公开(公告)号：US20240234953A1

公开(公告)日：2024-07-11

申请号：US18094138

申请日：2023-01-06

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xingcheng Xiao ,  Mei Cai ,  Sherman H. Zeng

IPC: H01M50/457 ,  H01M10/0525

CPC classification number: H01M50/457 ,  H01M10/0525

Abstract: A coated polymer separator for a battery cell is provided. The coated polymer separator includes a polymer separator including a first primary surface and a second primary surface. The coated polymer separator further includes a ceramic-based composite coating disposed on the first primary surface and the second primary surface. The ceramic-based composite coating includes lithiated zeolite particles and particles of a second ceramic material including an oxide.

公开(公告)号：US11951465B2

公开(公告)日：2024-04-09

申请号：US16454709

申请日：2019-06-27

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xingcheng Xiao ,  Gongshin Qi ,  Ryan J. Day ,  Ming Yang

IPC: B01J37/03 ,  B01J23/42 ,  B01J23/44 ,  B01J35/00 ,  B01J37/08 ,  B01J37/18

CPC classification number: B01J37/035 ,  B01J23/42 ,  B01J23/44 ,  B01J35/0013 ,  B01J35/0086 ,  B01J37/08 ,  B01J37/18

Abstract: Catalyst systems that are resistant to high-temperature sintering and methods for preparing such catalyst systems that are resistant to sintering at high temperatures are provided. Methods of forming such catalyst systems include contacting a support having a surface including a catalyst particle with a solution comprising a metal salt and having an acidic pH. The metal salt is precipitated onto the surface of the support. Next, the metal salt is calcined to selectively generate a porous coating of metal oxide on the surface of the support distributed around the catalyst particle.

公开(公告)号：US20230378609A1

公开(公告)日：2023-11-23

申请号：US17750773

申请日：2022-05-23

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Sherman H. Zeng ,  Xingcheng Xiao

IPC: H01M50/457 ,  H01M50/434

CPC classification number: H01M50/457 ,  H01M50/434 ,  H01M2220/20

Abstract: A system including a lithium-ion battery is provided. The system includes two electrodes, which include an anode and a cathode. The system further includes an electrolyte and a planar separator disposed between the anode and the cathode. The planar separator includes a first planar face, a second planar face, a layer of porous ceramic material coating the first planar face, and lithium deposited upon the layer of porous ceramic material. The lithium is in contact with one of the two electrodes.

公开(公告)号：US11749832B2

公开(公告)日：2023-09-05

申请号：US16689748

申请日：2019-11-20

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xingcheng Xiao ,  Xingyi Yang ,  Mark W. Verbrugge ,  Raghunathan K ,  Qinglin Zhang

IPC: H01M10/0525 ,  H01M4/485 ,  H01M4/525 ,  H01M10/058 ,  H01M4/13 ,  H01M4/139 ,  H01M50/105 ,  C01G53/00 ,  H01M10/0562

CPC classification number: H01M10/0525 ,  C01G53/50 ,  H01M4/13 ,  H01M4/139 ,  H01M4/485 ,  H01M4/525 ,  H01M10/058 ,  H01M10/0562 ,  H01M50/105

Abstract: Lithiated electrodes, electrochemical cells including lithiated electrodes, and methods of making the same are provided. The method includes lithiating at least one electrode in an electrochemical cell by applying current across a first current collector of the at least one electrode to a second current collector of an auxiliary electrode. The electrochemical cell may be disposed within a battery packaging and the auxiliary electrode may be disposed within the battery packaging adjacent to an edge of the electrochemical cell. The at least one electrode may include a first electroactive layer disposed on or near one or more surfaces of the first current collector, and the auxiliary electrode may include a second electroactive layer disposed at or near one or more surfaces of the second current collector. The method may further include extracting the auxiliary electrode from the battery packaging and sealing the battery packaging, which includes the pre-lithiated electrochemical cell.

公开(公告)号：US20230061023A1

公开(公告)日：2023-03-02

申请号：US17459224

申请日：2021-08-27

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Yun Cai ,  Xingcheng Xiao ,  Bin Li

IPC: H01M50/581 ,  H01M50/249

Abstract: A battery cell includes an inner plastic layer, an outer plastic layer, and a middle metal layer. The inner and outer plastic layers extends along at least three of sides of the battery cell. The middle metal layer is disposed between the inner and outer plastic layers. The middle metal layer extends along the at least three sides of the battery cell and projects from at least a fourth side of the battery cell to form at least one heat dissipation tab. The at least one heat dissipation tab is configured to transfer heat to at least one cooling plate through thermal conduction. The fourth side of the battery cell connects two of the at least three sides to one another.

公开(公告)号：US20230030003A1

公开(公告)日：2023-02-02

申请号：US17386745

申请日：2021-07-28

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Sherman H. Zeng ,  Xingcheng Xiao ,  Mei Cai ,  Scott W. Lananna ,  Yangbing Zeng

IPC: H01M10/659 ,  H01M10/6554 ,  H01M10/613 ,  H01M10/6551 ,  H01M10/625 ,  H01M50/204 ,  H01M50/249

Abstract: A battery module includes a plurality of battery cells and a thermal energy storage member in thermal contact with the plurality of battery cells. The thermal energy storage member includes an adsorption chamber and an adsorbent material disposed within the adsorption chamber. The adsorbent material is configured to receive thermal energy generated by the plurality of battery cells during charging and discharge of the plurality of battery cells. The thermal energy received by the adsorbent material during charging and discharge of the plurality of battery cells regenerates the adsorbent material and transitions the adsorbent material from an energy released state, in which an adsorbate is physically adsorbed on surfaces of the adsorbent material, to an energy storage state, in which the adsorbent material is substantially free of the adsorbate.

公开(公告)号：US20220407126A1

公开(公告)日：2022-12-22

申请号：US17353027

申请日：2021-06-21

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jing Gao ,  Xingcheng Xiao ,  Brian J. Koch

IPC: H01M10/44 ,  H01M10/48 ,  H01M10/0525

Abstract: A method of reforming a negative electrode layer of a secondary lithium battery may include execution of a reforming cycle that reforms a major facing surface of the negative electrode layer by eliminating at least a portion of a lithium dendrite or other lithium-containing surface irregularity that has formed on the major facing surface of the negative electrode layer.

公开(公告)号：US20220302459A1

公开(公告)日：2022-09-22

申请号：US17205574

申请日：2021-03-18

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xingyi Yang ,  Xingcheng Xiao ,  Joel G. Toner

IPC: H01M4/66 ,  H01M10/052 ,  H01M10/058 ,  H01M10/44 ,  H01M4/04 ,  H01M4/139 ,  H01M4/38

Abstract: A negative electrode for a secondary lithium battery is provided herein, as well as a method for assembling a secondary lithium battery including the negative electrode. The negative electrode includes a current collector having a first side and an opposite second side. A first negative electrode layer is disposed on the first side of the current collector and a second negative electrode layer is disposed on the second side of the current collector. A lithium metal layer is disposed (i) between the first and second negative electrode layers or (ii) on a major facing surface of the first or second negative electrode layer. An electrolyte infiltrates the first and second negative electrode layers and is in contact with the lithium metal layer. The electrolyte establishes a lithium ion transport path between the lithium metal layer and at least one of the first or second negative electrode layers.

公开(公告)号：US20220199970A1

公开(公告)日：2022-06-23

申请号：US17128974

申请日：2020-12-21

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xingcheng Xiao ,  Mengyuan Chen ,  Qinglin Zhang ,  Mei Cai

IPC: H01M4/1395 ,  H01M10/052 ,  H01M4/134 ,  H01M4/66 ,  H01M4/38 ,  H01M4/62 ,  H01M4/36 ,  H01M4/04

Abstract: A negative electrode for an electrochemical cell of a secondary lithium metal battery is manufactured by a method in which a precursor solution is applied to a major surface of a lithium metal substrate to form a precursor coating thereon. The precursor solution includes an organophosphate, a nonpolar organic solvent, and a lithium-containing inorganic ionic compound dissolved therein. At least a portion of the nonpolar organic solvent is removed from the precursor coating to form a protective interfacial layer on the major surface of the lithium metal substrate. The protective interfacial layer exhibits a composite structure including a carbon-based matrix component and a lithium-containing dispersed component. The lithium-containing dispersed component is embedded in the carbon-based matrix component and includes a plurality of lithium-containing inorganic ionic compounds, e.g., lithium phosphate (Li3PO4) and lithium nitrate (LiNO3).

公开(公告)号：US11063248B2

公开(公告)日：2021-07-13

申请号：US15988487

申请日：2018-05-24

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Xingcheng Xiao ,  Mei Cai

IPC: H01M4/1395 ,  H01M10/052 ,  H01M4/134 ,  H01M4/38 ,  H01M4/62 ,  H01M4/02 ,  B82Y30/00 ,  B82Y40/00

Abstract: Methods of removing a passivation layer on a lithium-containing electrode and preparing a protective coating on the lithium-containing electrode by applying a graphene source are provided herein. A lithium-containing electrode with the protective coating including graphene and lithium-containing electrochemical cells including the same are also provided herein.