JP4165442B2 - 金属酸化物粒子及びその製造方法、並びに排ガス浄化触媒 - Google Patents

金属酸化物粒子及びその製造方法、並びに排ガス浄化触媒 Download PDF

Info

Publication number
JP4165442B2
JP4165442B2 JP2004131619A JP2004131619A JP4165442B2 JP 4165442 B2 JP4165442 B2 JP 4165442B2 JP 2004131619 A JP2004131619 A JP 2004131619A JP 2004131619 A JP2004131619 A JP 2004131619A JP 4165442 B2 JP4165442 B2 JP 4165442B2
Authority
JP
Japan
Prior art keywords
metal oxide
particles
sol
colloidal
ceria
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2004131619A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005313029A (ja
Inventor
真秀 三浦
央志 久野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP2004131619A priority Critical patent/JP4165442B2/ja
Priority to CNA2005800134289A priority patent/CN1972871A/zh
Priority to PCT/JP2005/008464 priority patent/WO2005102933A2/fr
Priority to EP05739092A priority patent/EP1771383A2/fr
Publication of JP2005313029A publication Critical patent/JP2005313029A/ja
Application granted granted Critical
Publication of JP4165442B2 publication Critical patent/JP4165442B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • 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
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/63—Platinum group metals with rare earths or actinides
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
    • B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G1/00—Methods of preparing compounds of metals not covered by subclasses C01B, C01C, C01D, or C01F, in general
    • C01G1/02—Oxides
    • 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
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • B01D2255/407—Zr-Ce mixed oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/92—Dimensions
    • B01D2255/9202—Linear dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/92—Dimensions
    • B01D2255/9207—Specific surface
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Composite Materials (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Exhaust Gas After Treatment (AREA)
JP2004131619A 2004-04-27 2004-04-27 金属酸化物粒子及びその製造方法、並びに排ガス浄化触媒 Expired - Fee Related JP4165442B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2004131619A JP4165442B2 (ja) 2004-04-27 2004-04-27 金属酸化物粒子及びその製造方法、並びに排ガス浄化触媒
CNA2005800134289A CN1972871A (zh) 2004-04-27 2005-04-27 金属氧化物粒子、其制造方法及废气净化用催化剂
PCT/JP2005/008464 WO2005102933A2 (fr) 2004-04-27 2005-04-27 Particule d’oxyde métallique, processus de production de celle-ci et catalyseur de purification des gaz d’évacuation
EP05739092A EP1771383A2 (fr) 2004-04-27 2005-04-27 Particule d"oxyde métallique, processus de production de celle-ci et catalyseur de purification des gaz d"évacuation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004131619A JP4165442B2 (ja) 2004-04-27 2004-04-27 金属酸化物粒子及びその製造方法、並びに排ガス浄化触媒

Publications (2)

Publication Number Publication Date
JP2005313029A JP2005313029A (ja) 2005-11-10
JP4165442B2 true JP4165442B2 (ja) 2008-10-15

Family

ID=35064471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004131619A Expired - Fee Related JP4165442B2 (ja) 2004-04-27 2004-04-27 金属酸化物粒子及びその製造方法、並びに排ガス浄化触媒

Country Status (4)

Country Link
EP (1) EP1771383A2 (fr)
JP (1) JP4165442B2 (fr)
CN (1) CN1972871A (fr)
WO (1) WO2005102933A2 (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4165419B2 (ja) 2004-03-09 2008-10-15 トヨタ自動車株式会社 金属酸化物粒子及び排ガス浄化触媒の製造方法
WO2005102523A1 (fr) 2004-04-27 2005-11-03 Toyota Jidosha Kabushiki Kaisha Processus de production d’une particule d’oxyde métallique et un catalyseur de purification des gaz d’évacuation
JP4165443B2 (ja) 2004-04-27 2008-10-15 トヨタ自動車株式会社 金属酸化物粒子の製造方法、及び排ガス浄化触媒
JP4179299B2 (ja) 2005-03-23 2008-11-12 トヨタ自動車株式会社 触媒担体粉末及び排ガス浄化触媒
CN101163537B (zh) * 2005-04-11 2011-12-14 本田技研工业株式会社 用于催化还原氮氧化物的催化剂、催化剂结构体和用于催化还原氮氧化物的方法
JP2007268460A (ja) 2006-03-31 2007-10-18 Toyota Motor Corp 金属酸化物触媒担体粒子、及び排ガス浄化触媒
JP5092281B2 (ja) * 2006-05-26 2012-12-05 株式会社豊田中央研究所 排ガス浄化装置
US7670679B2 (en) * 2006-05-30 2010-03-02 General Electric Company Core-shell ceramic particulate and method of making
JP4175387B2 (ja) * 2006-05-31 2008-11-05 トヨタ自動車株式会社 排ガス浄化触媒製造方法
US8993475B2 (en) 2006-07-06 2015-03-31 Cataler Corporation Oxygen storage material
JP4265626B2 (ja) * 2006-07-12 2009-05-20 トヨタ自動車株式会社 触媒担体粒子及びその製造方法、並びに排ガス浄化触媒
DE102007020962A1 (de) * 2007-05-04 2008-11-06 Robert Bosch Gmbh Beschichtung keramischer Träger
JP2008289971A (ja) 2007-05-23 2008-12-04 Toyota Motor Corp コアシェル構造体及びその製造方法並びに当該コアシェル構造体を含む排ガス浄化用触媒
JP2009045545A (ja) * 2007-08-20 2009-03-05 Denso Corp 触媒構造体及びそれを用いた触媒体
JP5034871B2 (ja) * 2007-10-30 2012-09-26 マツダ株式会社 排ガス成分浄化用触媒材及び同触媒材付パティキュレートフィルタ
US8187548B2 (en) 2007-10-30 2012-05-29 Mazda Motor Corporation Catalyst-supported particulate filter
JP5465843B2 (ja) * 2008-05-23 2014-04-09 トヨタ自動車株式会社 コアシェル構造体の製造方法及びそれにより製造されたコアシェル構造体を含む排ガス浄化用触媒
JP5465842B2 (ja) * 2008-05-23 2014-04-09 トヨタ自動車株式会社 コアシェル構造体及び当該コアシェル構造体を含む排ガス浄化用触媒
JP5320426B2 (ja) 2011-04-04 2013-10-23 トヨタ自動車株式会社 排ガス浄化触媒および排ガス浄化装置
JP5805986B2 (ja) 2011-04-22 2015-11-10 三井金属鉱業株式会社 内燃機関排気ガス浄化用触媒のための担体
JP2013203639A (ja) * 2012-03-29 2013-10-07 Admatechs Co Ltd 複合酸化物粉末
JP5887574B2 (ja) * 2012-08-03 2016-03-16 株式会社ノリタケカンパニーリミテド 自動車排ガス浄化用助触媒材およびその製造方法
JP6050703B2 (ja) * 2013-03-08 2016-12-21 株式会社キャタラー 排ガス浄化用触媒
KR20190003799A (ko) * 2016-05-26 2019-01-09 바스프 코포레이션 코어/쉘 촉매 입자 및 이의 제조 방법
US9914095B1 (en) * 2017-02-08 2018-03-13 Ford Global Technologies, Llc Catalyst for automotive emissions control
WO2019043346A1 (fr) 2017-09-01 2019-03-07 Rhodia Operations Oxyde mixte a base de cerium et de zirconium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3956733B2 (ja) * 2002-03-22 2007-08-08 トヨタ自動車株式会社 排ガス浄化触媒用セリウム−ジルコニウム複合金属酸化物
JP2004074138A (ja) * 2002-06-17 2004-03-11 Toyota Motor Corp 排ガス浄化用触媒及び排ガス浄化方法
JP3797313B2 (ja) * 2002-10-28 2006-07-19 トヨタ自動車株式会社 金属酸化物粒子の製造法及び排ガス浄化用触媒

Also Published As

Publication number Publication date
EP1771383A2 (fr) 2007-04-11
WO2005102933A2 (fr) 2005-11-03
JP2005313029A (ja) 2005-11-10
CN1972871A (zh) 2007-05-30
WO2005102933A3 (fr) 2006-01-12

Similar Documents

Publication Publication Date Title
JP4165442B2 (ja) 金属酸化物粒子及びその製造方法、並びに排ガス浄化触媒
JP4165443B2 (ja) 金属酸化物粒子の製造方法、及び排ガス浄化触媒
JP4179299B2 (ja) 触媒担体粉末及び排ガス浄化触媒
KR100881300B1 (ko) 금속 산화물 입자의 제조 공정 및 배기 가스 정화용 촉매
JP5147687B2 (ja) 排ガス浄化触媒及びその製造方法
US20070197373A1 (en) Zirconia core particles coated with ceria particles, production process thereof and exhaust gas purifying catalyst
JP3861303B2 (ja) 排ガス浄化用触媒
EP1742733B1 (fr) Procede de production d'un catalyseur de purification des gaz dévacuation
JP2007268460A (ja) 金属酸化物触媒担体粒子、及び排ガス浄化触媒
JP4265626B2 (ja) 触媒担体粒子及びその製造方法、並びに排ガス浄化触媒
US7632776B2 (en) Exhaust gas purifying catalyst and production process thereof
JP4123185B2 (ja) 金属酸化物粒子の製造方法
JP3799466B2 (ja) 排ガス浄化用触媒
JP4810907B2 (ja) 触媒担体及びその製造方法、並びに排ガス浄化触媒
JPH0582258B2 (fr)
JP2006169021A (ja) 複合酸化物とその製造方法及び排ガス浄化用触媒
JP4665458B2 (ja) 排ガス浄化触媒及びその製造方法
JP4843107B2 (ja) 排ガス浄化触媒の再生処理方法

Legal Events

Date Code Title Description
A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080401

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080530

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080708

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20080721

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110808

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110808

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120808

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130808

Year of fee payment: 5

LAPS Cancellation because of no payment of annual fees