公开(公告)号：US20240191318A1

公开(公告)日：2024-06-13

申请号：US18076693

申请日：2022-12-07

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Diptak BHATTACHARYA ,  Hassan GHASSEMI-ARMAKI ,  Andrew Clay BOBEL ,  Anil K. SACHDEV

IPC: C21D9/46 ,  B32B15/01 ,  C21D8/02 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06

CPC classification number: C21D9/46 ,  B32B15/011 ,  C21D8/0205 ,  C21D8/0236 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008

Abstract: A gradient steel includes a first layer, a second layer near a first surface of the first layer, and a third layer near a second surface of the first layer. The first layer includes a first ferrite phase volume. The second and third layers include a second ferrite phase volume greater than the first ferrite phase volume. The gradient steel may also include a fourth layer near the second layer and a fifth layer near the third layer. The fourth and fifth layers may each include a third ferrite phase volume greater than the second ferrite phase volume. The gradient steel may also include a sixth layer near the fourth layer and a seventh layer near the fifth layer. The sixth and seventh layers may each include a fourth ferrite phase volume greater than the third ferrite phase volume.

公开(公告)号：US20240038209A1

公开(公告)日：2024-02-01

申请号：US17873278

申请日：2022-07-26

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Song HE ,  Arianna T. MORALES ,  Anil K. SACHDEV ,  Pavan Kumar PATRUNI ,  Hung-yih Isaac DU

IPC: G10K11/162 ,  B60R13/08

CPC classification number: G10K11/162 ,  B60R13/0815

Abstract: A damping panel includes a first metal and a second metal. The first metal has a first surface and a second surface opposite the first surface. The second metal portion has a third surface and a fourth surface opposite the third surface. A fixed region is where the second surface of the first metal is fixed to the third surface of the second metal. A non-fixed region is where the second surface is not fixed to the third surface. A cavity is disposed between the second surface and the third surface at the non-fixed region. A damping material is disposed on at least one of: at least a portion of the cavity on the second surface, at least a portion of the cavity on the third surface, at least a portion of the first surface, and at least a portion of the fourth surface.

公开(公告)号：US20230326444A1

公开(公告)日：2023-10-12

申请号：US17718964

申请日：2022-04-12

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Anil K. SACHDEV ,  Arianna T. Morales ,  Song He

IPC: G10K11/168 ,  B23P15/00

CPC classification number: G10K11/168 ,  B23P15/00

Abstract: A cover for a housing includes a cast plate-like member having a top side and a bottom side with a plurality of raised ribs on the bottom side, the plurality of raised ribs defining a plurality of spaces therebetween. A noise insulating material is provided in at least some of the plurality of spaces. A sheet metal plate is adhered to a top of the plurality of raised ribs by an adhesive.

公开(公告)号：US20230029479A1

公开(公告)日：2023-02-02

申请号：US17388799

申请日：2021-07-29

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Andrew Clay BOBEL ,  Louis G. HECTOR, JR. ,  Erik Brandon GOLM ,  Charles E. JENSEN ,  Charles W. TOOHY ,  Mohamed DARSOT ,  Zachary S. MENDLA ,  Anil K. SACHDEV

IPC: B62D25/20 ,  B62D27/02 ,  B60R16/04 ,  B62D27/06 ,  B60R13/08

Abstract: A structural assembly includes a frame and a plurality of panels. The frame includes a wall that at least partially defines an interior region. The plurality of panels is disposed at least partially in the interior region and is coupled to the frame. The plurality of panels includes a first panel and a second panel. The first panel includes a first surface and a second surface opposite the first surface. The first surface defines a first plurality of depressions and the second surface defines a first plurality of protrusions complementary to the first plurality of depressions. The second panel includes a third surface and a fourth surface opposite the third surface. The third surface defines a second plurality of depressions. The fourth surface defines a second plurality of protrusions complementary to the first plurality of depressions. The first panel is coupled to the second panel.

公开(公告)号：US20250140775A1

公开(公告)日：2025-05-01

申请号：US18494203

申请日：2023-10-25

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Sayed Youssef Sayed NAGY ,  Diptak BHATTACHARYA ,  Caleb REESE ,  Anil K. SACHDEV

IPC: H01M4/04 ,  H01M4/02 ,  H01M4/1395 ,  H01M4/36 ,  H01M4/38 ,  H01M4/48 ,  H01M4/66 ,  H01M4/74

Abstract: A method for manufacturing a battery cell includes coating a three dimensional current collector (3DCC) with a lithiophilic metal oxide layer; and one of laminating the 3DCC with the lithiophilic metal oxide layer between a first lithium metal layer and a second lithium metal layer to create an anode electrode; and coating the 3DCC with the lithiophilic metal oxide layer with molten lithium to create an anode electrode.

公开(公告)号：US20250105242A1

公开(公告)日：2025-03-27

申请号：US18474704

申请日：2023-09-26

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Anil K. SACHDEV ,  Xiaosong HUANG ,  Mark W. VERBRUGGE ,  John P. HEALY

IPC: H01M4/04 ,  H01M4/02 ,  H01M4/36 ,  H01M4/38 ,  H01M4/74 ,  H01M10/0565 ,  H01M50/46

Abstract: A method for manufacturing an anode electrode includes providing a first substrate, a second substrate, and an anode current collector. The method includes forming a first lithium metal layer on the first substrate and a second lithium metal layer on the second substrate. The method includes pressing the first lithium metal layer and the second lithium metal layer into the anode current collector to form an anode electrode.

公开(公告)号：US20250062465A1

公开(公告)日：2025-02-20

申请号：US18449016

申请日：2023-08-14

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Diptak BHATTACHARYA ,  Anil K. SACHDEV ,  Ryan Patrick HICKEY

IPC: H01M50/209 ,  H01M10/04 ,  H01M10/653 ,  H01M10/6555 ,  H01M50/236

Abstract: A battery cell includes a battery cell stack including A anode electrodes, C cathode electrodes, and S separators, where A, C, and S are integers greater than one. A double-walled prismatic enclosure is configured to house the battery cell stack including a can body including an inner enclosure, an outer enclosure, and a gap between the inner enclosure and the outer enclosure. The battery cell stack is arranged in the inner enclosure. The outer enclosure of the can body defines a first opening and a second opening at opposite ends thereof. A first lid portion is attached to the first opening of the outer enclosure. A first bottom portion is attached to the second opening of the outer enclosure.

公开(公告)号：US20250062447A1

公开(公告)日：2025-02-20

申请号：US18449006

申请日：2023-08-14

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Diptak BHATTACHARYA ,  Anil K. SACHDEV ,  Seung-Woo CHU ,  Mark W. VERBRUGGE ,  Ryan Patrick HICKEY

IPC: H01M50/103 ,  H01M10/613 ,  H01M10/647 ,  H01M10/653 ,  H01M10/658 ,  H01M50/119 ,  H01M50/166 ,  H01M50/169 ,  H01M50/176 ,  H01M50/209 ,  H01M50/548

Abstract: A battery cell including a can body of an enclosure comprising a sheet of metal that is folded into an open cylindrical shape and welded. The can body includes a first opening and a second opening at opposite ends of the can body. The can body is configured to receive a battery cell stack. A lid portion of the enclosure is attached to the first opening of the can body. A bottom portion of the enclosure is attached to the second opening of the can body.

公开(公告)号：US20230264602A1

公开(公告)日：2023-08-24

申请号：US17848433

申请日：2022-06-24

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jian YAO ,  Chengwu DUAN ,  Ming LIU ,  Chih-hung YEN ,  Anil K. SACHDEV

IPC: B60L58/26 ,  B60L50/64 ,  B60L50/60

CPC classification number: B60L58/26 ,  B60L50/64 ,  B60L50/66 ,  B60L2240/425 ,  B60L2240/525 ,  B60L2240/545

Abstract: A cooling system includes a housing configured to enclose an electric vehicle component immersed in cooling fluid and to define a first volume. A variable volume member defines a second volume that varies in response to a first signal. A combined volume is defined by the first volume and the second volume. Heat causes the cooling fluid to transition between a liquid state and a vapor state in the combined volume. A pressure sensor is configured to sense a pressure in the combined volume. A condenser is configured to cause the cooling fluid to transition from the vapor state back to the liquid state. A controller includes a volume adjustment module configured to generate the first signal to vary the second volume of the variable volume member to adjust the combined volume in response to the pressure and a first temperature of the electric vehicle component.

公开(公告)号：US20230140811A1

公开(公告)日：2023-05-04

申请号：US17516463

申请日：2021-11-01

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Anil K. SACHDEV ,  Louis G. HECTOR, JR. ,  Andrew Clay BOBEL ,  Arianna T. MORALES

IPC: B21B15/00 ,  B21B3/00 ,  H01M4/04

Abstract: The present disclosure provides a method of preparing a metal sheet. The method includes extruding a component along an extrusion axis. The component has a wall at least partially defining an interior region. The component includes a metal. The method further includes unfurling the wall to form a sheet precursor. The sheet precursor has a first thickness and a first transverse dimension. The method further includes rolling the sheet precursor along a rolling axis to form the metal sheet. The metal sheet has a second thickness perpendicular to the rolling axis. The second thickness is less than the first thickness. The second transverse dimension is parallel to the rolling axis. The second transverse dimension is greater than the first transverse dimension. In certain aspects, the metal includes lithium and the metal sheet is a lithium metal electrode.