CN113260595B - 纳米晶体级的铈-锆氧化物材料及其制备方法 - Google Patents

纳米晶体级的铈-锆氧化物材料及其制备方法 Download PDF

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CN113260595B
CN113260595B CN201980087471.1A CN201980087471A CN113260595B CN 113260595 B CN113260595 B CN 113260595B CN 201980087471 A CN201980087471 A CN 201980087471A CN 113260595 B CN113260595 B CN 113260595B
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mixed oxide
zirconium
oxide material
cerium
aging
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CN113260595A (zh
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A·博顿
D·谢泼德
J·赵
M·博顿
Y·李
W·吴
J·拉沙佩尔
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Pacific Industrial Development Corp
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/006—Compounds containing zirconium, with or without oxygen or hydrogen, and containing two or more other elements
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
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    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027—Powdering
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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    • B82Y40/00—Manufacture or treatment of nanostructures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
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CN201980087471.1A 2019-01-04 2019-12-31 纳米晶体级的铈-锆氧化物材料及其制备方法 Active CN113260595B (zh)

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US201962788154P 2019-01-04 2019-01-04
US62/788,154 2019-01-04
PCT/US2019/069037 WO2020142472A1 (en) 2019-01-04 2019-12-31 Nanocrystal-sized cerium-zirconium oxide material and method of making the same

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US (1) US12129182B2 (https=)
EP (1) EP3877337A1 (https=)
JP (1) JP2022518113A (https=)
KR (1) KR20210111251A (https=)
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Publication number Priority date Publication date Assignee Title
CN115003628A (zh) * 2020-01-28 2022-09-02 太平洋工业发展公司 具有高氧迁移的基于铈-锆氧化物的氧离子导体(czoic)材料
WO2022137910A1 (ja) * 2020-12-24 2022-06-30 三井金属鉱業株式会社 複合酸化物及びその製造方法
WO2022172584A1 (ja) * 2021-02-09 2022-08-18 三井金属鉱業株式会社 複合酸化物及びその製造方法
CN114575966B (zh) * 2022-02-24 2023-03-28 中自环保科技股份有限公司 一种汽油机颗粒捕集催化器及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998045212A1 (en) * 1997-04-04 1998-10-15 Rhodia Rare Earths Inc. CERIUM OXIDES, ZIRCONIUM OXIDES, Ce/Zr MIXED OXIDES AND Ce/Zr SOLID SOLUTIONS HAVING IMPROVED THERMAL STABILITY AND OXYGEN STORAGE CAPACITY
CN1582198A (zh) * 2001-11-01 2005-02-16 镁电子有限公司 用于制备锆－铈基混合氧化物的方法
CN103889554A (zh) * 2011-10-27 2014-06-25 庄信万丰股份有限公司 用于制备二氧化铈-氧化锆-氧化铝复合氧化物的方法及其应用
WO2017072509A1 (en) * 2015-10-27 2017-05-04 Magnesium Elektron Limited Zirconia-based compositions for use as three way catalysts

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3265534B2 (ja) * 1999-01-18 2002-03-11 株式会社豊田中央研究所 排ガス浄化用触媒
US7125536B2 (en) * 2004-02-06 2006-10-24 Millennium Inorganic Chemicals, Inc. Nano-structured particles with high thermal stability
FR2875149B1 (fr) 2004-09-15 2006-12-15 Rhodia Chimie Sa Procede de fabrication d'un filtre a particules catalyse et filtre ainsi obtenu
DK1991354T3 (da) * 2006-02-17 2020-03-16 Rhodia Recherches Et Tech Sammensætning på basis af zirconium-, cerium-, yttrium- og lanthanoxid og et yderligere sjældent jordartsmetals oxid, fremgangsmåde til fremstilling heraf og katalytisk anvendelse heraf
US9156025B2 (en) 2012-11-21 2015-10-13 SDCmaterials, Inc. Three-way catalytic converter using nanoparticles
CN103191712B (zh) * 2013-04-03 2014-12-31 潮州三环（集团）股份有限公司 一种具有良好抗老化性能、高还原活性的氧化铈氧化锆基复合稀土氧化物及其制备方法
WO2015121248A1 (en) 2014-02-11 2015-08-20 Basf Se Process of treating diesel exhaust gas using ceria-zirconia-mixed oxide particles produced by pyrolysis
DE112015006976T5 (de) 2015-09-24 2018-06-28 Honda Motor Co., Ltd. Abgasreinigungsfilter
GB2545747A (en) 2015-12-24 2017-06-28 Johnson Matthey Plc Gasoline particulate filter
CN109963648B (zh) * 2016-04-26 2022-11-01 罗地亚经营管理公司 基于铈和锆的混合氧化物
JP7403458B2 (ja) * 2018-01-08 2023-12-22 パシフィック インダストリアル デベロップメント コーポレイション 酸素貯蔵材料の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998045212A1 (en) * 1997-04-04 1998-10-15 Rhodia Rare Earths Inc. CERIUM OXIDES, ZIRCONIUM OXIDES, Ce/Zr MIXED OXIDES AND Ce/Zr SOLID SOLUTIONS HAVING IMPROVED THERMAL STABILITY AND OXYGEN STORAGE CAPACITY
CN1582198A (zh) * 2001-11-01 2005-02-16 镁电子有限公司 用于制备锆－铈基混合氧化物的方法
CN103889554A (zh) * 2011-10-27 2014-06-25 庄信万丰股份有限公司 用于制备二氧化铈-氧化锆-氧化铝复合氧化物的方法及其应用
WO2017072509A1 (en) * 2015-10-27 2017-05-04 Magnesium Elektron Limited Zirconia-based compositions for use as three way catalysts
CN108349744A (zh) * 2015-10-27 2018-07-31 镁电子有限公司 用作三元催化剂的基于氧化锆的组合物

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JP2022518113A (ja) 2022-03-14
KR20210111251A (ko) 2021-09-10
WO2020142472A1 (en) 2020-07-09
EP3877337A1 (en) 2021-09-15
CN113260595A (zh) 2021-08-13
US20210300778A1 (en) 2021-09-30

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