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    ELECTROLYTE FOR ANODE-FREE BATTERY
    1.
    发明公开
    ELECTROLYTE FOR ANODE-FREE BATTERY 审中-公开

    公开(公告)号：US20240234812A1

    公开(公告)日：2024-07-11

    申请号：US18232899

    申请日：2023-08-11

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Zhe LI ,  Qili SU ,  Haijing LIU ,  Shiguo ZHANG ,  Minghan ZHOU

    IPC: H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569

    CPC classification number: H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0028 ,  H01M2300/0091

    Abstract: An anode-free electrochemical cell that cycles lithium ions includes a positive electrode assembly having a positive current collector and a positive electroactive material layer, a negative current collector that includes a surface configured to receive a negative electroactive material after one or more formation cycles of the anode-free electrochemical cell, and a separating layer disposed between the positive electroactive material layer and the surface of the negative current collector. The separating layer includes an electrolyte that includes greater than or equal to about 20 wt. % to less than or equal to about 99.5 wt. % of a concentrated electrolyte having a lithium salt concentration greater than or equal to about 2 M to less than or equal to about 6 M, and greater than or equal to about 0.5 wt. % to less than or equal to about 80 wt. % of an ionic liquid.

    NICKEL-RICH ELECTROACTIVE MATERIALS
    2.
    发明公开
    NICKEL-RICH ELECTROACTIVE MATERIALS 审中-公开

    公开(公告)号：US20240243259A1

    公开(公告)日：2024-07-18

    申请号：US18094163

    申请日：2023-01-06

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Mengyuan CHEN ,  Zhongyi LIU ,  Bradley R. FRIEBERG ,  Xiaosong HUANG ,  Nicholas Paul William PIECZONKA

    IPC: H01M4/36 ,  C01G53/00 ,  H01M4/505 ,  H01M4/525

    CPC classification number: H01M4/366 ,  C01G53/50 ,  H01M4/505 ,  H01M4/525 ,  C01P2002/54 ,  C01P2004/86 ,  C01P2006/40

    Abstract: An electroactive material for an electrochemical cell includes one or more conductive oxygen storage material coatings or layers. The electroactive material includes a plurality of electroactive material particles disposed to form an electroactive material layer. In certain variations, at least a portion of the plurality of electroactive material particles may have a coating that includes a conductive oxygen storage material. In other variations, a conductive oxygen storage material layer may be disposed on one or more surfaces of the electroactive material layer. In still other variations, at least a portion of the plurality of electroactive material particles may have a coating that includes a conductive oxygen storage material, and a conductive oxygen storage material layer may be disposed on one or more surfaces of the electroactive material layer. The one or more conductive oxygen storage material coatings or layers may help to improve the thermal stability of the electroactive materials.

    BATTERY PACK COVER
    4.
    发明申请
    BATTERY PACK COVER 有权

    公开(公告)号：US20250167357A1

    公开(公告)日：2025-05-22

    申请号：US18516377

    申请日：2023-11-21

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Venkateshwar R. Aitharaju ,  Bhavesh Shah ,  Xiaosong Huang ,  Amogh Deo

    IPC: H01M50/162 ,  B60L50/64 ,  H01M50/15 ,  H01M50/24

    Abstract: A battery enclosure for a battery system. The system includes: a base configured to support battery cells; and a cover configured to be sealed to the base to enclose the battery cells between the base and the cover, the cover including a non-metallic composite layer and a metallic layer extending across an outer surface of the non-metallic composite layer. The metallic layer is configured to at least partially separate from the non-metallic composite layer in response to a thermal event within the battery enclosure to define an air gap between the metallic layer and the non-metallic composite layer.

    ELASTOMER GROMMET WITH FRAGMENTED GROOVE
    6.
    发明申请
    ELASTOMER GROMMET WITH FRAGMENTED GROOVE 有权

    公开(公告)号：US20250164039A1

    公开(公告)日：2025-05-22

    申请号：US18517030

    申请日：2023-11-22

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Karthick P. Ghawalkar

    IPC: F16L5/02

    Abstract: A grommet for securely engaging a component includes a resilient structure arranged along a longitudinal axis. The resilient structure includes an external surface defined by a grommet perimeter in a grommet front view. The grommet also includes a groove arranged on the external surface. The groove is configured to accept a portion of the component therein to facilitate retention of the grommet on the component. The grommet additionally includes at least one slit configured to fragment at least a part of the external surface via extending, in a grommet side view, into the groove. The slit(s) facilitate bending of the resilient structure at each respective slit to aid installation of the grommet into and/or removal from the component and minimize the risk of unintentional grommet push-out.

    IMAGE-BASED GENERATION OF DESCRIPTIVE AND PERCEPTIVE MESSAGES OF AUTOMOTIVE SCENES
    7.
    发明申请
    IMAGE-BASED GENERATION OF DESCRIPTIVE AND PERCEPTIVE MESSAGES OF AUTOMOTIVE SCENES 有权

    公开(公告)号：US20250162613A1

    公开(公告)日：2025-05-22

    申请号：US18511539

    申请日：2023-11-16

    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

    Inventor： Roy Uziel ,  Oded Bialer ,  Claudia Goldman-shenhar

    IPC: B60W60/00 ,  B60W30/095 ,  G06V20/58

    Abstract: A system includes: a traffic object detection module detecting traffic objects in an environment; an attention map highlighting module generating an attention map, highlighting relevant ones of the traffic objects or regions in which the relevant ones of the traffic objects are located; an image encoder, based on the attention map, encoding an image of the environment and generating an image embedding vector; a PLM module iteratively selecting and appending text to create a text message including selecting the text based on a score, the text message being a specific description of what is perceived in the environment; a text encoder encoding a portion of the text message created thus far to generate a text embedding vector; and a module, based on the image and text embedding vectors, to score the portion to generate the score, where the PLM module is configured to update the portion based on the score.

    SELECTIVE PERMEABILITY ROTOR STRUCTURE FOR INTERIOR PERMANENT MAGNET MACHINE
    9.
    发明申请
    SELECTIVE PERMEABILITY ROTOR STRUCTURE FOR INTERIOR PERMANENT MAGNET MACHINE 有权

    公开(公告)号：US20250158465A1

    公开(公告)日：2025-05-15

    申请号：US18509914

    申请日：2023-11-15

    Applicant: GM Global Technology Operations LLC

    Inventor： Alireza Fatemi ,  Eric C. Clough ,  Thomas W. Nehl ,  Wesley G. Zanardelli ,  David A. Smith

    IPC: H02K1/28 ,  B60K6/26 ,  H02K1/276 ,  H02K21/14

    Abstract: A radial flux electric motor includes a stator having a radially inner stator surface and stator windings arranged thereon. The motor also includes a rotor mounted inside the stator and configured to rotate relative thereto about an axis. The rotor has a rotor core constructed from a ferromagnetic material having relatively high magnetic permeability and defined by a rotor outer surface establishing an airgap between the rotor and the stator. The rotor also has a plurality of magnetic poles set in the rotor core and configured to generate magnetic flux. The rotor additionally has inserts constructed from a material having relatively low magnetic permeability in at least one geometric direction. Each insert is mechanically fixed to the rotor core to thereby control magnetic flux distribution and minimize flux leakage inside the rotor.

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