Guide Oxford PV Perovskite Solar Cells: Patents driving Solar Innovation
Innovations behind Oxford PV Perovskite Solar Cells. US10622409B2: Photovoltaic device. This patent describes a photovoltaic device that includes a photoactive region comprising a perovskite material with specific cation and anion compositions to enhance performance and stability . FIG. 1a illustrates schematically a single junction
Guide CN116921970A
Photovoltaic cells are typically connected using solder. Specifically, the battery realizes a welding procedure through an automatic series welding machine, in the welding process, an interconnection bar (a welding strip used for mutually connecting photovoltaic battery pieces together) is contacted with an electrode area of the battery through a positioning step, the
Guide US20120186623A1
A transparent photovoltaic cell and method of making are disclosed. The photovoltaic cell may include a transparent substrate and a first active material overlying the substrate. The first active material may have a first absorption peak at a wavelength greater than about 650 nanometers. A second active material is disposed overlying the substrate, the second active material having a
Guide Global Ranking of Solar Cell Patents (TOP 30)
By confining the keywords and classification numbers concerning solar cell technology, we sorted out the solar cell patents that were applied for and publicly disclosed globally from May 1, 2013 to April 30, 2023 (in
Guide Advances in solar photovoltaics: Technology review and patent
In what concerns the technological distribution, Fig. 5 b shows that 39% of the global patents belongs to solar cell technologies. The solar panels group forms the second largest group with the share of 27%, followed by testing techniques (21%), and electronics (6%).
Guide EP4145547A1
A perovskite solar cell having a stack of layers, wherein the layers are arranged in the following order: a front electrode layer 15, a photo-active layer 13 comprising a perovskite material, and a back electrode layer 11 comprising a porous carbon material having a plurality of open-through pores 111. The solar cell further comprises a charge transport material 12 that fills at least
Guide US6933436B2
A photovoltaic cell is described, having a photoactive layer ( 4 ) made of two molecular components, namely an electron donor and an electron acceptor, particularly a conjugated polymer component and a fullerene component, and having two metallic electrodes ( 2, 5 ) provided on both sides of the photoactive layer ( 4 ). In order to provide advantageous
Guide EP3223318A1
The present invention relates to a hetero junction photovoltaic cell and to a method of manufacturing same, the photovoltaic cell comprising a crystalline semiconductor substrate of an n-type or a p-type, an amorphous intrinsic semiconductor layer formed on the full back side of the semiconductor substrate, an first type doped semiconductor layer structure formed locally on
Guide Review Uncovering emerging photovoltaic technologies based on patent
The patents that stand out in this TR are: US20040200520A1 (Metal contact structure for solar cell and method of manufacture), US20050016585A1 (Manufacturing a solar cell with backside contacts), US20060130891A1 (Back-contact photovoltaic cells) and US20070186970A1 (Solar cell and method of fabricating the same).
Guide Solar cell
A solar cell, also known as a photovoltaic cell (PV cell), Hence, they can produce more electricity than conventional monofacial solar cells. The first patent of bifacial solar cells was filed by Japanese researcher Hiroshi Mori, in 1966. Later, it is said that Russia was the first to deploy bifacial solar cells in their space program
Guide A History Of The Solar Cell, In Patents
In 1941, Russell S Ohl at Bell Labs invented the first silicon solar cell, securing US patent no 2,402,662 on his invention. In the ''662 patent, Ohl described a process of forming a silicon ingot using silicon of a high degree of purity, ideally around 99.85%. He formed the ingot by fusing metallic silicon in powdered form in a silica crucible
Guide Solar-cell efficiency enhancement using metasurfaces
A thin film solar cell has a high light absorption rate in the visible light region compared to the crystalline solar cell. Therefore, for solar cells, it is important to effectively absorb solar energy emitted from the sun, and to increase efficiency of the solar cell absorbing and using the solar energy from the sun.
Guide Perovskite Patent Portfolio | Photovoltaic Research
NREL''s perovskite patent portfolio focuses on eight technology areas that are critical to the development of a commercial perovskite solar cell device. These patents reflect perovskite device development from an applied perspective,
Guide Review Uncovering emerging photovoltaic technologies based on
The technological knowledge basis of this route is constituted by patents on solar cells with an integrated diode and bypass method, passing through photovoltaic panels with
Guide The photovoltaic patent war is heating up! Jinko sued LONGi for patent
The battle for photovoltaic patents is intensifying. The Paper learned that JinkoSolar (688223. SH) has recently sued LONGi Green Energy (601012.SH) in the Nanchang Intermediate People''s Court, demanding that LONGi Green Energy immediately stop infringing the relevant invention patent rights and compensate for economic losses, and the case has been
Guide Tubular solar cell
Justia Patents U.S. Patent for Tubular solar cell Patent (Patent # 3,990,914) Tubular solar cell . Sep 3, 1974 - Sensor Technology, Inc. High efficiency, low cost solar energy conversion is facilitated by using tubular photovoltaic solar cells situated at the focus of a line-generated paraboloidal reflector. Advantageously, each solar cell
Guide US3411952A
The described solar cell panel eliminates the breakage problems resulting from the saw-tooth profile of shingled solar cells and has the advantages of rigid uniform mounting, ease of panel...
Guide Photovoltaic technologies: Mapping from patent analysis
The objective of this article is to identify the technological development of photovoltaic cells by the analysis of patents. The Derwent Innovations Index (DII) database of Thomson Derwent was
Guide Future Prospects of Photovoltaic Technology from a Patent
An article by Mahmood H. Shubbak in 2019 shows that 39% of the global patents belong to solar cell technologies. The solar panels group forms the second largest group with a share of 27%, followed
Guide Tandem Photovoltaic Cell Structure
A tandem photovoltaic (PV) may include III-V semiconductors, silicon, a cathode electrode, an anode electrode, and a gold-to-gold metal bridge electrode. The semiconductors include p-typed and n-typed regions. To form a tandem PV structure, bottom and top PV cells can be independently fabricated. The bottom and the top PV cells are electrically connected by the
Guide WO2019066723A1
Disclosed is a PV cell used specifically in a shingled PV module, wherein the PV cell is with profiled busbars on the front and/or rear surfaces. As compared to a conventional PV cell with flat or non-profiled busbars, the PV cell in the present invention has busbars which are profiled with opposing structures, namely height protrusions and cavities, such that it fits and hold onto each
Guide CN104539224A
The invention relates to a thermo-photovoltaic cell. The thermo-photovoltaic cell is composed of a cell box 1, a graphite positive electrode 3, a high thermal expansion coefficient metal negative electrode 4, a vent hole 5 in the upper portion of the cell box, a lead 6 of the positive electrode 3, a lead 7 of the negative electrode and a thermal-photovoltaic source collecting area 8, wherein
Guide Photovoltaic technologies: Mapping from patent analysis
There is also a prominence of patents deposited for polymer-based photovoltaic cell technologies, carbon nanostructures, III-V compounds, cadmium telluride and amorphous silicon cells.
Guide Solar cell and method of manufacture
A solar cell that is readily manufactured using processing techniques which are less expensive than microelectronic circuit processing. In preferred embodiments, printing techniques are utilized in selectively forming masks for use in etching of silicon oxide and diffusing dopants and in forming metal contacts to diffused regions. In a preferred embodiment, p-doped regions and n
Guide US6329589B1
According to the invention there is provided a solar panel arrangement in a window pane comprising a number of solar cells and an electrical circuit permanently connected electrically
Guide Photovoltaic technologies: Mapping from patent analysis
Downloadable (with restrictions)! The objective of this article is to identify the technological development of photovoltaic cells by the analysis of patents. The Derwent Innovations Index (DII) database of Thomson Derwent was used for this research. 22,682 patents were obtained. The results indicate that 1) the number of patents deposited on photovoltaic cells grows every year,
Guide Fabrication process for photovoltaic cell
A photovoltaic strip is physically separated from a semiconductor wafer utilizing physical sawing or other techniques. In accordance with one embodiment, a type of semiconductor wafer is first determined by interrogating the wafer to identify one or more of its optical, thermal, or electrical characteristics. This information regarding substrate type is then
Guide Maxeon Solar Technologies Expands Patent Dispute Against Aiko
The patent infringement claims concern Maxeon''s European Patent No. EP2297788B1 ("Back-contacted solar cells with doped polysilicon regions separated via trench structures and fabrication process therefor"). This patent relates to proprietary and fundamental solar cell architectures for rear or back contact solar cells, also known as All
Guide US6075203A
Photovoltaic cells are devices which convert radiant photon energy directly into electrical energy and are commonly used today in small electronic devices such as calculators and watches. These cells are manufactured in a variety of configurations, but generally comprise a layered structure on a substrate. Conventionally, a transparent electrically conductive material (known as an
Guide US6329589B1
Solar cell window fitting US5228925A (en) * 1991-12-23: 1993-07-20: United Solar Systems Corporation: Photovoltaic window assembly US5898585A (en) * 1997-05-29: 1999-04-27: Premier Global Corporation, Ltd. Apparatus and method for providing supplemental alternating current from a solar cell array
Guide Solar Cell Efficiency Tables (Version 65)
Funding: This study was supported by the Australian Renewable Energy Agency, Grant/Award Number: SRI-001; U.S. Department of Energy (Office of Science, Office of Basic Energy Sciences and Energy Efficiency and Renewable Energy, Solar Energy Technology Program), Grant/Award Number: DE-AC36-08-GO28308; and Ministry of Economy, Trade and
Guide Photovoltaic technologies: Mapping from patent analysis
The results indicate that 1) the number of patents deposited on photovoltaic cells grows every year, 2) the main depositor countries are the United States, China, Japan, Germany and South Korea, 3
Guide Photovoltaic Thin Film Cells
figure 28 - segmentation of thin film photovoltaic cells patents portfolio 49 figure 29 - segmentation of photovoltaic thin film cell patent portfolios over time 50 l list of figures . 8 8 photovoltaic thin film cells - 2009 figure 30 - topics of the major players 51 figure 31 - breakdown of the main ipc codes appearing in patent
Guide US20100186802A1
A HIT cell structure or polysilicon emitter solar cell structure is then formed over the patterned oxide, creating the cell junction only in the areas where holes have been cut. 2009-01-27 Priority to US12/360,797 priority Critical patent/US20100186802A1/en 2009-01-27 Assigned to APPLIED MATERIALS, INC. reassignment APPLIED MATERIALS, INC
6 Frequently Asked Questions about “Photovoltaic cell patents”
What are the patents on photovoltaic cells?
The patents on photovoltaic cells are concentrated in the area of semiconductors for the conversion of solar radiation into electric energy, in the area of generators for the direct conversion of light energy into electric energy and in the area of solar panels adapted for roof structures.
What are the patents for solar cells?
The patents that stand out in this TR are: US20040200520A1 (Metal contact structure for solar cell and method of manufacture), US20050016585A1 (Manufacturing a solar cell with backside contacts), US20060130891A1 (Back-contact photovoltaic cells) and US20070186970A1 (Solar cell and method of fabricating the same).
Are photovoltaic cells a technological development?
There is a prominence of deposited patents for polymer-based photovoltaic cell technologies, carbon nanostructures, III-V compounds, CdTe and amorphous silicon cells. The objective of this article is to identify the technological development of photovoltaic cells by the analysis of patents.
What is the technological knowledge basis of photovoltaic-thermal system?
The technological knowledge basis of this route is constituted by patents on solar cells with an integrated diode and bypass method, passing through photovoltaic panels with individually articulated concentrating elements and patents on receivers for concentration of photovoltaic-thermal systems. 5.2.4.
What are perovskite solar cell patents?
These patents comprise new perovskite solar cell device designs, such as interdigitated back-contact perovskite solar cell devices, that capitalize on the unique properties of the perovskite layer to create low-cost devices with improved efficiency and reliability.
How has photovoltaic technology developed over the last 30 years?
Photovoltaic technology has developed rapidly over the last thirty years. The main activities of photovoltaic patents began in the late 1950s and the main photovoltaic patent assignees at that time were involved in the space business, . Patent data has been widely used in technology assessment and forecasting, , , .