Patents Examined by Jonathan Crepeau
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Patent number: 11978936Abstract: A method for making an improved fuel cell using a porosity gradient design for gas diffusion layers in a hydrogen fuel cell, a gas diffusion layer made by the method and a fuel cell containing the gas diffusion layer.Type: GrantFiled: May 2, 2023Date of Patent: May 7, 2024Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventor: Jamal Hussain Al-Smail
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Patent number: 11973254Abstract: An electrochemical cell and battery system including cells, each cell including a catholyte, an anolyte, and a separator disposed between the catholyte and anolyte and that is permeable to the at least one ionic species (for example, a metal cation or the hydroxide ion). The catholyte solution includes a ferricyanide, permanganate, manganate, sulfur, and/or polysulfide compound, and the anolyte includes a sulfide and/or polysulfide compound. These electrochemical couples may be embodied in various physical architectures, including static (non-flowing) architectures or in flow battery (flowing) architectures.Type: GrantFiled: June 28, 2019Date of Patent: April 30, 2024Assignee: FORM ENERGY, INC.Inventors: Liang Su, Wei Xie, Yet-Ming Chiang, William Henry Woodford, Lucas Cohen, Jessa Silver, Katelyn Ripley, Eric Weber, Marco Ferrara, Mateo Cristian Jaramillo, Theodore Alan Wiley
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Patent number: 11973237Abstract: A battery pack is configured to be coupled to a power tool. The battery pack includes a housing having a cavity. The battery pack includes a battery cell carrier having first and second carriages. The first and second carriages support a plurality of battery cells therebetween. The battery cell carrier is configurable in different configurations based on a size of the plurality of battery cells supported between the first and second carriages. The battery pack includes a plurality of mounting features between the housing and the battery cell carrier. The plurality of mounting features is configured to alternatively secure the different configurations of the battery cell carrier to the housing.Type: GrantFiled: February 24, 2021Date of Patent: April 30, 2024Assignee: Milwaukee Electric Tool CorporationInventors: Matthew J. Peña, Cameron R. Schulz
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Patent number: 11961958Abstract: A composition includes an electrode made of Lithium Manganese Oxyfluoride (LMOF). A single layer separator adheres to a surface of the electrode, is a dielectric that is conductive for Lithium ions but not electrons, and has top and bottom sides. A solid polymer electrolyte (SPE) saturates the electrode so that the LMOF is between 55 percent and 85 percent by mass of a composition of the LMOF electrode and the SPE is between 7.5 percent and 20 percent by mass of the composition of the LMOF electrode. The SPE saturates the separator so that the SPE resides both on the separator top and bottom sides so that the SPE residing on the separator top side contacts the surface. The LMOF exhibits X-Ray Diffraction spectrum peaks between twenty-two and twenty-four 2-theta degrees, between forty-eight and fifty 2-theta degrees, between fifty-four and fifty-six 2-theta degrees, and between fifty-six and fifty-eight 2-theta degrees.Type: GrantFiled: June 13, 2019Date of Patent: April 16, 2024Assignee: International Business Machines CorporationInventors: John Collins, Bucknell C. Webb, Paul S. Andry, Teodor Krassimirov Todorov, Devendra K. Sadana
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Patent number: 11961962Abstract: A solid ion conductor compound including Li, Ho, and a halogen element, wherein the compound has diffraction peaks at 30°2? to 33°2?, 33°2? to 36°2?, 40°2? to 44°2?, and 48°2? to 52°28?, when analyzed using CuK? radiation, and wherein a full width at half maximum of at least one peak at 40°2? to 44°2? is 0.3°2? or greater.Type: GrantFiled: March 23, 2021Date of Patent: April 16, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Wonsung Choi, Gabin Yoon, Tomoyuki Tsujimura, Toshinori Sugimoto
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Patent number: 11955678Abstract: Methods to improve redox flow battery performance with improved CE, reduced electrolyte solution crossover, and simplified solution refreshing process have been developed. The methods include controlling the pre-charging degree and conditions to allow high quality metal plating (ductile and uniform), for example, Fe(O), on the negative electrode. Control of the pre-charging conditions can be combined with increasing the concentration of metal ions compared to existing systems, while maintaining the same concentration in both the negative and positive electrolytes, or increasing the concentration of metal ions in the negative electrolyte so that the negative electrolyte has a higher concentration of metal ions than the positive electrolyte.Type: GrantFiled: September 14, 2021Date of Patent: April 9, 2024Assignee: UOP LLCInventors: Chunqing Liu, Chaoyi Ba, Xueliang Dong
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Patent number: 11929484Abstract: Disclosed in the present application is a compound, comprising nano silicon, a lithium-containing compound and a carbon coating, or comprising nano silicon, silicon oxide, a lithium-containing compound, and a carbon coating. The method comprises: (1) solid-phase mixing of carbon coated silicon oxide with a lithium source; and (2) preforming heat-treatment of the pre-lithium precursor obtained in step (1) in a vacuum or non-oxidising atmosphere to obtain a compound. The method is simple, and has low equipment requirements and low costs; the obtained compound has a stable structure and the structure and properties do not deteriorate during long-term storage, a battery made of cathode material containing said compound exhibits high delithiation capacity, high initial coulombic efficiency, and good recycling properties, the charging capacity is over 1920 mAh/g, the discharging capacity is over 1768 mAh/g, and the initial capacity is over 90.2%.Type: GrantFiled: February 27, 2018Date of Patent: March 12, 2024Assignee: BTR NEW MATERIAL GROUP CO., LTD.Inventors: Chunlei Pang, Lijuan Qu, Jianguo Ren, Min Yue
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Patent number: 11923549Abstract: An adhesive layer is placed in a region outside an outer peripheral edge part of a second catalyst layer, on a second surface of an electrolyte membrane. A support frame is placed via the adhesive layer such that the second catalyst layer and a second gas diffusion layer are placed inside an opening of the support frame. A specific region as a region between the outer peripheral edge part of the second catalyst layer and an inner peripheral edge part of the opening of the support frame is present. A predetermined material is placed inside a recessed portion present on a surface of the adhesive layer inside the specific region, the predetermined material containing at least one of a first substance having an action of decomposing hydrogen peroxide and a second substance having an action of decomposing hydroxyl radicals.Type: GrantFiled: December 5, 2021Date of Patent: March 5, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Atsushi Yamamoto
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Patent number: 11923550Abstract: The preset disclosure provides a catalyst layer that has a small contact resistance with a gas diffusion layer and excellent gas diffusion properties. The catalyst layer for a fuel cell has a uniform thickness and includes fibrous conductive members and catalyst particles. The fibrous conductive members are inclined relative to a surface direction of the catalyst layer, and a lengthwise direction of the fibrous conductive members, on average, matches a first direction.Type: GrantFiled: December 26, 2018Date of Patent: March 5, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takeshi Minamiura, Hitoshi Ishimoto, Shinichiro Imura, Kazuya Yamasaki, Yukihiro Shimasaki
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Patent number: 11916212Abstract: A battery module includes a cell stack in which a plurality of unit cells including terminal parts are aligned in a first direction and an insulating member surrounds the plurality of unit cells; and a module housing in which a plurality of receiving parts, into each of which the cell stack is configured to be inserted, are provided and are aligned in a first direction and a second direction perpendicular to the first direction, wherein each of the plurality of receiving parts includes a fixing wall around the cell stack and having at least a portion which is in contact with the cell stack. The cell stacks adjacent to each other in the second direction are electrically connected to each other, and the cell stacks adjacent to each other in the first direction are electrically disconnected from each other, when not connected to an end module.Type: GrantFiled: March 15, 2023Date of Patent: February 27, 2024Assignee: Samsung SDI Co., Ltd.Inventors: Dooyong Lim, Sungyong Kim, Jaeho Kim, Soodeok Moon, Daeyeop Park, Jangwoong Bae, Junhyung Lee, Jisoon Lim, Eungi Heo
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Patent number: 11909052Abstract: A method and apparatus are described for forming a multilayer assembly. The method includes adhering first and second catalyst layers to opposed sides of a polymer membrane. At least one of the first catalyst layer, the second catalyst layer, and the polymer membrane is formed by filament extension atomization of a fluid material to form atomized droplets that are sprayed to form the respective membrane or layer.Type: GrantFiled: June 30, 2021Date of Patent: February 20, 2024Assignee: XEROX CORPORATIONInventors: Elif Karatay, Kathryn F. Murphy
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Patent number: 11901527Abstract: A battery pack includes a housing, at least one battery cell enclosed within the housing, a printed circuit board (PCBA) enclosed within the housing, a gauge electrically connected to the PCBA and including at least one light, and an actuator that, when actuated, activates the gauge to illuminate the at least one light to indicate a charge level of the at least one battery cell. The housing has a main body and a handle extending from the main body, and the handle defines an aperture sized and shaped to receive one or more of a user's fingers therein. The gauge is located on an outer surface of the handle.Type: GrantFiled: July 14, 2021Date of Patent: February 13, 2024Assignee: Emerson Electric Co.Inventors: Glen R. Chartier, Seth B. Bullock, Billy Odon M. Yrad, Alex J. Wall, Tony Le, Scott Kruepke
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Patent number: 11898257Abstract: An electrode for electrochemical applications is coated with a layer of a-C, wherein the layer of a-C comprises at least 10 each of first and second sub-layers, being—(i) first sub-layers having high conductivity with a sp2 content of 60-95%, alternating with—(ii) second sub-layers having high corrosion resistance with a sp2 content of 50-90%, wherein the sp2 content of the first sub-layers is at least 3% greater than the sp2 content of the second sub-layers. A method of making such electrodes comprises: —a) depositing a first sub-layer comprising a-C, —b) depositing a second sub-layer comprising a-C wherein the sp2 content of the first sub-layer is at least 3% greater than the sp2 content of the second sub-layer, and—c) repeating the steps above to deposit at least 10 first sub-layers alternating with 10 second sub-layers, so as to produce the electrodes.Type: GrantFiled: January 20, 2023Date of Patent: February 13, 2024Assignee: Nanofilm Technologies International LimitedInventors: Zhi Tang, Ting Wang, Xu Shi
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Patent number: 11894538Abstract: A fuel cell-battery system includes: a battery module including a battery that stores electric power and a coolant line through which coolant circulates to cool the battery; a fuel cell module including a hydrogen tank that stores hydrogen, a fuel cell that produces the electric power using the hydrogen, and a hydrogen line that connects the hydrogen tank and the fuel cell to deliver the hydrogen from the hydrogen tank to the fuel cell; and a heat exchange module through which the coolant line and the hydrogen line pass such that the coolant is cooled by heat exchange with the hydrogen and the hydrogen is heated by heat exchange with the coolant.Type: GrantFiled: April 23, 2021Date of Patent: February 6, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventor: Woo Jung Kwon
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Patent number: 11894570Abstract: A load applicator includes an elastic mechanism, a first member configured to move in accordance with contraction of power storage cells, a second member provided on a side opposite to the first member across the elastic mechanism, and a switching device. The elastic mechanism has a first form in which a first restraint load is applied to the power storage module when the power storage module expands by a first dimension, and a second form in which a second restraint load larger than the first restraint load is applied to the power storage module when the power storage module expands by the first dimension. The switching device performs an operation to switch from the first form to the second form in a case where a restraint load smaller than the first restraint load is applied to the power storage module when the power storage module expands by the first dimension.Type: GrantFiled: January 20, 2022Date of Patent: February 6, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shotaro Ishikawa, Tatsuhiko Sasaki, Koichiro Kishi, Kenta Watanabe
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Patent number: 11894591Abstract: Electrochemical cells and batteries that can operate with a single electrolyte solution, such as those comprising an anode, a cathode current collector, and a porous, non-conductive spacer between the cathode current collector and anode. Membraneless electrochemical cells and batteries are also disclosed. The electrochemical cells and batteries disclosed herein may be used, for example, to produce electricity or to generate hydrogen or both, and to deliver electricity or hydrogen or both to process applications.Type: GrantFiled: August 15, 2022Date of Patent: February 6, 2024Assignee: IFBattery Inc.Inventor: John H. Cushman
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Patent number: 11888167Abstract: According to various aspects of the present disclosure, a catalyst for rechargeable energy storage devices having a first transition metal and a second transition metal, wherein the first and second transition metals are formed on carbon nanotubes, the carbon nanotubes are doped with nitrogen and phosphorous, wherein the carbon nanotubes have edges and interlayer spaces and are axially aligned, and the first and second transition metals form bimetal centers, wherein the bimetal centers may be uniformly distributed catalytic active sites located at the edges or the interlayer spaces of the carbon nanotubes providing intercalated layers. The present FeCo—NPCNTs are a morphology-dependent catalyst that provides effective performance for bifunctional oxygen reduction reaction and oxygen evolution reaction in metal-air-cells and fuel cells.Type: GrantFiled: August 3, 2021Date of Patent: January 30, 2024Assignee: Nanyang Technological UniversityInventors: Xiaoyi Cai, Zexiang Shen, Linfei Lai
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Patent number: 11888166Abstract: A gas diffusion layer, a preparation method therefor, a membrane electrode assembly and a fuel cell. The gas diffusion layer comprises gas diffusion layer substrates (41, 42) and a microporous layer slurry coated on the gas diffusion layer substrates (41, 42). An additive that contains catechol or contains a catechol structure compound is specifically added into the microporous layer slurry, and the additive is specifically dopamine hydrochloride.Type: GrantFiled: December 28, 2020Date of Patent: January 30, 2024Assignee: SHANGHAI JAZZ NEW MATERIAL TECHNOLOGY CO., LTD.Inventor: Xinghan Shen
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Patent number: 11881598Abstract: A module for interconnecting electrical components such as batteries, fuel cells, capacitors, and resistors. The module has a body for retaining the electrical components, and terminal bulkheads capable of coupling with the body. The terminal bulkheads have cavities that define fluid reservoirs when the terminal bulkheads are coupled with the body, and gaskets that seal the fluid reservoirs. Electrical contacts of the terminal bulkheads contact the electrical components within the sealed fluid reservoir. The fluid reservoirs are filled with a fluid such that forces applied to the electrical components are dampened, and oxidation of electrical connections is mitigated through displacement of oxygen. The fluid can also be selected to neutralize chemicals that may leak from the electrical components. The electrical contacts can be interconnected with conductor buses such that the electrical components are connected in series, parallel, or a mixture of both.Type: GrantFiled: September 30, 2020Date of Patent: January 23, 2024Inventors: Tanner Ober, Daniel Sieben, David Atkins-Apeldoorn, Rajiv Parmar, Roger Hull
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Patent number: 11881596Abstract: Set forth herein are electrochemical cells which include a negative electrode current collector, a lithium metal negative electrode, an oxide electrolyte membrane, a bonding agent layer, a positive electrode, and a positive electrode current collector. The bonding agent layer advantageously lowers the interfacial impedance of the oxide electrolyte at least at the positive electrode interface and also optionally acts as an adhesive between the solid electrolyte separator and the positive electrode interface. Also set forth herein are methods of making these bonding agent layers including, but not limited to, methods of preparing and depositing precursor solutions which form these bonding agent layers. Set forth herein, additionally, are methods of using these electrochemical cells.Type: GrantFiled: August 16, 2022Date of Patent: January 23, 2024Assignee: QuantumScape Battery, Inc.Inventors: Zhebo Chen, Niall Donnelly, Tim Holme, Deepika Singh