Facile synthesis of low-cost Fe3C-nitrogen and phosphorus co-doped porous carbon nanofibers: The efficient hydrogen evolution reaction catalysts
Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as F...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Liu, Xiaotian [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
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2021transfer abstract |
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| Übergeordnetes Werk: |
Enthalten in: Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners - Jacobs, Jacquelyn A. ELSEVIER, 2017, JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics, Lausanne |
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| Übergeordnetes Werk: |
volume:856 ; year:2021 ; day:5 ; month:03 ; pages:0 |
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| DOI / URN: |
10.1016/j.jallcom.2020.156213 |
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ELV052865312 |
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| 245 | 1 | 0 | |a Facile synthesis of low-cost Fe3C-nitrogen and phosphorus co-doped porous carbon nanofibers: The efficient hydrogen evolution reaction catalysts |
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| 520 | |a Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. | ||
| 520 | |a Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. | ||
| 650 | 7 | |a Acid electrolyte |2 Elsevier | |
| 650 | 7 | |a Hydrogen evolution reaction |2 Elsevier | |
| 650 | 7 | |a Water electrolysis |2 Elsevier | |
| 650 | 7 | |a N and P Co-doping |2 Elsevier | |
| 650 | 7 | |a Hierarchically porous carbon nanowires |2 Elsevier | |
| 700 | 1 | |a Yin, Yongli |4 oth | |
| 700 | 1 | |a Xiong, Kai |4 oth | |
| 700 | 1 | |a Li, Mingyu |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Jacobs, Jacquelyn A. ELSEVIER |t Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners |d 2017 |d JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics |g Lausanne |w (DE-627)ELV001115774 |
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10.1016/j.jallcom.2020.156213 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001443.pica (DE-627)ELV052865312 (ELSEVIER)S0925-8388(20)32577-9 DE-627 ger DE-627 rakwb eng 630 VZ Liu, Xiaotian verfasserin aut Facile synthesis of low-cost Fe3C-nitrogen and phosphorus co-doped porous carbon nanofibers: The efficient hydrogen evolution reaction catalysts 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. Acid electrolyte Elsevier Hydrogen evolution reaction Elsevier Water electrolysis Elsevier N and P Co-doping Elsevier Hierarchically porous carbon nanowires Elsevier Yin, Yongli oth Xiong, Kai oth Li, Mingyu oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:856 year:2021 day:5 month:03 pages:0 https://doi.org/10.1016/j.jallcom.2020.156213 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 856 2021 5 0305 0 |
| spelling |
10.1016/j.jallcom.2020.156213 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001443.pica (DE-627)ELV052865312 (ELSEVIER)S0925-8388(20)32577-9 DE-627 ger DE-627 rakwb eng 630 VZ Liu, Xiaotian verfasserin aut Facile synthesis of low-cost Fe3C-nitrogen and phosphorus co-doped porous carbon nanofibers: The efficient hydrogen evolution reaction catalysts 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. Acid electrolyte Elsevier Hydrogen evolution reaction Elsevier Water electrolysis Elsevier N and P Co-doping Elsevier Hierarchically porous carbon nanowires Elsevier Yin, Yongli oth Xiong, Kai oth Li, Mingyu oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:856 year:2021 day:5 month:03 pages:0 https://doi.org/10.1016/j.jallcom.2020.156213 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 856 2021 5 0305 0 |
| allfields_unstemmed |
10.1016/j.jallcom.2020.156213 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001443.pica (DE-627)ELV052865312 (ELSEVIER)S0925-8388(20)32577-9 DE-627 ger DE-627 rakwb eng 630 VZ Liu, Xiaotian verfasserin aut Facile synthesis of low-cost Fe3C-nitrogen and phosphorus co-doped porous carbon nanofibers: The efficient hydrogen evolution reaction catalysts 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. Acid electrolyte Elsevier Hydrogen evolution reaction Elsevier Water electrolysis Elsevier N and P Co-doping Elsevier Hierarchically porous carbon nanowires Elsevier Yin, Yongli oth Xiong, Kai oth Li, Mingyu oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:856 year:2021 day:5 month:03 pages:0 https://doi.org/10.1016/j.jallcom.2020.156213 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 856 2021 5 0305 0 |
| allfieldsGer |
10.1016/j.jallcom.2020.156213 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001443.pica (DE-627)ELV052865312 (ELSEVIER)S0925-8388(20)32577-9 DE-627 ger DE-627 rakwb eng 630 VZ Liu, Xiaotian verfasserin aut Facile synthesis of low-cost Fe3C-nitrogen and phosphorus co-doped porous carbon nanofibers: The efficient hydrogen evolution reaction catalysts 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. Acid electrolyte Elsevier Hydrogen evolution reaction Elsevier Water electrolysis Elsevier N and P Co-doping Elsevier Hierarchically porous carbon nanowires Elsevier Yin, Yongli oth Xiong, Kai oth Li, Mingyu oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:856 year:2021 day:5 month:03 pages:0 https://doi.org/10.1016/j.jallcom.2020.156213 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 856 2021 5 0305 0 |
| allfieldsSound |
10.1016/j.jallcom.2020.156213 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001443.pica (DE-627)ELV052865312 (ELSEVIER)S0925-8388(20)32577-9 DE-627 ger DE-627 rakwb eng 630 VZ Liu, Xiaotian verfasserin aut Facile synthesis of low-cost Fe3C-nitrogen and phosphorus co-doped porous carbon nanofibers: The efficient hydrogen evolution reaction catalysts 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. Acid electrolyte Elsevier Hydrogen evolution reaction Elsevier Water electrolysis Elsevier N and P Co-doping Elsevier Hierarchically porous carbon nanowires Elsevier Yin, Yongli oth Xiong, Kai oth Li, Mingyu oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:856 year:2021 day:5 month:03 pages:0 https://doi.org/10.1016/j.jallcom.2020.156213 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 856 2021 5 0305 0 |
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Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners |
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facile synthesis of low-cost fe3c-nitrogen and phosphorus co-doped porous carbon nanofibers: the efficient hydrogen evolution reaction catalysts |
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Facile synthesis of low-cost Fe3C-nitrogen and phosphorus co-doped porous carbon nanofibers: The efficient hydrogen evolution reaction catalysts |
| abstract |
Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. |
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Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. |
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Developing high-efficiency Fe-based catalysts towards HER (hydrogen evolution reaction) is critical to cheaply produce clean hydrogen energy by water electrolysis. In this paper, we design a novel Fe3C nanoparticles embedded and nitrogen and phosphorus co-doped porous carbon nanofibers (denoted as Fe3C-NP-PCFs). As the activation efficacy of phosphoric acid in the pyrolysis processes, the resultant 3D Fe3C-NP-PCFs networks acquire a larger surface area, more meso/macroporous structures, more carbon edges/defects and more HER active sites (such as Fe3CC units, N–C bonds and P–C bonds) than the Fe3C–N-PCFs control sample. The electrochemical test results indicate that the optimal Fe3C-NP-PCFs display excellent E onset and E 10 values of −113.61 and −197.85 mV vs. RHE toward HER in 0.5 M H2SO4, which are just 80 and 132 mV more negative than those of commercially available 20 wt% Pt/C (E onset = −33.86 mV vs. RHE and E 10 = −65.75 mV vs. RHE), respectively. Meanwhile, the Fe3C-NP-PCFs also exhibit a superior long-term stability toward HER catalysis. At last, this work opens a new avenue for further boosting the HER catalytic ability of Fe-based electrocatalysts, which may expedite the commercialization processes of Fe-based HER electrocatalysts. |
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