Patents by Inventor Yifan Zhao
Yifan Zhao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250149651Abstract: A battery cell includes an enclosure and a battery cell stack including C cathode electrodes each comprising a cathode active material layer arranged on a cathode current collector, S separators, and A anode electrodes each comprising an anode active material layer arranged on an anode current collector, wherein A, C, and S are integers greater than one. The anode active material layer includes an anode active material selected from a group consisting of silicon, silicon oxide, silicon alloy, and tin, a solid-state electrolyte comprising an oxysulfide, a conductive additive, and a binder. An electrolyte includes a solvate ionic liquid.Type: ApplicationFiled: April 22, 2024Publication date: May 8, 2025Inventors: Jeffrey David CAIN, Yifan ZHAO, Yun-Yu LAI, Thomas A. YERSAK, Zhe LI, Fang DAI
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Patent number: 12293191Abstract: Embodiments of the present disclosure provides a fine-grained image recognition method and apparatus using graph structure represented high-order relation discovery, wherein the method includes: inputting an image to be classified into a convolutional neural network feature extractor with multiple stages, extracting two layers of network feature graphs in the last stage, constructing a hybrid high-order attention module according to the network feature graphs, and forming a high-order feature vector pool according to the hybrid high-order attention module, using each vector in the vector pool as a node, and utilizing semantic similarity among high-order features to form representative vector nodes in groups, and performing global pooling on the representative vector nodes to obtain classification vectors, and obtaining a fine-grained classification result through a fully connected layer and a classifier based on the classification vectors.Type: GrantFiled: December 9, 2021Date of Patent: May 6, 2025Assignee: BEIHANG UNIVERSITYInventors: Jia Li, Yifan Zhao, Dingfeng Shi, Qinping Zhao
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Publication number: 20250140901Abstract: An electrochemical cell including an electrode including a sulfuric conversion electroactive material, and a solid state electrolyte comprising an oxysulfide; a liquid electrolyte; a separator; and a negative electrode.Type: ApplicationFiled: December 8, 2023Publication date: May 1, 2025Inventors: Yifan Zhao, Yun-Yu Lai, Thomas A. Yersak, Fang Dai, Zhe Li
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Publication number: 20250096248Abstract: A battery cell, including an anode, a cathode, and a reference electrode, wherein the reference electrode is interposed between the anode and the cathode; wherein the reference electrode includes an active material layer disposed on a current collector; and wherein the active material layer includes lithium, a lithium aluminum alloy, sodium, a sodium potassium alloy, a sodium calcium alloy, a sodium-lithium-magnesium alloy, a sodium-lithium-aluminum alloy, a sodium lead alloy, a sodium silicon alloy, a sodium antimony alloy, or a sodium zinc alloy.Type: ApplicationFiled: September 19, 2023Publication date: March 20, 2025Inventors: Insun Yoon, Kyungjae Lee, Yifan Zhao, Manuela Ferreira Borras, Meinan He, Fang Dai
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Publication number: 20250096438Abstract: Some embodiments disclosed herein are directed to connectors for thin-film functional separators in battery cells. In accordance with an exemplary embodiment, a thin-film functional separator for a battery cell is provided. The thin-film functional separator may be disposed within the battery cell, such as between a cathode and anode of the battery cell. The thin-film functional separator includes a porous composite membrane that includes a microporous substrate and a coating layer, and includes a lead extending from the porous composite membrane. The lead extending from the porous composite membrane is coupled to an external conductive tab using a mechanical connector that electrically couples the external conductive tab to the lead extending from the porous composite membrane. Other embodiments may be disclosed or claimed.Type: ApplicationFiled: September 19, 2023Publication date: March 20, 2025Inventors: Anne Zhang, Jing Gao, Christine Labaza, Yifan Zhao, Brian J. Koch, Raneen Taha
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Publication number: 20250096829Abstract: A digital pre-distortion (DPD) circuit includes a DPD and a power amplifier (PA). The DPD module is configured to: obtain features of a first input signal, determine a first coefficient and a second coefficient based on the features of the first input signal, generate a second signal based on the first input signal and the first coefficient, generate a first output signal based on the second signal and the second coefficient, and input the first output signal to the power amplifier. The PA is configured to amplify the first output signal to generate a second output signal.Type: ApplicationFiled: November 27, 2024Publication date: March 20, 2025Inventors: Andrey Vorobyev, Nefedov Maxim, Yifan Zhao, Yanming Wu, Liuchuang Gao
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Publication number: 20250079464Abstract: Organosulfur cathodes having low porosity and reduced surface area for lithium-sulfur batteries generally include sulfurized poly(1,2-butadiene), wherein the sulfurized poly (1, 2-butadiene) is a reaction product of a poly (1, 2-butadiene) monomer and a cyclic octaatomic sulfur; conductive carbon; and a binder. Optionally, the reaction product that further includes co-monomers including an alkene functionality. The co-monomers can include one or more sulfide groups selected from the group consisting of sulfide, disulfide, and polysulfide.Type: ApplicationFiled: September 5, 2023Publication date: March 6, 2025Inventors: Nathaniel Hardin, Yifan Zhao, Robert D. Schmidt, Fang Dai
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Publication number: 20240413386Abstract: A method to create a garnet-based solid electrolyte separator for a battery cell is provided. The method includes coating a garnet-based material powder, initially including a lithium carbonate layer upon an outer surface of the garnet-based material powder, with aluminum fluoride to create a fluoride-treated garnet-based material powder. The method further includes operating a solid-state reaction upon the fluoride-treated garnet-based material powder, such that the aluminum fluoride reacts with the lithium carbonate layer to create aluminum oxide, carbon dioxide, and lithium fluoride. The solid-state reaction creates a fluoride-treated and solid-state reacted garnet-based material powder including the aluminum oxide and the lithium fluoride. The method further includes sintering the fluoride-treated and solid-state reacted garnet-based material powder including the aluminum oxide and the lithium fluoride.Type: ApplicationFiled: June 7, 2023Publication date: December 12, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xingcheng Xiao, Robert D. Schmidt, Yifan Zhao
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Patent number: 12166911Abstract: A mobile phone may include a housing, a battery at least partially within the housing, and a circuit board assembly at least partially within the housing and positioned along a side of the battery. The circuit board assembly may include a first circuit board defining a first hole, a second circuit board defining a second hole, a wall structure between the first circuit board and the second circuit board and attached to an inner surface of the first circuit board and an inner surface of the second circuit board, and a fastener assembly configured to retain the first circuit board to the second circuit board.Type: GrantFiled: September 10, 2021Date of Patent: December 10, 2024Assignee: APPLE INC.Inventors: Owen D. Hale, Dale T. Morgan, Andrew U. Leopold, Yifan Zhao, Nicholas Merz, Daniel Jarvis, James B. Smith, Macey E. Dade, Samuel J. Pliska, Ethan R. Stobbe, Cameron Bauer, Ian A. Spraggs, Marwan Rammah, Bryan D. Keen, David A. Pakula
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Publication number: 20240393196Abstract: The present disclosure relates to the field of strain sensors, and specifically relates to a high-temperature thin-film strain sensor, including a substrate and a strain-sensitive grid. The strain-sensitive grid includes an indium tin oxide layer and a platinum layer, the indium tin oxide layer is deposited on the substrate, and the platinum layer is deposited on the indium tin oxide layer. The indium tin oxide layer contains 50% by mass of indium oxide and 50% by mass of tin oxide. The high-temperature thin-film strain sensor provided by the present disclosure can be used in an environment from room temperature to 500° C., and have extremely high sensitivity at a high temperature of 500° C. Unlike the conventional metal foil strain gauge with a thickness of several microns, the high-temperature thin-film strain grid has a thickness of 500 nm, which can better convey the strain of the measured object at high temperature.Type: ApplicationFiled: July 23, 2024Publication date: November 28, 2024Applicant: Xi'an Jiaotong UniversityInventors: Yifan Zhao, Ge Wang, Fengwei Liu, Yaxin Zhang, Chenying Wang, Feng Han, Zhuangde Jiang
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Patent number: 12071349Abstract: A composite aerogel based on graphdiyne motif arrangement and a preparation method thereof are provided by the embodiments of the disclosure, belonging to the technical field of photothermal evaporation materials, including firstly growing graphdiyne on a surface of the graphene oxide to obtain a graphdiyne-coated graphene oxide, taking an additional graphene oxide, adding the additional graphene oxide and the graphdiyne-coated graphene oxide obtained by the coupling reaction into pure water, and ultrasonically mixing to obtain a mixed dispersion, adding a polyvinyl alcohol aqueous solution into the mixed dispersion, and transferring to a reaction kettle after ultrasonic mixing, putting the reaction kettle after sealing into a blast drying box for hydrothermal reaction to obtain a gel structure, and cleaning the gel structure, and freeze-drying to obtain a composite aerogel containing graphdiyne-coated reduced graphene oxide and reduced graphene oxide.Type: GrantFiled: December 27, 2023Date of Patent: August 27, 2024Assignee: University of Science and Technology BeijingInventors: Yue Zhang, Zhaozhao Xiong, Zhuo Kang, Fulong Dai, Shuang Hu, Kaikai Ma, Yifan Zhao, Yaxin Pan, Xiao Hu
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Publication number: 20240228297Abstract: A composite aerogel based on graphdiyne motif arrangement and a preparation method thereof are provided by the embodiments of the disclosure, belonging to the technical field of photothermal evaporation materials, including firstly growing graphdiyne on a surface of the graphene oxide to obtain a graphdiyne-coated graphene oxide, taking an additional graphene oxide, adding the additional graphene oxide and the graphdiyne-coated graphene oxide obtained by the coupling reaction into pure water, and ultrasonically mixing to obtain a mixed dispersion, adding a polyvinyl alcohol aqueous solution into the mixed dispersion, and transferring to a reaction kettle after ultrasonic mixing, putting the reaction kettle after sealing into a blast drying box for hydrothermal reaction to obtain a gel structure, and cleaning the gel structure, and freeze-drying to obtain a composite aerogel containing graphdiyne-coated reduced graphene oxide and reduced graphene oxide.Type: ApplicationFiled: December 27, 2023Publication date: July 11, 2024Inventors: Yue ZHANG, Zhaozhao XIONG, Zhuo KANG, Fulong DAI, Shuang HU, Kaikai MA, Yifan ZHAO, Yaxin PAN, Xiao HU
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Publication number: 20240088521Abstract: A separator for an electrochemical cell that cycles lithium ions includes a microporous layer and one or more fire suppression layers disposed on at least one of a first side or an opposite second side of the microporous layer. The one or more fire suppression layers include crosslinked cyclopolyphosphazene particles.Type: ApplicationFiled: August 26, 2022Publication date: March 14, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yifan ZHAO, Xingcheng XIAO
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Publication number: 20240070691Abstract: Devices, systems, and methods for consumer communication can include obtaining actual product traffic data concerning consumer products, applying a mixed model to determine an incremental product traffic value, and predicting as an output of a machine learning model, impending incremental product traffic based on the incremental product traffic values, and determining a ranking of each consumer product based on the impending incremental product traffic.Type: ApplicationFiled: August 2, 2023Publication date: February 29, 2024Inventors: Yao XIE, Thomas E. HENRY, Jr., Anupriya AGRAWAL, Yifan ZHAO
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Publication number: 20240047673Abstract: The present disclosure provides an electrochemical cell that cycles lithium ions. The electrochemical cell includes a first electrode including a first electroactive material, a second electrode including a second electroactive material, and a separating layer disposed therebetween. The second electroactive material include a plurality of electroactive material particles, where at least a portion of the electroactive material particles have a surface coating that includes a nitrate salt. The first electroactive material can include a lithium metal, and the electrochemical cell can further include a carbonate-based solvent.Type: ApplicationFiled: August 3, 2022Publication date: February 8, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yifan ZHAO, Xingcheng XIAO
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Publication number: 20240039118Abstract: A separator for an electrochemical cell that cycles lithium ions includes a microporous layer and one or more fire suppression layers disposed on at least one of a first side or an opposite second side of the microporous layer. The one or more fire suppression layers include a ceramic material having interconnected open pores and a cyclophosphazene disposed within the interconnected open pores of the ceramic material.Type: ApplicationFiled: July 29, 2022Publication date: February 1, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yifan ZHAO, Xingcheng XIAO, Shuru CHEN
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Publication number: 20240021787Abstract: A hybrid functional particle for use in an electrochemical cell that cycle lithium ions is provided. The hybrid functional particle includes a lithiated zeolite having a plurality of pores and a plurality of lithium-containing particles disposed within one or more pores of the plurality of pores of the lithiated zeolite. For example, the lithiated zeolite has a porosity ranging from about 10 vol. % to about 90 vol. %, and the lithium-containing particles can fill an amount ranging from about 1% to about 100% of a total porosity of the lithiated zeolite. The electrochemical cell includes first and second electrodes separated by a separating layer, and the hybrid functional particle may be disposed within one or both of the electrodes, coated on one or more sides of one or both of the electrodes, disposed within the separating layer, and/or coated on one or more surfaces of the separating layer.Type: ApplicationFiled: July 13, 2022Publication date: January 18, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xingcheng XIAO, Mei CAI, Yifan ZHAO
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Publication number: 20230396482Abstract: Embodiments of the present invention provide a signal processing method and apparatus, a first device determines a target insertion position of a pilot sequence in a first frequency-domain signal based on the data bits in a first sub-data signal obtained by dividing data bits in a data signal, combines the pilot sequences with a second sub-data signal obtained by dividing the data signal according to the determined target insertion positions, to obtain the first frequency-domain signal; sends the pulse signal corresponding to the first frequency-domain signal to the second device.Type: ApplicationFiled: July 19, 2021Publication date: December 7, 2023Inventors: Zhiyong FENG, Sai HUANG, Yifan ZHAO, Qixun ZHANG, Zhiqing WEI
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Publication number: 20230335706Abstract: An electrode assembly that includes an electroactive material layer and a protective layer disposed on or adjacent to the electroactive material layer is provided. The protective layer includes a carbonaceous matrix formed from a fluoropolymer, where lithium fluoride and a nitrate salt are distributed within the carbonaceous matrix. The protective layer further includes residual fluoropolymer and has a first surface adjacent to the electroactive material layer and a second surface opposite to the first surface. A first compositional gradient in the protective layer is defined from the first surface having a first amount of lithium fluoride that is greater than a second amount of lithium fluoride at the second surface, and a second compositional gradient in the protective layer is defined from the first surface having a first amount of residual fluoropolymer that is less than a second amount of residual fluoropolymer at the second surface.Type: ApplicationFiled: April 14, 2022Publication date: October 19, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yifan ZHAO, Xingcheng XIAO
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Patent number: D1045977Type: GrantFiled: December 7, 2022Date of Patent: October 8, 2024Inventors: Chenglong Kang, Yifan Zhao, Meijun Huang, Ziyan Mo, Xuan Wang, Junkang He