Mesoporous nitrogen-doped graphene aerogels with enhanced rate capability towards high performance supercapacitors
In this work, a novel preparation method and architecture of mesoporous nitrogen-doped graphene aerogels (GAs) using electrostatic attraction are reported. The sacrificial template, positively charged SiO2 nanoparticles by using (3-Animopropyl) triethoxysilane (3-APTS), can significantly decrease th...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Yuan, Wenyu [verfasserIn] Cheng, Laifei [verfasserIn] Zhang, Yani [verfasserIn] Li, Yuanqing [verfasserIn] Guo, Xiaohui [verfasserIn] Wu, Heng [verfasserIn] Zheng, Lianxi [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Ceramics international - Amsterdam [u.a.] : Elsevier Science, 1995, 43, Seite 11563-11568 |
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| Übergeordnetes Werk: |
volume:43 ; pages:11563-11568 |
| DOI / URN: |
10.1016/j.ceramint.2017.05.087 |
|---|
| Katalog-ID: |
ELV000398845 |
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| 245 | 1 | 0 | |a Mesoporous nitrogen-doped graphene aerogels with enhanced rate capability towards high performance supercapacitors |
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| 520 | |a In this work, a novel preparation method and architecture of mesoporous nitrogen-doped graphene aerogels (GAs) using electrostatic attraction are reported. The sacrificial template, positively charged SiO2 nanoparticles by using (3-Animopropyl) triethoxysilane (3-APTS), can significantly decrease the spacing between graphene oxide sheets, due to the strong electrostatic attraction between the graphene oxide and SiO2. After the etching of templates, the ratio of mesopores is greatly increased, and the electrochemical performances of electrodes are enhanced. The mesoporous GAs yield an enhanced specific capacitance of 203F/g at a current density of 1A/g, and a capacitance fade of only 8.95% at a high current density of 20A/g, indicating improved ion transport in mesoporous architecture. The controllable synthesized method can be further applied to prepare other mesoporous materials and such mesoporous nitrogen-doped GAs have great potential in high rate performance supercapacitors. | ||
| 650 | 4 | |a Graphene aerogels | |
| 650 | 4 | |a Mesopores | |
| 650 | 4 | |a Rate capability | |
| 650 | 4 | |a Capacitance retention | |
| 700 | 1 | |a Cheng, Laifei |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yani |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yuanqing |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Xiaohui |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Heng |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Lianxi |e verfasserin |4 aut | |
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10.1016/j.ceramint.2017.05.087 doi (DE-627)ELV000398845 (ELSEVIER)S0272-8842(17)30888-X DE-627 ger DE-627 rda eng 670 DE-600 51.60 bkl 58.45 bkl Yuan, Wenyu verfasserin aut Mesoporous nitrogen-doped graphene aerogels with enhanced rate capability towards high performance supercapacitors 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, a novel preparation method and architecture of mesoporous nitrogen-doped graphene aerogels (GAs) using electrostatic attraction are reported. The sacrificial template, positively charged SiO2 nanoparticles by using (3-Animopropyl) triethoxysilane (3-APTS), can significantly decrease the spacing between graphene oxide sheets, due to the strong electrostatic attraction between the graphene oxide and SiO2. After the etching of templates, the ratio of mesopores is greatly increased, and the electrochemical performances of electrodes are enhanced. The mesoporous GAs yield an enhanced specific capacitance of 203F/g at a current density of 1A/g, and a capacitance fade of only 8.95% at a high current density of 20A/g, indicating improved ion transport in mesoporous architecture. The controllable synthesized method can be further applied to prepare other mesoporous materials and such mesoporous nitrogen-doped GAs have great potential in high rate performance supercapacitors. Graphene aerogels Mesopores Rate capability Capacitance retention Cheng, Laifei verfasserin aut Zhang, Yani verfasserin aut Li, Yuanqing verfasserin aut Guo, Xiaohui verfasserin aut Wu, Heng verfasserin aut Zheng, Lianxi verfasserin aut Enthalten in Ceramics international Amsterdam [u.a.] : Elsevier Science, 1995 43, Seite 11563-11568 Online-Ressource (DE-627)320584305 (DE-600)2018052-4 (DE-576)25523063X 0272-8842 nnns volume:43 pages:11563-11568 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_34 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_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_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 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_2056 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_2098 GBV_ILN_2106 GBV_ILN_2108 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_2470 GBV_ILN_2507 GBV_ILN_2522 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_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.60 Keramische Werkstoffe Hartstoffe Werkstoffkunde 58.45 Gesteinshüttenkunde AR 43 11563-11568 |
| spelling |
10.1016/j.ceramint.2017.05.087 doi (DE-627)ELV000398845 (ELSEVIER)S0272-8842(17)30888-X DE-627 ger DE-627 rda eng 670 DE-600 51.60 bkl 58.45 bkl Yuan, Wenyu verfasserin aut Mesoporous nitrogen-doped graphene aerogels with enhanced rate capability towards high performance supercapacitors 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, a novel preparation method and architecture of mesoporous nitrogen-doped graphene aerogels (GAs) using electrostatic attraction are reported. The sacrificial template, positively charged SiO2 nanoparticles by using (3-Animopropyl) triethoxysilane (3-APTS), can significantly decrease the spacing between graphene oxide sheets, due to the strong electrostatic attraction between the graphene oxide and SiO2. After the etching of templates, the ratio of mesopores is greatly increased, and the electrochemical performances of electrodes are enhanced. The mesoporous GAs yield an enhanced specific capacitance of 203F/g at a current density of 1A/g, and a capacitance fade of only 8.95% at a high current density of 20A/g, indicating improved ion transport in mesoporous architecture. The controllable synthesized method can be further applied to prepare other mesoporous materials and such mesoporous nitrogen-doped GAs have great potential in high rate performance supercapacitors. Graphene aerogels Mesopores Rate capability Capacitance retention Cheng, Laifei verfasserin aut Zhang, Yani verfasserin aut Li, Yuanqing verfasserin aut Guo, Xiaohui verfasserin aut Wu, Heng verfasserin aut Zheng, Lianxi verfasserin aut Enthalten in Ceramics international Amsterdam [u.a.] : Elsevier Science, 1995 43, Seite 11563-11568 Online-Ressource (DE-627)320584305 (DE-600)2018052-4 (DE-576)25523063X 0272-8842 nnns volume:43 pages:11563-11568 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_34 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_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_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 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_2056 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_2098 GBV_ILN_2106 GBV_ILN_2108 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_2470 GBV_ILN_2507 GBV_ILN_2522 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_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.60 Keramische Werkstoffe Hartstoffe Werkstoffkunde 58.45 Gesteinshüttenkunde AR 43 11563-11568 |
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10.1016/j.ceramint.2017.05.087 doi (DE-627)ELV000398845 (ELSEVIER)S0272-8842(17)30888-X DE-627 ger DE-627 rda eng 670 DE-600 51.60 bkl 58.45 bkl Yuan, Wenyu verfasserin aut Mesoporous nitrogen-doped graphene aerogels with enhanced rate capability towards high performance supercapacitors 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, a novel preparation method and architecture of mesoporous nitrogen-doped graphene aerogels (GAs) using electrostatic attraction are reported. The sacrificial template, positively charged SiO2 nanoparticles by using (3-Animopropyl) triethoxysilane (3-APTS), can significantly decrease the spacing between graphene oxide sheets, due to the strong electrostatic attraction between the graphene oxide and SiO2. After the etching of templates, the ratio of mesopores is greatly increased, and the electrochemical performances of electrodes are enhanced. The mesoporous GAs yield an enhanced specific capacitance of 203F/g at a current density of 1A/g, and a capacitance fade of only 8.95% at a high current density of 20A/g, indicating improved ion transport in mesoporous architecture. The controllable synthesized method can be further applied to prepare other mesoporous materials and such mesoporous nitrogen-doped GAs have great potential in high rate performance supercapacitors. Graphene aerogels Mesopores Rate capability Capacitance retention Cheng, Laifei verfasserin aut Zhang, Yani verfasserin aut Li, Yuanqing verfasserin aut Guo, Xiaohui verfasserin aut Wu, Heng verfasserin aut Zheng, Lianxi verfasserin aut Enthalten in Ceramics international Amsterdam [u.a.] : Elsevier Science, 1995 43, Seite 11563-11568 Online-Ressource (DE-627)320584305 (DE-600)2018052-4 (DE-576)25523063X 0272-8842 nnns volume:43 pages:11563-11568 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_34 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_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_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 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_2056 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_2098 GBV_ILN_2106 GBV_ILN_2108 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_2470 GBV_ILN_2507 GBV_ILN_2522 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_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.60 Keramische Werkstoffe Hartstoffe Werkstoffkunde 58.45 Gesteinshüttenkunde AR 43 11563-11568 |
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10.1016/j.ceramint.2017.05.087 doi (DE-627)ELV000398845 (ELSEVIER)S0272-8842(17)30888-X DE-627 ger DE-627 rda eng 670 DE-600 51.60 bkl 58.45 bkl Yuan, Wenyu verfasserin aut Mesoporous nitrogen-doped graphene aerogels with enhanced rate capability towards high performance supercapacitors 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, a novel preparation method and architecture of mesoporous nitrogen-doped graphene aerogels (GAs) using electrostatic attraction are reported. The sacrificial template, positively charged SiO2 nanoparticles by using (3-Animopropyl) triethoxysilane (3-APTS), can significantly decrease the spacing between graphene oxide sheets, due to the strong electrostatic attraction between the graphene oxide and SiO2. After the etching of templates, the ratio of mesopores is greatly increased, and the electrochemical performances of electrodes are enhanced. The mesoporous GAs yield an enhanced specific capacitance of 203F/g at a current density of 1A/g, and a capacitance fade of only 8.95% at a high current density of 20A/g, indicating improved ion transport in mesoporous architecture. The controllable synthesized method can be further applied to prepare other mesoporous materials and such mesoporous nitrogen-doped GAs have great potential in high rate performance supercapacitors. Graphene aerogels Mesopores Rate capability Capacitance retention Cheng, Laifei verfasserin aut Zhang, Yani verfasserin aut Li, Yuanqing verfasserin aut Guo, Xiaohui verfasserin aut Wu, Heng verfasserin aut Zheng, Lianxi verfasserin aut Enthalten in Ceramics international Amsterdam [u.a.] : Elsevier Science, 1995 43, Seite 11563-11568 Online-Ressource (DE-627)320584305 (DE-600)2018052-4 (DE-576)25523063X 0272-8842 nnns volume:43 pages:11563-11568 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_34 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_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_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 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_2056 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_2098 GBV_ILN_2106 GBV_ILN_2108 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_2470 GBV_ILN_2507 GBV_ILN_2522 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_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.60 Keramische Werkstoffe Hartstoffe Werkstoffkunde 58.45 Gesteinshüttenkunde AR 43 11563-11568 |
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10.1016/j.ceramint.2017.05.087 doi (DE-627)ELV000398845 (ELSEVIER)S0272-8842(17)30888-X DE-627 ger DE-627 rda eng 670 DE-600 51.60 bkl 58.45 bkl Yuan, Wenyu verfasserin aut Mesoporous nitrogen-doped graphene aerogels with enhanced rate capability towards high performance supercapacitors 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, a novel preparation method and architecture of mesoporous nitrogen-doped graphene aerogels (GAs) using electrostatic attraction are reported. The sacrificial template, positively charged SiO2 nanoparticles by using (3-Animopropyl) triethoxysilane (3-APTS), can significantly decrease the spacing between graphene oxide sheets, due to the strong electrostatic attraction between the graphene oxide and SiO2. After the etching of templates, the ratio of mesopores is greatly increased, and the electrochemical performances of electrodes are enhanced. The mesoporous GAs yield an enhanced specific capacitance of 203F/g at a current density of 1A/g, and a capacitance fade of only 8.95% at a high current density of 20A/g, indicating improved ion transport in mesoporous architecture. The controllable synthesized method can be further applied to prepare other mesoporous materials and such mesoporous nitrogen-doped GAs have great potential in high rate performance supercapacitors. Graphene aerogels Mesopores Rate capability Capacitance retention Cheng, Laifei verfasserin aut Zhang, Yani verfasserin aut Li, Yuanqing verfasserin aut Guo, Xiaohui verfasserin aut Wu, Heng verfasserin aut Zheng, Lianxi verfasserin aut Enthalten in Ceramics international Amsterdam [u.a.] : Elsevier Science, 1995 43, Seite 11563-11568 Online-Ressource (DE-627)320584305 (DE-600)2018052-4 (DE-576)25523063X 0272-8842 nnns volume:43 pages:11563-11568 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_34 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_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_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 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_2056 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_2098 GBV_ILN_2106 GBV_ILN_2108 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_2470 GBV_ILN_2507 GBV_ILN_2522 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_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.60 Keramische Werkstoffe Hartstoffe Werkstoffkunde 58.45 Gesteinshüttenkunde AR 43 11563-11568 |
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Yuan, Wenyu @@aut@@ Cheng, Laifei @@aut@@ Zhang, Yani @@aut@@ Li, Yuanqing @@aut@@ Guo, Xiaohui @@aut@@ Wu, Heng @@aut@@ Zheng, Lianxi @@aut@@ |
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Yuan, Wenyu |
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Yuan, Wenyu ddc 670 bkl 51.60 bkl 58.45 misc Graphene aerogels misc Mesopores misc Rate capability misc Capacitance retention Mesoporous nitrogen-doped graphene aerogels with enhanced rate capability towards high performance supercapacitors |
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670 DE-600 51.60 bkl 58.45 bkl Mesoporous nitrogen-doped graphene aerogels with enhanced rate capability towards high performance supercapacitors Graphene aerogels Mesopores Rate capability Capacitance retention |
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mesoporous nitrogen-doped graphene aerogels with enhanced rate capability towards high performance supercapacitors |
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Mesoporous nitrogen-doped graphene aerogels with enhanced rate capability towards high performance supercapacitors |
| abstract |
In this work, a novel preparation method and architecture of mesoporous nitrogen-doped graphene aerogels (GAs) using electrostatic attraction are reported. The sacrificial template, positively charged SiO2 nanoparticles by using (3-Animopropyl) triethoxysilane (3-APTS), can significantly decrease the spacing between graphene oxide sheets, due to the strong electrostatic attraction between the graphene oxide and SiO2. After the etching of templates, the ratio of mesopores is greatly increased, and the electrochemical performances of electrodes are enhanced. The mesoporous GAs yield an enhanced specific capacitance of 203F/g at a current density of 1A/g, and a capacitance fade of only 8.95% at a high current density of 20A/g, indicating improved ion transport in mesoporous architecture. The controllable synthesized method can be further applied to prepare other mesoporous materials and such mesoporous nitrogen-doped GAs have great potential in high rate performance supercapacitors. |
| abstractGer |
In this work, a novel preparation method and architecture of mesoporous nitrogen-doped graphene aerogels (GAs) using electrostatic attraction are reported. The sacrificial template, positively charged SiO2 nanoparticles by using (3-Animopropyl) triethoxysilane (3-APTS), can significantly decrease the spacing between graphene oxide sheets, due to the strong electrostatic attraction between the graphene oxide and SiO2. After the etching of templates, the ratio of mesopores is greatly increased, and the electrochemical performances of electrodes are enhanced. The mesoporous GAs yield an enhanced specific capacitance of 203F/g at a current density of 1A/g, and a capacitance fade of only 8.95% at a high current density of 20A/g, indicating improved ion transport in mesoporous architecture. The controllable synthesized method can be further applied to prepare other mesoporous materials and such mesoporous nitrogen-doped GAs have great potential in high rate performance supercapacitors. |
| abstract_unstemmed |
In this work, a novel preparation method and architecture of mesoporous nitrogen-doped graphene aerogels (GAs) using electrostatic attraction are reported. The sacrificial template, positively charged SiO2 nanoparticles by using (3-Animopropyl) triethoxysilane (3-APTS), can significantly decrease the spacing between graphene oxide sheets, due to the strong electrostatic attraction between the graphene oxide and SiO2. After the etching of templates, the ratio of mesopores is greatly increased, and the electrochemical performances of electrodes are enhanced. The mesoporous GAs yield an enhanced specific capacitance of 203F/g at a current density of 1A/g, and a capacitance fade of only 8.95% at a high current density of 20A/g, indicating improved ion transport in mesoporous architecture. The controllable synthesized method can be further applied to prepare other mesoporous materials and such mesoporous nitrogen-doped GAs have great potential in high rate performance supercapacitors. |
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