Electrochemical study of PtRh/C and PtRhNi/C electrocatalysts for ethylene glycol oxidation
Abstract In the last decades, the ethylene glycol has been considered as another option of fuel, in both acid and alkaline solutions, for fuel cells application. Pt-based electrocatalysts are used in this type of technology but it is necessary to add a second or third oxophilic metal to form bimetal...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Marinho, V. L. [verfasserIn] Pocrifka, L. A. [verfasserIn] Passos, R. R. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of solid state electrochemistry - Berlin : Springer, 1997, 22(2017), 5 vom: 19. Nov., Seite 1517-1524 |
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| Übergeordnetes Werk: |
volume:22 ; year:2017 ; number:5 ; day:19 ; month:11 ; pages:1517-1524 |
| Links: |
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| DOI / URN: |
10.1007/s10008-017-3825-7 |
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| Katalog-ID: |
SPR007995458 |
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| 100 | 1 | |a Marinho, V. L. |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Electrochemical study of PtRh/C and PtRhNi/C electrocatalysts for ethylene glycol oxidation |
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| 520 | |a Abstract In the last decades, the ethylene glycol has been considered as another option of fuel, in both acid and alkaline solutions, for fuel cells application. Pt-based electrocatalysts are used in this type of technology but it is necessary to add a second or third oxophilic metal to form bimetallic or trimetallic alloys. Alloys with a second or a third metal modify electrocatalytic properties of Pt in order to overcome poisoning effects and enhancement of the electrocatalytic activity of platinum-based electrocatalyst. PtRh/C and PtRhNi/C electrocatalysts were prepared by alcohol reduction method, and their catalytic activity and stability were evaluated by cyclic voltammetry and chronoamperometry, in alkaline medium using a KOH solution with ethylene glycol in concentrations of 0.5 and 1.0 mol $ L^{−1} $. The results showed that the binary electrocatalyst has a higher electrocatalytic performance and obtain about 90% more energy density than PtRhNi/C. This result indicates that the higher amount of Rh in the alloy presents a synergistic effect with Pt. Chronoamperometry tests show that both electrocatalysts have an active surface and tolerance to poisoning by intermediate products, and the presence of Ni in the ternary electrocatalyst contributes to raise this tolerance. | ||
| 700 | 1 | |a Pocrifka, L. A. |e verfasserin |4 aut | |
| 700 | 1 | |a Passos, R. R. |e verfasserin |4 aut | |
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10.1007/s10008-017-3825-7 doi (DE-627)SPR007995458 (SPR)s10008-017-3825-7-e DE-627 ger DE-627 rakwb eng 540 ASE 35.14 bkl 35.90 bkl Marinho, V. L. verfasserin aut Electrochemical study of PtRh/C and PtRhNi/C electrocatalysts for ethylene glycol oxidation 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In the last decades, the ethylene glycol has been considered as another option of fuel, in both acid and alkaline solutions, for fuel cells application. Pt-based electrocatalysts are used in this type of technology but it is necessary to add a second or third oxophilic metal to form bimetallic or trimetallic alloys. Alloys with a second or a third metal modify electrocatalytic properties of Pt in order to overcome poisoning effects and enhancement of the electrocatalytic activity of platinum-based electrocatalyst. PtRh/C and PtRhNi/C electrocatalysts were prepared by alcohol reduction method, and their catalytic activity and stability were evaluated by cyclic voltammetry and chronoamperometry, in alkaline medium using a KOH solution with ethylene glycol in concentrations of 0.5 and 1.0 mol $ L^{−1} $. The results showed that the binary electrocatalyst has a higher electrocatalytic performance and obtain about 90% more energy density than PtRhNi/C. This result indicates that the higher amount of Rh in the alloy presents a synergistic effect with Pt. Chronoamperometry tests show that both electrocatalysts have an active surface and tolerance to poisoning by intermediate products, and the presence of Ni in the ternary electrocatalyst contributes to raise this tolerance. Pocrifka, L. A. verfasserin aut Passos, R. R. verfasserin aut Enthalten in Journal of solid state electrochemistry Berlin : Springer, 1997 22(2017), 5 vom: 19. Nov., Seite 1517-1524 (DE-627)271175400 (DE-600)1478940-1 1433-0768 nnns volume:22 year:2017 number:5 day:19 month:11 pages:1517-1524 https://dx.doi.org/10.1007/s10008-017-3825-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.14 ASE 35.90 ASE AR 22 2017 5 19 11 1517-1524 |
| spelling |
10.1007/s10008-017-3825-7 doi (DE-627)SPR007995458 (SPR)s10008-017-3825-7-e DE-627 ger DE-627 rakwb eng 540 ASE 35.14 bkl 35.90 bkl Marinho, V. L. verfasserin aut Electrochemical study of PtRh/C and PtRhNi/C electrocatalysts for ethylene glycol oxidation 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In the last decades, the ethylene glycol has been considered as another option of fuel, in both acid and alkaline solutions, for fuel cells application. Pt-based electrocatalysts are used in this type of technology but it is necessary to add a second or third oxophilic metal to form bimetallic or trimetallic alloys. Alloys with a second or a third metal modify electrocatalytic properties of Pt in order to overcome poisoning effects and enhancement of the electrocatalytic activity of platinum-based electrocatalyst. PtRh/C and PtRhNi/C electrocatalysts were prepared by alcohol reduction method, and their catalytic activity and stability were evaluated by cyclic voltammetry and chronoamperometry, in alkaline medium using a KOH solution with ethylene glycol in concentrations of 0.5 and 1.0 mol $ L^{−1} $. The results showed that the binary electrocatalyst has a higher electrocatalytic performance and obtain about 90% more energy density than PtRhNi/C. This result indicates that the higher amount of Rh in the alloy presents a synergistic effect with Pt. Chronoamperometry tests show that both electrocatalysts have an active surface and tolerance to poisoning by intermediate products, and the presence of Ni in the ternary electrocatalyst contributes to raise this tolerance. Pocrifka, L. A. verfasserin aut Passos, R. R. verfasserin aut Enthalten in Journal of solid state electrochemistry Berlin : Springer, 1997 22(2017), 5 vom: 19. Nov., Seite 1517-1524 (DE-627)271175400 (DE-600)1478940-1 1433-0768 nnns volume:22 year:2017 number:5 day:19 month:11 pages:1517-1524 https://dx.doi.org/10.1007/s10008-017-3825-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.14 ASE 35.90 ASE AR 22 2017 5 19 11 1517-1524 |
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10.1007/s10008-017-3825-7 doi (DE-627)SPR007995458 (SPR)s10008-017-3825-7-e DE-627 ger DE-627 rakwb eng 540 ASE 35.14 bkl 35.90 bkl Marinho, V. L. verfasserin aut Electrochemical study of PtRh/C and PtRhNi/C electrocatalysts for ethylene glycol oxidation 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In the last decades, the ethylene glycol has been considered as another option of fuel, in both acid and alkaline solutions, for fuel cells application. Pt-based electrocatalysts are used in this type of technology but it is necessary to add a second or third oxophilic metal to form bimetallic or trimetallic alloys. Alloys with a second or a third metal modify electrocatalytic properties of Pt in order to overcome poisoning effects and enhancement of the electrocatalytic activity of platinum-based electrocatalyst. PtRh/C and PtRhNi/C electrocatalysts were prepared by alcohol reduction method, and their catalytic activity and stability were evaluated by cyclic voltammetry and chronoamperometry, in alkaline medium using a KOH solution with ethylene glycol in concentrations of 0.5 and 1.0 mol $ L^{−1} $. The results showed that the binary electrocatalyst has a higher electrocatalytic performance and obtain about 90% more energy density than PtRhNi/C. This result indicates that the higher amount of Rh in the alloy presents a synergistic effect with Pt. Chronoamperometry tests show that both electrocatalysts have an active surface and tolerance to poisoning by intermediate products, and the presence of Ni in the ternary electrocatalyst contributes to raise this tolerance. Pocrifka, L. A. verfasserin aut Passos, R. R. verfasserin aut Enthalten in Journal of solid state electrochemistry Berlin : Springer, 1997 22(2017), 5 vom: 19. Nov., Seite 1517-1524 (DE-627)271175400 (DE-600)1478940-1 1433-0768 nnns volume:22 year:2017 number:5 day:19 month:11 pages:1517-1524 https://dx.doi.org/10.1007/s10008-017-3825-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.14 ASE 35.90 ASE AR 22 2017 5 19 11 1517-1524 |
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10.1007/s10008-017-3825-7 doi (DE-627)SPR007995458 (SPR)s10008-017-3825-7-e DE-627 ger DE-627 rakwb eng 540 ASE 35.14 bkl 35.90 bkl Marinho, V. L. verfasserin aut Electrochemical study of PtRh/C and PtRhNi/C electrocatalysts for ethylene glycol oxidation 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In the last decades, the ethylene glycol has been considered as another option of fuel, in both acid and alkaline solutions, for fuel cells application. Pt-based electrocatalysts are used in this type of technology but it is necessary to add a second or third oxophilic metal to form bimetallic or trimetallic alloys. Alloys with a second or a third metal modify electrocatalytic properties of Pt in order to overcome poisoning effects and enhancement of the electrocatalytic activity of platinum-based electrocatalyst. PtRh/C and PtRhNi/C electrocatalysts were prepared by alcohol reduction method, and their catalytic activity and stability were evaluated by cyclic voltammetry and chronoamperometry, in alkaline medium using a KOH solution with ethylene glycol in concentrations of 0.5 and 1.0 mol $ L^{−1} $. The results showed that the binary electrocatalyst has a higher electrocatalytic performance and obtain about 90% more energy density than PtRhNi/C. This result indicates that the higher amount of Rh in the alloy presents a synergistic effect with Pt. Chronoamperometry tests show that both electrocatalysts have an active surface and tolerance to poisoning by intermediate products, and the presence of Ni in the ternary electrocatalyst contributes to raise this tolerance. Pocrifka, L. A. verfasserin aut Passos, R. R. verfasserin aut Enthalten in Journal of solid state electrochemistry Berlin : Springer, 1997 22(2017), 5 vom: 19. Nov., Seite 1517-1524 (DE-627)271175400 (DE-600)1478940-1 1433-0768 nnns volume:22 year:2017 number:5 day:19 month:11 pages:1517-1524 https://dx.doi.org/10.1007/s10008-017-3825-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.14 ASE 35.90 ASE AR 22 2017 5 19 11 1517-1524 |
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10.1007/s10008-017-3825-7 doi (DE-627)SPR007995458 (SPR)s10008-017-3825-7-e DE-627 ger DE-627 rakwb eng 540 ASE 35.14 bkl 35.90 bkl Marinho, V. L. verfasserin aut Electrochemical study of PtRh/C and PtRhNi/C electrocatalysts for ethylene glycol oxidation 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In the last decades, the ethylene glycol has been considered as another option of fuel, in both acid and alkaline solutions, for fuel cells application. Pt-based electrocatalysts are used in this type of technology but it is necessary to add a second or third oxophilic metal to form bimetallic or trimetallic alloys. Alloys with a second or a third metal modify electrocatalytic properties of Pt in order to overcome poisoning effects and enhancement of the electrocatalytic activity of platinum-based electrocatalyst. PtRh/C and PtRhNi/C electrocatalysts were prepared by alcohol reduction method, and their catalytic activity and stability were evaluated by cyclic voltammetry and chronoamperometry, in alkaline medium using a KOH solution with ethylene glycol in concentrations of 0.5 and 1.0 mol $ L^{−1} $. The results showed that the binary electrocatalyst has a higher electrocatalytic performance and obtain about 90% more energy density than PtRhNi/C. This result indicates that the higher amount of Rh in the alloy presents a synergistic effect with Pt. Chronoamperometry tests show that both electrocatalysts have an active surface and tolerance to poisoning by intermediate products, and the presence of Ni in the ternary electrocatalyst contributes to raise this tolerance. Pocrifka, L. A. verfasserin aut Passos, R. R. verfasserin aut Enthalten in Journal of solid state electrochemistry Berlin : Springer, 1997 22(2017), 5 vom: 19. Nov., Seite 1517-1524 (DE-627)271175400 (DE-600)1478940-1 1433-0768 nnns volume:22 year:2017 number:5 day:19 month:11 pages:1517-1524 https://dx.doi.org/10.1007/s10008-017-3825-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 35.14 ASE 35.90 ASE AR 22 2017 5 19 11 1517-1524 |
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Pt-based electrocatalysts are used in this type of technology but it is necessary to add a second or third oxophilic metal to form bimetallic or trimetallic alloys. Alloys with a second or a third metal modify electrocatalytic properties of Pt in order to overcome poisoning effects and enhancement of the electrocatalytic activity of platinum-based electrocatalyst. PtRh/C and PtRhNi/C electrocatalysts were prepared by alcohol reduction method, and their catalytic activity and stability were evaluated by cyclic voltammetry and chronoamperometry, in alkaline medium using a KOH solution with ethylene glycol in concentrations of 0.5 and 1.0 mol $ L^{−1} $. The results showed that the binary electrocatalyst has a higher electrocatalytic performance and obtain about 90% more energy density than PtRhNi/C. This result indicates that the higher amount of Rh in the alloy presents a synergistic effect with Pt. 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Marinho, V. L. |
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Marinho, V. L. ddc 540 bkl 35.14 bkl 35.90 Electrochemical study of PtRh/C and PtRhNi/C electrocatalysts for ethylene glycol oxidation |
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540 ASE 35.14 bkl 35.90 bkl Electrochemical study of PtRh/C and PtRhNi/C electrocatalysts for ethylene glycol oxidation |
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Electrochemical study of PtRh/C and PtRhNi/C electrocatalysts for ethylene glycol oxidation |
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Electrochemical study of PtRh/C and PtRhNi/C electrocatalysts for ethylene glycol oxidation |
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Marinho, V. L. |
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Journal of solid state electrochemistry |
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Journal of solid state electrochemistry |
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Marinho, V. L. Pocrifka, L. A. Passos, R. R. |
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Elektronische Aufsätze |
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Marinho, V. L. |
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10.1007/s10008-017-3825-7 |
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540 |
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verfasserin |
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electrochemical study of ptrh/c and ptrhni/c electrocatalysts for ethylene glycol oxidation |
| title_auth |
Electrochemical study of PtRh/C and PtRhNi/C electrocatalysts for ethylene glycol oxidation |
| abstract |
Abstract In the last decades, the ethylene glycol has been considered as another option of fuel, in both acid and alkaline solutions, for fuel cells application. Pt-based electrocatalysts are used in this type of technology but it is necessary to add a second or third oxophilic metal to form bimetallic or trimetallic alloys. Alloys with a second or a third metal modify electrocatalytic properties of Pt in order to overcome poisoning effects and enhancement of the electrocatalytic activity of platinum-based electrocatalyst. PtRh/C and PtRhNi/C electrocatalysts were prepared by alcohol reduction method, and their catalytic activity and stability were evaluated by cyclic voltammetry and chronoamperometry, in alkaline medium using a KOH solution with ethylene glycol in concentrations of 0.5 and 1.0 mol $ L^{−1} $. The results showed that the binary electrocatalyst has a higher electrocatalytic performance and obtain about 90% more energy density than PtRhNi/C. This result indicates that the higher amount of Rh in the alloy presents a synergistic effect with Pt. Chronoamperometry tests show that both electrocatalysts have an active surface and tolerance to poisoning by intermediate products, and the presence of Ni in the ternary electrocatalyst contributes to raise this tolerance. |
| abstractGer |
Abstract In the last decades, the ethylene glycol has been considered as another option of fuel, in both acid and alkaline solutions, for fuel cells application. Pt-based electrocatalysts are used in this type of technology but it is necessary to add a second or third oxophilic metal to form bimetallic or trimetallic alloys. Alloys with a second or a third metal modify electrocatalytic properties of Pt in order to overcome poisoning effects and enhancement of the electrocatalytic activity of platinum-based electrocatalyst. PtRh/C and PtRhNi/C electrocatalysts were prepared by alcohol reduction method, and their catalytic activity and stability were evaluated by cyclic voltammetry and chronoamperometry, in alkaline medium using a KOH solution with ethylene glycol in concentrations of 0.5 and 1.0 mol $ L^{−1} $. The results showed that the binary electrocatalyst has a higher electrocatalytic performance and obtain about 90% more energy density than PtRhNi/C. This result indicates that the higher amount of Rh in the alloy presents a synergistic effect with Pt. Chronoamperometry tests show that both electrocatalysts have an active surface and tolerance to poisoning by intermediate products, and the presence of Ni in the ternary electrocatalyst contributes to raise this tolerance. |
| abstract_unstemmed |
Abstract In the last decades, the ethylene glycol has been considered as another option of fuel, in both acid and alkaline solutions, for fuel cells application. Pt-based electrocatalysts are used in this type of technology but it is necessary to add a second or third oxophilic metal to form bimetallic or trimetallic alloys. Alloys with a second or a third metal modify electrocatalytic properties of Pt in order to overcome poisoning effects and enhancement of the electrocatalytic activity of platinum-based electrocatalyst. PtRh/C and PtRhNi/C electrocatalysts were prepared by alcohol reduction method, and their catalytic activity and stability were evaluated by cyclic voltammetry and chronoamperometry, in alkaline medium using a KOH solution with ethylene glycol in concentrations of 0.5 and 1.0 mol $ L^{−1} $. The results showed that the binary electrocatalyst has a higher electrocatalytic performance and obtain about 90% more energy density than PtRhNi/C. This result indicates that the higher amount of Rh in the alloy presents a synergistic effect with Pt. Chronoamperometry tests show that both electrocatalysts have an active surface and tolerance to poisoning by intermediate products, and the presence of Ni in the ternary electrocatalyst contributes to raise this tolerance. |
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5 |
| title_short |
Electrochemical study of PtRh/C and PtRhNi/C electrocatalysts for ethylene glycol oxidation |
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https://dx.doi.org/10.1007/s10008-017-3825-7 |
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Pocrifka, L. A. Passos, R. R. |
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Pocrifka, L. A. Passos, R. R. |
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| doi_str |
10.1007/s10008-017-3825-7 |
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2024-07-03T16:39:20.026Z |
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| score |
7.4007425 |