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公开(公告)号：US20240186599A1
公开(公告)日：2024-06-06
申请号：US18073021
申请日：2022-12-01
发明人： Michelle H. WIEBENGA , Rasoul Salehi , Lei Wang , Wei Li
CPC分类号： H01M10/48 , G01N33/005 , H01M10/425 , H01M10/443 , H01M50/317 , H02J7/00719
摘要： A battery monitoring system includes a hydrogen sensing system configured to selectively measure a plurality of hydrogen concentrations in a plurality of battery cells, respectively. A controller is configured to detect battery cell overtemperature in at least one of the plurality of battery cells in response to a corresponding one of the plurality of measured hydrogen concentrations of the plurality of battery cells.
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公开(公告)号：US11446637B2
公开(公告)日：2022-09-20
申请号：US16904724
申请日：2020-06-18
摘要： Bimetallic three-way catalyst devices include a support body, one or more Rh bulk deposits disposed on the support body, and a plurality of Pt atomic clusters disposed on the surface of each of the Rh bulk deposits. Substantially no Pt is deposited on the support body. At least 85% by weight of the Pt atomic clusters comprise up to 10 atoms and the maximum Pt atomic cluster size is 200 Pt atoms. The combined loading of Rh and Pt can be less than 1.5% by weight relative to the weight of the support body. The molar ratio of Rh in a bulk Rh deposit to Pt disposed on the surface of that deposit is at least 5:1.
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公开(公告)号：US10919026B2
公开(公告)日：2021-02-16
申请号：US16056894
申请日：2018-08-07
发明人： Xingcheng Xiao , Ming Yang , Gongshin Qi , Wei Li
摘要： Methods for preparing a catalyst system, include providing a catalytic substrate comprising a catalyst support having a surface with a plurality of metal catalytic nanoparticles bound thereto and physically mixing and/or electrostatically combining the catalytic substrate with a plurality of oxide coating nanoparticles to provide a coating of oxide coating nanoparticles on the surface of the catalytic nanoparticles. The metal catalytic nanoparticles can be one or more of ruthenium, rhodium, palladium, osmium, iridium, and platinum, rhenium, copper, silver, and gold. Physically combining can include combining via ball milling, blending, acoustic mixing, or theta composition, and the oxide coating nanoparticles can include one or more oxides of aluminum, cerium, zirconium, titanium, silicon, magnesium, zinc, barium, lanthanum, iron, strontium, and calcium. The catalyst support can include one or more oxides of aluminum, cerium, zirconium, titanium, silicon, magnesium, zinc, barium, iron, strontium, and calcium.
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公开(公告)号：US10562017B2
公开(公告)日：2020-02-18
申请号：US15399151
申请日：2017-01-05
发明人： Ming Yang , Gongshin Qi , Ryan J. Day , Xingcheng Xiao , Wei Li
摘要： Catalysts that are resistant to high-temperature sintering and methods for preparing such catalysts that are resistant to sintering at high temperatures are provided. The catalyst may be prepared by contacting a solution comprising an ionic species with one or more charged surface regions of a catalyst support. A surface of the catalyst support further includes one or more catalyst particles disposed adjacent to the one or more charged surface regions. The ionic species has a first charge opposite to a second charge of the one or more charged surface regions. Next, the ionic species is associated with the one or more charged surface regions to form a layer on the one or more select surface regions. The layer is calcined to generate a coating comprising metal oxide on the one or more select surface regions, where the coating is formed adjacent to the one or more catalyst particles.
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公开(公告)号：US20190321783A1
公开(公告)日：2019-10-24
申请号：US15958020
申请日：2018-04-20
发明人： Ming Yang , Lei Wang , Shouxian Ren , Wei Li
IPC分类号： B01D53/94 , B01J29/068 , B01J23/02 , B01J37/08 , B01J37/02 , B01J37/00 , B01J37/30 , F01N3/08
摘要： A nitrogen oxides (NOx) and hydrocarbon (HC) storage catalyst for treating an exhaust gas flow is provided. The NOx and HC storage catalyst includes (a) a zeolite, (b) noble metal atoms, and (c) a metal oxide, a non-metal oxide, or a combination thereof. One or more of the noble metal atoms is present in a complex with the metal oxide, the non-metal oxide or a combination thereof. The complex is dispersed within a cage of the zeolite. Methods of preparing the NOx and HC storage catalyst and methods of using the NOx and HC storage catalyst for treating an exhaust gas stream flowing from a vehicle internal combustion engine during a period following a cold-start of the engine are also provided.
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公开(公告)号：US20190309670A1
公开(公告)日：2019-10-10
申请号：US15949554
申请日：2018-04-10
发明人： Lei Wang , Gongshin Qi , Xingcheng Xiao , Wei Li
IPC分类号： F01N3/20 , B01D46/00 , B01D53/94 , B01J38/02 , B01J38/12 , F01N3/027 , F01N3/035 , H05B6/10 , H05B6/36
摘要： A component of an exhaust system is provided. The component includes a housing extending from an inlet at a first end to an outlet at an opposing second end, an electrically conductive material disposed within the housing, and an induction coil configured to emit a magnetic field. The magnetic field is operable to heat the electrically conductive material from a first temperature of greater than or equal to about −20° C. to less than or equal to about 50° C. to a second temperature of greater than or equal to about 200° C. to less than or equal to about 700° C. in a time period of less than or equal to about 20 seconds.
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公开(公告)号：US10400654B2
公开(公告)日：2019-09-03
申请号：US15881015
申请日：2018-01-26
发明人： Michelle H. Wiebenga , Shouxian Ren , Wei Li
摘要： A method for monitoring and diagnosing an engine exhaust treatment of an internal combustion engine in a motor vehicle includes monitoring a nitrogen oxides (NOx) storage catalyst disposed in an engine exhaust stream downstream of the engine, determining a first diagnostic condition of the NOx storage catalyst based on data from a first EGT sensor and a second EGT sensor; determining a second diagnostic condition of the NOx storage catalyst based on a comparison of temperatures reported by a first NOx sensor and a second NOx sensor, selectively pausing the first diagnostic condition and the second diagnostic condition during a predetermined NOx storage catalyst regeneration period, and selectively generating a notification for an operator of the motor vehicle.
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公开(公告)号：US20190257232A1
公开(公告)日：2019-08-22
申请号：US15902464
申请日：2018-02-22
发明人： Ming Yang , Ryan J. Day , Xingcheng Xiao , Gongshin Qi , Wei Li
IPC分类号： F01N3/10 , B01J23/50 , B01J23/52 , B01J23/755 , B01J23/75 , B01J23/42 , B01J23/44 , B01J23/46
摘要： Bimetallic oxidation catalyst devices include a support body, one or more metal A bulk deposits disposed on the support body, and a plurality of metal B atomic clusters disposed on the surface of each of the metal A bulk deposits. Metal A and metal B are different metals each selected from the group consisting of platinum group metals (PGM), Ag, Au, Ni, Co, and Cu, and substantially no metal B is deposited on the support body. At least 85% by weight of the metal B atomic clusters comprise up to 10 atoms and the maximum metal B atomic cluster size is 200 metal B atoms. The combined loading of metal A and metal B can be less than 1.5% by weight relative to the weight of the support body. Metal A can include Pd, Rh, Rh, or Pd, and metal B can include Pt, Pt, Ag, or Ag.
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公开(公告)号：US20180111112A1
公开(公告)日：2018-04-26
申请号：US15334109
申请日：2016-10-25
发明人： Ming Yang , Ryan J. Day , Se H. Oh , Gongshin Qi , Wei Li
CPC分类号： B01J23/78 , B01D53/944 , B01D53/945 , B01D2255/1021 , B01D2255/2022 , B01D2255/2092 , B01J37/0215 , B01J37/0236 , B01J37/024 , B01J37/08 , F01N3/2807 , F01N2370/02
摘要： A catalytic converter includes a catalyst. The catalyst includes a non-modified metal oxide support and platinum group metal (PGM) complexes atomically dispersed on the non-modified metal oxide support. The PGM complexes include a PGM species selected from the group consisting of an atom of a platinum group metal, a cluster including from 2 atoms to less than 10 atoms of the platinum group metal, and combinations thereof. An alkali metal or an alkaline earth metal is bonded to the PGM species. The alkali or alkaline earth metal is part of a structure including oxygen atoms and hydrogen atoms.
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公开(公告)号：US20170232387A1
公开(公告)日：2017-08-17
申请号：US15044444
申请日：2016-02-16
发明人： Gongshin Qi , John T. Johnson , Se H. Oh , Wei Li
CPC分类号： B01D53/945 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/204 , B01D2255/2063 , B01D2255/2073 , B01D2255/20738 , B01D2255/40 , B01D2255/402 , B01D2255/407 , B01D2255/908 , B01J23/10 , B01J23/34 , B01J23/42 , B01J23/44 , B01J23/464 , B01J23/83 , Y02A50/2324 , Y02T10/22
摘要： The present technology relates to perovskite materials for oxygen storage. In one aspect, the perovskite material includes at least one platinum group metal (PGM) andat least one perovskite compound selected from the group consisting of formula (a): LaxMO3 and formula (b): La(1-y)SryMO3, wherein: M is selected from the group consisting of Co, Cu, Fe, Mn and Ni; x is about 0.7 to about 1.1; and y is 0 to about 0.8, and wherein M, x, and y are independently variable for each one of said perovskite compounds. In one exemplary method, the perovskite materials of the technology are employed to treat automotive exhaust gas. In one embodiment, the perovskite materials are included in the washcoat of an automotive catalytic converter.
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