Durable platinum/graphene catalysts assisted with polydiallyldimethylammonium for proton-exchange membrane fuel cells
High performance and electrochemically stable Pt/graphene catalysts assisted with polydiallyldimethylammonium (PDDA) have been synthesized for PEM fuel cells. The preparation procedure and properties of the catalysts are investigated in detail. With the introduction of PDDA molecules, Pt nanoparticl...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Lei, M. [verfasserIn] Liang, C. [verfasserIn] Wang, Y.J. [verfasserIn] Huang, K. [verfasserIn] Ye, C.X. [verfasserIn] Liu, G. [verfasserIn] Wang, W.J. [verfasserIn] Jin, S.F. [verfasserIn] Zhang, R. [verfasserIn] Fan, D.Y. [verfasserIn] Yang, H.J. [verfasserIn] Wang, Y.G. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2013 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Electrochimica acta - New York, NY [u.a.] : Elsevier, 1959, 113, Seite 366-372 |
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| Übergeordnetes Werk: |
volume:113 ; pages:366-372 |
| DOI / URN: |
10.1016/j.electacta.2013.09.119 |
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| 245 | 1 | 0 | |a Durable platinum/graphene catalysts assisted with polydiallyldimethylammonium for proton-exchange membrane fuel cells |
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| 520 | |a High performance and electrochemically stable Pt/graphene catalysts assisted with polydiallyldimethylammonium (PDDA) have been synthesized for PEM fuel cells. The preparation procedure and properties of the catalysts are investigated in detail. With the introduction of PDDA molecules, Pt nanoparticles can be well-dispersed on graphene support, resulting in improved electrochemical surface area and enhanced electrocatalytic activity. The corresponding electrochemical surface areas (ECSA) of catalyst layers calculated from the hydrogen desorption peak on cyclic voltammogram curves are 78.3, 72.5 and 73.6cm2 g−1 for catalyst layers with Pt/graphene, Pt-PDDA/graphene, and Pt/graphene-PDDA catalysts, respectively. Both PDDA modified Pt nanoparticles and PDDA modified graphene supports also exhibit high durability toward electrochemical oxidation cycles compared with the conventional produced Pt/graphene catalyst at the same conditions. After 3000 cycles, only 23.52% of the initial ECSA remains for Pt/graphene electrocatalyst whereas 43.04% and 37.7% of the initial ECSA for the Pt/graphene-PDDA and Pt-PDDA/graphene catalysts remain, respectively. | ||
| 650 | 4 | |a Graphene | |
| 650 | 4 | |a Oxygen reduction catalyst | |
| 650 | 4 | |a Durability | |
| 650 | 4 | |a Proton-exchange membrane fuel cells | |
| 650 | 4 | |a Polydiallyldimethylammonium | |
| 700 | 1 | |a Liang, C. |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Y.J. |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, K. |e verfasserin |4 aut | |
| 700 | 1 | |a Ye, C.X. |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, G. |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, W.J. |e verfasserin |4 aut | |
| 700 | 1 | |a Jin, S.F. |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, R. |e verfasserin |4 aut | |
| 700 | 1 | |a Fan, D.Y. |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, H.J. |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Y.G. |e verfasserin |4 aut | |
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10.1016/j.electacta.2013.09.119 doi (DE-627)ELV004788141 (ELSEVIER)S0013-4686(13)01883-5 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Lei, M. verfasserin aut Durable platinum/graphene catalysts assisted with polydiallyldimethylammonium for proton-exchange membrane fuel cells 2013 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High performance and electrochemically stable Pt/graphene catalysts assisted with polydiallyldimethylammonium (PDDA) have been synthesized for PEM fuel cells. The preparation procedure and properties of the catalysts are investigated in detail. With the introduction of PDDA molecules, Pt nanoparticles can be well-dispersed on graphene support, resulting in improved electrochemical surface area and enhanced electrocatalytic activity. The corresponding electrochemical surface areas (ECSA) of catalyst layers calculated from the hydrogen desorption peak on cyclic voltammogram curves are 78.3, 72.5 and 73.6cm2 g−1 for catalyst layers with Pt/graphene, Pt-PDDA/graphene, and Pt/graphene-PDDA catalysts, respectively. Both PDDA modified Pt nanoparticles and PDDA modified graphene supports also exhibit high durability toward electrochemical oxidation cycles compared with the conventional produced Pt/graphene catalyst at the same conditions. After 3000 cycles, only 23.52% of the initial ECSA remains for Pt/graphene electrocatalyst whereas 43.04% and 37.7% of the initial ECSA for the Pt/graphene-PDDA and Pt-PDDA/graphene catalysts remain, respectively. Graphene Oxygen reduction catalyst Durability Proton-exchange membrane fuel cells Polydiallyldimethylammonium Liang, C. verfasserin aut Wang, Y.J. verfasserin aut Huang, K. verfasserin aut Ye, C.X. verfasserin aut Liu, G. verfasserin aut Wang, W.J. verfasserin aut Jin, S.F. verfasserin aut Zhang, R. verfasserin aut Fan, D.Y. verfasserin aut Yang, H.J. verfasserin aut Wang, Y.G. verfasserin aut Enthalten in Electrochimica acta New York, NY [u.a.] : Elsevier, 1959 113, Seite 366-372 Online-Ressource (DE-627)300897561 (DE-600)1483548-4 (DE-576)094752451 1873-3859 nnns volume:113 pages:366-372 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 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_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 113 366-372 |
| spelling |
10.1016/j.electacta.2013.09.119 doi (DE-627)ELV004788141 (ELSEVIER)S0013-4686(13)01883-5 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Lei, M. verfasserin aut Durable platinum/graphene catalysts assisted with polydiallyldimethylammonium for proton-exchange membrane fuel cells 2013 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High performance and electrochemically stable Pt/graphene catalysts assisted with polydiallyldimethylammonium (PDDA) have been synthesized for PEM fuel cells. The preparation procedure and properties of the catalysts are investigated in detail. With the introduction of PDDA molecules, Pt nanoparticles can be well-dispersed on graphene support, resulting in improved electrochemical surface area and enhanced electrocatalytic activity. The corresponding electrochemical surface areas (ECSA) of catalyst layers calculated from the hydrogen desorption peak on cyclic voltammogram curves are 78.3, 72.5 and 73.6cm2 g−1 for catalyst layers with Pt/graphene, Pt-PDDA/graphene, and Pt/graphene-PDDA catalysts, respectively. Both PDDA modified Pt nanoparticles and PDDA modified graphene supports also exhibit high durability toward electrochemical oxidation cycles compared with the conventional produced Pt/graphene catalyst at the same conditions. After 3000 cycles, only 23.52% of the initial ECSA remains for Pt/graphene electrocatalyst whereas 43.04% and 37.7% of the initial ECSA for the Pt/graphene-PDDA and Pt-PDDA/graphene catalysts remain, respectively. Graphene Oxygen reduction catalyst Durability Proton-exchange membrane fuel cells Polydiallyldimethylammonium Liang, C. verfasserin aut Wang, Y.J. verfasserin aut Huang, K. verfasserin aut Ye, C.X. verfasserin aut Liu, G. verfasserin aut Wang, W.J. verfasserin aut Jin, S.F. verfasserin aut Zhang, R. verfasserin aut Fan, D.Y. verfasserin aut Yang, H.J. verfasserin aut Wang, Y.G. verfasserin aut Enthalten in Electrochimica acta New York, NY [u.a.] : Elsevier, 1959 113, Seite 366-372 Online-Ressource (DE-627)300897561 (DE-600)1483548-4 (DE-576)094752451 1873-3859 nnns volume:113 pages:366-372 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 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_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 113 366-372 |
| allfields_unstemmed |
10.1016/j.electacta.2013.09.119 doi (DE-627)ELV004788141 (ELSEVIER)S0013-4686(13)01883-5 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Lei, M. verfasserin aut Durable platinum/graphene catalysts assisted with polydiallyldimethylammonium for proton-exchange membrane fuel cells 2013 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High performance and electrochemically stable Pt/graphene catalysts assisted with polydiallyldimethylammonium (PDDA) have been synthesized for PEM fuel cells. The preparation procedure and properties of the catalysts are investigated in detail. With the introduction of PDDA molecules, Pt nanoparticles can be well-dispersed on graphene support, resulting in improved electrochemical surface area and enhanced electrocatalytic activity. The corresponding electrochemical surface areas (ECSA) of catalyst layers calculated from the hydrogen desorption peak on cyclic voltammogram curves are 78.3, 72.5 and 73.6cm2 g−1 for catalyst layers with Pt/graphene, Pt-PDDA/graphene, and Pt/graphene-PDDA catalysts, respectively. Both PDDA modified Pt nanoparticles and PDDA modified graphene supports also exhibit high durability toward electrochemical oxidation cycles compared with the conventional produced Pt/graphene catalyst at the same conditions. After 3000 cycles, only 23.52% of the initial ECSA remains for Pt/graphene electrocatalyst whereas 43.04% and 37.7% of the initial ECSA for the Pt/graphene-PDDA and Pt-PDDA/graphene catalysts remain, respectively. Graphene Oxygen reduction catalyst Durability Proton-exchange membrane fuel cells Polydiallyldimethylammonium Liang, C. verfasserin aut Wang, Y.J. verfasserin aut Huang, K. verfasserin aut Ye, C.X. verfasserin aut Liu, G. verfasserin aut Wang, W.J. verfasserin aut Jin, S.F. verfasserin aut Zhang, R. verfasserin aut Fan, D.Y. verfasserin aut Yang, H.J. verfasserin aut Wang, Y.G. verfasserin aut Enthalten in Electrochimica acta New York, NY [u.a.] : Elsevier, 1959 113, Seite 366-372 Online-Ressource (DE-627)300897561 (DE-600)1483548-4 (DE-576)094752451 1873-3859 nnns volume:113 pages:366-372 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 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_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 113 366-372 |
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10.1016/j.electacta.2013.09.119 doi (DE-627)ELV004788141 (ELSEVIER)S0013-4686(13)01883-5 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Lei, M. verfasserin aut Durable platinum/graphene catalysts assisted with polydiallyldimethylammonium for proton-exchange membrane fuel cells 2013 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High performance and electrochemically stable Pt/graphene catalysts assisted with polydiallyldimethylammonium (PDDA) have been synthesized for PEM fuel cells. The preparation procedure and properties of the catalysts are investigated in detail. With the introduction of PDDA molecules, Pt nanoparticles can be well-dispersed on graphene support, resulting in improved electrochemical surface area and enhanced electrocatalytic activity. The corresponding electrochemical surface areas (ECSA) of catalyst layers calculated from the hydrogen desorption peak on cyclic voltammogram curves are 78.3, 72.5 and 73.6cm2 g−1 for catalyst layers with Pt/graphene, Pt-PDDA/graphene, and Pt/graphene-PDDA catalysts, respectively. Both PDDA modified Pt nanoparticles and PDDA modified graphene supports also exhibit high durability toward electrochemical oxidation cycles compared with the conventional produced Pt/graphene catalyst at the same conditions. After 3000 cycles, only 23.52% of the initial ECSA remains for Pt/graphene electrocatalyst whereas 43.04% and 37.7% of the initial ECSA for the Pt/graphene-PDDA and Pt-PDDA/graphene catalysts remain, respectively. Graphene Oxygen reduction catalyst Durability Proton-exchange membrane fuel cells Polydiallyldimethylammonium Liang, C. verfasserin aut Wang, Y.J. verfasserin aut Huang, K. verfasserin aut Ye, C.X. verfasserin aut Liu, G. verfasserin aut Wang, W.J. verfasserin aut Jin, S.F. verfasserin aut Zhang, R. verfasserin aut Fan, D.Y. verfasserin aut Yang, H.J. verfasserin aut Wang, Y.G. verfasserin aut Enthalten in Electrochimica acta New York, NY [u.a.] : Elsevier, 1959 113, Seite 366-372 Online-Ressource (DE-627)300897561 (DE-600)1483548-4 (DE-576)094752451 1873-3859 nnns volume:113 pages:366-372 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 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_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 113 366-372 |
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10.1016/j.electacta.2013.09.119 doi (DE-627)ELV004788141 (ELSEVIER)S0013-4686(13)01883-5 DE-627 ger DE-627 rda eng 540 DE-600 35.00 bkl Lei, M. verfasserin aut Durable platinum/graphene catalysts assisted with polydiallyldimethylammonium for proton-exchange membrane fuel cells 2013 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High performance and electrochemically stable Pt/graphene catalysts assisted with polydiallyldimethylammonium (PDDA) have been synthesized for PEM fuel cells. The preparation procedure and properties of the catalysts are investigated in detail. With the introduction of PDDA molecules, Pt nanoparticles can be well-dispersed on graphene support, resulting in improved electrochemical surface area and enhanced electrocatalytic activity. The corresponding electrochemical surface areas (ECSA) of catalyst layers calculated from the hydrogen desorption peak on cyclic voltammogram curves are 78.3, 72.5 and 73.6cm2 g−1 for catalyst layers with Pt/graphene, Pt-PDDA/graphene, and Pt/graphene-PDDA catalysts, respectively. Both PDDA modified Pt nanoparticles and PDDA modified graphene supports also exhibit high durability toward electrochemical oxidation cycles compared with the conventional produced Pt/graphene catalyst at the same conditions. After 3000 cycles, only 23.52% of the initial ECSA remains for Pt/graphene electrocatalyst whereas 43.04% and 37.7% of the initial ECSA for the Pt/graphene-PDDA and Pt-PDDA/graphene catalysts remain, respectively. Graphene Oxygen reduction catalyst Durability Proton-exchange membrane fuel cells Polydiallyldimethylammonium Liang, C. verfasserin aut Wang, Y.J. verfasserin aut Huang, K. verfasserin aut Ye, C.X. verfasserin aut Liu, G. verfasserin aut Wang, W.J. verfasserin aut Jin, S.F. verfasserin aut Zhang, R. verfasserin aut Fan, D.Y. verfasserin aut Yang, H.J. verfasserin aut Wang, Y.G. verfasserin aut Enthalten in Electrochimica acta New York, NY [u.a.] : Elsevier, 1959 113, Seite 366-372 Online-Ressource (DE-627)300897561 (DE-600)1483548-4 (DE-576)094752451 1873-3859 nnns volume:113 pages:366-372 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 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_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 113 366-372 |
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Enthalten in Electrochimica acta 113, Seite 366-372 volume:113 pages:366-372 |
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Lei, M. @@aut@@ Liang, C. @@aut@@ Wang, Y.J. @@aut@@ Huang, K. @@aut@@ Ye, C.X. @@aut@@ Liu, G. @@aut@@ Wang, W.J. @@aut@@ Jin, S.F. @@aut@@ Zhang, R. @@aut@@ Fan, D.Y. @@aut@@ Yang, H.J. @@aut@@ Wang, Y.G. @@aut@@ |
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2013-01-01T00:00:00Z |
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Lei, M. |
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Lei, M. ddc 540 bkl 35.00 misc Graphene misc Oxygen reduction catalyst misc Durability misc Proton-exchange membrane fuel cells misc Polydiallyldimethylammonium Durable platinum/graphene catalysts assisted with polydiallyldimethylammonium for proton-exchange membrane fuel cells |
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540 DE-600 35.00 bkl Durable platinum/graphene catalysts assisted with polydiallyldimethylammonium for proton-exchange membrane fuel cells Graphene Oxygen reduction catalyst Durability Proton-exchange membrane fuel cells Polydiallyldimethylammonium |
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Durable platinum/graphene catalysts assisted with polydiallyldimethylammonium for proton-exchange membrane fuel cells |
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Lei, M. Liang, C. Wang, Y.J. Huang, K. Ye, C.X. Liu, G. Wang, W.J. Jin, S.F. Zhang, R. Fan, D.Y. Yang, H.J. Wang, Y.G. |
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durable platinum/graphene catalysts assisted with polydiallyldimethylammonium for proton-exchange membrane fuel cells |
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Durable platinum/graphene catalysts assisted with polydiallyldimethylammonium for proton-exchange membrane fuel cells |
| abstract |
High performance and electrochemically stable Pt/graphene catalysts assisted with polydiallyldimethylammonium (PDDA) have been synthesized for PEM fuel cells. The preparation procedure and properties of the catalysts are investigated in detail. With the introduction of PDDA molecules, Pt nanoparticles can be well-dispersed on graphene support, resulting in improved electrochemical surface area and enhanced electrocatalytic activity. The corresponding electrochemical surface areas (ECSA) of catalyst layers calculated from the hydrogen desorption peak on cyclic voltammogram curves are 78.3, 72.5 and 73.6cm2 g−1 for catalyst layers with Pt/graphene, Pt-PDDA/graphene, and Pt/graphene-PDDA catalysts, respectively. Both PDDA modified Pt nanoparticles and PDDA modified graphene supports also exhibit high durability toward electrochemical oxidation cycles compared with the conventional produced Pt/graphene catalyst at the same conditions. After 3000 cycles, only 23.52% of the initial ECSA remains for Pt/graphene electrocatalyst whereas 43.04% and 37.7% of the initial ECSA for the Pt/graphene-PDDA and Pt-PDDA/graphene catalysts remain, respectively. |
| abstractGer |
High performance and electrochemically stable Pt/graphene catalysts assisted with polydiallyldimethylammonium (PDDA) have been synthesized for PEM fuel cells. The preparation procedure and properties of the catalysts are investigated in detail. With the introduction of PDDA molecules, Pt nanoparticles can be well-dispersed on graphene support, resulting in improved electrochemical surface area and enhanced electrocatalytic activity. The corresponding electrochemical surface areas (ECSA) of catalyst layers calculated from the hydrogen desorption peak on cyclic voltammogram curves are 78.3, 72.5 and 73.6cm2 g−1 for catalyst layers with Pt/graphene, Pt-PDDA/graphene, and Pt/graphene-PDDA catalysts, respectively. Both PDDA modified Pt nanoparticles and PDDA modified graphene supports also exhibit high durability toward electrochemical oxidation cycles compared with the conventional produced Pt/graphene catalyst at the same conditions. After 3000 cycles, only 23.52% of the initial ECSA remains for Pt/graphene electrocatalyst whereas 43.04% and 37.7% of the initial ECSA for the Pt/graphene-PDDA and Pt-PDDA/graphene catalysts remain, respectively. |
| abstract_unstemmed |
High performance and electrochemically stable Pt/graphene catalysts assisted with polydiallyldimethylammonium (PDDA) have been synthesized for PEM fuel cells. The preparation procedure and properties of the catalysts are investigated in detail. With the introduction of PDDA molecules, Pt nanoparticles can be well-dispersed on graphene support, resulting in improved electrochemical surface area and enhanced electrocatalytic activity. The corresponding electrochemical surface areas (ECSA) of catalyst layers calculated from the hydrogen desorption peak on cyclic voltammogram curves are 78.3, 72.5 and 73.6cm2 g−1 for catalyst layers with Pt/graphene, Pt-PDDA/graphene, and Pt/graphene-PDDA catalysts, respectively. Both PDDA modified Pt nanoparticles and PDDA modified graphene supports also exhibit high durability toward electrochemical oxidation cycles compared with the conventional produced Pt/graphene catalyst at the same conditions. After 3000 cycles, only 23.52% of the initial ECSA remains for Pt/graphene electrocatalyst whereas 43.04% and 37.7% of the initial ECSA for the Pt/graphene-PDDA and Pt-PDDA/graphene catalysts remain, respectively. |
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Durable platinum/graphene catalysts assisted with polydiallyldimethylammonium for proton-exchange membrane fuel cells |
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Liang, C. Wang, Y.J. Huang, K. Ye, C.X. Liu, G. Wang, W.J. Jin, S.F. Zhang, R. Fan, D.Y. Yang, H.J. Wang, Y.G. |
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| score |
7.4010878 |