Patents Examined by Austin Murata
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Patent number: 11974443Abstract: Disclosed is a fabrication method for constructing low-cost, morphologically stable, highly ordered, and crystalized layered organic solar cells. The method implements self-assembled molecular monolayers as building blocks (a bottom up strategy) to fabricate a device. This approach enables the creation of a layered material with desired morphology in a controlled way. In such geometry, optoelectronic and transport properties can be controlled by metal atom inclusions into the molecular monolayers, which presents a range of options in creating photo-sensitive molecular building blocks to cover a wide range of the solar spectra from IR to visible to UV.Type: GrantFiled: July 7, 2020Date of Patent: April 30, 2024Assignee: QATAR FOUNDATION FOR EDUCATION, SCIENCE AND COMMUNITY DEVELOPMENTInventors: Hicham Hamoudi, Golibjon Berdiyorov
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Patent number: 11968787Abstract: A method of forming a transparent electrically conductive film including depositing a dispersion of metal nanowires onto a substrate surface, delivering a solution including a fusing agent in a solvent onto the substrate surface, and drying the substrate surface after depositing the metal nanowires and delivering the fusing agent solution to fuse at least some of the metal nanowires into the transparent electrically conductive film comprising a fused metal nanowire network.Type: GrantFiled: June 26, 2018Date of Patent: April 23, 2024Assignee: C3 Nano, Inc.Inventors: Ajay Virkar, Ying-Syi Li, Melburne C. LeMieux
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Patent number: 11966066Abstract: Systems and methods are provided for delivering material compositions comprising particularly-formed multi-layer micron-sized particles that are substantially transparent, yet that exhibit selectable coloration based on their physical properties suspended in substantially transparent matrix or binder materials to facilitate delivery onto substrates, particularly aerosol or aspirated delivery. The disclosed physical properties of the particles are controllably selectable refractive indices to provide an opaque-appearing energy transmissive material when pluralities of the particles are suspended in the substantially transparent matrix material. The multiply-layered (up to 30+ constituent layers) particles result in an overall particle diameter of less than 5 microns, substantially equivalent to paint pigment particles.Type: GrantFiled: January 25, 2017Date of Patent: April 23, 2024Assignee: Face International CorporationInventors: Clark D Boyd, Bradbury R Face, Jeffrey D Shepard
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Patent number: 11946133Abstract: A production method for a glass roll includes a start preparation step (S1) of feeding-out a first lead film (LF1) coupled to a starting end portion (GFa) of a first glass film (GF1) from an unwinding device (3) and allowing a winding device (8) to wind the first lead film (LF1 after passing of the first lead film (LF1) through a thermal film-forming device (4),). The start preparation step (S1) includes a temperature increasing step of causing the thermal film-forming device (4) to be increased in temperature to a film-forming temperature. The first glass film (GF1) reaches the thermal film-forming device (4) before the thermal film-forming device (4) is increased in temperature to the film-forming temperature.Type: GrantFiled: May 22, 2020Date of Patent: April 2, 2024Assignee: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Hiroki Mori, Takayoshi Saito, Naotoshi Inayama, Riku Yamashiro
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Patent number: 11926716Abstract: The present invention provides multifunctional particulates that release one or more functional compounds in response to environmental triggers and whose external surface modification imparts secondary functionalities to a selected coating composition. For example, disclosed are hydrophobic particles having a smart release mechanism for anticorrosion compounds that release the anticorrosion compounds upon exposure to the local pH changes induced by corrosion processes. Formulations are disclosed for multifunctional smart particles having antimicrobial effects and protections as well.Type: GrantFiled: February 10, 2021Date of Patent: March 12, 2024Assignee: SynMatter LLCInventors: Xuenjun Zhang, Benjamin Pearman
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Patent number: 11916200Abstract: The disclosure herein relates to rechargeable batteries and solid electrolytes therefore which include lithium-stuffed garnet oxides, for example, in a thin film, pellet, or monolith format wherein the density of defects at a surface or surfaces of the solid electrolyte is less than the density of defects in the bulk. In certain disclosed embodiments, the solid-state anolyte, electrolyte, and catholyte thin films, separators, and monoliths consist essentially of an oxide that conducts Li+ ions. In some examples, the disclosure herein presents new and useful solid electrolytes for solid-state or partially solid-state batteries. In some examples, the disclosure presents new lithium-stuffed garnet solid electrolytes and rechargeable batteries which include these electrolytes as separators between a cathode and a lithium metal anode.Type: GrantFiled: October 19, 2017Date of Patent: February 27, 2024Inventors: David Cao, Cheng-Chieh Chao, Zhebo Chen, Lei Cheng, Niall Donnelly, Wes Hermann, Tim Holme, Tommy Huang, Kian Kerman, Yang Li, Harsh Maheshwari
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Patent number: 11888102Abstract: In a method of manufacturing a cathode active material for a lithium secondary battery, a preliminary lithium metal oxide particle is prepared. The preliminary lithium metal oxide particle is cleaned using a boron compound cleaning solution. A cathode active material for a lithium secondary particle includes a lithium metal oxide particle where a ratio of a B+ peak intensity relative to a sum of peak intensities of Li+, B+ and LiB+ fragments by a TOF-SIMS analysis is in a range from 0.03% to 1.5%.Type: GrantFiled: September 8, 2020Date of Patent: January 30, 2024Assignee: SK On Co., Ltd.Inventors: Sang Bok Kim, Ji Hoon Choi, Jik Soo Kim, Mi Jung Noh, Dong Il Jang, Dong Wook Ha
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Patent number: 11888151Abstract: The present invention relates to a method of preparing a positive electrode which includes forming a solid electrolyte by mixing a lithium salt and a polymer for a solid electrolyte in a dry atmosphere, forming a dry mixture by stirring after adding a conductive agent and a positive electrode active material to the solid electrolyte in a dry atmosphere, and pressing after coating a current collector with the dry mixture.Type: GrantFiled: March 14, 2019Date of Patent: January 30, 2024Inventors: Chang Wan Koo, Ki Tae Kim, Sang Hoon Choy
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Patent number: 11888144Abstract: A method of manufacturing an electrochemical cell includes transferring an anode semi-solid suspension to an anode compartment defined at least in part by an anode current collector and an separator spaced apart from the anode collector. The method also includes transferring a cathode semi-solid suspension to a cathode compartment defined at least in part by a cathode current collector and the separator spaced apart from the cathode collector. The transferring of the anode semi-solid suspension to the anode compartment and the cathode semi-solid to the cathode compartment is such that a difference between a minimum distance and a maximum distance between the anode current collector and the separator is maintained within a predetermined tolerance. The method includes sealing the anode compartment and the cathode compartment.Type: GrantFiled: March 1, 2022Date of Patent: January 30, 2024Assignee: 24M Technologies, Inc.Inventors: Alexander H. Slocum, Tristan Doherty, Ricardo Bazzarella, James C. Cross, III, Pimpa Limthongkul, Mihai Duduta, Jeffry Disko, Allen Yang, Throop Wilder, William Craig Carter, Yet-Ming Chiang
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Patent number: 11876213Abstract: A method of making an electrode material for an electrode in an electrochemical cell that cycles lithium ions is provided, where a protective coating is applied to an electrode precursor material. The electrode precursor may be a silicon-containing composition. The protective coating is selected from the group consisting of: an oxide-based coating, a fluoride-based coating, and a nitride-based coating. The method also includes lithiating the electrode precursor material in a continuous process. The continuous process is conducted in a reactor having a first reaction chamber and a second reaction chamber to form a lithiated electrode material comprising the protective coating.Type: GrantFiled: January 24, 2020Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xingcheng Xiao, Xingyi Yang, Raghunathan K, Mark W. Verbrugge
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Patent number: 11876208Abstract: The present invention is directed to battery technologies and processing techniques thereof. In various embodiments, ceramic electrolyte powder material (or component thereof) is mixed with two or more flux to form a fluxed powder material. The fluxed powder material is shaped and heated again at a temperature less than 1100° C. to form a dense lithium conducting material. There are other variations and embodiments as well.Type: GrantFiled: September 10, 2021Date of Patent: January 16, 2024Assignee: QuantumScape Battery, Inc.Inventors: Niall Donnelly, Timothy Holme
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Patent number: 11862782Abstract: The present invention relates to electrode slurry coating apparatus and method, the present invention ultimately allowing the process efficiency to be increased and rate of errors to be reduced when double-layer structured active material layers are formed by temporally adjusting the height of first and second discharge outlets through which active material is discharged.Type: GrantFiled: September 16, 2020Date of Patent: January 2, 2024Inventors: Taek Soo Lee, Young Joon Jo, Sang Hoon Choy, Ki Tae Kim, Ji Hee Yoon, Cheol Woo Kim
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Patent number: 11856709Abstract: The invention relates to a process of fabricating a beaded path on the surface of a substrate, the process comprising: preparing a dispersion of particles in a liquid; supplying the prepared dispersion to at least one electrically conductive microcapillary in a continuous manner; forming and maintaining a convex meniscus of the dispersion at the outlet end of the microcapillary positioned above and/or below the surface of a substrate; applying alternating voltage to the microcapillary so that a beaded structure is formed between the dispersion meniscus and the surface of the substrate; and moving the microcapillary relative to the substrate and/or the substrate relative to the microcapillary so as to deposit the particles of the formed beaded structure on the surface of the substrate and simultaneously rebuild the beaded structure formed between the dispersion meniscus and the surface of a substrate.Type: GrantFiled: August 1, 2019Date of Patent: December 26, 2023Assignee: AGNIESZKA MAGDZIARZ CADENASInventors: Zbigniew Rozynek, Agnieszka Magdziarz
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Patent number: 11855275Abstract: A method for preparing a cathode based on an aqueous slurry is provided. The cathode slurry with improved stability in water comprises a cathode active material, especially a nickel-containing cathode active material. Treatment of nickel-containing cathode active materials with lithium compounds may improve stability of the cathode by preventing undesirable decomposition of the material. In addition, battery cells comprising the cathode prepared by the method disclosed herein exhibit impressive electrochemical performances.Type: GrantFiled: May 22, 2020Date of Patent: December 26, 2023Assignee: GRST International LimitedInventors: Kam Piu Ho, Yingkai Jiang
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Patent number: 11843104Abstract: A method for manufacturing a negative electrode for a lithium secondary battery including a patterned lithium metal that homogenizes the electron distribution in the lithium electrode and prevents the growth of the lithium dendrites when driving the lithium secondary battery.Type: GrantFiled: April 26, 2018Date of Patent: December 12, 2023Assignee: LG ENERGY SOLUTION, LTD.Inventors: Ohbyong Chae, Yoonah Kang, Junhyuk Song, Eun Kyung Kim, Sangwook Woo
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Patent number: 11840010Abstract: A pattern forming method of forming, with a mold, a pattern on a substrate held by a substrate holding unit capable of changing a holding force for each holding region includes setting, with a plurality of shot regions corresponding to a first holding region as a target for pattern formation, a first holding force in the first holding region smaller than a second holding force in a second holding region different from the first holding region, coating, with an imprint material, a region including the plurality of shot regions corresponding to the first holding region, and forming the pattern on the substrate by bringing the imprint material, with which the plurality of shot regions corresponding to the first holding region is coated, and the mold in contact with each other.Type: GrantFiled: June 17, 2021Date of Patent: December 12, 2023Assignee: Canon Kabushiki KaishaInventor: Ryohei Suzuki
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Patent number: 11837713Abstract: A preparation method of a cathode material for a secondary battery is provided. First, a lithium metal phosphate material and a first conductive carbon are provided. The lithium metal phosphate material is made of a plurality of secondary particles. Each of the secondary particles is formed by the aggregation of a plurality of primary particles. An interparticle space is formed between the plurality of primary particles. Next, the lithium metal phosphate material and the first conductive carbon are mixed by a mechanical method, and a composite material is prepared. The first conductive carbon is uniformly arranged in the interparticle space. After that, a second conductive carbon, a binder and a solvent are provided. Finally, the composite material, the second conductive carbon, the binder and the solvent are mixed, and a cathode material for preparing a positive plate is prepared.Type: GrantFiled: August 26, 2021Date of Patent: December 5, 2023Assignee: ADVANCED LITHIUM ELECTROCHEMISTRY CO., LTD.Inventors: Chen-Yi Huang, Han-Wei Hsieh, Yuan-Kai Lin, Chueh-Han Wang
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Patent number: 11817581Abstract: To produce a silicon oxide-based negative electrode material containing Li and having uniform distribution of a Li concentration both inside particles and between particles although a C-coating film is formed on a surface, and yet in which generation of SiC is suppressed. A SiO gas and a Li gas are simultaneously generated by heating a Si-lithium silicate-containing raw material under reduced pressure. The Si-lithium silicate-containing raw material includes Si, Li, and O, in which a part of the Si is present as a Si simple substance and the Li is present as lithium silicate. By cooling the generated gases, Li-containing silicon oxide having an average composition of SiLixOy (0.05<x<y and 0.5<y<1.5 are satisfied) is prepared. After adjusting the particle size, a C-coating film having an average film thickness of 0.5 to 10 nm is formed on a surface of particles at a treatment temperature of 900° C. or less.Type: GrantFiled: July 13, 2022Date of Patent: November 14, 2023Assignee: OSAKA Titanium technologies Co., Ltd.Inventor: Yusuke Kashitani
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Patent number: 11811065Abstract: Provided is a method of producing a slurry composition for a secondary battery positive electrode containing an organic solvent, a specific polymer, and a positive electrode active material satisfying a specific chemical composition. The specific polymer includes a nitrile group-containing monomer unit and a linear alkylene structural unit having a carbon number of 4 or more. The pH of an extract of the specific polymer that is obtained by a specific method is not lower than 3.5 and lower than 6.0. The positive electrode active material is an active material having a high nickel content ratio.Type: GrantFiled: May 19, 2020Date of Patent: November 7, 2023Assignee: ZEON CORPORATIONInventors: Shinsuke Sugawara, Naoki Takahashi
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Patent number: 11811043Abstract: The present disclosure may obtain an electrode for an all-solid-state battery with low porosity by adjusting the concentration of an electrode active material layer-forming slurry and a solid electrolyte layer-forming slurry. The all-solid-state battery uses a solid electrolyte material, not a liquid electrolyte material, and thus it needs to have a close contact between the constituent materials of the battery such as an electrode active material and a solid electrolyte material, and when the manufacturing method according to the present disclosure is applied, the electrode active material layer is filled with the solid electrolyte material, bringing the components into close contact, thereby improving the interfacial resistance characteristics.Type: GrantFiled: May 15, 2020Date of Patent: November 7, 2023Inventors: Hye-Ri Jung, Lak-Young Choi, Hyea-Eun Han