Patents by Inventor Bradley R. Frieberg
Bradley R. Frieberg 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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Patent number: 11967721Abstract: A battery cathode includes: a current collector; and a coating applied to the current collector, the coating including: conductive carbon; polyvinylidene fluoride binder polymer; acid-functionalized dispersant polymer; and electrochemically active layered metal oxide.Type: GrantFiled: November 23, 2022Date of Patent: April 23, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bradley R Frieberg, Mengyuan Chen, Roland J. Koestner, Xiaosong Huang
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Publication number: 20240030456Abstract: The present disclosure provides an electrode assembly for use in an electrochemical cell that cycles lithium ions. The electrode assembly includes a current collector, an electroactive material layer disposed parallel with the current collector, and a protective coating disposed between the current collector and the electroactive material layer. The electroactive material layer is defined by a plurality of electroactive material particles. At least a portion of the electroactive material particles of the plurality of electroactive material particles includes a protective particle coating. The protective particle coating is a carbon coating that includes a first carbonaceous material. The protective coating is a carbon layer that includes a second carbonaceous material.Type: ApplicationFiled: July 20, 2022Publication date: January 25, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Mengyuan CHEN, Xiaosong HUANG, Bradley R. FRIEBERG, Roland J. KOESTNER
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Patent number: 11848440Abstract: A method of making a negative electrode for an electrochemical cell of a secondary lithium battery. The negative electrode includes composite Li—Si alloy particles dispersed in a polymer binder. The composite Li—Si alloy particles are formed by contacting Li—Si alloy particles with a precursor solution that includes a phosphorus sulfide compound dissolved in an organic solvent to form a lithium thiophosphate solid electrolyte layer over an entire outer surface of each of the Li—Si alloy particles.Type: GrantFiled: April 1, 2021Date of Patent: December 19, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bradley R. Frieberg, Zhongyi Liu, Xiaosong Huang, James R. Salvador
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Patent number: 11824186Abstract: In a method of making a negative electrode for an electrochemical cell of a secondary lithium battery, a precursor mixture is prepared that includes electrochemically active Li—Si alloy particles, electrically conductive carbon particles, and an inert polymer binder dissolved in a nonpolar organic solvent.Type: GrantFiled: April 2, 2021Date of Patent: November 21, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bradley R. Frieberg, Nicole Ellison, Xiaosong Huang, Zhongyi Liu
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Patent number: 11769872Abstract: The present disclosure provides a method of making a negative electrode material for an electrochemical cell that cycles lithium ions. The method includes centrifugally distributing a precursor including silicon, lithium, and an additional metal (M) selected from the group consisting of: aluminum (Al), chromium (Cr), titanium (Ti), niobium (Nb), molybdenum (Mo), zirconium (Zr), yttrium (Y), cerium (Ce), and combinations thereof by contacting the precursor with a rotating surface in a centrifugal atomizing reactor and solidifying the precursor to form a plurality of substantially round solid electroactive particles that include Li4.4xSixMy, where x is greater than 0 to less than or equal to about 0.85 and y corresponds to a weight percent of M that is greater than or equal to 0.1 wt. % to less than or equal to about 10 wt. %.Type: GrantFiled: March 17, 2021Date of Patent: September 26, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xiaosong Huang, Zhongyi Liu, Bradley R. Frieberg
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Patent number: 11753305Abstract: Methods of making a negative electrode material for an electrochemical cell that cycles lithium ions is provided. The method may include centrifugally distributing a molten precursor comprising silicon, oxygen, and lithium by contacting the molten precursor with a rotating surface in a centrifugal atomizing reactor. The molten precursor is formed by combining lithium, silicon, and oxygen. For example, the precursor may be formed from a mixture comprising silicon dioxide (SiO2), lithium oxide (Li2O), and silicon (Si). The method may further include solidifying the molten precursor to form a plurality of substantially round solid electroactive particles comprising a mixture of lithium silicide (LiySi, where 0<y?4.4) and a lithium silicate (Li4SiO4) and having a D50 diameter of less than or equal to about 20 micrometers.Type: GrantFiled: September 13, 2021Date of Patent: September 12, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Zhongyi Liu, Xiaosong Huang, Bradley R. Frieberg
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Publication number: 20230282881Abstract: A polymer gel electrolyte for an electrochemical cell that cycles lithium ions is provided. The polymer gel electrolyte includes a polymeric blend comprising polyvinylidene fluoride-hexafluoropropylene (PVDF-HFP) and polyvinylidene fluoride (PVDF), wherein a mass ratio of PVDF-HFP to PVDF is greater than or equal to about 1.5:1 to less than or equal to about 19:1 in the polymeric blend.Type: ApplicationFiled: August 9, 2022Publication date: September 7, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bradley R. FRIEBERG, Zhe LI, Yong LU
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Patent number: 11735768Abstract: The present disclosure relates to solid-state batteries and methods for forming solid-state batteries. The method includes contacting a polymeric precursor and an assembled battery including two or more electrodes defining a space therebetween, where the polymeric precursor fills the space defined between the two or more electrodes and any voids between the solid-state electroactive particles of each electrode; and reacting the polymeric precursor to form a polymeric gel electrolyte that forms a solid-state electrolyte layer in the space between the two or more electrodes and fills the voids between the solid-state electroactive particles of the electrodes. In other instances the method includes disposing the polymeric precursor on exposed surfaces of an electrode and reacting the polymeric precursor to form the solid-state electrolyte.Type: GrantFiled: February 9, 2021Date of Patent: August 22, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Bradley R. Frieberg
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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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Publication number: 20230197930Abstract: An electrode for an electrochemical cell includes a positive electroactive material and a polymeric binder. The positive electroactive material is present in an amount greater than 95 weight percent of the electrode. The positive electroactive material includes first, second, and third electroactive materials. The first electroactive material includes a lithium nickel manganese cobalt oxide (NMC), a lithium nickel manganese cobalt aluminum oxide (NMCA), a lithiated nickel cobalt aluminate (NCA), or a combination thereof. The first electroactive material has a nickel content of greater than or equal to about 60 mole percent. The second electroactive material includes a phosphate-containing positive electroactive material. The third electroactive material includes a lithium manganese oxide (LMO).Type: ApplicationFiled: December 16, 2021Publication date: June 22, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bradley R. FRIEBERG, Xiaosong HUANG, Mark W. VERBRUGGE
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Publication number: 20230128413Abstract: An anode material includes a plurality of negative solid-state electroactive particles. Each of the plurality of negative solid-state electroactive particles may include a lithium-doped silicon oxide and a solid electrolyte coating at least substantially continuously disposed over substantially all of the surface of the lithium-doped silicon oxide.Type: ApplicationFiled: December 15, 2021Publication date: April 27, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bradley R. Frieberg, Zhongyi Liu, Xiaosong Huang, Mark W. Verbrugge, Zhe Li
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Publication number: 20230093081Abstract: A positive electrode including positive electrode active material particles, a polymeric binder, a polymeric dispersant, and a combination of electrically conductive carbon additive types. The combination of electrically conductive carbon additive types includes carbon particles, graphene sheet stacks, and carbon nanotubes.Type: ApplicationFiled: September 16, 2021Publication date: March 23, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bradley R. Frieberg, Xiaosong Huang, Nicole Ellison, Roland J. Koestner
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Publication number: 20230077943Abstract: Methods of making a negative electrode material for an electrochemical cell that cycles lithium ions is provided. The method may include centrifugally distributing a molten precursor comprising silicon, oxygen, and lithium by contacting the molten precursor with a rotating surface in a centrifugal atomizing reactor. The molten precursor is formed by combining lithium, silicon, and oxygen. For example, the precursor may be formed from a mixture comprising silicon dioxide (SiO2), lithium oxide (Li2O), and silicon (Si). The method may further include solidifying the molten precursor to form a plurality of substantially round solid electroactive particles comprising a mixture of lithium silicide (LiySi, where 0<y?4.4) and a lithium silicate (Li4SiO4) and having a D50 diameter of less than or equal to about 20 micrometers.Type: ApplicationFiled: September 13, 2021Publication date: March 16, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Zhongyi LIU, Xiaosong HUANG, Bradley R. FRIEBERG
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Patent number: 11479148Abstract: A system and method for personalization of adjustable features of a vehicle. The system includes a processor and an actuator. The processor detectors key points of a person from a two-dimensional image and predicts a pose of the person. The processor translates a respective position of the key points from a two-dimensional coordinate system to a three-dimensional coordinate system based in part on the pose and measurements of distances between the key points. The processor determines a baseline configuration of an adjustable feature of the vehicle based in part on measurements between the key points in the three-dimensional coordinate system. The processor causes an actuator to adjust the adjustable feature to conform to the baseline configuration.Type: GrantFiled: August 8, 2019Date of Patent: October 25, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yasen Hu, Kausalya Singuru, Shiming Duan, Yao Hu, Nicholas W. Pinto, Bradley R. Frieberg
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Publication number: 20220320493Abstract: A method of making a negative electrode for an electrochemical cell of a secondary lithium battery. The negative electrode includes composite Li—Si alloy particles dispersed in a polymer binder. The composite Li—Si alloy particles are formed by contacting Li—Si alloy particles with a precursor solution that includes a phosphorus sulfide compound dissolved in an organic solvent to form a lithium thiophosphate solid electrolyte layer over an entire outer surface of each of the Li—Si alloy particles.Type: ApplicationFiled: April 1, 2021Publication date: October 6, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bradley R. Frieberg, Zhongyi Liu, Xiaosong Huang, James R. Salvador
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Publication number: 20220320489Abstract: In a method of making a negative electrode for an electrochemical cell of a secondary lithium battery, a precursor mixture is prepared that includes electrochemically active Li—Si alloy particles, electrically conductive carbon particles, and an inert polymer binder dissolved in a nonpolar organic solvent.Type: ApplicationFiled: April 2, 2021Publication date: October 6, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bradley R. Frieberg, Nicole Ellison, Xiaosong Huang, Zhongyi Liu
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Publication number: 20220302435Abstract: The present disclosure provides a method of making a negative electrode material for an electrochemical cell that cycles lithium ions. The method includes centrifugally distributing a precursor including silicon, lithium, and an additional metal (M) selected from the group consisting of: aluminum (Al), chromium (Cr), titanium (Ti), niobium (Nb), molybdenum (Mo), zirconium (Zr), yttrium (Y), cerium (Ce), and combinations thereof by contacting the precursor with a rotating surface in a centrifugal atomizing reactor and solidifying the precursor to form a plurality of substantially round solid electroactive particles that include Li4.4xSixMy, where x is greater than 0 to less than or equal to about 0.85 and y corresponds to a weight percent of M that is greater than or equal to 0.1 wt. % to less than or equal to about 10 wt. %.Type: ApplicationFiled: March 17, 2021Publication date: September 22, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xiaosong HUANG, Zhongyi LIU, Bradley R. FRIEBERG
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Patent number: 11424442Abstract: A method of making a negative electrode material for an electrochemical cell that cycles lithium ions is provided that includes centrifugally distributing a molten precursor comprising silicon and lithium by contacting the molten precursor with a rotating surface in a centrifugal atomizing reactor. The molten precursor is solidified to form a plurality of substantially round solid electroactive particles comprising an alloy of lithium and silicon and having a D50 diameter of less than or equal to about 20 micrometers. In certain variations, the negative electroactive material particles may further have one or more coatings disposed thereon, such as a carbonaceous coating and/or an oxide-based coating.Type: GrantFiled: December 6, 2019Date of Patent: August 23, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bradley R. Frieberg, Xiaosong Huang, Zhongyi Liu, Mark W. Verbrugge
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Publication number: 20220255130Abstract: The present disclosure relates to solid-state batteries and methods for forming solid-state batteries. The method includes contacting a polymeric precursor and an assembled battery including two or more electrodes defining a space therebetween, where the polymeric precursor fills the space defined between the two or more electrodes and any voids between the solid-state electroactive particles of each electrode; and reacting the polymeric precursor to form a polymeric gel electrolyte that forms a solid-state electrolyte layer in the space between the two or more electrodes and fills the voids between the solid-state electroactive particles of the electrodes. In other instances the method includes disposing the polymeric precursor on exposed surfaces of an electrode and reacting the polymeric precursor to form the solid-state electrolyte.Type: ApplicationFiled: February 9, 2021Publication date: August 11, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Bradley R. FRIEBERG
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Publication number: 20220102756Abstract: Methods for forming battery cells include providing a porous polymeric membrane (PPM), imbibing the PPM with a plasticizing solution comprising plasticizers and lithium salts to form a solid gel electrolyte film, and disposing the solid gel electrolyte film between an anode and a cathode. The PPM can be provided as a coating on the anode or the cathode. The plasticizers can be triethylene glycol dimethyl ether (triglyme), tetraethylene glycol dimethyl ether, and triethyl phosphate. The salts can be LiBF4, LiClO4, LiPF6, LiAsF6, LiTf, LiFSI, LiTFSI, and LIBOB. The plasticizer solution can be 17.5 wt. % to 27.5 wt. % LiTFSI and 72.5 wt. % to 82.5 wt. % triglyme. The plasticizer solution can be 56 wt. % to 66 wt. % LiTFSI and 33.5 wt. % to 43.5 wt. % triglyme. The plasticizer solution can be 16 wt. % to 26 wt. % LiTFSI, 9 wt. % to 19 wt. % triglyme, and 55 wt. % to 75 wt. % triethyl phosphate.Type: ApplicationFiled: September 30, 2020Publication date: March 31, 2022Inventors: Bradley R. Frieberg, Xiaosong Huang