公开(公告)号：US20230110889A1

公开(公告)日：2023-04-13

申请号：US17565647

申请日：2021-12-30

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Dewen KONG ,  Dave G. RICH ,  Lyall K. WINGER ,  Aaron B. BLOOM ,  Jingyuan LIU ,  Meiyuan WU ,  Haijing LIU

IPC: B60L58/26 ,  B60L58/13 ,  G01C21/34 ,  B60W20/20

Abstract: A vehicle system is provided and includes a modular dynamically allocated capacity storage system (MODACS) and an active management module. The MODACS includes blocks of cells. The active management module is configured to: detect a first state of a first block of cells of the blocks of cells; determine whether a safety fault condition exists with the first block of cells based on the first state of the first block of cells; in response to detecting existence of the safety fault condition, isolate the first block of cells from other ones of the blocks of cells; subsequent to isolating the first block of cells, actively discharge and detect a second state of the first block of cells; and based on the second state, continue isolating the first block of cells or reconnecting the first block of cells such that the first block of cells is no longer isolated.

公开(公告)号：US20220200077A1

公开(公告)日：2022-06-23

申请号：US17561031

申请日：2021-12-23

Applicant: GM Global Technology Operations LLC

Inventor： Jingyuan LIU ,  Dewen KONG ,  Dave G. RICH ,  Haijing LIU ,  Lyall K. WINGER ,  Mark W. VERBRUGGE

IPC: H01M10/615 ,  H01M50/569

Abstract: An electrochemical device according to various aspects of the present disclosure includes an electrochemical cell and an inductor coil. The electrochemical cell includes a current collector. the current collector includes an electrically-conductive material. The inductor coil is configured to generate a magnetic field. The magnetic field is configured to induce an eddy current in the current collector to generate heat in the current collector. In various aspects, the present disclosure also provides a method of internally heating an electrochemical cell. In various aspects, the present disclosure also provides a method of controlling heating of an electrochemical cell.

公开(公告)号：US20240021866A1

公开(公告)日：2024-01-18

申请号：US17941299

申请日：2022-09-09

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Zhe LI ,  Qili SU ,  Jingyuan LIU ,  Haijing LIU ,  Mark W. VERBRUGGE

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M50/449

CPC classification number: H01M10/0562 ,  H01M10/0525 ,  H01M50/449 ,  H01M2300/0068 ,  H01M2300/0077

Abstract: The present disclosure provides an electrochemical cell that cycles lithium ions. The electrochemical cell includes a first electrode, a second electrode, a separator physically separating the first and second electrodes, a solid-state interlayer disposed between the separator and the first electrode, and a liquid electrolyte disposed in each of the first electrode, the second electrode, the separator, and the solid-state interlayer. The solid-state interlayer includes a plurality of solid-state electrolyte particles. The solid-state interlayer covers greater than or equal to about 85% of a total surface area of the surface of the first electrode.

公开(公告)号：US20240014470A1

公开(公告)日：2024-01-11

申请号：US17886975

申请日：2022-08-12

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Dewen KONG ,  Jingyuan LIU ,  Haijing LIU ,  Dave G. RICH ,  Christian FAU

IPC: H01M16/00

CPC classification number: H01M16/003 ,  H01M4/131

Abstract: A battery cell comprises C electrodes each including a first current collector, first and second capacitive layers, and first and second active material layers. The first and second capacitive layers and the first and second active material layers are arranged on the first current collector. E anode electrodes include a second current collector and third and fourth active material layers arranged on the second current collector. E and C are integers greater than zero.

公开(公告)号：US20240234885A1

公开(公告)日：2024-07-11

申请号：US18358470

申请日：2023-07-25

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jingyuan LIU ,  John Christian KALIL ,  Sherman H. ZENG ,  Hadley GRIFFIN ,  Haijing Liu

IPC: H01M50/172 ,  H01M10/04 ,  H01M50/533 ,  H01M50/538

CPC classification number: H01M50/172 ,  H01M10/0459 ,  H01M50/533 ,  H01M50/538

Abstract: A battery cell comprises an electrode stack including A anode electrodes with A anode current collectors. A external tabs extend from the first side of the A anode electrodes. C cathode electrodes include C cathode current collectors and C external tabs. A separator comprises a continuous sheet interleaved between the anode electrodes and the C cathode electrodes. The A external tabs of the A anode electrodes are folded along the separator on the first side of the A anode electrodes. The C external tabs of the C cathode electrodes are folded along the separator on the second side the C cathode electrodes. The electrode stack is arranged in a housing. First and second tab positioning members including first and second external lead tabs are connected to the A external tabs and the C external tabs, respectively.

公开(公告)号：US20240072390A1

公开(公告)日：2024-02-29

申请号：US18123008

申请日：2023-03-17

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jingyuan LIU ,  Sherman H. Zeng ,  Zhe Li ,  Qili Su ,  Haijing Liu

IPC: H01M50/536 ,  H01M50/54 ,  H01M50/548

CPC classification number: H01M50/536 ,  H01M50/54 ,  H01M50/548

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.

公开(公告)号：US20240038998A1

公开(公告)日：2024-02-01

申请号：US17888613

申请日：2022-08-16

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Zhe LI ,  Dave G. RICH ,  Meiyuan WU ,  Jingyuan LIU ,  Haijing LIU

IPC: H01M4/66 ,  H01M10/0585

CPC classification number: H01M4/667 ,  H01M4/661 ,  H01M4/668 ,  H01M4/663 ,  H01M10/0585 ,  H01M2004/021

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.

公开(公告)号：US20230155113A1

公开(公告)日：2023-05-18

申请号：US17832376

申请日：2022-06-03

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jingyuan LIU ,  Haijing LIU ,  Mark W. VERBRUGGE ,  Meiyuan WU

IPC: H01M4/36 ,  H01M4/505 ,  H01M10/0525

CPC classification number: H01M4/366 ,  H01M4/505 ,  H01M10/0525 ,  H01M2004/028

Abstract: Lithium manganese oxide (LMO) particles having a substantially round shape and methods of preparing such LMO particles are provided herein. The method includes, in the presences of a catalyst, calcining (i) a lithium source and a manganese source and/or (ii) a lithium and manganese source to form the LMO particles. Examples of the lithium source include Li2CO3, LiOH, LiNO3, Li2O, and combinations thereof, and examples of the manganese source include MnO2, Mn3O4, and a combination thereof. The lithium and manganese source includes LixMn2O4, where 0.75≤x≤1.25. The catalyst includes one or more transition metal, such as a period 5 transition metal, a period 6 transition metal, a period 7 transition metal, and a combination thereof, an oxide of the one or more transition metal, a salt of the one or more transition metal, or a combination thereof.

公开(公告)号：US20250158039A1

公开(公告)日：2025-05-15

申请号：US18915027

申请日：2024-10-14

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Dewen KONG ,  Meiyuan WU ,  Yan WU ,  Jingyuan LIU ,  Haijing LIU

IPC: H01M4/36 ,  H01M4/02 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/525 ,  H01M4/62 ,  H01M10/42

Abstract: A cathode electrode includes a cathode current collector and a cathode active material layer comprising a plurality of cathode active material particles including nickel and a plurality of nano-particles that are mechanically inlaid on outer surfaces of the plurality of cathode active material particles to form a plurality of inlaid cathode active material particles.

公开(公告)号：US20240097207A1

公开(公告)日：2024-03-21

申请号：US18127129

申请日：2023-03-28

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jingyuan LIU ,  Haijing LIU ,  Mark W. VERBRUGGE

IPC: H01M10/42 ,  G01R31/382 ,  G01R31/392 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M4/583 ,  H01M10/48 ,  H01M50/51 ,  H01M50/512

CPC classification number: H01M10/4207 ,  G01R31/382 ,  G01R31/392 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/583 ,  H01M10/425 ,  H01M10/482 ,  H01M50/51 ,  H01M50/512

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.