a first-level metal layer (M1), the M1 metal layer on a back side of the light absorbing layer, the back side being opposite from a front side of the light absorbing layer designed to receive incident light; an electrically insulating backplane sheet backside of said solar cell with the M1 layer, the backplane sheet comprising a plurality of via holes that expose portions of the M1 layer beneath the backplane sheet; and an M2 layer in contact with the backplane sheet, the M2 layer made of a sheet of pre-fabricated metal foil material comprising a thickness of between 5-250 μm, the M2 layer electrically connected to the M1 layer through the via holes in the backplane sheet.

Abstract translation: 描述了一种背接触太阳能电池，其包括半导体光吸收层; 第一级金属层（M1），位于光吸收层背面的M1金属层，后侧与设计成接收入射光的光吸收层的前侧相反; 具有M1层的所述太阳能电池的背面电绝缘底板，所述背板片包括多个通孔，所述多个通孔使得所述M1层的背面板下方的部分露出; 以及与背板接触的M2层，M2层由包括5-250μm的厚度的预制金属箔材料制成，M2层通过导电孔中的通孔与M1层电连接 底板。