JP2015182932A - セリウム−ジルコニウム系複合酸化物及びその製造方法 - Google Patents
セリウム−ジルコニウム系複合酸化物及びその製造方法 Download PDFInfo
- Publication number
- JP2015182932A JP2015182932A JP2014062334A JP2014062334A JP2015182932A JP 2015182932 A JP2015182932 A JP 2015182932A JP 2014062334 A JP2014062334 A JP 2014062334A JP 2014062334 A JP2014062334 A JP 2014062334A JP 2015182932 A JP2015182932 A JP 2015182932A
- Authority
- JP
- Japan
- Prior art keywords
- cerium
- zirconium
- composite oxide
- oxide
- osc
- 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.)
- Pending
Links
- RCFVMJKOEJFGTM-UHFFFAOYSA-N cerium zirconium Chemical compound [Zr].[Ce] RCFVMJKOEJFGTM-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 239000002131 composite material Substances 0.000 title claims description 167
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000001301 oxygen Substances 0.000 claims abstract description 60
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 60
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000010438 heat treatment Methods 0.000 claims abstract description 58
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 56
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 40
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 40
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 36
- 239000013078 crystal Substances 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 40
- 239000007858 starting material Substances 0.000 claims description 33
- 238000002844 melting Methods 0.000 claims description 28
- 230000008018 melting Effects 0.000 claims description 28
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 26
- 239000000843 powder Substances 0.000 claims description 24
- 238000002441 X-ray diffraction Methods 0.000 claims description 20
- 239000000155 melt Substances 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 17
- 238000010298 pulverizing process Methods 0.000 claims description 10
- 229910052746 lanthanum Inorganic materials 0.000 claims description 8
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 7
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 7
- 229910052791 calcium Inorganic materials 0.000 claims description 7
- 239000011575 calcium Substances 0.000 claims description 7
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- 229910052779 Neodymium Inorganic materials 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 239000011777 magnesium Substances 0.000 claims description 6
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 229910052727 yttrium Inorganic materials 0.000 claims description 5
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 5
- 238000000746 purification Methods 0.000 abstract description 29
- 239000007789 gas Substances 0.000 abstract description 26
- 238000010521 absorption reaction Methods 0.000 abstract description 12
- 239000002994 raw material Substances 0.000 description 68
- 238000012360 testing method Methods 0.000 description 31
- 239000003054 catalyst Substances 0.000 description 29
- 229910000420 cerium oxide Inorganic materials 0.000 description 21
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical group [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 21
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 21
- 229910001928 zirconium oxide Inorganic materials 0.000 description 21
- 230000000052 comparative effect Effects 0.000 description 19
- 230000003197 catalytic effect Effects 0.000 description 18
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 18
- 239000012298 atmosphere Substances 0.000 description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 13
- 229910052799 carbon Inorganic materials 0.000 description 13
- 239000000126 substance Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 11
- 238000005259 measurement Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 238000006722 reduction reaction Methods 0.000 description 7
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000010583 slow cooling Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 4
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium nitrate Inorganic materials [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 229910052712 strontium Inorganic materials 0.000 description 3
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- 229910052689 Holmium Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910052765 Lutetium Inorganic materials 0.000 description 2
- 229910052773 Promethium Inorganic materials 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 2
- 229910052771 Terbium Inorganic materials 0.000 description 2
- 229910052775 Thulium Inorganic materials 0.000 description 2
- 229910052769 Ytterbium Inorganic materials 0.000 description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 150000001649 bromium compounds Chemical class 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 2
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 2
- 229910000449 hafnium oxide Inorganic materials 0.000 description 2
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 2
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 description 2
- 150000002823 nitrates Chemical class 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- VQMWBBYLQSCNPO-UHFFFAOYSA-N promethium atom Chemical compound [Pm] VQMWBBYLQSCNPO-UHFFFAOYSA-N 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 2
- 229910052706 scandium Inorganic materials 0.000 description 2
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 2
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 2
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 2
- 238000004438 BET method Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Images
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014062334A JP2015182932A (ja) | 2014-03-25 | 2014-03-25 | セリウム−ジルコニウム系複合酸化物及びその製造方法 |
| PCT/JP2014/061662 WO2015145788A1 (ja) | 2014-03-25 | 2014-04-25 | セリウム－ジルコニウム系複合酸化物及びその製造方法 |
| US15/125,430 US9962684B2 (en) | 2014-03-25 | 2014-04-25 | Cerium-zirconium-based composite oxide and method for producing same |
| PL14887678T PL3067322T3 (pl) | 2014-03-25 | 2014-04-25 | Złożony tlenek na bazie ceru i cyrkonu i sposób jego wytwarzania |
| EP14887678.2A EP3067322B1 (en) | 2014-03-25 | 2014-04-25 | Cerium-zirconium-based composite oxide and method for producing same |
| CN201480072542.8A CN105899463B (zh) | 2014-03-25 | 2014-04-25 | 铈－锆系复合氧化物及其制造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014062334A JP2015182932A (ja) | 2014-03-25 | 2014-03-25 | セリウム−ジルコニウム系複合酸化物及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2015182932A true JP2015182932A (ja) | 2015-10-22 |
| JP2015182932A5 JP2015182932A5 (enExample) | 2016-01-28 |
Family
ID=54349886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014062334A Pending JP2015182932A (ja) | 2014-03-25 | 2014-03-25 | セリウム−ジルコニウム系複合酸化物及びその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2015182932A (enExample) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016044108A (ja) * | 2014-08-25 | 2016-04-04 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| JP2018038999A (ja) * | 2016-09-05 | 2018-03-15 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| WO2021107119A1 (ja) | 2019-11-28 | 2021-06-03 | 三井金属鉱業株式会社 | 排ガス浄化用触媒組成物及び排ガス浄化用触媒 |
| JP2023143084A (ja) * | 2022-03-25 | 2023-10-06 | 株式会社豊田中央研究所 | 酸素貯蔵材料及びその製造方法 |
| CN116892116A (zh) * | 2023-09-11 | 2023-10-17 | 镧明材料技术(上海)有限公司 | 蓄热保暖粉及其制备方法 |
| JP7522906B1 (ja) | 2023-12-06 | 2024-07-25 | 第一稀元素化学工業株式会社 | 酸化セリウム安定化ジルコニウム組成物 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005231951A (ja) * | 2004-02-19 | 2005-09-02 | Tosoh Corp | 複合酸化物及び排ガス浄化用触媒 |
| WO2006030763A1 (ja) * | 2004-09-16 | 2006-03-23 | Daiichi Kigenso Kagaku Kogyo Co., Ltd. | セリウム－ジルコニウム系複合酸化物、その製造方法、それを用いた酸素吸蔵放出材料、排気ガス浄化触媒、及び排気ガス浄化方法 |
| JP2009084061A (ja) * | 2007-09-27 | 2009-04-23 | Toyota Central R&D Labs Inc | 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 |
| JP2011219329A (ja) * | 2010-04-13 | 2011-11-04 | Toyota Central R&D Labs Inc | 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 |
| JP2012239982A (ja) * | 2011-05-19 | 2012-12-10 | Toyota Motor Corp | 内燃機関の排気浄化用触媒 |
| JP2014114180A (ja) * | 2012-12-07 | 2014-06-26 | Toyota Motor Corp | 複合酸化物材料およびそれを用いた排ガス浄化触媒 |
| JP2015071520A (ja) * | 2013-10-04 | 2015-04-16 | 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 |
-
2014
- 2014-03-25 JP JP2014062334A patent/JP2015182932A/ja active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005231951A (ja) * | 2004-02-19 | 2005-09-02 | Tosoh Corp | 複合酸化物及び排ガス浄化用触媒 |
| WO2006030763A1 (ja) * | 2004-09-16 | 2006-03-23 | Daiichi Kigenso Kagaku Kogyo Co., Ltd. | セリウム－ジルコニウム系複合酸化物、その製造方法、それを用いた酸素吸蔵放出材料、排気ガス浄化触媒、及び排気ガス浄化方法 |
| JP2009084061A (ja) * | 2007-09-27 | 2009-04-23 | Toyota Central R&D Labs Inc | 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 |
| JP2011219329A (ja) * | 2010-04-13 | 2011-11-04 | Toyota Central R&D Labs Inc | 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 |
| JP2012239982A (ja) * | 2011-05-19 | 2012-12-10 | Toyota Motor Corp | 内燃機関の排気浄化用触媒 |
| JP2014114180A (ja) * | 2012-12-07 | 2014-06-26 | Toyota Motor Corp | 複合酸化物材料およびそれを用いた排ガス浄化触媒 |
| JP2015071520A (ja) * | 2013-10-04 | 2015-04-16 | 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 |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016044108A (ja) * | 2014-08-25 | 2016-04-04 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| JP2018038999A (ja) * | 2016-09-05 | 2018-03-15 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| US11872540B2 (en) | 2019-11-28 | 2024-01-16 | Mitsui Mining & Smelting Co., Ltd. | Exhaust gas purification catalyst composition and exhaust gas purification catalyst |
| WO2021107119A1 (ja) | 2019-11-28 | 2021-06-03 | 三井金属鉱業株式会社 | 排ガス浄化用触媒組成物及び排ガス浄化用触媒 |
| JPWO2021107119A1 (ja) * | 2019-11-28 | 2021-12-02 | 三井金属鉱業株式会社 | 排ガス浄化用触媒組成物及び排ガス浄化用触媒 |
| EP4066922A4 (en) * | 2019-11-28 | 2023-01-11 | Mitsui Mining & Smelting Co., Ltd. | EMISSION CONTROL CATALYST COMPOSITION AND EMISSION CONTROL CATALYST |
| JP2023143084A (ja) * | 2022-03-25 | 2023-10-06 | 株式会社豊田中央研究所 | 酸素貯蔵材料及びその製造方法 |
| JP7601824B2 (ja) | 2022-03-25 | 2024-12-17 | 株式会社豊田中央研究所 | 酸素貯蔵材料及びその製造方法 |
| CN116892116A (zh) * | 2023-09-11 | 2023-10-17 | 镧明材料技术(上海)有限公司 | 蓄热保暖粉及其制备方法 |
| CN116892116B (zh) * | 2023-09-11 | 2023-12-01 | 镧明材料技术(上海)有限公司 | 蓄热保暖粉及其制备方法 |
| JP7522906B1 (ja) | 2023-12-06 | 2024-07-25 | 第一稀元素化学工業株式会社 | 酸化セリウム安定化ジルコニウム組成物 |
| WO2025121258A1 (ja) * | 2023-12-06 | 2025-06-12 | 第一稀元素化学工業株式会社 | 酸化セリウム安定化ジルコニウム組成物 |
| JP2025090925A (ja) * | 2023-12-06 | 2025-06-18 | 第一稀元素化学工業株式会社 | 酸化セリウム安定化ジルコニウム組成物 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9962684B2 (en) | Cerium-zirconium-based composite oxide and method for producing same | |
| JP6147215B2 (ja) | セリウム−ジルコニウム系複合酸化物及びその製造方法 | |
| KR101405826B1 (ko) | 자동차용 배기가스 정화 장치에 이용되는 촉매계, 그것을 이용한 배기가스 정화 장치 및 배기가스 정화 방법 | |
| EP2671638B1 (en) | Catalyst for cleaning exhaust gas | |
| US9931614B2 (en) | Ceria-zirconia-based composite oxide and method for producing same, and catalyst for exhaust gas purification including ceria-zirconia-based composite oxide | |
| JP2015182932A (ja) | セリウム−ジルコニウム系複合酸化物及びその製造方法 | |
| JP5763722B2 (ja) | 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 | |
| JP3595874B2 (ja) | ジルコニウム−セリウム系複合酸化物及びその製造方法 | |
| US10258964B2 (en) | Composite oxide | |
| EP2794488B1 (en) | Composite oxide, method for producing the same, and catalyst for exhaust gas purification | |
| JP6223354B2 (ja) | 複合酸化物、それの製造方法、および排ガス精製用の触媒 | |
| JP2018145087A (ja) | 酸素吸放出材 | |
| JP5989023B2 (ja) | セリウム−ジルコニウム系複合酸化物及びその製造方法 | |
| JP6630305B2 (ja) | コアシェル型酸化物材料、それを用いた排ガス浄化用触媒、及び排ガス浄化方法 | |
| JP6498094B2 (ja) | プラセオジム−ジルコニウム系複合酸化物およびその製造方法 | |
| JP2017052683A5 (enExample) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20151207 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20151207 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20160719 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160920 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20161115 |