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    Windows Implementing Effectively Transparent Conductors and Related Methods of Manufacturing
    3.
    发明申请
    Windows Implementing Effectively Transparent Conductors and Related Methods of Manufacturing 审中-公开

    公开(公告)号：US20200063487A1

    公开(公告)日：2020-02-27

    申请号：US16547511

    申请日：2019-08-21

    Applicant: California Institute of Technology

    Inventor： Rebecca Saive ,  Harry A. Atwater ,  Thomas C.R. Russell ,  Michael D. Kelzenberg ,  Lucas J. Myers

    IPC: E06B3/67 ,  E06B9/24 ,  E06B3/66

    Abstract: Systems and methods for transparent materials implementing effectively transparent conductors in accordance with various embodiments of the invention are illustrated. One embodiment includes a window including a first transparent layer of transparent material having a first surface and a second surface, a first plurality of triangular conductors in optical communication with the first transparent layer of glass, wherein each of the first plurality of triangular conductors includes a base side that is parallel to the first surface of the first transparent layer of glass and wherein the first plurality of triangular conductors is configured to redirect a portion of incident light, wherein the portion of incident light travels through both the first surface and the second surface of the first transparent layer of glass.

    Solar Cells and Methods of Manufacturing Solar Cells Incorporating Effectively Transparent 3D Contacts
    5.
    发明申请
    Solar Cells and Methods of Manufacturing Solar Cells Incorporating Effectively Transparent 3D Contacts 审中-公开
    太阳能电池和太阳能电池的制造方法

    公开(公告)号：US20160322514A1

    公开(公告)日：2016-11-03

    申请号：US15144807

    申请日：2016-05-02

    Applicant: California Institute of Technology

    Inventor： Harry A. Atwater ,  Rebecca Saive ,  Aleca M. Borsuk ,  Hal Emmer ,  Colton Bukowsky ,  Sisir Yalamanchili

    IPC: H01L31/02 ,  H01L31/18 ,  H01L31/0232

    CPC classification number: H01L31/022425 ,  H01L31/043 ,  H01L31/0547 ,  H01L31/0747 ,  Y02E10/52

    Abstract: Solar cells in accordance with a number of embodiments of the invention incorporate effectively transparent 3D contacts that redirect light incident on the contacts onto the photoabsorbing surfaces of the solar cells. One embodiment includes a photoabsorbing surface and a plurality of three-dimensional contacts formed on the photoabsorbing surface. The plurality of three-dimensional contacts are spaced apart so that radiation is incident on a portion of the photoabsorbing surface. In addition, the three-dimensional contacts include at least one surface that redirects radiation incident on the three-dimensional contacts onto the photoabsorbing surface. Processes for manufacturing solar cells in accordance with many embodiments of the invention include: fabricating prototype three-dimensional contacts; forming a master structure for use in a gravure printing process using the prototype three-dimensional contacts; and forming three-dimensional contacts using a printing material formed on a substrate material using the master structure in a gravure printing process.

    Abstract translation: 根据本发明的多个实施例的太阳能电池将有效透明的3D触点引入，该触点将入射到触点上的光重定向到太阳能电池的光吸收表面上。 一个实施例包括光吸收表面和形成在光吸收表面上的多个三维触点。 多个三维触点间隔开，使得辐射入射到光吸收表面的一部分上。 此外，三维触点包括将入射到三维触点上的辐射重定向到光吸收表面的至少一个表面。 根据本发明的许多实施例的用于制造太阳能电池的方法包括：制造原型三维接触; 形成用于使用原型三维触点的凹版印刷工艺中的主结构; 以及使用在凹版印刷工艺中使用主结构的在基材上形成的印刷材料形成三维接触。

    Fabrication processes for effectively transparent contacts
    7.
    发明授权
    Fabrication processes for effectively transparent contacts 有权

    公开(公告)号：US10700234B2

    公开(公告)日：2020-06-30

    申请号：US15999264

    申请日：2018-08-17

    Applicant: California Institute of Technology

    Inventor： Rebecca Saive ,  Harry A. Atwater ,  Sisir Yalamanchili ,  Colton Bukowsky ,  Thomas Russell

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

    Abstract: In conventional solar cells with metal contacts, a non-negligible fraction of the incoming solar power is immediately lost either through absorption or reflection upon interaction with the contacts. Effectively transparent contacts (“ETCs”) for solar cells can be referred to as three-dimensional contacts designed to redirect incoming light onto a photoabsorbing surface of a solar cell. In many embodiments, the ETCs have triangular cross-sections. Such ETCs can be placed on a photoabsorbing surface such that at least one of their sides forms an angle with the photoabsorbing surface. In this configuration, the ETCs can redirect incident light onto the photoabsorbing surface, mitigating or eliminating reflection loss compared to conventional solar cells. When constructed in accordance with a number of embodiments of the invention, ETCs can be effectively transparent and highly conductive.

    Fabrication Processes for Effectively Transparent Contacts
    8.
    发明申请
    Fabrication Processes for Effectively Transparent Contacts 审中-公开

    公开(公告)号：US20200152821A1

    公开(公告)日：2020-05-14

    申请号：US16745233

    申请日：2020-01-16

    Applicant: California Institute of Technology

    Inventor： Rebecca Saive ,  Harry A. Atwater ,  Sisir Yalamanchili ,  Colton Bukowsky ,  Thomas Russell

    IPC: H01L31/18 ,  H01L31/0224

    Abstract: In conventional solar cells with metal contacts, a non-negligible fraction of the incoming solar power is immediately lost either through absorption or reflection upon interaction with the contacts. Effectively transparent contacts (“ETCs”) for solar cells can be referred to as three-dimensional contacts designed to redirect incoming light onto a photoabsorbing surface of a solar cell. In many embodiments, the ETCs have triangular cross-sections. Such ETCs can be placed on a photoabsorbing surface such that at least one of their sides forms an angle with the photoabsorbing surface. In this configuration, the ETCs can redirect incident light onto the photoabsorbing surface, mitigating or eliminating reflection loss compared to conventional solar cells. When constructed in accordance with a number of embodiments of the invention, ETCs can be effectively transparent and highly conductive.

    Bifacial Solar Modules Incorporating Effectively Transparent Contacts
    9.
    发明申请
    Bifacial Solar Modules Incorporating Effectively Transparent Contacts 审中-公开

    公开(公告)号：US20200028005A1

    公开(公告)日：2020-01-23

    申请号：US16243930

    申请日：2019-01-09

    Applicant: California Institute of Technology

    Inventor： Rebecca Saive ,  Thomas Russell ,  Harry A. Atwater

    IPC: H01L31/0224 ,  H01L31/02

    Abstract: Bifacial solar cells have been gaining momentum due to their promise of reducing the price of photovoltaic generated electricity by increasing power output. In addition to front side illumination, bifacial solar cells can also accept photons incident on the rear side. In many embodiments, increased power output values of up to and around 50% can be achieved. In some circumstances, other values can be achieved. For example, ˜40-70% under cloudy conditions and between ˜13-35% under sunny conditions, depending on the height of the ground clearance, can be achieved. Other factors such as but not limited to the (spectral) albedo of the surroundings as well as the geometry in which the cells are mounted can strongly influence the power output. As can readily be appreciated, the exact amount of increased power output can vary widely depending on the configuration and operating conditions of the bifacial solar cell.

    Fabrication processes for effectively transparent contacts
    10.
    发明申请
    Fabrication processes for effectively transparent contacts 审中-公开

    公开(公告)号：US20190074401A1

    公开(公告)日：2019-03-07

    申请号：US15999264

    申请日：2018-08-17

    Applicant: California Institute of Technology

    Inventor： Rebecca Saive ,  Harry A. Atwater ,  Sisir Yalamanchili ,  Colton Bukowsky ,  Thomas Russell

    IPC: H01L31/18 ,  H01L31/0224

    Abstract: In conventional solar cells with metal contacts, a non-negligible fraction of the incoming solar power is immediately lost either through absorption or reflection upon interaction with the contacts. Effectively transparent contacts (“ETCs”) for solar cells can be referred to as three-dimensional contacts designed to redirect incoming light onto a photoabsorbing surface of a solar cell. In many embodiments, the ETCs have triangular cross-sections. Such ETCs can be placed on a photoabsorbing surface such that at least one of their sides forms an angle with the photoabsorbing surface. In this configuration, the ETCs can redirect incident light onto the photoabsorbing surface, mitigating or eliminating reflection loss compared to conventional solar cells. When constructed in accordance with a number of embodiments of the invention, ETCs can be effectively transparent and highly conductive.

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