公开(公告)号：US11380939B2

公开(公告)日：2022-07-05

申请号：US16646855

申请日：2018-05-18

Applicant: GM Global Technology Operations LLC

Inventor： Qili Su ,  Dewen Kong ,  Yong Lu ,  Zhe Li

IPC: H01G11/32 ,  H01G11/06 ,  H01G11/28 ,  H01G11/52 ,  H01M10/0587 ,  H01M50/446 ,  H01M12/02 ,  H01M4/587 ,  H01M50/411 ,  H01M50/449 ,  H01M4/13 ,  H01M4/04 ,  H01M4/139 ,  H01M50/434 ,  H01M50/489 ,  H01M50/46 ,  H01M10/0525

Abstract: A hybrid lithium ion capacitor battery and method of making the same is disclosed. The hybrid lithium ion capacitor battery includes a positive electrode separated from a negative electrode by a separator layer. A first activated carbon layer is disposed between the separator layer and one of the positive and negative electrodes. The first activated carbon layer is coated on a first surface of the separator layer. A second activated carbon layer is disposed between the separator layer and the other of the positive and negative electrodes. The second activated carbon layer is coated on a second surface of the separator layer. A first current collector coextensively contacts the first electrode and a second current collector coextensively contacts the second electrode. An electrolytic solution carries lithium cations between the positive and negative electrodes through the activated carbon coated separator layer.

公开(公告)号：US20250149589A1

公开(公告)日：2025-05-08

申请号：US18677485

申请日：2024-05-29

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Yong LU ,  Zhe Li ,  Qili Su ,  Haijing LIU

IPC: H01M4/62 ,  H01M4/36 ,  H01M10/0562

Abstract: A battery cell includes A anode electrodes each including an anode active material layer including anode active material and an anode current collector, C cathode electrodes include a cathode active material layer including cathode active material and a cathode current collector, and S separators, where A, C, and S are integers greater than one. At least one of the anode active material layer of the A anode electrodes, the cathode active material layer of the C cathode electrodes, and the S separators includes a thermoplastic binder.

公开(公告)号：US20250062308A1

公开(公告)日：2025-02-20

申请号：US18480646

申请日：2023-10-04

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Qili Su ,  Zhe Li ,  Yong Lu ,  Haijing Liu

IPC: H01M4/04 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0562

Abstract: A method of manufacturing an electrode-forming slurry includes mixing together an active material, an electrically conducting material and optionally a solid state electrolyte with a low-polar solvent. The low-polar solvent has a dipole moment of less than 4 and a boiling point greater than 100° C. to form a first slurry, where the active material is an anode active material or a cathode active material. A polymeric binder and an ether-based solvent are mixed to form second slurry. The first slurry and the second slurry are mixed to form the electrode-forming slurry.

公开(公告)号：US20240274984A1

公开(公告)日：2024-08-15

申请号：US18360065

申请日：2023-07-27

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Zhe Li ,  Qili Su ,  Dave G. Rich ,  Yong Lu ,  Haijing Liu

IPC: H01M50/494 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0562 ,  H01M50/451

CPC classification number: H01M50/494 ,  H01M4/623 ,  H01M4/625 ,  H01M10/0525 ,  H01M10/0562 ,  H01M50/451 ,  H01M2300/008

Abstract: A battery cell including an anode electrode layer including an anode active material. A cathode electrode layer comprises cathode active material. A solid electrolyte layer is arranged between the anode electrode layer and the cathode electrode layer. An elastomeric layer is arranged between the anode electrode layer and the solid electrolyte layer.

公开(公告)号：US20240222599A1

公开(公告)日：2024-07-04

申请号：US18403867

申请日：2024-01-04

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Si CHEN ,  Qili Su ,  Dewen Kong ,  Haijing Liu ,  Mark W. Verbrugge

IPC: H01M4/139 ,  H01M4/36 ,  H01M4/62 ,  H01M10/0525

CPC classification number: H01M4/139 ,  H01M4/366 ,  H01M4/626 ,  H01M10/0525 ,  H01M2220/20

Abstract: A battery cell includes a cathode electrode comprising a cathode coating arranged on a cathode current collector and a separator. A dual function interlayer comprising capacitor material and lithium-ion source material is arranged one of between the cathode coating and the cathode current collector and between the cathode coating and the separator. An anode electrode is arranged adjacent to the separator and comprising an anode coating arranged on an anode current collector.

公开(公告)号：US20240154126A1

公开(公告)日：2024-05-09

申请号：US18361968

申请日：2023-07-31

Applicant: GM Global Technology Operations LLC

Inventor： Yong LU ,  Zhe Li ,  Qili Su ,  Haijing Liu

IPC: H01M4/62 ,  H01M4/04 ,  H01M4/139 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0585

CPC classification number: H01M4/623 ,  H01M4/0435 ,  H01M4/139 ,  H01M4/625 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0585 ,  H01M2004/029

Abstract: A bipolar battery cell includes a bipolar electrode including a bipolar current collector and a cathode electrode arranged on one side of the bipolar current collector. The cathode electrode includes cathode active material for exchanging lithium ions, a first solid electrolyte, and first polytetrafluoroethylene (PTFE) fibrils. An anode electrode is arranged on an opposite side of the bipolar current collector, wherein the anode electrode includes anode active material for exchanging lithium ions, a second solid electrolyte, and second PTFE fibrils.

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：US11651906B2

公开(公告)日：2023-05-16

申请号：US17069932

申请日：2020-10-14

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Qili Su ,  Haijing Liu ,  Meiyuan Wu ,  Dewen Kong ,  Mengyan Hou

IPC: H01G11/08 ,  H01G11/32 ,  H01G11/46 ,  H01G11/04

CPC classification number: H01G11/08 ,  H01G11/04 ,  H01G11/32 ,  H01G11/46

Abstract: Hybrid lithium-ion electrochemical cells include a first electrode having a first polarity and a first electroactive material that reversibly cycles lithium ions having a first maximum operational voltage and a second electrode having the first polarity with a second electroactive material having a second maximum operational voltage. A difference between the second and first maximum operational voltages defines a predetermined voltage difference. Also included are at least one third electrode including a third electroactive material that reversibly cycles lithium ions having a second polarity opposite to the first polarity, a separator, and electrolyte. A voltage modification component (e.g., diode) is in electrical communication with the first and the second electrodes. In a first operational state corresponding to charging, the at least one voltage modification component is configured to induce a voltage drop corresponding to the predetermined voltage difference providing high power density and high energy density hybrid lithium-ion electrochemical cells.

公开(公告)号：US11295901B2

公开(公告)日：2022-04-05

申请号：US16541811

申请日：2019-08-15

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Mengyan Hou ,  Haijing Liu ,  Mark W. Verbrugge ,  Xiaochao Que ,  Qili Su ,  Meiyuan Wu

IPC: H01G9/00 ,  H01G9/022 ,  H01G11/06 ,  G02F1/1523 ,  H01M10/0525 ,  H01G11/24 ,  H01G11/02

Abstract: A bipolar capacitor-assisted solid-state battery is disclosed that includes a plurality of electrochemical battery unit cells, each of which includes a negative electrode, a positive electrode, and a lithium ion-conductive electrolyte-containing separator disposed between the negative electrode and the positive electrode. The lithium ion-conductive electrolyte-containing separator of each electrochemical battery unit cell comprises a solid-state electrolyte material, and, additionally, at least one negative electrode of the electrochemical battery unit cells or at least one positive electrode of the electrochemical battery unit cells includes a capacitor material. The bipolar capacitor-assisted solid-state battery further includes a bipolar current collector disposed between a negative electrode of one electrochemical battery unit cell and a positive electrode of an adjacent electrochemical battery unit cell. A method for manufacturing the disclosed bipolar capacitor-assisted solid-state battery is also disclosed.

公开(公告)号：US20210050157A1

公开(公告)日：2021-02-18

申请号：US16541811

申请日：2019-08-15

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Mengyan Hou ,  Haijing Liu ,  Mark W. Verbrugge ,  Xiaochao Que ,  Qili Su ,  Meiyuan Wu

IPC: H01G9/022 ,  H01G9/00 ,  H01G11/06 ,  H01G11/24 ,  G02F1/1523 ,  H01M10/0525

Abstract: A bipolar capacitor-assisted solid-state battery is disclosed that includes a plurality of electrochemical battery unit cells, each of which includes a negative electrode, a positive electrode, and a lithium ion-conductive electrolyte-containing separator disposed between the negative electrode and the positive electrode. The lithium ion-conductive electrolyte-containing separator of each electrochemical battery unit cell comprises a solid-state electrolyte material, and, additionally, at least one negative electrode of the electrochemical battery unit cells or at least one positive electrode of the electrochemical battery unit cells includes a capacitor material. The bipolar capacitor-assisted solid-state battery further includes a bipolar current collector disposed between a negative electrode of one electrochemical battery unit cell and a positive electrode of an adjacent electrochemical battery unit cell. A method for manufacturing the disclosed bipolar capacitor-assisted solid-state battery is also disclosed.