Patents by Inventor Haijing Liu

Haijing Liu 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).

  • Patent number: 11967722
    Abstract: A battery includes positive and negative current collectors and a plurality of bipolar electrodes arranged in a stack between the positive and negative current collectors. The positive and negative current collectors and the stack of the plurality of bipolar electrodes are folded in an S-shape.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: April 23, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Qili Su, Zhe Li, Meiyuan Wu, Mengyan Hou, Haijing Liu
  • Publication number: 20240113300
    Abstract: The present disclosure provides a modified binder for use in an electrochemical cell that cycles lithium ions. The modified binder includes one or more agglomerates of polytetrafluoroethylene nanoparticles, where each of the polytetrafluoroethylene nanoparticles includes a polytetrafluoroethylene core and a polymeric shell that is disposed on exposed surfaces of the core. The polymeric shell can include a polymer selected from the group consisting of: polyethylene oxide, polyglycidyl methacrylate, polyvinylidene difluoride, fluoride-hexafluoropropylene, polypropylene oxide, polyacrylonitrile, polymethacrylonitrile, polymethyl methacrylate, derivatives and co-polymers, and combinations thereof, and in certain instances, also a humidity tolerant lithium salt.
    Type: Application
    Filed: November 28, 2022
    Publication date: April 4, 2024
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Yong LU, Meiyuan WU, Dewen KONG, Haijing LIU
  • Publication number: 20240114348
    Abstract: Embodiments described herein include methods, systems, and apparatuses for allowing a user equipment (UE) that supports dynamic spectrum sharing (DSS) with uplink (UL)-shift to access a cell and barring UEs that do not support DSS with UL-shift. Embodiments may use a cell barring field in a master information block and additional filters to indicate a barring state for a network node.
    Type: Application
    Filed: December 7, 2023
    Publication date: April 4, 2024
    Inventors: Naveen Kumar R Palle Venkata, Alexander Sayenko, Anatoliy S. Ioffe, Fangli Xu, Haijing Hu, Leilei Song, Ralf Rossbach, Ruoheng Liu, Sarma V. Vangala, Yuqin Chen, Zhibin Wu
  • Patent number: 11948343
    Abstract: Disclosed are an image matching method and apparatus. The image matching method is inclusive of steps of obtaining a panoramic image of at least one subspace in a 3D space and a 2D image of the 3D space; acquiring a 2D image of the at least one subspace in the 3D space; performing 3D reconstruction on the panoramic image of the at least one subspace, and procuring a projection image corresponding to the panoramic image of the at least one subspace; and attaining a matching relationship between the panoramic image of the at least one subspace and the 2D image of the at least one subspace, and establishing an association relationship between the panoramic image of the at least one subspace and the 2D image of the at least one subspace between which the matching relationship has been generated.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: April 2, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Haijing Jia, Hong Yi, Liyan Liu, Wei Wang
  • Patent number: 11942620
    Abstract: The present disclosure relates to a solid-state electrochemical cell having a uniformly distributed solid-state electrolyte and methods of fabrication relating thereto. The method may include forming a plurality of apertures within the one or more solid-state electrodes; impregnating the one or more solid-state electrodes with a solid-state electrolyte precursor solution so as to fill the plurality of apertures and any other void or pores within the one or more electrodes with the solid-state electrolyte precursor solution; and heating the one or more electrodes so as to solidify the solid-state electrolyte precursor solution and to form the distributed solid-state electrolyte.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: March 26, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Yong Lu, Zhe Li, Xiaochao Que, Haijing Liu, Meiyuan Wu
  • Publication number: 20240097207
    Abstract: A battery includes S battery cells of a first type. Each of the S battery cells includes a plurality of first cathode electrodes and a plurality of first anode electrodes. The battery includes T battery cells of a second type, wherein each of the T battery cells includes a plurality of second cathode electrodes and a plurality of second anode electrodes, where S and T are integers greater than one. The T battery cells are arranged between the S battery cells. At least one of the plurality of first cathode electrodes includes a first cathode active material that is different than a second cathode active material of the plurality of second cathode electrodes. The plurality of first anode electrodes includes a first anode active material that is different than a second anode active material of the plurality of second anode electrodes.
    Type: Application
    Filed: March 28, 2023
    Publication date: March 21, 2024
    Inventors: Jingyuan LIU, Haijing LIU, Mark W. VERBRUGGE
  • Patent number: 11936030
    Abstract: A method of manufacturing an electrode for an electrochemical cell includes providing an admixture including an electroactive material, a binder, and a solvent. The method further includes rolling the admixture to form a sheet and forming a multi-layer stack from the sheet. The method further includes forming an electrode film precursor by performing a plurality of sequential rollings, each including rolling the stack through a first gap. The plurality of sequential rollings includes first and second rollings. In the first rolling, the stack is in a first orientation. In the second rolling, the stack is in a second orientation different from the first orientation. The method further includes forming an electrode film by rolling the electrode film precursor through a second gap less than or equal to the first gap. The method further includes drying the electrode film to remove at least a portion of the solvent.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: March 19, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Dewen Kong, Xiaochao Que, Meiyuan Wu, Haijing Liu, Xiaosong Huang, Mark W. Verbrugge
  • Publication number: 20240079544
    Abstract: A method for fabricating a dual-layer capacitive cabode electrode includes fabricating a first film including capacitive active material; fabricating a second film including cathode active material; hot jointing the first film and the second film to create a cabode film; and laminating the cabode film onto opposite sides of a current collector using conductive adhesive.
    Type: Application
    Filed: October 7, 2022
    Publication date: March 7, 2024
    Inventors: Dewen KONG, Meiyuan WU, Yong LU, Haijing LIU, Mark W. VERBRUGGE
  • Publication number: 20240079699
    Abstract: A bipolar battery includes N battery cores each comprising a cathode electrode, an anode electrode, and a separator, where N is an integer greater than one. N?1 bipolar plates include a first layer made of a first material, a second layer made of a second material, a center portion, and first and second sides extending transversely relative to the center portion. A battery enclosure including a cover and a lower portion including sides defining a cavity. The N?1 bipolar plates are arranged in the cavity between adjacent ones of the N battery cores and the N battery cores are connected in series by the N?1 bipolar plates. The first and second sides of the N?1 bipolar plates are one of inserted into ā€œLā€-shaped slots in the sides of the lower portion, and molded into the sides of the lower portion.
    Type: Application
    Filed: August 2, 2023
    Publication date: March 7, 2024
    Inventors: Zhe LI, Meiyuan WU, Qili SU, Yong LU, Haijing LIU
  • Publication number: 20240079655
    Abstract: A bipolar solid-state battery includes N solid-state battery cells. Each of the N solid-state battery cells includes M solid-state cores each comprising a first current collector, cathode active material, a separator, anode active material, and a second current collector, where N and M are integers greater than one. The M solid-state cores are connected in parallel by connecting the first current collectors of the M solid-state cores in each of the N solid-state battery cells together and by connecting the second current collectors of the M solid-state cores in each of the N solid-state battery cells together. N?1 clad plates including a first side made of a first material and a second side made of a second material. The N?1 clad plates are arranged between adjacent ones of the N solid-state battery cells and the N solid-state battery cells are connected in series by the N?1 clad plates.
    Type: Application
    Filed: October 7, 2022
    Publication date: March 7, 2024
    Inventors: Qili SU, Zhe LI, Meiyuan WU, Haijing LIU, Dave G. RICH
  • Publication number: 20240079638
    Abstract: A battery cell includes a continuous anode electrode comprising an anode current collector. A plurality of individual cathode electrodes include a cathode current collector, cathode active material arranged on opposite sides of the cathode current collector, and a first sulfide electrolyte layer arranged on the cathode active material. The continuous anode electrode is arranged in a zig-zag pattern and the plurality of individual cathode electrodes are arranged between adjacent alternating portions of the continuous anode electrode.
    Type: Application
    Filed: October 7, 2022
    Publication date: March 7, 2024
    Inventors: Qili SU, Zhe Li, Yong Lu, Haijing Liu
  • Publication number: 20240079594
    Abstract: In various aspects, the present disclosure provides solvent-free methods of making a solid-state electrode active layer for a solid-state electrode in an electrochemical cell that cycles lithium ions, by using a plurality of solid polymeric binder particles capable of fibrillation with porous fibrillation particles with a first shear force to at least partially fibrillate the solid polymeric binder particles to form a polymeric binder mixture. The disclosure also contemplates a current collector and a porous active layer disposed thereon. The porous active layer includes a fibrous polymeric network having a plurality of solid particles distributed therein. The solid particles may include electroactive material particles, solid-state electrolyte particles, and porous fibrillation particles.
    Type: Application
    Filed: November 4, 2022
    Publication date: March 7, 2024
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Qili SU, Zhe LI, Yong LU, Haijing LIU
  • Publication number: 20240072331
    Abstract: A battery includes B groups of battery cells that are arranged adjacent to one another in a stacking direction, wherein B is an integer greater than one. The B groups of battery cells include B first battery cells each having a first shape, including first groups of external tabs and defining first recesses, respectively, and B second battery cells having the first shape, including second groups of external tabs, and defining second recesses, respectively. The B second battery cells are inverted and arranged adjacent to the B first battery cells in B planes that are arranged transverse to the stacking direction. The first recesses of the B first battery cells and the second recesses of the B second battery cells define a central tunnel running through the B groups of battery cells. The central tunnel is configured to receive a temperature adjustment device.
    Type: Application
    Filed: March 20, 2023
    Publication date: February 29, 2024
    Inventors: Jingyuan LIU, Sherman H. Zeng, Haijing Liu, John Christian Kalil
  • Publication number: 20240072390
    Abstract: A bipolar battery cell includes a stack including N current collectors, M anode electrodes, S separators, and C cathode electrodes, where N, M, S and C are integers greater than one. A first positioning member is arranged on one side of the stack and includes a first planar portion and a first slot in the first planar portion. A first one of the C current collectors extends through the first slot in the first planar portion and is folded. The first positioning member further includes a first rail portion and a second rail portion. The first rail portion and the second rail portion extend from the first planar portion. A first external tab is arranged between the first rail portion and the second rail portion and connected to the first one of the C current collectors.
    Type: Application
    Filed: March 17, 2023
    Publication date: February 29, 2024
    Inventors: Jingyuan LIU, Sherman H. Zeng, Zhe Li, Qili Su, Haijing Liu
  • Publication number: 20240063394
    Abstract: The present disclosure provides an electrode for use in an electrochemical cell that cycles lithium ions. The electrode has a thickness greater than or equal to about 50 micrometers to less than or equal to about 500 micrometers and includes an electroactive material, a polytetrafluoroethylene-based binder, and a porous crystalline material additive. For example, the electrode may include greater than or equal to about 0.01 wt. % to less than or equal to about 20 wt. % of the porous crystalline material additive, and greater than or equal to about 0.01 wt. % to less than or equal to about 20 wt. % of the polytetrafluoroethylene-based binder. The porous crystalline material additive is selected from the group consisting of: metal-organic frameworks (MOFs), covalent-organic frameworks (COFs), and combinations thereof.
    Type: Application
    Filed: November 28, 2022
    Publication date: February 22, 2024
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Yong LU, Si CHEN, Haijing LIU
  • Publication number: 20240055593
    Abstract: The present disclosure provides an electrochemical device that cycles lithium ions. The electrochemical device includes at least one first cell unit and at least one second cell unit. The at least one first cell unit includes a nickel-rich positive electroactive material. The nickel-rich positive electroactive material can be represented by: LiM1xM2yM3zM4(1-x-y-z)O2 where M1, M2, M3, and M4 are each a transition metal independently selected from the group consisting of: nickel, manganese, cobalt, aluminum, and combinations thereof, where 0?x?1, 0?y?1, and 0?z?1. The at least one second cell unit includes a phosphate-based positive electroactive material. The phosphate-based electroactive material can be selected from the group consisting of: lithium manganese iron phosphates (LiMnxFe1-xPO4, where 0?x?1) (LMFP), lithium vanadium oxygen phosphates (LixVOPO4, where 0?x?1), lithium vanadium phosphates, lithium vanadium fluorophosphates, and combinations thereof.
    Type: Application
    Filed: November 3, 2022
    Publication date: February 15, 2024
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Yong LU, Haijing LIU, Jingyuan LIU, Meiyuan WU, Dewen KONG
  • Publication number: 20240038998
    Abstract: A battery cell includes a plurality of cathodes and a plurality of anodes. A plurality of solid electrolyte layers are arranged between first adjacent ones of the plurality of cathodes and the plurality of anodes. A plurality of clad current collectors are arranged between second adjacent ones of the plurality of cathodes and the plurality of anodes. The plurality of clad current collector includes a first foil layer, a second foil layer and a thermal interface layer including adhesive and at least one material that increases thermal and electrical conductivity of the thermal interface layer.
    Type: Application
    Filed: August 16, 2022
    Publication date: February 1, 2024
    Inventors: Zhe LI, Dave G. RICH, Meiyuan WU, Jingyuan LIU, Haijing LIU
  • Publication number: 20240039032
    Abstract: A battery cell includes a plurality of electrodes including a plurality of anode electrodes and a plurality of cathode electrodes. The plurality of electrodes is arranged in one of a stacked architecture and a winding architecture. Each of the plurality of electrodes includes a current collector and active material arranged on opposite sides of the current collector. The current collector of one or more outermost ones of the plurality of electrodes is thicker than the current collectors of remaining ones of the plurality of electrodes having the same anode/cathode type.
    Type: Application
    Filed: August 22, 2022
    Publication date: February 1, 2024
    Inventors: Yong LU, Haijing LIU, Teresa Jean RINKER
  • Publication number: 20240038996
    Abstract: A method of making a capacitor-assisted hybrid electrode for a lithium-ion electrochemical cell includes admixing a solvent, a cellulose-based dispersant, and a plurality of capacitive particles comprising carbon to form a dispersion. The cellulose-based dispersant forms hydrogen bonds with one or more carbonyl-groups on the capacitive particles comprising carbon. The dispersion is combined with an electroactive material, an electrically conductive material, and a binder to form a slurry. The slurry is applied to a current collector and solidified to form the capacitor-assisted hybrid electrode having a composite hybrid active layer on the current collector. Capacitor-assisted hybrid electrodes formed from such methods are also provided.
    Type: Application
    Filed: September 22, 2022
    Publication date: February 1, 2024
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Dewen KONG, Meiyuan WU, Si CHEN, Haijing LIU
  • Publication number: 20240030552
    Abstract: An electrode assembly for an electrochemical cell that cycles lithium ions is provided. The electrode assembly includes one or more electroactive material layers including a plurality of electroactive material particles and a plurality of binder material fibers dispersed with the electroactive material particles. At least one electroactive material particle of the plurality may have a first protective layer coated thereon, and at least one binder material fiber of the plurality may have a second protective layer coated thereon. The first and second protective layers may be the same or different. The binder material fibers can include polytetrafluoroethylene (PTFE).
    Type: Application
    Filed: September 15, 2022
    Publication date: January 25, 2024
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Dewen KONG, Qili SU, Meiyuan WU, Haijing LIU