WO/2015/071708 PHOTOVOLTAIC DEVICE AND METHOD OF MANUFACTURING SAME||WO||21.05.2015|
||PCT/IB2013/060215||ROTH & RAU AG||LACHENAL, Damien|
device comprising a crystalline semiconductor body (2); a front passivation layer (3); an emitter (4); a front-sided transparent conductive material stack (TC1, TC2); and a front grid metallization (7). The object of the present invention is to provide a decrease of optical and electrical losses in hetero-junction solar cells
caused by the transparent conductive material (TCM). The front-sided TCM stack comprises: a front-sided first and second transparent conductive layer consisting of a first or second base material with a first or second doping and having a non-stoichiometric composition with a first and second deviation from stoichiometry. The average carrier concentration of the whole front-sided transparent conductive material stack is between 1 x 1020 cm-3 and 2 x 1020 cm-3; the refractive indices (n > 2 at a wavelength of about 550 nm); and the carrier mobility in the font-sided first transparent conductive layer is higher than the carrier mobility in the front-sided second transparent conductive layer or structure if the layers have a comparable thickness.
WO/2015/071992 APPARATUS AND METHOD FOR BONDING INTERCONNECTOR AND SOLAR CELL ELEMENT||WO||21.05.2015|
||PCT/JP2013/080793||ECO. & ENGINEERING CO., LTD.||YAMAGUCHI Fumio|
Provided are an apparatus (1) for bonding together an interconnector (I) and a solar cell
element (P), and a bonding method using the bonding apparatus. The apparatus is characterized in being configured such that: the apparatus includes a main heating means (3) employing an induction heating system
, said main heating means being capable of heating, from below a supporting table (2), a workpiece (W) on the supporting table (2), and a pressing means (4) that presses the workpiece (W) to the supporting table (2) from above the workpiece; and the apparatus pinches the workpiece (W) between the supporting table (2) and the pressing means (4) at the time of heating the interconnector (I) by means of the main heating means (3). The apparatus is also characterized in that the supporting table is configured such that there is no non-permeable material in a region (2a), which is provided between the interconnector and the main heating means, and which has, at the center, a position where at least a solar cell
element (P) and the interconnector (I) are bonded together, said region having a width that is equal to or more than a width of a moving track of the main heating means (3) that heats the interconnector.
The present invention provides the apparatus and method for bonding together the interconnector and the solar cell
element, said apparatus and method making it possible to manufacture a solar cell
panel with excellent operation efficiency at high yield and low cost.
WO/2015/070295 APPARATUS AND METHOD FOR INCREASING THE EFFICIENCY OF PHOTOVOLTAIC SYSTEMS THROUGH EVAPORATION COOLING||WO||21.05.2015|
||PCT/BG2013/000051||MITEV, Gancho||MITEV, Gancho|
The invention refers to the field of photovoltaic
for direct transformation of solar
energy into electrical. The invention increases the efficiency of photovoltaic systems
the working temperature of the modules (1). Continuous cooling is achieved through evenly moisturising the heated surface of the photovoltaic
modules. A layer of felt or other textile (2) is used to transfer and evenly distribute the moisture over the entire surface of the module. They are either firmly pressed to the surface of the module by a net (3) or attached in an alternative way. Water is supplied to the layer of felt or other textile by a drop irrigation system
with a reservoir (4) and compensated irrigation emitters with a fixed outflow. It periodically adds the appropriate quantities of water for achieving permanent working temperature of the photovoltaic
WO/2015/073591 METAL FOIL METALLIZATION FOR BACKPLANE-ATTACHED SOLAR CELLS AND MODULES||WO||21.05.2015|
||PCT/US2014/065312||SOLEXEL, INC.||MOSLEHI, Mehrdad|
A back contact solar cell
is described which includes a semiconductor light absorbing layer; a first-level metal layer (Ml), the Ml 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 Ml layer, the backplane sheet comprising a plurality of via holes that expose portions of the Ml 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 Ml layer through the via holes in the backplane sheet.
WO/2015/071256 SEALANT COMPOSITION, SOLAR CELL MODULE SEALANT PREPARED BY HARDENING THE SAME, AND METHOD FOR PRODUCING SOLAR CELL MODULE USING THE SAME||WO||21.05.2015|
||PCT/EP2014/074263||BAYER MATERIALSCIENCE AG||MITOBE, Hisao|
[Problems] Provided is the use of a composition as a solar cell
module sealant which is superior in weather resistance, vibration resistance, and productivity. [Solution] A solar cell
module 5 is sealed with a sealant composition comprising a polyol component (component A) and at least either one of aliphatic and alicyclic isocyanates (component B), wherein 93 to 100 wt % of the component A is the following poly ether polyol (X): (X) a polyether polyol prepared by ring-opening addition polymerization of a compound having an average functionality of 2 to 4 and containing at least either one of hydroxyl and amino groups with an alkylene oxide.
WO/2015/071420 DEVICE AND METHOD FOR TESTING A CONCENTRATED PHOTOVOLTAIC MODULE||WO||21.05.2015|
||PCT/EP2014/074626||SOITEC SOLAR GMBH||GASTALDO, Philippe|
The invention relates to a device and method for testing a concentrated photovoltaic
module (1) comprising a plurality of submodules (10), which comprises: light sources (2); and parabolic mirrors (4) coupled with the sources (2) so as to reflect the light from each source (2) in quasi-collimated light beams towards the module to be tested, perpendicular to said module (1). Each light source (2) comprises: an optical system
comprising two parallel lenses (21, 22) on either side of a diaphragm (23); a lamp (24) on the optical axis (X) of said system
; a reflector (25) arranged on said axis, on the side opposite the optical system
(21, 22, 23) relative to the lamp (24), and translatably movable along said axis; and a housing (26) containing the optical system
(21, 22, 23), the lamp (24) and the reflector (25) and including an outlet opening (27) for the light beam on said axis.
WO/2015/073351 LIQUID FLUOROPOLYMER COATING COMPOSITION, FLUOROPOLYMER COATED FILM, AND PROCESS FOR FORMING THE SAME||WO||21.05.2015|
||PCT/US2014/064746||E. I. DU PONT DE NEMOURS AND COMPANY||AUMAN, Brian C.|
In a first aspect, a liquid fluoropolymer coating composition includes a fluoropolymer selected from the group consisting of homopolymers and copolymers of vinyl fluoride and homopolymers and copolymers of vinylidene fluoride, a pigment, a dispersing agent including a block acrylic compound or a graft acrylic compound, a viscosity reducing compound and solvent. In a second aspect, a process for forming a fluoropolymer coated film includes coating a polymeric substrate film with a liquid fluoropolymer coating composition, wherein the liquid fluoropolymer coating composition includes a fluoropolymer selected from homopolymers and copolymers of vinyl fluoride and homopolymers and copolymers of vinylidene fluoride, a pigment, a dispersing agent, a viscosity reducing compound, a mixed catalyst, solvent, a compatible cross-linkable adhesive polymer and a cross-linking agent. In a third aspect, a fluoropolymer coated film includes a polymeric substrate film and a fluoropolymer coating on the polymeric substrate film.
WO/2015/073415 METHOD FOR DELIVERING FLEXIBLE SOLAR CELLS INTO A ROLL-TO-ROLL MODULE ASSEMBLY PROCESS||WO||21.05.2015|
||PCT/US2014/064975||DOW GLOBAL TECHNOLOGIES LLC||TSAI, Szu-Ting|
Methods and systems
for forming and packaging a roll of photovoltaic
cells are provided. A string of photovoltaic
cells is incrementally formed such that the photovoltaic
cells in the string extend from a leading edge of the string, where incrementally forming the string comprises sequentially connecting successive photovoltaic
cells, and where sequentially connecting successive photovoltaic
cells comprises connecting each successive photovoltaic
cell to a respective, previously-connected photovoltaic
cell that is farthest from the leading edge. Bypass diodes are electrically connected to successive portions of the string as the string is being formed. The string is wound with the bypass diodes connected thereto into a roll by rotating the leading edge of the string about a take-up roller as the string is being formed. In response to the string reaching a second predetermined number of photovoltaic
cells, the roll is completed and packaged.
WO/2015/073586 SOLAR ENERGY COLLECTION SYSTEMS UTILIZING HOLOGRAPHIC OPTICAL ELEMENTS USEFUL FOR BUILDING INTEGRATED PHOTOVOLTAICS||WO||21.05.2015|
||PCT/US2014/065303||SIMAVORYAN, Sergey||SIMAVORYAN, Sergey|
Described herein are transparent solar
energy collection systems
that comprise at least one holographic optical element, a transparent waveguide concentrator, and at least one solar
WO/2015/072531 SOLAR POWER GENERATION MANAGEMENT DEVICE||WO||21.05.2015|
||PCT/JP2014/080142||EPSEL CO., LTD.||NASUNO Masumi|
power generation management device that manages a solar
power generation system
. The device is provided with: an output detector that detects each output current value or output voltage value for a plurality of unit power generation modules; and a calculator that receives detected information from the output detector and displays the information on a display (50). The calculator acquires the detected information from the output detector and simultaneously displays on the display a plurality of display frames (212) that correspond to the plurality of unit power generation modules. The calculator also sets, in accordance with the levels of the detected information, the color levels of the information displayed in the display frames (212). As a result, on the basis of the color levels inside the display frames of the display, the operating conditions of the plurality of unit power generation modules can be visually monitored, and solar
panel maintenance timing can be visually confirmed.