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公开(公告)号：US20230372909A1
公开(公告)日：2023-11-23
申请号：US17749894
申请日：2022-05-20
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Yuntao GU , Gongshin QI , Jiazhi HU , Wei LI
CPC classification number: B01J23/63 , B01J21/04 , B01J35/0013 , B01J35/1014 , B01J35/1019 , B01J35/1038 , B01J35/1042 , B01J35/1047 , B01J37/0244 , B01J37/0242 , B01J37/0228 , B01J37/0207 , B01J37/0236 , B01J37/0213 , B01D53/945 , F01N3/2803 , F01N3/2842 , B01D2255/9025 , B01D2255/1025 , B01D2255/2065 , B01D2255/9207 , B01D2255/9205 , F01N2370/02
Abstract: A layered catalyst structure for purifying an exhaust gas stream includes a catalyst support and a rhodium catalyst layer including an atomic dispersion of rhodium ions and/or rhodium atoms adsorbed on an exterior surface of the catalyst support. The catalyst support includes an alumina substrate, a first ceria layer disposed on and extending substantially continuously over the alumina substrate, and a second colloidal ceria layer formed directly on the first ceria layer over the alumina substrate.
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2.发明公开公开(公告)号：US20230142289A1
公开(公告)日：2023-05-11
申请号：US17522553
申请日：2021-11-09
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Lei WANG , Anil BIKA , Gongshin QI , Michelle H. WIEBENGA , Andrew J. GALANT , William OSAD
IPC: H01M10/48 , G01R31/392 , G01R31/367
CPC classification number: H01M10/486 , G01R31/392 , G01R31/367
Abstract: A battery cell monitoring system includes: a battery cell including an electrode stack disposed within a case; a gas sensor disposed within, attached to or connected to the case and configured to detect levels of one or more gases within the case; and a gas monitoring circuit connected to the gas sensor. The gas monitoring circuit includes: a memory that stores data collected from the gas sensor; a transceiver configured to transfer the data to a network device separate from the battery cell; and a control module that monitors the levels of one or more gases and based on the levels of the one or more gases detects (i) an issue with the battery cell during operative use of the battery cell, (ii) an issue with the battery cell during formation of the battery cell, or (iii) completion of a formation operation of the battery cell.
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公开(公告)号：US20200220234A1
公开(公告)日：2020-07-09
申请号：US16243517
申请日：2019-01-09
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Gayatri V. DADHEECH , Li YANG , Xingcheng XIAO , Gongshin QI , Vijay P. SAHARAN
IPC: H01M10/52 , H01M10/0525 , B01J29/068 , B01J37/02
Abstract: A lithium ion battery is provided that includes a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode. One or more of the separator, positive electrode, and negative electrode includes a transition metal compound capable of catalyzing any gaseous reactants formed in the lithium ion battery to form a liquid. The transition metal compound may include ruthenium (Ru). In certain variations, the lithium ion battery includes an electrolyte that is a conductive medium for lithium ions to move between the positive electrode and the negative electrode. The electrolyte comprises a transition metal compound capable of catalyzing a reaction of any gaseous reactants to form a liquid.
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4.发明公开公开(公告)号：US20240360003A1
公开(公告)日：2024-10-31
申请号：US18306910
申请日：2023-04-25
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Gongshin QI , Devendrasinh Darbar , Raneen Taha , Wei Li
IPC: C01G53/00
CPC classification number: C01G53/50 , C01G53/006 , C01P2004/90 , C01P2006/40
Abstract: A positive electrode material including a layered lithium- and manganese-rich nickel oxide (LMR) doped with an alkali metal and/or an alkaline earth metal. The positive electrode material may be manufactured by preparing a mixture comprising a transition metal carbonate, a dopant metal carbonate, and a lithium source, and then calcining the mixture to form the alkali metal and/or alkaline earth metal-doped LMR.
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公开(公告)号：US20230129069A1
公开(公告)日：2023-04-27
申请号：US17507479
申请日：2021-10-21
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Gongshin QI , Jiazhi HU
Abstract: The present disclosure provides a method of preparing a coated electroactive material. The method includes providing a plurality of particles including an electroactive material. The method further includes coating the plurality of particles with a conductive polymer. The coating includes preparing a solution of water and the conductive polymer. The coating further includes forming a slurry by combining the solution with the plurality of particles. The method further includes drying the slurry to form the coated electroactive material. The coated electroactive material includes the plurality of particles. Each of the plurality of particles is at least partially coated with the conductive polymer. In certain aspects, the present disclosure provides a method of preparing an electrode including the coated electroactive material.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20190247792A1
公开(公告)日：2019-08-15
申请号：US15894281
申请日：2018-02-12
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Shouxian REN , Gongshin QI
Abstract: A selective catalytic reduction filter (SCRF) including a wall-flow substrate having inlet channels and outlet channels is provided. A first selective catalytic reduction (SCR) catalyst zone is present in the inlet channels, and a second SCR catalyst zone is present in the outlet channels. The first SCR catalyst zone includes an iron-exchanged zeolite catalyst, and the second SCR catalyst zone includes a copper-exchanged zeolite catalyst. Exhaust gas treatment systems including the SCRF and methods of reducing production of nitrous oxide (N2O) during selective catalytic reduction of an exhaust gas stream using the SCRF are also provided herein.
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7.发明申请公开(公告)号：US20250023092A1
公开(公告)日：2025-01-16
申请号：US18352096
申请日：2023-07-13
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Gongshin QI , Chuanlong Wang , Devendrasinh Darbar , Wei Li
IPC: H01M10/0525 , H01M4/36 , H01M4/505 , H01M4/583 , H01M10/0567 , H01M10/0568 , H01M10/0569
Abstract: A battery that cycles lithium ions includes a positive electrode and an electrolyte infiltrating the positive electrode. The positive electrode includes an electroactive material comprising a lithium-and manganese-rich oxide. The electrolyte includes an organic solvent, an inorganic lithium salt, and a functional additive comprising lithium fluoride (LiF), lithium phosphate (Li3PO4), or a combination thereof.
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8.发明申请公开(公告)号：US20240372086A1
公开(公告)日：2024-11-07
申请号：US18309913
申请日：2023-05-01
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Lei WANG , Jiazhi HU , Meng JIANG , Gongshin QI , Wei LI
IPC: H01M4/505 , H01M10/0525
Abstract: A method for controlling a battery includes operating a lithium- and manganese-rich (LMR) battery within a first voltage window defined by an upper cutoff voltage threshold and a lower cutoff voltage threshold; monitoring a battery capacity of the LMR battery; and in response to the battery capacity of the LMR battery falling below a predetermined battery capacity, changing the first voltage window to a second voltage window by reducing the lower cutoff voltage threshold by a predetermined voltage value.
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9.发明公开公开(公告)号：US20240047654A1
公开(公告)日：2024-02-08
申请号：US17882936
申请日：2022-08-08
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Gongshin QI , Lei WANG
CPC classification number: H01M4/366 , H01M4/525 , H01M4/505 , H01M4/485 , H01M2004/028
Abstract: An electroactive material for an electrochemical cell is provided. The electroactive material includes a plurality of lithium-rich, manganese-rich layered electroactive material particles, where at least a portion of the lithium-rich, manganese-rich layered electroactive material particles defining the plurality has a coating that includes an oxygen storage material. The coating that includes the oxygen storage material has an average thickness greater than or equal to about 100 nanometers to less than or equal to about 2 micrometers, and the oxygen storage material is selected from the group consisting of: La(1-x)SrxMnO3 (where 0≤x≤0.3), La(1-x)SrxFeO3 (where 0≤x≤0.3), La(1-x)CaxMnO3 (where 0≤x≤0.3), La(1-x)BaxMnO3 (where 0≤x≤0.3), LaMnO3, LaFeO3, LaMnO3, LaFeO3, CeO2, CeO2—MnOx (where 3≤x≤4), CeO2—FeOx (where 2≤x≤3), CeO2—WO3, CeO2—MoO6, and combinations thereof.
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10.发明申请公开(公告)号：US20230048577A1
公开(公告)日：2023-02-16
申请号：US17387155
申请日：2021-07-28
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Gongshin QI , Wei LI
Abstract: A lithium transition metal oxide electrode including an additional metal is provided herein as well electrochemical cells including the lithium transition metal oxide electrode and methods of making the lithium transition metal oxide electrode. The lithium transition metal oxide electrode includes a first electroactive material including Li1+aNibMncMdO2, where 0.05≤a≤0.6; 0.01≤b≤0.5; 0.1≤c≤0.9; zero (0)≤d≤0.3; b+c+d=1 or a+b+c+d=1; and M represents an additional metal, such as W, Mo, V, Zr, Nb, Ta, Fe, Al, Mg, Si, or a combination thereof.
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