Miasole

Beijing Apollo Ding Rong Solar Technology Co., Ltd.

Honeywell International Inc.

Utica Leaseco, LLC

Apollo Precision Fujian Limited

Apollo Precision Kunming Yuanhong Limited

Todd Allen Krajewski

Jason Stephen Corneille

Nigel P Hacker

Richard A Spear

Kedar Hardikar

Anil Justin Vijayendran

Shefali Jaiswal

Daniel R Juliano

Paul K Shufflebotham

Steven Thomas Croft

Shawn Everson

William James McColl

Jason Tolentino

Kent Whitfield

Darin Britwhistle

Various processes can apply pressure and/or heat to a photovoltaic (PV) layer, including processes that integrate solar cells into different types of industrial glass such as an autoclave lamination process. The disclosure describes a planarization technique that can be used on the PV layer to eliminate point loads caused by such processes. In an aspect, a method for producing a component is described that includes disposing or placing a planarization material on a PV layer, modifying a physical form of the planarization material to provide a planar surface made of the planarization material on one side of the PV layer having surface irregularities, and forming a stack of layers (e.g., as part of an autoclave lamination process) for the component by disposing a first layer over the planar surface on the one side of the PV layer and a second layer over the other, opposite side of the PV layer.

Planarization of photovoltaics

This disclosure describes various structures, devices, and arrangements that replace a PSA used to hold shingled cells together with an adhesive film. For example, in an aspect, the present disclosure is directed to a shingled arrangement of photovoltaic (PV) cells. In some aspects, the shingled arrangement of PV cells may include a first PV cell, a second PV cell, and an adhesive film placed between a backside the first PV cell and a front side of the second PV cell. The adhesive film may be thermally bonded to the first PV cell and to the second PV cell after the application of localized heat and pressure and holds the first PV cell and the second PV cell together. Additionally, a bus bar of the second PV cell may be electrically connected to the first PV cell by a conductive via formed through the adhesive film.

Systems and methods for shingling cells using an adhesive film

A photovoltaic module includes front and back sealing layers and at least one photovoltaic cell positioned located therebetween. A moisture resistant layer provided between the first and second sealing layers extends around a portion of a perimeter of the at least one photovoltaic cell. A moisture barrier structure including moisture barrier particles is operatively connected to the sealing layers. The moisture barrier structure improves the moisture resistance of the sealing layer and decreases the water vapor transmission rate into the photovoltaic module.

Photovoltaic module with improved moisture protection layer

A solar panel includes a first photovoltaic cell, a second photovoltaic cell, and a flexible electrical connection structure which comprises an electrically conductive connector that electrically connects the first photovoltaic cell and the second photovoltaic cell in series along a connection direction. The electrically conductive connector does not extend from a first major surface of a flexible transparent insulating sheet through a thickness of the flexible transparent insulating sheet to a second major surface of the flexible transparent insulating sheet.

Photovoltaic module with flexible wire interconnection

Disclosed are wire assemblies for solar cells. One wire assembly includes a first polymer film and a second polymer film overlaying the first polymer film. The second polymer film has a wire embedded in it such that a surface of the wire that is facing away from the first polymer film is exposed. The gauge of the wire is about 36 to 46 gauge. The thickness of the second polymer film is about &#xbc; to &#xbd; the diameter of the wire and about 0.5 to 1.5 mils.

Small gauge wire solar cell interconnect

Provided are flexible photovoltaic modules having flaps for supporting junction boxes. Junction boxes are used for making electrical connections to photovoltaic cells sealed inside the modules. A flap may be formed by one or two flexible sealing sheets extending beyond the boundary of the photovoltaic cells. A junction box is attached to the front surface of the flap. In certain embodiments, a flap is formed by one sealing sheet, such as a back side sheet. Materials of the back side sheet may be different from materials of the front side sheet and be selected to ensure support to the junction box. Additional support to the junction box may be provided by extending one of its edges in between the two sealing sheets. This edge extension or other features may be used for mechanical protection of electrical leads extending between the junction box and photovoltaic cells.

Flexible photovoltaic modules having junction box supporting flaps

Provided are novel methods of fabricating photovoltaic modules using pressure sensitive adhesives (PSA) to secure wire networks of interconnect assemblies to one or both surfaces of photovoltaic cells. A PSA having suitable characteristics is provided near the interface between the wire network and the cell's surface. It may be provided together as part of the interconnect assembly or as a separate component. The interconnect assembly may also include a liner, which may remain as a part of the module or may be removed later. The PSA may be distributed in a void-free manner by applying some heat and/or pressure. The PSA may then be cured by, for example, exposing it to UV radiation to increase its mechanical stability at high temperatures, in particular at a, for example the maximum, operating temperature of the photovoltaic module. For example, the modulus of the PSA may be substantially increased during this curing operation.

Adhesives for attaching wire network to photovoltaic cells

A solar-cell module. The solar-cell module includes a plurality of solar cells that are electrically coupled together. The solar-cell module further includes an in-laminate-diode assembly electrically coupled with the plurality of solar cells. The in-laminate-diode assembly is configured to prevent power loss. The solar-cell module also includes a protective structure at least partially encapsulating the plurality of solar cells. In addition, the solar-cell module includes a plurality of external-connection mechanisms mounted to a respective plurality of edge regions of the protective structure. An external-connection mechanism of the plurality of external-connection mechanisms is configured to enable collection of current from the plurality of solar cells and to allow interconnection with at least one other external device.

Solar-cell module with in-laminate diodes and external-connection mechanisms mounted to respective edge regions

Provided are photovoltaic module assemblies configured for improved installation. The assemblies include frameless photovoltaic modules and retainers for supporting the modules on mounting structures. The retainers support the modules at least during cure of adhesive materials provided between the modules and the mounting structures. Once cured, the adhesive materials provide permanent support to the modules. The retainers may interlock with the mounting structures during installation or be integral components of the structures. In certain embodiments, retainers are used to control a gap between the modules and mounting structures. Retainers may be removable and collected after installation is completed. Alternatively, retainers may remain as parts of assemblies at least during some initial period. Retainers may be made from various degradable materials, such as biodegradable plastics, UV degradable plastics, and/or water soluble materials. Provided also are methods for installing frameless photovoltaic modules on mounting structures.

Retainers for attaching photovoltaic modules to mounting structures

A photovoltaic device includes at least one photovoltaic cell, a flexible glass layer formed over the at least one photovoltaic cell, and a transparent planarizing hardcoat formed on the glass layer. The planarizing hardcoat may be in compressive stress and the glass layer may be in tension.

Protective layers for a glass barrier in a photovoltaic device

A photovoltaic device includes at least one photovoltaic cell, a flexible glass layer formed over the at least one photovoltaic cell and a transparent and abrasion resistant film which includes an organic-inorganic hybrid material formed over the glass layer.

Multilayer articles such as thin-film solar cells can be effectively tested under thermal load in a mini-module that includes a chamber or enclosure in which one or more laminated multilayer articles are housed. The inner dimensions of the chamber, at least along the axis that is perpendicular to the plane defined by the laminated solar cells, are configured to remain substantially constant during testing. Cooling the laminated solar cells in the mini-module device causes the encapsulant material to shrink and thereby induces accelerated failures in the laminated solar cells and associated structures. A technique of detecting the presence of defects or failures is near infrared radiation thermography wherein NIR images of the laminated solar cells are taken during the cooling process. The color patterns manifested from the cooled laminated solar cells can reveal the location, nature and extent of the defect or failure.

Cold lift-off test for strength of film stack subjected to thermal loading

Provided are novel back sheets for solar module encapsulation. According to various embodiments, the back sheets are ungrounded and flexible. In certain embodiments, the back sheets include an integrated flexible and electrically isolated moisture barrier. The electrically isolated moisture barrier may be a thin metallic sheet, e.g., an aluminum foil. The electrically isolated, flexible moisture barrier eliminates the need for grounding.

Isolated metallic flexible back sheet for solar module encapsulation

Provided are novel back sheets for solar module encapsulation. According to various embodiments, the back sheets are ungrounded and flexible. In certain embodiments, the back sheets include an integrated flexible and electrically isolated moisture barrier and a seal around the edge of the moisture barrier. The electrically isolated moisture barrier may be a thin metallic sheet, e.g., an aluminum foil. The electrically isolated, flexible moisture barrier eliminates the need for grounding.

Growing community of inventors

Mountain View, CA, United States of America

Todd Allen Krajewski