Patents by Inventor Jiazhi HU
Jiazhi HU 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: 20240088399Abstract: A battery electrode for an electrochemical cell that cycles lithium ions is described and includes: a first separator layer including a first side and a second side; a first conductive porous layer located on the first side of the first separator layer; and an active material layer to cycle lithium ions and including a first side and a second side, where the first side of the active material layer is in contact with the first conductive porous layer.Type: ApplicationFiled: September 14, 2022Publication date: March 14, 2024Inventors: Michael P. Balogh, Jiazhi Hu, Jing Gao, Nicole Ellison, Ratandeep Singh Kukreja
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Publication number: 20240047666Abstract: The present disclosure provides an electrochemical cell that cycles lithium ions. The electrochemical cell includes a first electrode, a second electrode, and a separating layer disposed between the first electrode and the second electrode. The first electrode includes an electrolyte intermingled with a nickel-rich positive electroactive material. The second electrode also includes the electrolyte, and the electrolyte is intermingled a silicon-based negative electroactive material. The electrolyte includes an electrolyte additive and a solvent mixture. The solvent mixture includes vinylene carbonate, fluoroethylene carbonate, ethylene carbonate, and dimethyl carbonate. The electrolyte additive is selected from the group consisting of: lithium difluorophosphate, ethylene sulfate, and combinations thereof.Type: ApplicationFiled: August 3, 2022Publication date: February 8, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Meng JIANG, Chuanlong WANG, Xiaosong HUANG, Jiazhi HU
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Publication number: 20240039002Abstract: A battery cell includes a first current collector and a cathode electrode arranged adjacent to the first current collector and including lithium active material. A separator is arranged adjacent to the cathode electrode. The battery cell includes a second current collector. A porous conductive layer is arranged on the second current collector between the second current collector and the separator.Type: ApplicationFiled: July 28, 2022Publication date: February 1, 2024Inventors: Meng JIANG, Meinan HE, Biqiong WANG, Jiazhi HU, Fan XU, Louis G. HECTOR, JR.
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Publication number: 20240006660Abstract: An electrode for an electrochemical cell that cycles lithium ions is provided. The electrode includes an electroactive material represented by: xLi2MnO3ยท(1-x)LiMO2 where M is a transition metal selected from the group consisting of: nickel (Ni), manganese, cobalt, aluminum, iron, and combinations thereof and 0.01?x?0.99. The electrode also includes an electrolyte additive selected from the group consisting of: a lithium salt additive, a phosphite-based additive, a phosphate-based additive, a borate-based additive, succinonitrile, magnesium bis(trifluoromethanesulfonyl)imide, calcium bis(trifluoromethanesulfonyl)imide, and combinations thereof.Type: ApplicationFiled: June 29, 2022Publication date: January 4, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Lei WANG, Gongshin QI, Jiazhi HU
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Publication number: 20230372909Abstract: A layered catalyst structure for purifying an exhaust gas stream includes a catalyst support and a rhodium catalyst layer including an atomic dispersion of rhodium ions and/or rhodium atoms adsorbed on an exterior surface of the catalyst support. The catalyst support includes an alumina substrate, a first ceria layer disposed on and extending substantially continuously over the alumina substrate, and a second colloidal ceria layer formed directly on the first ceria layer over the alumina substrate.Type: ApplicationFiled: May 20, 2022Publication date: November 23, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yuntao GU, Gongshin QI, Jiazhi HU, Wei LI
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Patent number: 11799083Abstract: The present disclosure provides an electrochemical cell that cycles lithium ions. The electrochemical cell includes a positive electrode and a negative electrode. The positive electrode includes a positive electroactive material and a lithiation additive blended with the positive electroactive material. The lithiation additive includes a lithium-containing material and one or more metals. The lithium-containing material is represented by LiX, where X is hydrogen (H), oxygen (O), nitrogen (N), fluorine (F), phosphorous (P), or sulfur (S). The one or more metals are selected from the group consisting of: iron (Fe), copper (Cu), cobalt (Co), manganese (Mn), and combinations thereof. The negative electrode may include a volume-expanding negative electroactive material.Type: GrantFiled: August 26, 2021Date of Patent: October 24, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jiazhi Hu, Gongshin Qi
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Publication number: 20230335753Abstract: An anodeless electrochemical cell is provided that includes a positive electroactive material layer and a patterned current collector. The patterned current collector includes a non-conductive substrate and a conductive network disposed over a surface of the non-conductive substrate. The surface of the non-conductive substrate defines a first surface area, and a perimeter of the conductive network defines a second surface area. The second surface area covers greater than 90% of the first surface area. The conductive network includes a framework having plurality of pores, such that the conductive network has a porosity greater than or equal to about 20 vol. % to less than or equal to about 95 vol. %. During a charging event, the pores are configured to receive deposited lithium metal. The anodeless electrochemical cell further includes a separator between the positive electroactive material layer and the patterned current collector.Type: ApplicationFiled: April 14, 2022Publication date: October 19, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Meng JIANG, Jiazhi HU, Biqiong WANG, Meinan HE, Fan XU, Michael P. BALOGH
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Publication number: 20230299359Abstract: An electrolyte composition for use in a battery system including a silicon-based negative electrode having active material particles is provided. The electrolyte composition includes a polar solvent selected from the group consisting of ethylene carbonate, propylene carbonate, sulfolane, ?-butyrolactone, and combinations thereof and at least one lithium salt dissolved in the polar solvent at a concentration of at least 2 moles of the at least one lithium salt per 1 liter of the polar solvent. The at least one lithium salt and the polar solvent add dipoles to the electrolyte composition configured for reducing an electric field present at a surface of each of the active material particles in the silicon-based negative electrode of the battery system.Type: ApplicationFiled: March 15, 2022Publication date: September 21, 2023Applicants: GM GLOBAL TECHNOLOGY OPERATIONS LLC, c/o Bar-Ilan UniversityInventors: Ion C. Halalay, Doron Aurbach, Shalom Luski, Michael P. Balogh, Nicole Ellison, Jiazhi Hu
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Publication number: 20230298702Abstract: Described herein are methods and assays for detection of recombination and/or rearrangement events in a cell. In some embodiments, the methods and/or assays relate to Linear Amplification Mediated (LAM)-PCR. In some embodiments, the recombination event is a V(D)J recombination event.Type: ApplicationFiled: March 31, 2023Publication date: September 21, 2023Applicant: THE CHILDREN'S MEDICAL CENTER CORPORATIONInventors: Frederick W. ALT, Jiazhi HU, Sherry LIN, Zhou DU, Yu ZHANG, Huan CHEN
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Patent number: 11757082Abstract: A method for fabricating an anode for a lithium ion battery cell is described and includes forming a solid electrolyte interface (SEI) layer on a raw anode prior to assembly into a battery cell by applying a first SEI-generating electrolyte to the raw anode to form a first intermediate anode, applying a second SEI-generating electrolyte to the first intermediate anode to form a second intermediate anode, and applying a third SEI-generating electrolyte to the second intermediate anode to form a cell anode, wherein the cell anode includes the raw anode having the SEI layer. Thus, a cell anode is formed by sequentially applying SEI-generating electrolytes to a raw anode to form the cell anode with an SEI layer, and a lithium ion battery cell is formed by assembling the cell anode into a cell pack, with a cathode, and a separator, and adding a cell electrolyte prior to sealing.Type: GrantFiled: February 19, 2021Date of Patent: September 12, 2023Assignee: GM Global Technology Operations LLCInventors: Jin Liu, Jiazhi Hu, Raffaello Ardanese, Ryan C. Sekol, Lei Wang, Michael P. Balogh
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Publication number: 20230178810Abstract: An electrolyte composition for batteries is provided. The electrolyte composition includes ethylene carbonate, diethyl carbonate, ethyl methyl carbonate, vinyl ethylene carbonate, vinyl carbonate, 1,3-propane sultone, ethylene sulfate, and lithium difluorophosphate. The ethylene carbonate, the diethyl carbonate, and the ethyl methyl carbonate are each present in the electrolyte composition in an amount from 10 parts by weight to 50 parts by weight based on 100 parts by weight of the electrolyte composition. The vinyl ethylene carbonate is present in an amount up to 0.5 parts by weight based on 100 parts by weight of the electrolyte composition. The vinyl carbonate is present in an amount up to 1.0 parts by weight based on 100 parts by weight of the electrolyte composition. The 1,3-propane sultone is present in an amount up to 1.5 parts by weight based on 100 parts by weight of the electrolyte composition.Type: ApplicationFiled: December 3, 2021Publication date: June 8, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Meng Jiang, Jiazhi Hu
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Publication number: 20230129069Abstract: The present disclosure provides a method of preparing a coated electroactive material. The method includes providing a plurality of particles including an electroactive material. The method further includes coating the plurality of particles with a conductive polymer. The coating includes preparing a solution of water and the conductive polymer. The coating further includes forming a slurry by combining the solution with the plurality of particles. The method further includes drying the slurry to form the coated electroactive material. The coated electroactive material includes the plurality of particles. Each of the plurality of particles is at least partially coated with the conductive polymer. In certain aspects, the present disclosure provides a method of preparing an electrode including the coated electroactive material.Type: ApplicationFiled: October 21, 2021Publication date: April 27, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Gongshin QI, Jiazhi HU
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Publication number: 20230069776Abstract: The present disclosure provides an electrochemical cell that cycles lithium ions. The electrochemical cell includes a positive electrode and a negative electrode. The positive electrode includes a positive electroactive material and a lithiation additive blended with the positive electroactive material. The lithiation additive includes a lithium-containing material and one or more metals. The lithium-containing material is represented by LiX, where X is hydrogen (H), oxygen (O), nitrogen (N), fluorine (F), phosphorous (P), or sulfur (S). The one or more metals are selected from the group consisting of: iron (Fe), copper (Cu), cobalt (Co), manganese (Mn), and combinations thereof. The negative electrode may include a volume-expanding negative electroactive material.Type: ApplicationFiled: August 26, 2021Publication date: March 2, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jiazhi Hu, Gongshin Qi
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Publication number: 20230006201Abstract: Over-lithiated cathode materials for use in an electrochemical cell that cycles lithium ions, and methods of making and using the same, are provided. The over-lithiated cathode materials may include positive electroactive materials selected from the group consisting of: Li2Mn2O4, Li2MSiO4 (where M is Fe, Mn, Co, or Mn), Li2VOPO4, and combinations thereof. Methods for preparing the positive electroactive material may include charging an electrochemical cell at a first voltage window and discharging the electrochemical cell at a second a second voltage window that is less than the first voltage window. The electrochemical cell may include a positive electrode, including the positive electroactive material, and a negative electrode, including a volume-expanding negative electroactive material. During charging, lithium ions and electrons may move from the positive electrode to the negative electrode.Type: ApplicationFiled: June 30, 2021Publication date: January 5, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Lei WANG, Jiazhi HU
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Publication number: 20220271268Abstract: A method for fabricating an anode for a lithium ion battery cell is described and includes forming a solid electrolyte interface (SEI) layer on a raw anode prior to assembly into a battery cell by applying a first SEI-generating electrolyte to the raw anode to form a first intermediate anode, applying a second SEI-generating electrolyte to the first intermediate anode to form a second intermediate anode, and applying a third SEI-generating electrolyte to the second intermediate anode to form a cell anode, wherein the cell anode includes the raw anode having the SEI layer. Thus, a cell anode is formed by sequentially applying SEI-generating electrolytes to a raw anode to form the cell anode with an SEI layer, and a lithium ion battery cell is formed by assembling the cell anode into a cell pack, with a cathode, and a separator, and adding a cell electrolyte prior to sealing.Type: ApplicationFiled: February 19, 2021Publication date: August 25, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jin Liu, Jiazhi Hu, Raffaello Ardanese, Ryan C. Sekol, Lei Wang, Michael P. Balogh
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Publication number: 20200227728Abstract: Methods for making an electrode, such as a negative electrode or a positive electrode, for use in an electrochemical cell, like a lithium ion battery, are provided. The method includes a cross-linking step and a carbonizing step. The cross-linking step includes cross-linking a first mixture including a polymeric binder and an electroactive material including silicon, lithium, graphite, and a combination thereof to form a cross-linked intermediate electrode. The cross-linked intermediate electrode includes the electroactive material dispersed within the polymeric binder, wherein at least a portion of the polymeric binder is cross-linked. The carbonizing step includes plasma treating the cross-linked intermediate electrode or exposing the cross-linked intermediate electrode to electromagnetic radiation.Type: ApplicationFiled: January 16, 2019Publication date: July 16, 2020Applicants: GM GLOBAL TECHNOLOGY OPERATIONS LLC, UNIVERSITY OF KENTUCKY RESEARCH FOUNDATIONInventors: Xiaosong HUANG, Jiazhi HU, Yang-Tse CHENG
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Patent number: 10640820Abstract: Described herein are methods and systems relating to high throughput, genome-wide translocation sequencing (HTGTS) and/or detection of double-stranded DNA break (DSB) locations. The methods described herein can comprise generating DSBs in a nucleic acid sequence and performing nested PCR with the primers described herein. Described herein is an enhanced HTGTS approach. The assays and methods described herein permit the measurement of various DNA double-strand break (DSB) activities either intrinsic to the biological system or from outside agents.Type: GrantFiled: November 20, 2015Date of Patent: May 5, 2020Assignee: CHILDREN'S MEDICAL CENTER CORPORATIONInventors: Frederick W. Alt, Richard L. Frock, Jiazhi Hu, Robin M. Meyers
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Publication number: 20190390260Abstract: Described herein are methods and assays for detection of recombination and/or rearrangement events in a cell. In some embodiments, the methods and/or assays relate to Linear Amplification Mediated (LAM)-PCR. In some embodiments, the recombination event is a V(D)J recombination event.Type: ApplicationFiled: February 13, 2018Publication date: December 26, 2019Applicant: THE CHILDREN'S MEDICAL CENTER CORPORATIONInventors: Frederick W. ALT, Jiazhi HU, Sherry LIN, Zhou DU, Yu ZHANG, Huan CHEN
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Publication number: 20180346977Abstract: Described herein are methods and systems relating to high throughput, genome-wide translocation sequencing (HTGTS) and/or detection of double-stranded DNA break (DSB) locations. The methods described herein can comprise generating DSBs in a nucleic acid sequence and performing nested PCR with the primers described herein. Described herein is an enhanced HTGTS approach. The assays and methods described herein permit the measurement of various DNA double-strand break (DSB) activities either intrinsic to the biological system or from outside agents.Type: ApplicationFiled: November 20, 2015Publication date: December 6, 2018Applicant: CHILDREN'S MEDICAL CENTER CORPORATIONInventors: Frederick W. ALT, Richard L. FROCK, Jiazhi HU, Robin M. MEYERS