Nickel catalyst migration in an anion exchange membrane fuel cell
Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC c...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Xie, Lin [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020transfer abstract |
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| Übergeordnetes Werk: |
Enthalten in: Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch - Zhang, Lei ELSEVIER, 2018, the journal of the International Society of Electrochemistry (ISE), New York, NY [u.a.] |
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| Übergeordnetes Werk: |
volume:364 ; year:2020 ; day:20 ; month:12 ; pages:0 |
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| DOI / URN: |
10.1016/j.electacta.2020.137091 |
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| 520 | |a Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. | ||
| 520 | |a Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. | ||
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10.1016/j.electacta.2020.137091 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001200.pica (DE-627)ELV051998173 (ELSEVIER)S0013-4686(20)31484-5 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Xie, Lin verfasserin aut Nickel catalyst migration in an anion exchange membrane fuel cell 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. Kirk, Donald W. oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:364 year:2020 day:20 month:12 pages:0 https://doi.org/10.1016/j.electacta.2020.137091 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 364 2020 20 1220 0 |
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10.1016/j.electacta.2020.137091 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001200.pica (DE-627)ELV051998173 (ELSEVIER)S0013-4686(20)31484-5 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Xie, Lin verfasserin aut Nickel catalyst migration in an anion exchange membrane fuel cell 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. Kirk, Donald W. oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:364 year:2020 day:20 month:12 pages:0 https://doi.org/10.1016/j.electacta.2020.137091 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 364 2020 20 1220 0 |
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10.1016/j.electacta.2020.137091 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001200.pica (DE-627)ELV051998173 (ELSEVIER)S0013-4686(20)31484-5 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Xie, Lin verfasserin aut Nickel catalyst migration in an anion exchange membrane fuel cell 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. Kirk, Donald W. oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:364 year:2020 day:20 month:12 pages:0 https://doi.org/10.1016/j.electacta.2020.137091 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 364 2020 20 1220 0 |
| allfieldsGer |
10.1016/j.electacta.2020.137091 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001200.pica (DE-627)ELV051998173 (ELSEVIER)S0013-4686(20)31484-5 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Xie, Lin verfasserin aut Nickel catalyst migration in an anion exchange membrane fuel cell 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. Kirk, Donald W. oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:364 year:2020 day:20 month:12 pages:0 https://doi.org/10.1016/j.electacta.2020.137091 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 364 2020 20 1220 0 |
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10.1016/j.electacta.2020.137091 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001200.pica (DE-627)ELV051998173 (ELSEVIER)S0013-4686(20)31484-5 DE-627 ger DE-627 rakwb eng 610 VZ 44.00 bkl Xie, Lin verfasserin aut Nickel catalyst migration in an anion exchange membrane fuel cell 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. Kirk, Donald W. oth Enthalten in Elsevier Zhang, Lei ELSEVIER Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch 2018 the journal of the International Society of Electrochemistry (ISE) New York, NY [u.a.] (DE-627)ELV001212419 volume:364 year:2020 day:20 month:12 pages:0 https://doi.org/10.1016/j.electacta.2020.137091 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.00 Medizin: Allgemeines VZ AR 364 2020 20 1220 0 |
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Enthalten in Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch New York, NY [u.a.] volume:364 year:2020 day:20 month:12 pages:0 |
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Enthalten in Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch New York, NY [u.a.] volume:364 year:2020 day:20 month:12 pages:0 |
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Computed tomographic morphometric analysis of lateral inclination C1 pedicle screw for atlantoaxial instability patients with a narrow C1 posterior arch |
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Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. 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Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. |
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Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. |
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Nickel materials have been widely studied as non-platinum group metal (non-PGM) cathode catalysts for anion exchange membrane fuel cells (AEMFC). Although the stability of Ni based catalysts has been tested by accelerated potential cycling, this analysis does not fully simulate the operating AEMFC conditions. For back-up power systems, the standby AEMFCs need to be held at a high steady state cell potential. For cathode catalysts, this may be more challenging than cycled potentials. As Ni dissolution has been reported from Ni and Ni alloyed catalysts under cycled cathode potentials, its stability under steady state potentials should be questioned. In this study, a Ni on Vulcan® XC72 carbon (Ni/C) was tested at the cathode of a simulated AEMFC, under a 0.9 V steady state cell potential for 1500 h. After operation, in addition to Ni oxidation at the cathode, Ni dissolution and migration was found resulting in cathode catalyst morphology changes and Ni(OH)2 deposits on the anode. These results were supported by scanning electron microscopy (SEM), scanning transmission electron microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS) analyses. |
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