Patents Assigned to GLOBAL TECHNOLOGY OPERATIONS LLC
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Publication number: 20230246161Abstract: A pre-lithiated, precursor electrode includes an electroactive material layer, a current collector, and a lithium foil disposed between the electroactive material layer and the current collector. A method of preparing an electrode to be used in an electrochemical cell is provide. The method includes preparing a pre-lithiated, precursor electrode. Preparing the pre-lithiated precursor electrode includes contacting at least a first electroactive material layer with a first surface of a lithium foil assembly, where the lithium foil assembly includes a current collector and at least a first lithium foil disposed on or adjacent to a first surface of the current collector. The method may further include contacting the prelithiated, precursor electrode with an electrolyte in the electrochemical cell, where the first lithium foil at least partially or fully dissolves when contacted by the electrolyte to form the electrode and a lithium reservoir in the electrochemical cell.Type: ApplicationFiled: August 5, 2022Publication date: August 3, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Qili SU, Zhe LI, Dewen KONG, Mengyan HOU, Haijing LIU
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Publication number: 20230246242Abstract: An electrochemical cell that cycles lithium ions is provided. The electrochemical cell includes a positive electrode having a positive electroactive material selected from the group consisting of LiNixM2-xO2 (where M is selected from the group consisting of cobalt, manganese, aluminum, and combinations thereof and x?0.8), and a negative electrode having a negative electroactive composite material including a carbonaceous material and silicon oxide (SiOx, 0.95?x?1.05). The positive electrode has a single-sided loading capacity at room temperature between about 4.5 mAh/cm2 and about 6.5 mAh/cm2. The negative electrode has a single-sided loading capacity at room temperature between about 4.5 mAh/cm2 and about 5.5 mAh/cm2.Type: ApplicationFiled: August 9, 2022Publication date: August 3, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Mengyan HOU, Meiyuan WU, Si CHEN, Xiachao QUE, Haijing LIU
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Publication number: 20230246310Abstract: A high-power gel-assisted battery stack that cycles lithium ions is provided with two terminal electrodes having opposite polarities and at least one bipolar electrode assembly disposed therebetween. A first electrode is disposed on a first side of a bipolar current collector and a second electrode with an opposite polarity to the first electrode is disposed on a second side of the bipolar current collector. Each electrode includes a porous layer having an electroactive material and a solid-state electrolyte disposed in a polymeric binder. A polymer gel electrolyte is distributed in pores of the porous. The stack also includes at least two free-standing gel separator layers each being disposed between the at least one bipolar electrode assembly and terminal electrodes. Each respective free-standing gel separator layer comprises polyacrylonitrile (PAN) and an electrolyte distributed therein. The high-power gel-assisted battery stack has a maximum voltage rating of ?about 12V.Type: ApplicationFiled: March 16, 2022Publication date: August 3, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yong LU, Zhe LI, Mengyan HOU, Qili SU, Meiyuan WU, Xiaochao QUE, Haijing LIU, Si CHEN
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Publication number: 20230243662Abstract: A system for predicting energy consumption by a vehicle during a trip has a controller adapted to receive a route plan for the trip. The controller has a processor and tangible, non-transitory memory on which instructions are recorded. The system has a plurality of machine learning modules, including a behavior predictor, a driving consumption predictor and an auxiliary consumption predictor. The controller is adapted to predict a total energy consumed by the vehicle during the trip by executing the plurality of machine learning modules. The driving consumption predictor is adapted to predict a primary energy consumed for propelling the vehicle based in part on the route plan. The auxiliary consumption predictor is adapted to predict a secondary energy consumed by the vehicle for non-propulsion purposes. The behavior predictor is adapted to predict an average vehicle speed based at least partially on traffic conditions.Type: ApplicationFiled: February 1, 2022Publication date: August 3, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Vladimir Suplin, Klaus Trangbaek, Daniel Urieli
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Publication number: 20230246241Abstract: A method for forming a solid-state battery includes preparing a cell, heating the cell to a first temperature, and cycling the cell while maintaining the cell at the first temperature and/or while the cell is cooled to room temperature from the first temperature. The cell includes a solid-state electrolyte adjacent to a negative electrode, including a negative electroactive material selected from the group consisting of: lithium metal, lithium alloys, silicon, silicon alloys, and combinations thereof. The first temperature is between about 50° C. and about 175° C. The cell is cycled for between about 1 cycle and about 10 cycles, where current densities are between about 0.01 mA/cm2 and about 10 mA/cm2, and capacity per cycle between about 0.01 mAh/cm2 and about 1 mAh/cm2.Type: ApplicationFiled: January 19, 2022Publication date: August 3, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jung Hwi CHO, Aijie CHEN, Xingcheng XIAO, Mei CAI
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Publication number: 20230241942Abstract: A host vehicle for use with a remote processing station (RPS) configured to generate a pollution report from a global set of pollution data includes a vehicle body, a vehicle telematics unit (VTU), a sensor suite, and an electronic control unit (ECU). The sensor suite includes acoustic and/or an air quality sensors respectively configured for collecting pollution data samples. The pollution data samples include ambient noise and/or air quality levels as part of the global set of pollution data. The ECU selectively transmits the pollution data sample(s) to the RPS in response to predetermined conditions, via the, receives the pollution report descriptive of noise and/or air quality levels at a current location or destination of the host vehicle, and executes a control action of the host vehicle or another receiving device in response to the pollution report.Type: ApplicationFiled: February 1, 2022Publication date: August 3, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Sharon Hornstein, Klaus Trangbaek
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Publication number: 20230243023Abstract: Aluminum alloy components may include a composition including concentrations of, in wt. %, chromium of greater than or equal 0 to less than or equal 0.3, manganese of greater than or equal 0 to less than or equal 0.4, silicon of greater than or equal 6.5 to less than or equal 9.5, magnesium of greater than or equal 0 to less than or equal 0.35, iron of greater than or equal 0.2 to less than or equal 0.4, zinc of greater than or equal 0 to less than or equal 0.15, copper of greater than or equal 0 to less than or equal 0.5, titanium of greater than or equal 0 to less than or equal 0.2, strontium of greater than or equal 0 parts per million to less than or equal 200 parts per million, and a balance being aluminum.Type: ApplicationFiled: August 5, 2022Publication date: August 3, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Henry ZHAN, Pan WANG, Yiwu XU, Devin R. HESS, Jinping LI
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Publication number: 20230245673Abstract: A system and method for processing an audio input signal includes a microphone, a controller, and a communication link that may be coupled to a remote speaker. The microphone captures the audio input signal and communicates the audio input signal to the controller, and the controller is coupled to the communication link. The controller includes executable code to generate, via a linear noise reduction filtering algorithm, a first resultant based upon the audio input signal, and generate, via non-linear post filtering algorithm, a second resultant based upon the first resultant. An audio output signal is generated based upon the second resultant employing a feature restoration algorithm. The audio output signal is communicated, via the communication link, to a speaker that may be at a remote location.Type: ApplicationFiled: February 3, 2022Publication date: August 3, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Amos Schreibman
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Publication number: 20230246172Abstract: A positive electrode including an active layer is provided, where the active layer includes a plurality of positive electroactive solid-state particles, a lithium-source material coated on or dispersed with the positive electroactive solid-state particles in the active layer, and a polymeric gel electrolyte at least partially filling voids between the positive electroactive solid-state particles in the active layer. The lithium-source material having a theoretical specific capacity greater than or equal to about 100 mAh/g to less than or equal to about 3,000 mAh/g.Type: ApplicationFiled: May 17, 2022Publication date: August 3, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Zhe LI, Qili SU, Yong LU, Meiyuan WU, Haijing LIU
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Publication number: 20230246182Abstract: An electrode is provided that includes a high-nickel electroactive material having greater than or equal to about 0.6 mole fraction of nickel, and greater than or equal to about 0.1 wt. % to less than or equal to about 2 wt. % of a sulfonated aromatic ionomer additive. The electrode is prepared by contacting an electroactive material slurry with one or more surfaces of a current collector, where a solids portion of the slurry includes greater than or equal to about 45 wt. % to less than or equal to about 99 wt. % of a high-nickel electroactive material, and greater than or equal to about 0.1 wt. % to less than or equal to about 2 wt. % of a sulfonated aromatic ionomer additive.Type: ApplicationFiled: February 3, 2022Publication date: August 3, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Roland J. KOESTNER, Bradley R. FRIEBERG, Mengyuan CHEN
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Patent number: 11713036Abstract: A method of maintaining stability of a motor vehicle having a first axle, a second axle, and a steering actuator configured to steer the first axle includes determining localization and heading of the vehicle. The method also includes determining a current side-slip angle of the second axle and setting a maximum side-slip angle of the second axle using the friction coefficient at the vehicle and road surface interface. The method additionally includes predicting when the maximum side-slip angle would be exceeded using the localization, heading, and determined current side-slip angle as inputs to a linear computational model. The method also includes updating the model using the prediction of when the maximum side-slip angle would be exceeded to determine impending instability of the vehicle. Furthermore, the method includes correcting for the impending instability using the updated model and the maximum side-slip angle via modifying a steering angle of the first axle.Type: GrantFiled: October 27, 2021Date of Patent: August 1, 2023Assignee: GM Global Technology Operations LLCInventors: Kevin A. O'Dea, Jacob R. Kilver, Avshalom Suissa
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Patent number: 11715866Abstract: A method of forming edge materials on an electrochemical cell component having a metallic foil substrate including a conductive coating on top and bottom surfaces and first and second edge portions extending laterally outward beyond the conductive coating, includes pulling the metallic foil substrate from a roll, feeding the metallic foil substrate through a profile machine and forming notches within the first and second edge portions that extend inwardly from outermost edges of the first and second edge portions a distance less than a distance between the outermost edges and the conductive coating, and define a plurality of electrode tabs, feeding the strip of metallic foil substrate sequentially through a plurality of 3-dimensional printing machines and printing edge materials onto the electrode tabs and the first and second edge portions between the plurality of electrode tabs, and rolling the strip of metallic foil substrate onto a roll.Type: GrantFiled: May 18, 2021Date of Patent: August 1, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Wai Ping Gloria Tam, David F. Titmuss
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Patent number: 11715373Abstract: A method for capturing, by a host vehicle camera, an image of a leading vehicle, estimating a leading vehicle dimension and a first distance between a host vehicle and the leading vehicle in response to the image, receiving a data indicative of a traffic signal location and a traffic signal cycle state, determining a second distance between the host vehicle and the traffic signal, estimating a traffic signal view obstruction in response to the leading vehicle dimension, the first distance, and the second distance, and generating a graphical user interface indicative of the traffic signal cycle state in response to the traffic signal view obstruction.Type: GrantFiled: November 29, 2021Date of Patent: August 1, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Mohammad Naserian, Feiyu Cong, Jie Zhu, Curtis L. Hay, Priya B. Abraham
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Patent number: 11712977Abstract: A system to extend a towing range and maneuverability of an automobile vehicle during a towing operation includes a battery-electric-vehicle (BEV) having a vehicle energy pack providing operational energy to the BEV. A powered trailer is releasably connected to the BEV. A trailer module is provided with the powered trailer, the trailer module communicating between the powered trailer and the BEV. A propulsion unit is provided with the powered trailer and is in communication with trailer module and with the BEV using the trailer module. The propulsion unit enhances launch of the BEV and provides an acceleration assist to the BEV.Type: GrantFiled: October 22, 2020Date of Patent: August 1, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Norman K. Bucknor, Madhusudan Raghavan, Venkata Prasad Atluri
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Patent number: 11713803Abstract: An electric motor drive unit including an electric motor having an output shaft and a plurality of gears in driving engagement with the output shaft. The plurality of gears being supported by a plurality of laterally spaced bearings. A composite housing member includes a structural support skeleton supporting multiple ones of the plurality of laterally spaced bearings and a composite shell molded to the structural support skeleton.Type: GrantFiled: April 29, 2022Date of Patent: August 1, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Anthony Michael Coppola, Derek Frei Lahr, Alireza Fatemi, Alan G. Holmes, Bradley Allen Newcomb
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Patent number: 11715999Abstract: A method to make a stator lamination of an axial flux motor for an automobile vehicle includes: constructing a stator having multiple stator stack members, including: providing a stator lamination with individual ones of the stator stack members; forming the stator lamination from a single lamination sheet of steel defining a sinuous-shaped assembly having multiple bends; compressing the stator lamination; and machining the stator lamination to create a first edge by removing a first portion of the multiple bends and to create a second edge opposite to the first edge by removing a second portion of the multiple bends.Type: GrantFiled: December 18, 2020Date of Patent: August 1, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Anil K. Sachdev, Chengwu Duan, Alireza Fatemi
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Patent number: 11716014Abstract: A diagnostic system for an inverter module includes a motor control module configured to determine operating characteristics of the inverter module. The operating characteristics include of at least one of a voltage, a current, and a switching frequency associated with operation of the inverter module. A diagnostic module is configured to receive the operating characteristics of the inverter module, estimate at least one junction temperature of a component of the inverter module based on the operating characteristics, calculate a health indicator of the inverter module based on the estimated junction temperature, and selectively output an alert based on the calculated health indicator.Type: GrantFiled: December 27, 2021Date of Patent: August 1, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jiyu Zhang, Nomar S. Gonzalez Santini
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Patent number: D993834Type: GrantFiled: October 27, 2021Date of Patent: August 1, 2023Assignee: GM Global Technology Operations LLCInventors: Magalie Debellis, Takahiko Suginoshita
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Patent number: D993856Type: GrantFiled: August 26, 2021Date of Patent: August 1, 2023Assignee: GM Global Technology Operations LLCInventors: Hojun Choi, Seoneun Park, Dongwan Jo
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Patent number: D993874Type: GrantFiled: March 19, 2021Date of Patent: August 1, 2023Assignee: GM Global Technology Operations LLCInventor: Adam K. Scenna