N-doped reduced graphene oxide decorated NiSe<ce:inf loc="post">2</ce:inf> nanoparticles for high-performance asymmetric supercapacitors
This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Gu, Yun [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2019transfer abstract |
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| Umfang: |
9 |
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| Übergeordnetes Werk: |
Enthalten in: Numerical modeling of wave–current forces acting on horizontal cylinder of marine structures by VOF method - Xiao, Hong ELSEVIER, 2013, the international journal on the science and technology of electrochemical energy systems, New York, NY [u.a.] |
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| Übergeordnetes Werk: |
volume:425 ; year:2019 ; day:15 ; month:06 ; pages:60-68 ; extent:9 |
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| DOI / URN: |
10.1016/j.jpowsour.2019.03.123 |
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ELV046568395 |
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| 245 | 1 | 0 | |a N-doped reduced graphene oxide decorated NiSe<ce:inf loc="post">2</ce:inf> nanoparticles for high-performance asymmetric supercapacitors |
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| 520 | |a This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. | ||
| 520 | |a This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. | ||
| 650 | 7 | |a N-doped grapahene |2 Elsevier | |
| 650 | 7 | |a Asymmetric supercapacitor |2 Elsevier | |
| 650 | 7 | |a NiSe<ce:inf loc="post">2</ce:inf> |2 Elsevier | |
| 650 | 7 | |a Pseudocapacitance |2 Elsevier | |
| 700 | 1 | |a Fan, Le-Qing |4 oth | |
| 700 | 1 | |a Huang, Jian-Ling |4 oth | |
| 700 | 1 | |a Geng, Cheng-Long |4 oth | |
| 700 | 1 | |a Lin, Jian-Ming |4 oth | |
| 700 | 1 | |a Huang, Miao-Liang |4 oth | |
| 700 | 1 | |a Huang, Yun-Fang |4 oth | |
| 700 | 1 | |a Wu, Ji-Huai |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Xiao, Hong ELSEVIER |t Numerical modeling of wave–current forces acting on horizontal cylinder of marine structures by VOF method |d 2013 |d the international journal on the science and technology of electrochemical energy systems |g New York, NY [u.a.] |w (DE-627)ELV00098745X |
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10.1016/j.jpowsour.2019.03.123 doi GBV00000000000603.pica (DE-627)ELV046568395 (ELSEVIER)S0378-7753(19)30384-2 DE-627 ger DE-627 rakwb eng 690 VZ 50.92 bkl Gu, Yun verfasserin aut N-doped reduced graphene oxide decorated NiSe<ce:inf loc="post">2</ce:inf> nanoparticles for high-performance asymmetric supercapacitors 2019transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. N-doped grapahene Elsevier Asymmetric supercapacitor Elsevier NiSe<ce:inf loc="post">2</ce:inf> Elsevier Pseudocapacitance Elsevier Fan, Le-Qing oth Huang, Jian-Ling oth Geng, Cheng-Long oth Lin, Jian-Ming oth Huang, Miao-Liang oth Huang, Yun-Fang oth Wu, Ji-Huai oth Enthalten in Elsevier Xiao, Hong ELSEVIER Numerical modeling of wave–current forces acting on horizontal cylinder of marine structures by VOF method 2013 the international journal on the science and technology of electrochemical energy systems New York, NY [u.a.] (DE-627)ELV00098745X volume:425 year:2019 day:15 month:06 pages:60-68 extent:9 https://doi.org/10.1016/j.jpowsour.2019.03.123 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 50.92 Meerestechnik VZ AR 425 2019 15 0615 60-68 9 |
| spelling |
10.1016/j.jpowsour.2019.03.123 doi GBV00000000000603.pica (DE-627)ELV046568395 (ELSEVIER)S0378-7753(19)30384-2 DE-627 ger DE-627 rakwb eng 690 VZ 50.92 bkl Gu, Yun verfasserin aut N-doped reduced graphene oxide decorated NiSe<ce:inf loc="post">2</ce:inf> nanoparticles for high-performance asymmetric supercapacitors 2019transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. N-doped grapahene Elsevier Asymmetric supercapacitor Elsevier NiSe<ce:inf loc="post">2</ce:inf> Elsevier Pseudocapacitance Elsevier Fan, Le-Qing oth Huang, Jian-Ling oth Geng, Cheng-Long oth Lin, Jian-Ming oth Huang, Miao-Liang oth Huang, Yun-Fang oth Wu, Ji-Huai oth Enthalten in Elsevier Xiao, Hong ELSEVIER Numerical modeling of wave–current forces acting on horizontal cylinder of marine structures by VOF method 2013 the international journal on the science and technology of electrochemical energy systems New York, NY [u.a.] (DE-627)ELV00098745X volume:425 year:2019 day:15 month:06 pages:60-68 extent:9 https://doi.org/10.1016/j.jpowsour.2019.03.123 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 50.92 Meerestechnik VZ AR 425 2019 15 0615 60-68 9 |
| allfields_unstemmed |
10.1016/j.jpowsour.2019.03.123 doi GBV00000000000603.pica (DE-627)ELV046568395 (ELSEVIER)S0378-7753(19)30384-2 DE-627 ger DE-627 rakwb eng 690 VZ 50.92 bkl Gu, Yun verfasserin aut N-doped reduced graphene oxide decorated NiSe<ce:inf loc="post">2</ce:inf> nanoparticles for high-performance asymmetric supercapacitors 2019transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. N-doped grapahene Elsevier Asymmetric supercapacitor Elsevier NiSe<ce:inf loc="post">2</ce:inf> Elsevier Pseudocapacitance Elsevier Fan, Le-Qing oth Huang, Jian-Ling oth Geng, Cheng-Long oth Lin, Jian-Ming oth Huang, Miao-Liang oth Huang, Yun-Fang oth Wu, Ji-Huai oth Enthalten in Elsevier Xiao, Hong ELSEVIER Numerical modeling of wave–current forces acting on horizontal cylinder of marine structures by VOF method 2013 the international journal on the science and technology of electrochemical energy systems New York, NY [u.a.] (DE-627)ELV00098745X volume:425 year:2019 day:15 month:06 pages:60-68 extent:9 https://doi.org/10.1016/j.jpowsour.2019.03.123 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 50.92 Meerestechnik VZ AR 425 2019 15 0615 60-68 9 |
| allfieldsGer |
10.1016/j.jpowsour.2019.03.123 doi GBV00000000000603.pica (DE-627)ELV046568395 (ELSEVIER)S0378-7753(19)30384-2 DE-627 ger DE-627 rakwb eng 690 VZ 50.92 bkl Gu, Yun verfasserin aut N-doped reduced graphene oxide decorated NiSe<ce:inf loc="post">2</ce:inf> nanoparticles for high-performance asymmetric supercapacitors 2019transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. N-doped grapahene Elsevier Asymmetric supercapacitor Elsevier NiSe<ce:inf loc="post">2</ce:inf> Elsevier Pseudocapacitance Elsevier Fan, Le-Qing oth Huang, Jian-Ling oth Geng, Cheng-Long oth Lin, Jian-Ming oth Huang, Miao-Liang oth Huang, Yun-Fang oth Wu, Ji-Huai oth Enthalten in Elsevier Xiao, Hong ELSEVIER Numerical modeling of wave–current forces acting on horizontal cylinder of marine structures by VOF method 2013 the international journal on the science and technology of electrochemical energy systems New York, NY [u.a.] (DE-627)ELV00098745X volume:425 year:2019 day:15 month:06 pages:60-68 extent:9 https://doi.org/10.1016/j.jpowsour.2019.03.123 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 50.92 Meerestechnik VZ AR 425 2019 15 0615 60-68 9 |
| allfieldsSound |
10.1016/j.jpowsour.2019.03.123 doi GBV00000000000603.pica (DE-627)ELV046568395 (ELSEVIER)S0378-7753(19)30384-2 DE-627 ger DE-627 rakwb eng 690 VZ 50.92 bkl Gu, Yun verfasserin aut N-doped reduced graphene oxide decorated NiSe<ce:inf loc="post">2</ce:inf> nanoparticles for high-performance asymmetric supercapacitors 2019transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. N-doped grapahene Elsevier Asymmetric supercapacitor Elsevier NiSe<ce:inf loc="post">2</ce:inf> Elsevier Pseudocapacitance Elsevier Fan, Le-Qing oth Huang, Jian-Ling oth Geng, Cheng-Long oth Lin, Jian-Ming oth Huang, Miao-Liang oth Huang, Yun-Fang oth Wu, Ji-Huai oth Enthalten in Elsevier Xiao, Hong ELSEVIER Numerical modeling of wave–current forces acting on horizontal cylinder of marine structures by VOF method 2013 the international journal on the science and technology of electrochemical energy systems New York, NY [u.a.] (DE-627)ELV00098745X volume:425 year:2019 day:15 month:06 pages:60-68 extent:9 https://doi.org/10.1016/j.jpowsour.2019.03.123 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 50.92 Meerestechnik VZ AR 425 2019 15 0615 60-68 9 |
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Enthalten in Numerical modeling of wave–current forces acting on horizontal cylinder of marine structures by VOF method New York, NY [u.a.] volume:425 year:2019 day:15 month:06 pages:60-68 extent:9 |
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N-doped reduced graphene oxide decorated NiSe<ce:inf loc="post">2</ce:inf> nanoparticles for high-performance asymmetric supercapacitors |
| abstract |
This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. |
| abstractGer |
This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. |
| abstract_unstemmed |
This work reports the preparation of N-doped reduced graphene oxide decorated NiSe2 nanoparticles (N-rGO/NiSe2) in the presence of different amount of graphene oxide reactant by a simple two-step process, which contains hydrothermal preparation of Ni(OH)2 precursor and then solvothermal synthesis of N-rGO/NiSe2 composites with different content of N-rGO. The as-prepared N-rGO/NiSe2 composites is characterized by power X-ray diffraction, Raman spectroscopy, high-resolution X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy and N2 adsorption–desorption isotherm. The results show that N-rGO acts as supporter of NiSe2 nanoparticles to prevent them from aggregation, leading to the increase in specific surface area and electrical conductivity of material. The optimized N-rGO/NiSe2 composite can deliver high specific capacitance of 2451.4 F g−1 at a current density of 1 A g−1. Using activated carbon (AC) as negative electrode and the optimized N-rGO/NiSe2 composite as positive electrode, an asymmetric supercapacitor is constructed. This fabricated asymmetric supercapacitor can work stably under the potential window of 0–1.6 V, and presents the maximum energy density of 40.5 Wh kg−1 at a power density of 841.5 W kg−1. Moreover, the N-rGO/NiSe2//AC asymmetric supercapacitor exhibits good cyclic stability. |
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N-doped reduced graphene oxide decorated NiSe<ce:inf loc="post">2</ce:inf> nanoparticles for high-performance asymmetric supercapacitors |
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