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Contact, Coating, Or Surface Geometry

Contact, Coating, Or Surface Geometry patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

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Batteries: Thermoelectric And Photoelectric


Photoelectric > Cells > Contact, Coating, Or Surface Geometry



Thin film solar cell and method of forming same
12/18/14 - 20140366935 - A solar cell device with improved performance and a method of fabricating the same is described. The solar cell includes a back contact layer formed on a substrate, an absorber layer formed on the back contact layer, a buffer layer formed on the absorber layer, and a front contact layer...

New pn structure formed by improved doping methods to simplify manufacturing process of diodes for solar cells
12/18/14 - 20140366936 - A method for doping a semiconductor substrate is disclosed wherein a layer of a first conductivity type is first formed followed by forming a blocking layer with an open area. An etch process is performed through the open area to remove the layer of the first conductivity type to exposed...

Solar cell
12/18/14 - 20140366937 - A solar cell is disclosed, which includes: a semiconductor substrate, an anti-reflective layer, a passivation layer, a back electrode and back bus bar. The semiconductor substrate has a first surface and a second surface. The anti-reflective layer is disposed on the first surface. The back electrode is a continuous electrode...

Wafer solar cell and solar cell production method
12/18/14 - 20140366938 - A wafer solar cell comprising a semiconductor layer, a back-side emitter layer, a passivation layer arranged on the emitter layer, openings being formed in said passivation layer, and a metallization layer arranged on the passivation layer, wherein the emitter layer, the passivation layer and/or the metallization layer substantially completely covers...

Methods for fabricating photovoltaic modules by tuning the optical properties of individual components
12/18/14 - 20140366939 - Methods for fabricating a photovoltaic module, and the resulting photovoltaic module, are provided and include selecting a photovoltaic cell operable to convert photons to electrons, selecting a light transparent superstrate material having a superstrate absorption coefficient and a superstrate refractive index, and selecting an encapsulant having an encapsulant absorption coefficient...

Solar cell apparatus and method of fabricating the same
12/18/14 - 20140366940 - A solar cell apparatus according to the embodiment includes a support substrate; a barrier layer on the support substrate, the barrier layer including a compound of a material included in the support substrate; a back electrode layer on the barrier layer; a light absorbing layer on the back electrode layer;...

Solar cell module and method of fabricating the same
12/18/14 - 20140366941 - Disclosed are a solar cell module and a method of fabricating the same. The solar cell module includes a back electrode layer disposed on a support substrate and having a first separation pattern, a light absorbing layer disposed on the back electrode layer and having a second separation pattern, and...

Solar cell and method of fabricating the same
12/18/14 - 20140366942 - Disclosed are a solar cell and a method of fabricating the same. The solar cell includes a molybdenum layer on a support substrate; an ohmic layer on the molybdenum layer; a light absorbing layer on the ohmic layer; and a front electrode layer on the light absorbing layer, wherein the...

Back contact solar cells using aluminum-based alloy metallization
12/11/14 - 20140360567 - Methods and structures for photovoltaic back contact solar cells having multi-level metallization with at least one aluminum-silicon alloy metallization layer are provided....

Collector sheet for solar cell and solar cell module employing same
12/11/14 - 20140360568 - Provided is a collector sheet for a solar cell, wherein the collector sheet for solar cell can prevent short circuiting between a non-photoreception surface side element and a wiring section, as well as cushioning shocks. This collector sheet (2) for a solar cell has a circuit (22) on the surface...

Method for processing surface of light-transmitting glass and light-transmitting glass processed by said method
12/11/14 - 20140360569 - To impart antiglare properties without reducing the amount of transmitted light, a method for processing a surface of light-transmitting-glass according to the present invention comprises a blasting step of ejecting abrasive grains with particle sizes of #800 to #3000 (average particle diameter 14 μm to 4 μm) such as WA...

Solar cell and manufacturing method thereof
12/11/14 - 20140360570 - The manufacturing method of a solar cell includes forming a photoelectric conversion unit and forming an electrode connected to the photoelectric conversion unit. The step of forming the electrode includes forming a seed formation layer connected to the photoelectric conversion unit, forming an anti-oxidation layer on the seed formation layer,...

Solar cell and manufacturing method thereof
12/11/14 - 20140360571 - A manufacturing method of a solar cell is discussed. The manufacturing method of the solar cell includes forming a tunneling layer on one surface of a semiconductor substrate, forming a semiconductor layer on the tunneling layer, doping the semiconductor layer with a first conductive dopant and a second conductive dopant...

Solar cell apparatus and method of fabricating the same
12/11/14 - 20140360572 - Disclosed are a solar cell apparatus and a method of fabricating the same. The solar cell apparatus includes a substrate, a back electrode layer on the substrate, a light absorbing layer on the back electrode layer, a front electrode layer on the light absorbing layer, a bus bar provided beside...

Sealing sheet for solar cell
12/11/14 - 20140360573 - A solar cell encapsulant sheet including a resin layer (S) formed of a resin composition containing an olefine-based resin, wherein the storage elastic modulus at 25° C. of the resin layer (S) is 200 MPa or less, at least one surface of the resin layer (S) is the sheet surface...

Thin film photovoltaic module with stabilized polymer
12/11/14 - 20140360574 - The present invention provides a photovoltaic device comprising metal and a poly(vinyl butyral) layer that incorporates a suitable amount of 1H-benzotriazole. When electrical bias is applied to the photovoltaic device, 1H-benzotriazole forms a barrier layer at the metal/poly(vinyl butyral) interface, which, for example, unexpectedly virtually eliminated the yellowing of poly(vinyl...

Method for manufacturing bowl-shaped surface structures of single-crystalline silicon substrates and a single-crystalline silicon substrate with bowl-shaped surface structures
12/04/14 - 20140352771 - A single-crystalline silicon substrate with bowl-shaped surface structures and a manufacturing method of the same are provided. The manufacturing method comprises a sandblasting treatment for forming a textured structure on one surface of the single-crystalline silicon substrate and an etching process for etching the textured structure into plural bowl-shaped surface...

Solar cell and method of manufacturing the same
12/04/14 - 20140352772 - A solar cell includes a substrate, a barrier layer on the substrate, a back electrode layer on the barrier layer, a light absorption layer on the back electrode layer, a buffer layer on the light absorption layer, and a transparent electrode layer on the buffer layer. The barrier layer is...

Solar cell
12/04/14 - 20140352773 - A solar cell includes a photovoltaic substrate having a first surface and a second surface and a plurality of bus bar electrode net structures. The bus bar electrode net structures are separately disposed on the first surface, each bus bar electrode net structure includes a bus bar electrode, a plurality...

Method of manufacturing solar cell electrode
12/04/14 - 20140352774 - A method of manufacturing a solar electrode comprising steps of:(a) stencil printing a conductive paste onto a front side of a semiconductor substrate through a printing mask comprising: (i) 60 wt % to 95 wt % of a conductive powder, (ii) 0.1 wt % to 10 wt % of glass...

Repeatedly chargeable and dischargeable quantum battery
12/04/14 - 20140352775 - The purpose of this invention is to provide a repeatedly chargeable and dischargeable quantum battery that is available for a long period of time without an aging change. The quantum battery is charged by causing an n-type metal oxide semiconductor to have a photo-exited structural change, thereby the electrode of...

Polyester film, solar cell backsheet, and solar cell
12/04/14 - 20140352776 - [Means for Solution] The polyester film according to the present invention has a peak count SPc (400 nm) of not less than 100 and a peak count SPc (4,000 nm) of not more than 10 on at least one surface, the polyester film having an amount of terminal carboxyl groups...

Automated flexible solar cell fabrication and interconnection utilizing rolls expanded metallic mesh
12/04/14 - 20140352777 - A method for forming photovoltaic cells comprises providing a first roll of a photovoltaic material and a second roll of an expanded metallic mesh. The photovoltaic material comprises a photoactive material adjacent to a flexible substrate, and the expanded metallic mesh comprises a plurality of openings. Next, an electrically insulating...

Solar cell pastes for low resistance contacts
12/04/14 - 20140352778 - Paste compositions, methods of making a paste composition, solar cells, and methods of making a solar cell contact are disclosed. The paste composition can include a conductive metal component, a glass component, and a vehicle. The glass component can include SiO2 at about 3 mole % or more and about...

Arrangements with pyramidal features having at least one nanostructured surface and methods of making and using
12/04/14 - 20140352779 - One embodiment is a nanostructured arrangement having a base and pyramidal features formed on the base. Each pyramidal feature includes sloping sides converging at a vertex. The nanostructured arrangement further includes a nanostructured surface formed on at least one of the sloping sides of at least one of the pyramidal...

Solar cell, solar cell module, and method of manufacturing solar cell
12/04/14 - 20140352780 - A solar cell includes a photoelectric conversion body having principal surface with rugged structures and an electrode on the principal surface. The electrode includes first conductive materials, second conductive materials and resin. The second conductive materials are flat-shaped so that an aspect ratio of the second conductive materials, which is...

Laser contact processes, laser system, and solar cell structures for fabricating solar cells with silicon nanoparticles
12/04/14 - 20140352781 - A laser contact process is employed to form contact holes to emitters of a solar cell. Doped silicon nanoparticles are formed over a substrate of the solar cell. The surface of individual or clusters of silicon nanoparticles is coated with a nanoparticle passivation film. Contact holes to emitters of the...

Method and structure for eliminating edge peeling in thin-film photovoltaic absorber materials
12/04/14 - 20140352782 - A method for manufacturing a thin-film photovoltaic device includes providing a glass substrate contained sodium species. The glass substrate comprising a surface region and a peripheral edge region surround the surface region. The method further includes forming a barrier material overlying the surface region and partially overlying the peripheral edge...

Solar cell module
12/04/14 - 20140352783 - A solar cell module includes a solar cell and a sealing material. The solar cell includes a photoelectric conversion body, a transparent conductive oxide layer, and an electrode. The transparent conductive oxide layer is disposed on a first main surface of the photoelectric conversion body. The electrode is disposed on...

Shunt treatment in inverted and wafer bonded solar cells
11/27/14 - 20140345683 - Provided are methods and systems for treating shunts on solar cell substrates. Also provided are solar cells including such substrates. A shunt detected on a substrate proximate to a metallized grid pattern is electrically disconnected from at least the bus portion of the grid, which reduces shunt's impact on performance...

Colored solar cells and panels containing the same
11/27/14 - 20140345684 - The present invention provides a high efficiency colored solar cell, which exhibits both a high conversion efficiency and optically desirable color, comprising a photoelectric conversion substrate; at least one anti-reflection layer formed on the photoelectric conversion substrate; and two or more transparent inorganic dielectric layers formed on the anti-reflection layer(s),...

Photovoltaic cell and method of forming the same
11/27/14 - 20140345685 - A photovoltaic cell comprises a base substrate comprising silicon and including a rear region. A first electrode is disposed on, and is in electrical communication with, the rear region, and comprises a first metal present in the first electrode in a majority amount. A second electrode is spaced from the...

High-throughput continuous gas-phase synthesis of nanowires with tunable properties
11/27/14 - 20140345686 - A method for forming wires, including providing catalytic seed particles suspended in a gas, providing gaseous precursors that comprise constituents of the wires to be formed and growing the wires from the catalytic seed particles. The wires may be grown in a temperature range between 425 and 525 C and...

Niobium thin film stress relieving layer for thin-film solar cells
11/27/14 - 20140345687 - A photovoltaic device includes a thermal stress relieving layer on top of a substrate; a back ohmic contact on the thermal stress relieving layer; and a p-type semiconductor photon absorber layer on the back ohmic contact. The back ohmic contact comprises a metallic compound of the sacrificial back electrode metal...

Solar cell having doped semiconductor heterojunction contacts
11/27/14 - 20140345688 - A silicon solar cell has doped amorphous silicon contacts formed on a tunnel silicon oxide layer on a surface of a silicon substrate. High temperature processing is unnecessary in fabricating the solar cell....

Solar cell
11/20/14 - 20140338737 - A solar cell including a substrate; a first electrode on the substrate; an intermediate connection layer on the first electrode, the intermediate layer including a first region and a third region; a light absorbing layer on the third region of the intermediate connection layer; and a wire on the first...

Solar cell and method for manufacturing the same
11/20/14 - 20140338738 - A solar cell includes a substrate of a first conductive type, a first doped region positioned at a first surface of the substrate and contains impurities of a second conductive type different from the first conductive type, and a first electrode part electrically connected to the first doped region. The...

Integrated back-sheet for back contact photovoltaic module
11/20/14 - 20140338739 - An integrated back-sheet for a back contact photovoltaic module is provided. The integrated back-sheet is formed from a polymer substrate and a conductive metal foil that is die cut to provide a metal foil circuit that is adhered to the polymer substrate. A back contact solar cell module incorporating the...

Preparation of cementitious articles with a high surface finish for use in electrical devices
11/20/14 - 20140338740 - The preparation of cementitious articles with a high surface finish, useful for the preparation of electrical devices, in particular photovoltaic devices, is described. The process involves exposing a prefabricated cementitious article to specific temperature and pressure intervals, for a given time period, and then coating the article thus treated with...

Conducting substrate for a photovoltaic cell
11/20/14 - 20140338741 - A subject-matter of the invention is a conducting substrate (1) for a photovoltaic cell, comprising a carrier substrate (2) and an electrode coating (6) formed on the carrier substrate (2). The electrode coating (6) comprises a main molybdenum-based layer (8) formed on the carrier substrate (2), a barrier layer to...

Solar cell and method of fabricating the same
11/20/14 - 20140338742 - Disclosed are a solar cell and a method of fabricating the same. The solar cell includes a support substrate, a back electrode layer on the support substrate, a light absorbing layer on the back electrode layer, and a front electrode layer on the light absorbing layer. The back electrode layer...

Solar cell and method for preparing the same
11/20/14 - 20140338743 - The present invention relates to a solar cell and a method for preparing the same. The solar cell of the present invention comprises a first conductive type substrate; a second conductive type emitter layer which is located on the substrate and has a first opening; an anti-reflective film which is...

Process for texturing the surface of a silicon substrate, structured substrate and photovoltaic device comprising such a structured substrate
11/20/14 - 20140338744 - The invention relates to a process for texturing the surface of a silicon substrate, comprising a step of exposing said surface to an MDECR plasma generated, at least from argon, using between 1.5 W/cm2 and 6.5 W/cm2 of plasma power in a matrix distributed electron cyclotron resonance plasma source, the...

Solar cell module
11/20/14 - 20140338745 - A solar cell module includes a solar cell, a light-receiving side protection member, aback side protection member, and an encapsulant. The light-receiving side protection member is made of a glass plate or a ceramic plate. The back side protection member is made of a resin sheet. The encapsulant contains an...

Solar cell module
11/20/14 - 20140338746 - A solar cell module is provided with a solar cell, a first protection member, a second protection member, and a sealing material. The first protection member is disposed at a first side of the solar cell. The second protection member is made of a resin sheet that is disposed at...

Via fill material for solar applications
11/13/14 - 20140332067 - The present invention is directed toward a via fill material for use in solar applications that exhibits low series resistance and high shunt resistance. The via fill material according to the invention includes silver powder, a glass frit and a vehicle....

Screen printing electrical contacts to nanowire areas
11/13/14 - 20140332068 - A process is provided for contacting a nanostructured surface. The process may include (a) providing a substrate having a nanostructured material on a surface, (b) passivating the surface on which the nanostructured material is located, (c) screen printing onto the nanostructured surface and (d) firing the screen printing ink at...

Controlled expansion flexible metal substrate material having a textured structure
11/13/14 - 20140332069 - The present invention relates to a controlled expansion flexible metal substrate material and to a production method therefor. In the present invention, an electrocasting method is used in order to produce a metal substrate material which comprises a controlled expansion alloy and has a textured structure and a wide width....

Thin-film solar cell module and method for manufacturing the same
11/13/14 - 20140332070 - A method for manufacturing a thin-film solar cell module includes a rear surface electrode layer deposition step for depositing a rear surface electrode layer on a substrate, an alkali metal adding step for adding an alkali metal to the rear surface electrode layer, a light absorbing layer deposition step for...

Electrically conductive polymeric compositions, contacts, assemblies, and methods
11/13/14 - 20140332071 - Electrically conductive polymeric compositions adapted for use in forming electronic devices are disclosed. The compositions are thermally curable at temperatures less than about 250° C. Compositions are provided which may be solvent-free and so can be used in processing or manufacturing operations without solvent recovery concerns. Core-shell conductive particles provide...

Photovoltaic cell and method of forming the same
11/13/14 - 20140332072 - A photovoltaic (PV) cell comprises a base substrate comprising silicon and including an upper doped region. A coating layer is disposed on the upper doped region and has an outer surface. Fingers are disposed in the coating layer. Each finger has a lower portion in electrical contact with the upper...

Solar cell by-pass diode with improved metal contacts
11/06/14 - 20140326304 - The present disclosure provides a system, method, and apparatus for a solar cell by-pass diode with improved metal contacts. The method involves depositing a dielectric layer (e.g., SiO2 layer) on the metal contacts, and etching off a portion of the dielectric layer after sintering the metal contacts. The dielectric layer...

Solar cell and method for manufacturing same
11/06/14 - 20140326305 - Disclosed are a solar cell and a method for manufacturing the same. The solar cell comprises asymmetric nanowires each of which has an angled sidewall, and thus incident light can be concentrated at a p-n junction portion by means of a total reflection phenomenon of light caused by the difference...

Highly efficient solar cell module
11/06/14 - 20140326306 - The subject invention discloses a solar cell module comprising: a first glass layer, wherein one side of the glass layer comprises embossing, the surface angle of the embossing is in the range of 1 to 45 degrees, and the surface of the embossing comprises a reflective coating; a first encapsulated...

Photoelectric conversion device and manufacturing method thereof
11/06/14 - 20140326307 - A photoelectric conversion device with a novel anti-reflection structure. In the photoelectric conversion device, a front surface of a semiconductor substrate which serves as a light-receiving surface is covered with a group of whiskers (a group of nanowires) so that surface reflection is reduced. In other words, a semiconductor layer...

Solar cell contact formation using laser ablation
11/06/14 - 20140326308 - The formation of solar cell contacts using a laser is described. A method of fabricating a back-contact solar cell includes forming a poly-crystalline material layer above a single-crystalline substrate. The method also includes forming a dielectric material stack above the poly-crystalline material layer. The method also includes forming, by laser...

Method for preventing an electrical shortage in a semiconductor layer stack, thin substrate cpv cell, and solar cell assembly
11/06/14 - 20140326309 - The invention relates to a method for preventing an electrical shortage between at least two layers of a semiconductor layer stack attached by the surface of one of its layers to a substrate via a conductive adhesive by providing an isolating layer on the side walls of the stack or...

Organic photovoltaic device
11/06/14 - 20140326310 - The invention relates to an organic photovoltaic device, in a layered structure, comprising a substrate, a bottom electrode, a top electrode, wherein the bottom electrode is closer to the substrate than the top electrode, an electronically active region, the electronically active region being provided between and being in electrical contact...

Metal-chalogenide photovoltaic device with metal-oxide nanoparticle window layer
11/06/14 - 20140326311 - A metal-chalcogenide photovoltaic device includes a first electrode, a window layer spaced apart from the first electrode, and a photon-absorption layer between the first electrode and the window layer. The photon-absorption layer includes a metal-chalcogenide semiconductor. The window layer includes a layer of metal-oxide nanoparticles, and at least a portion...

Multi-level solar cell metallization
10/30/14 - 20140318611 - 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....

Manufacturing method of silicon solar cell and silicon solar cell
10/30/14 - 20140318612 - A manufacturing method of a silicon solar cell and the silicon solar cell thereof are provided. A silicon substrate formed with a doped layer on a light receiving surface thereof is provided. First and second dielectric layers are respectively formed on the light receiving surface and the rear surface of...

Solar cell
10/30/14 - 20140318613 - A solar cell is provided that includes a semiconductor substrate with a front-side contact and a rear-side contact. The front-side contact includes contact fingers running parallel to one another and at least one busbar running transversely with respect thereto. A connector runs along the busbar and is cohesively connected thereto....

Back-contact solar cell and method for producing such a back-contact solar cell
10/30/14 - 20140318614 - A method for producing a solar cell that has a semiconductor substrate of a first conductivity type. The method includes producing a plurality of passage openings, creating a layer of a conductivity type opposite the first conductivity type along a front side, producing a front-side contact in the form of...

Conductive composition, silicon solar cell including the same, and manufacturing method thereof
10/30/14 - 20140318615 - A conductive composition for a front electrode busbar of a silicon solar cell includes a metallic powder, a solder powder, a curable resin, a reducing agent, and a curing agent. A method of manufacturing a front electrode busbar of a silicon solar cell includes applying the composition to the front...

Back-protective sheet for solar cell module and solar cell module using same
10/30/14 - 20140318616 - A back-protective sheet for a solar cell module includes a polyolefin resin multi-layer film having a layer A/layer B/layer C three layer constitution, a plastic film, and a UV absorbing layer disposed in this order, wherein the layer A includes a resin composition prepared by mixing a polyethylene resin and...

Backsheet for solar cell module, laminate, and solar cell module
10/30/14 - 20140318617 - An object of the present invention is to provide a backsheet, laminate, and solar cell module that can prevent the infiltration of water through a region of adhesion with the junction box. The present invention is a backsheet for a solar cell module, the backsheet having a water-impermeable sheet and...

Paste composition for front electrode of solar cell and solar cell using the same
10/30/14 - 20140318618 - According to the present invention, a front electrode is formed using a paste composition containing nano silver powder surface-treated with hexanoic acid, thereby decreasing resistance of a front electrode and broadening an area capable of absorbing light, to improve solar cell efficiency....

The dual surface sunlight trapping photovoltaic solar leaf module
10/23/14 - 20140311559 - We describe an invention, the Photovoltaic Solar Leaf Module, comprising of an active photovoltaic (PV) thin film layer being sandwiched and laminated by two sheets of light trapping surface textured polymer, which also form a durable, light weight and flexible protective casing around the active PV thin film layer, which...

Multilayer laminate for photovoltaic applications
10/23/14 - 20140311560 - A multilayer laminate for a photovoltaic device includes a barrier polymer layer. The barrier polymer layer includes a fluoropolymer layer disposed on a polyester layer. A polymeric support layer is disposed on the polyester layer of the barrier polymer layer and a conductive layer is disposed on the polymeric support...

Multilayer laminate for photovoltaic applications
10/23/14 - 20140311561 - A multilayer laminate for a photovoltaic device includes a barrier polymer layer. The barrier polymer layer includes a fluoropolymer layer disposed on a polyester layer. A polymeric support layer is disposed on the polyester layer of the barrier polymer layer and a conductive layer is disposed on the polymeric support...

Solar cell
10/23/14 - 20140311562 - Disclosed is a solar cell including a semiconductor substrate, an emitter layer formed at the semiconductor substrate, the emitter layer being a conductive type different from that of the semiconductor substrate, a back surface field layer formed at the semiconductor substrate, the back surface field layer being the same conductive...

Method of manufacturing a solar cell with local back contacts
10/23/14 - 20140311563 - The invention relates to the manufacturing process of a solar cell (1) with back contact and passivated emitter, comprising a dielectric stack (10) of at least two layers consisting of at least a first dielectric layer (11) made of AlOx in contact with a p-type silicon layer (3), and a...

Znmgo film and method of manufacturing znmgo film
10/23/14 - 20140311564 - A method of manufacturing a ZnMgO film includes the steps of in order: dissolving a zinc material and a magnesium material in an aqueous ammonia solution having a temperature at which, in an aqueous solution state diagram which represents ion concentrations on a vertical axis and pH on a horizontal...

Solar cell apparatus and method of fabricating the same
10/23/14 - 20140311565 - A solar cell apparatus according to the embodiment includes a substrate including a top surface and a bottom surface which are opposite to each other; a back electrode layer on the top surface of the substrate; a light absorbing layer on the back electrode layer; a front electrode layer on...