KR20210119456A - 나노 결정 크기의 세륨-지르코늄-알루미늄 산화물 재료 및 이를 제조하는 방법 - Google Patents

나노 결정 크기의 세륨-지르코늄-알루미늄 산화물 재료 및 이를 제조하는 방법 Download PDF

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KR20210119456A
KR20210119456A KR1020217026432A KR20217026432A KR20210119456A KR 20210119456 A KR20210119456 A KR 20210119456A KR 1020217026432 A KR1020217026432 A KR 1020217026432A KR 20217026432 A KR20217026432 A KR 20217026432A KR 20210119456 A KR20210119456 A KR 20210119456A
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zirconium
cerium
aluminum
mixed oxide
oxide material
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Korean (ko)
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아나톨리 보툰
진 초
윤쿠웨이 리
데이비드 셰퍼드
밀라 보툰
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패서픽 인더스트리얼 디벨럽먼트 코퍼레이션
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KR1020217026432A 2019-01-29 2019-12-19 나노 결정 크기의 세륨-지르코늄-알루미늄 산화물 재료 및 이를 제조하는 방법 Pending KR20210119456A (ko)

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US201962798062P 2019-01-29 2019-01-29
US62/798,062 2019-01-29
PCT/US2019/067315 WO2020159641A1 (en) 2019-01-29 2019-12-19 Nanocrystal-sized cerium-zirconium-aluminum oxide material and method of making the same

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US (1) US12227428B2 (https=)
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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
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
CN114100594B (zh) * 2021-11-26 2023-04-11 四川大学 铈锆-铝基氧化物微纳米复合催化材料及其制备方法
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
WO2024196581A1 (en) * 2023-03-20 2024-09-26 Pacific Industrial Development Corporation Thermally stable oxygen storage material (osm) and method of making the same

Family Cites Families (14)

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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
CN100347092C (zh) 2006-04-04 2007-11-07 欧洲海赛有限公司 一种氧化锆复合物纳米晶体材料的制备方法
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US9592498B2 (en) * 2010-11-16 2017-03-14 Rhodia Operations Porous inorganic composite oxide
US9889428B2 (en) 2011-07-14 2018-02-13 Treibacher Industrie Ag Ceria zirconia alumina composition with enhanced thermal stability
US20130108530A1 (en) 2011-10-27 2013-05-02 Johnson Matthey Public Limited Company Process for producing ceria-zirconia-alumina composite oxides and applications thereof
CN102513085B (zh) * 2011-11-07 2013-07-24 上海华明高纳稀土新材料有限公司 氧化铈-氧化锆基复合氧化物及其制备方法
US20130336864A1 (en) 2012-06-15 2013-12-19 Basf Corporation Composites Of Mixed Metal Oxides For Oxygen Storage
JP5900395B2 (ja) * 2012-11-22 2016-04-06 トヨタ自動車株式会社 複合酸化物粒子及びこれを用いた排ガス浄化用触媒
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
CN103191711B (zh) 2013-04-03 2014-08-27 潮州三环（集团）股份有限公司 一种高比表面积、高储氧能力的氧化铈氧化锆基复合稀土氧化物及其制备方法
JP5883425B2 (ja) * 2013-10-04 2016-03-15 株式会社豊田中央研究所 セリア−ジルコニア系複合酸化物及びその製造方法、並びにそのセリア−ジルコニア系複合酸化物を用いた排ガス浄化用触媒
GB201518996D0 (en) * 2015-10-27 2015-12-09 Magnesium Elektron Ltd Zirconia-based compositions for use as three-way catalysts
EP3266519B1 (en) 2016-06-16 2025-11-12 Pacific Industrial Development Corporation Doped ceria-zirconia-alumina catalyst support materials with oxygen storage capacity (osc) and wash coat thereof

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