Preparation of $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composite with layered structure for improved Pd-only three-way catalyst
Abstract In this study, two $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composites with layered structure were prepared by sequential precipitation route (SP) and compared with that obtained from conventional coprecipitation method (CC). The structural, textural and redox properties of the Pd-suppor...
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Gespeichert in:
| Autor*in: |
Lan, Li [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media New York 2017 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of materials science - Springer US, 1966, 52(2017), 16 vom: 09. Mai, Seite 9615-9629 |
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| Übergeordnetes Werk: |
volume:52 ; year:2017 ; number:16 ; day:09 ; month:05 ; pages:9615-9629 |
| Links: |
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| DOI / URN: |
10.1007/s10853-017-1168-5 |
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| Katalog-ID: |
OLC2046425197 |
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| 520 | |a Abstract In this study, two $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composites with layered structure were prepared by sequential precipitation route (SP) and compared with that obtained from conventional coprecipitation method (CC). The structural, textural and redox properties of the Pd-supported three-way catalysts were investigated by X-ray diffraction, X-ray photoelectron spectroscopy (XPS), $ N_{2} $ adsorption–desorption, CO chemical adsorption, $ H_{2} $-temperature-programmed reduction and oxygen storage capacity (OSC). By adjusting the precipitation sequence of CZ and $ Al_{2} $$ O_{3} $ components, different combination styles of CZ and $ Al_{2} $$ O_{3} $ as well as different interaction between the two components are obtained, which consequently modifies the physicochemical properties, catalytic performance along with the thermal stability of the supported Pd/$ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ catalysts. The catalysts derived from SP present comparable structural and textural thermal stability compared to that obtained from CC. From the aspects of XPS, TPR and OSC, more $ Ce^{3+} $ and improved redox properties are created by SP with respect to CC. In addition, the dispersion of palladium is enhanced due to the strong metal–support interaction. The catalytic performance evaluation results reveal that SP method leads to the formation of three-way catalysts with advanced catalytic activities for $ C_{3} $$ H_{8} $, CO and NO conversions especially when CZ is enriched in the outer layer. | ||
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10.1007/s10853-017-1168-5 doi (DE-627)OLC2046425197 (DE-He213)s10853-017-1168-5-p DE-627 ger DE-627 rakwb eng 670 VZ Lan, Li verfasserin aut Preparation of $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composite with layered structure for improved Pd-only three-way catalyst 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2017 Abstract In this study, two $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composites with layered structure were prepared by sequential precipitation route (SP) and compared with that obtained from conventional coprecipitation method (CC). The structural, textural and redox properties of the Pd-supported three-way catalysts were investigated by X-ray diffraction, X-ray photoelectron spectroscopy (XPS), $ N_{2} $ adsorption–desorption, CO chemical adsorption, $ H_{2} $-temperature-programmed reduction and oxygen storage capacity (OSC). By adjusting the precipitation sequence of CZ and $ Al_{2} $$ O_{3} $ components, different combination styles of CZ and $ Al_{2} $$ O_{3} $ as well as different interaction between the two components are obtained, which consequently modifies the physicochemical properties, catalytic performance along with the thermal stability of the supported Pd/$ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ catalysts. The catalysts derived from SP present comparable structural and textural thermal stability compared to that obtained from CC. From the aspects of XPS, TPR and OSC, more $ Ce^{3+} $ and improved redox properties are created by SP with respect to CC. In addition, the dispersion of palladium is enhanced due to the strong metal–support interaction. The catalytic performance evaluation results reveal that SP method leads to the formation of three-way catalysts with advanced catalytic activities for $ C_{3} $$ H_{8} $, CO and NO conversions especially when CZ is enriched in the outer layer. CeO2 Fresh Catalyst Oxygen Storage Capacity Sequential Precipitation Aged Catalyst Li, Hongmei aut Chen, Shanhu (orcid)0000-0003-3431-2312 aut Chen, Yaoqiang aut Enthalten in Journal of materials science Springer US, 1966 52(2017), 16 vom: 09. Mai, Seite 9615-9629 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:52 year:2017 number:16 day:09 month:05 pages:9615-9629 https://doi.org/10.1007/s10853-017-1168-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 52 2017 16 09 05 9615-9629 |
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10.1007/s10853-017-1168-5 doi (DE-627)OLC2046425197 (DE-He213)s10853-017-1168-5-p DE-627 ger DE-627 rakwb eng 670 VZ Lan, Li verfasserin aut Preparation of $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composite with layered structure for improved Pd-only three-way catalyst 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2017 Abstract In this study, two $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composites with layered structure were prepared by sequential precipitation route (SP) and compared with that obtained from conventional coprecipitation method (CC). The structural, textural and redox properties of the Pd-supported three-way catalysts were investigated by X-ray diffraction, X-ray photoelectron spectroscopy (XPS), $ N_{2} $ adsorption–desorption, CO chemical adsorption, $ H_{2} $-temperature-programmed reduction and oxygen storage capacity (OSC). By adjusting the precipitation sequence of CZ and $ Al_{2} $$ O_{3} $ components, different combination styles of CZ and $ Al_{2} $$ O_{3} $ as well as different interaction between the two components are obtained, which consequently modifies the physicochemical properties, catalytic performance along with the thermal stability of the supported Pd/$ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ catalysts. The catalysts derived from SP present comparable structural and textural thermal stability compared to that obtained from CC. From the aspects of XPS, TPR and OSC, more $ Ce^{3+} $ and improved redox properties are created by SP with respect to CC. In addition, the dispersion of palladium is enhanced due to the strong metal–support interaction. The catalytic performance evaluation results reveal that SP method leads to the formation of three-way catalysts with advanced catalytic activities for $ C_{3} $$ H_{8} $, CO and NO conversions especially when CZ is enriched in the outer layer. CeO2 Fresh Catalyst Oxygen Storage Capacity Sequential Precipitation Aged Catalyst Li, Hongmei aut Chen, Shanhu (orcid)0000-0003-3431-2312 aut Chen, Yaoqiang aut Enthalten in Journal of materials science Springer US, 1966 52(2017), 16 vom: 09. Mai, Seite 9615-9629 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:52 year:2017 number:16 day:09 month:05 pages:9615-9629 https://doi.org/10.1007/s10853-017-1168-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 52 2017 16 09 05 9615-9629 |
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10.1007/s10853-017-1168-5 doi (DE-627)OLC2046425197 (DE-He213)s10853-017-1168-5-p DE-627 ger DE-627 rakwb eng 670 VZ Lan, Li verfasserin aut Preparation of $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composite with layered structure for improved Pd-only three-way catalyst 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2017 Abstract In this study, two $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composites with layered structure were prepared by sequential precipitation route (SP) and compared with that obtained from conventional coprecipitation method (CC). The structural, textural and redox properties of the Pd-supported three-way catalysts were investigated by X-ray diffraction, X-ray photoelectron spectroscopy (XPS), $ N_{2} $ adsorption–desorption, CO chemical adsorption, $ H_{2} $-temperature-programmed reduction and oxygen storage capacity (OSC). By adjusting the precipitation sequence of CZ and $ Al_{2} $$ O_{3} $ components, different combination styles of CZ and $ Al_{2} $$ O_{3} $ as well as different interaction between the two components are obtained, which consequently modifies the physicochemical properties, catalytic performance along with the thermal stability of the supported Pd/$ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ catalysts. The catalysts derived from SP present comparable structural and textural thermal stability compared to that obtained from CC. From the aspects of XPS, TPR and OSC, more $ Ce^{3+} $ and improved redox properties are created by SP with respect to CC. In addition, the dispersion of palladium is enhanced due to the strong metal–support interaction. The catalytic performance evaluation results reveal that SP method leads to the formation of three-way catalysts with advanced catalytic activities for $ C_{3} $$ H_{8} $, CO and NO conversions especially when CZ is enriched in the outer layer. CeO2 Fresh Catalyst Oxygen Storage Capacity Sequential Precipitation Aged Catalyst Li, Hongmei aut Chen, Shanhu (orcid)0000-0003-3431-2312 aut Chen, Yaoqiang aut Enthalten in Journal of materials science Springer US, 1966 52(2017), 16 vom: 09. Mai, Seite 9615-9629 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:52 year:2017 number:16 day:09 month:05 pages:9615-9629 https://doi.org/10.1007/s10853-017-1168-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 52 2017 16 09 05 9615-9629 |
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10.1007/s10853-017-1168-5 doi (DE-627)OLC2046425197 (DE-He213)s10853-017-1168-5-p DE-627 ger DE-627 rakwb eng 670 VZ Lan, Li verfasserin aut Preparation of $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composite with layered structure for improved Pd-only three-way catalyst 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2017 Abstract In this study, two $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composites with layered structure were prepared by sequential precipitation route (SP) and compared with that obtained from conventional coprecipitation method (CC). The structural, textural and redox properties of the Pd-supported three-way catalysts were investigated by X-ray diffraction, X-ray photoelectron spectroscopy (XPS), $ N_{2} $ adsorption–desorption, CO chemical adsorption, $ H_{2} $-temperature-programmed reduction and oxygen storage capacity (OSC). By adjusting the precipitation sequence of CZ and $ Al_{2} $$ O_{3} $ components, different combination styles of CZ and $ Al_{2} $$ O_{3} $ as well as different interaction between the two components are obtained, which consequently modifies the physicochemical properties, catalytic performance along with the thermal stability of the supported Pd/$ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ catalysts. The catalysts derived from SP present comparable structural and textural thermal stability compared to that obtained from CC. From the aspects of XPS, TPR and OSC, more $ Ce^{3+} $ and improved redox properties are created by SP with respect to CC. In addition, the dispersion of palladium is enhanced due to the strong metal–support interaction. The catalytic performance evaluation results reveal that SP method leads to the formation of three-way catalysts with advanced catalytic activities for $ C_{3} $$ H_{8} $, CO and NO conversions especially when CZ is enriched in the outer layer. CeO2 Fresh Catalyst Oxygen Storage Capacity Sequential Precipitation Aged Catalyst Li, Hongmei aut Chen, Shanhu (orcid)0000-0003-3431-2312 aut Chen, Yaoqiang aut Enthalten in Journal of materials science Springer US, 1966 52(2017), 16 vom: 09. Mai, Seite 9615-9629 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:52 year:2017 number:16 day:09 month:05 pages:9615-9629 https://doi.org/10.1007/s10853-017-1168-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 52 2017 16 09 05 9615-9629 |
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10.1007/s10853-017-1168-5 doi (DE-627)OLC2046425197 (DE-He213)s10853-017-1168-5-p DE-627 ger DE-627 rakwb eng 670 VZ Lan, Li verfasserin aut Preparation of $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composite with layered structure for improved Pd-only three-way catalyst 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2017 Abstract In this study, two $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composites with layered structure were prepared by sequential precipitation route (SP) and compared with that obtained from conventional coprecipitation method (CC). The structural, textural and redox properties of the Pd-supported three-way catalysts were investigated by X-ray diffraction, X-ray photoelectron spectroscopy (XPS), $ N_{2} $ adsorption–desorption, CO chemical adsorption, $ H_{2} $-temperature-programmed reduction and oxygen storage capacity (OSC). By adjusting the precipitation sequence of CZ and $ Al_{2} $$ O_{3} $ components, different combination styles of CZ and $ Al_{2} $$ O_{3} $ as well as different interaction between the two components are obtained, which consequently modifies the physicochemical properties, catalytic performance along with the thermal stability of the supported Pd/$ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ catalysts. The catalysts derived from SP present comparable structural and textural thermal stability compared to that obtained from CC. From the aspects of XPS, TPR and OSC, more $ Ce^{3+} $ and improved redox properties are created by SP with respect to CC. In addition, the dispersion of palladium is enhanced due to the strong metal–support interaction. The catalytic performance evaluation results reveal that SP method leads to the formation of three-way catalysts with advanced catalytic activities for $ C_{3} $$ H_{8} $, CO and NO conversions especially when CZ is enriched in the outer layer. CeO2 Fresh Catalyst Oxygen Storage Capacity Sequential Precipitation Aged Catalyst Li, Hongmei aut Chen, Shanhu (orcid)0000-0003-3431-2312 aut Chen, Yaoqiang aut Enthalten in Journal of materials science Springer US, 1966 52(2017), 16 vom: 09. Mai, Seite 9615-9629 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:52 year:2017 number:16 day:09 month:05 pages:9615-9629 https://doi.org/10.1007/s10853-017-1168-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_30 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 52 2017 16 09 05 9615-9629 |
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The structural, textural and redox properties of the Pd-supported three-way catalysts were investigated by X-ray diffraction, X-ray photoelectron spectroscopy (XPS), $ N_{2} $ adsorption–desorption, CO chemical adsorption, $ H_{2} $-temperature-programmed reduction and oxygen storage capacity (OSC). By adjusting the precipitation sequence of CZ and $ Al_{2} $$ O_{3} $ components, different combination styles of CZ and $ Al_{2} $$ O_{3} $ as well as different interaction between the two components are obtained, which consequently modifies the physicochemical properties, catalytic performance along with the thermal stability of the supported Pd/$ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ catalysts. The catalysts derived from SP present comparable structural and textural thermal stability compared to that obtained from CC. From the aspects of XPS, TPR and OSC, more $ Ce^{3+} $ and improved redox properties are created by SP with respect to CC. 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preparation of $ ceo_{2} $–$ zro_{2} $–$ al_{2} $$ o_{3} $ composite with layered structure for improved pd-only three-way catalyst |
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Preparation of $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composite with layered structure for improved Pd-only three-way catalyst |
| abstract |
Abstract In this study, two $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composites with layered structure were prepared by sequential precipitation route (SP) and compared with that obtained from conventional coprecipitation method (CC). The structural, textural and redox properties of the Pd-supported three-way catalysts were investigated by X-ray diffraction, X-ray photoelectron spectroscopy (XPS), $ N_{2} $ adsorption–desorption, CO chemical adsorption, $ H_{2} $-temperature-programmed reduction and oxygen storage capacity (OSC). By adjusting the precipitation sequence of CZ and $ Al_{2} $$ O_{3} $ components, different combination styles of CZ and $ Al_{2} $$ O_{3} $ as well as different interaction between the two components are obtained, which consequently modifies the physicochemical properties, catalytic performance along with the thermal stability of the supported Pd/$ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ catalysts. The catalysts derived from SP present comparable structural and textural thermal stability compared to that obtained from CC. From the aspects of XPS, TPR and OSC, more $ Ce^{3+} $ and improved redox properties are created by SP with respect to CC. In addition, the dispersion of palladium is enhanced due to the strong metal–support interaction. The catalytic performance evaluation results reveal that SP method leads to the formation of three-way catalysts with advanced catalytic activities for $ C_{3} $$ H_{8} $, CO and NO conversions especially when CZ is enriched in the outer layer. © Springer Science+Business Media New York 2017 |
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Abstract In this study, two $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composites with layered structure were prepared by sequential precipitation route (SP) and compared with that obtained from conventional coprecipitation method (CC). The structural, textural and redox properties of the Pd-supported three-way catalysts were investigated by X-ray diffraction, X-ray photoelectron spectroscopy (XPS), $ N_{2} $ adsorption–desorption, CO chemical adsorption, $ H_{2} $-temperature-programmed reduction and oxygen storage capacity (OSC). By adjusting the precipitation sequence of CZ and $ Al_{2} $$ O_{3} $ components, different combination styles of CZ and $ Al_{2} $$ O_{3} $ as well as different interaction between the two components are obtained, which consequently modifies the physicochemical properties, catalytic performance along with the thermal stability of the supported Pd/$ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ catalysts. The catalysts derived from SP present comparable structural and textural thermal stability compared to that obtained from CC. From the aspects of XPS, TPR and OSC, more $ Ce^{3+} $ and improved redox properties are created by SP with respect to CC. In addition, the dispersion of palladium is enhanced due to the strong metal–support interaction. The catalytic performance evaluation results reveal that SP method leads to the formation of three-way catalysts with advanced catalytic activities for $ C_{3} $$ H_{8} $, CO and NO conversions especially when CZ is enriched in the outer layer. © Springer Science+Business Media New York 2017 |
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Abstract In this study, two $ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ composites with layered structure were prepared by sequential precipitation route (SP) and compared with that obtained from conventional coprecipitation method (CC). The structural, textural and redox properties of the Pd-supported three-way catalysts were investigated by X-ray diffraction, X-ray photoelectron spectroscopy (XPS), $ N_{2} $ adsorption–desorption, CO chemical adsorption, $ H_{2} $-temperature-programmed reduction and oxygen storage capacity (OSC). By adjusting the precipitation sequence of CZ and $ Al_{2} $$ O_{3} $ components, different combination styles of CZ and $ Al_{2} $$ O_{3} $ as well as different interaction between the two components are obtained, which consequently modifies the physicochemical properties, catalytic performance along with the thermal stability of the supported Pd/$ CeO_{2} $–$ ZrO_{2} $–$ Al_{2} $$ O_{3} $ catalysts. The catalysts derived from SP present comparable structural and textural thermal stability compared to that obtained from CC. From the aspects of XPS, TPR and OSC, more $ Ce^{3+} $ and improved redox properties are created by SP with respect to CC. In addition, the dispersion of palladium is enhanced due to the strong metal–support interaction. The catalytic performance evaluation results reveal that SP method leads to the formation of three-way catalysts with advanced catalytic activities for $ C_{3} $$ H_{8} $, CO and NO conversions especially when CZ is enriched in the outer layer. © Springer Science+Business Media New York 2017 |
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