Effects of the substitution of Al for Ni on the structure and electrochemical performance of $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0–0.4) electrode alloys
Abstract In order to improve the cycling stability of La–Mg–Ni system ($ PuNi_{3} $-type) hydrogen storage alloy, Ni in the alloy was partially substituted by Al, and $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0, 0.1, 0.2, 0.3, 0.4) electrode alloys were prepared by castin...
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| Autor*in: |
Zhang, Yanghuan [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2007 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media, LLC 2007 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of materials science - Kluwer Academic Publishers-Plenum Publishers, 1966, 42(2007), 19 vom: 01. Okt., Seite 8172-8177 |
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| Übergeordnetes Werk: |
volume:42 ; year:2007 ; number:19 ; day:01 ; month:10 ; pages:8172-8177 |
| Links: |
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| DOI / URN: |
10.1007/s10853-007-1689-4 |
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OLC2046331796 |
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| 245 | 1 | 0 | |a Effects of the substitution of Al for Ni on the structure and electrochemical performance of $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0–0.4) electrode alloys |
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| 520 | |a Abstract In order to improve the cycling stability of La–Mg–Ni system ($ PuNi_{3} $-type) hydrogen storage alloy, Ni in the alloy was partially substituted by Al, and $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0, 0.1, 0.2, 0.3, 0.4) electrode alloys were prepared by casting and rapid quenching. The effects of the substitution of Al for Ni on the structure and electrochemical performance of the as-cast and quenched alloys were investigated in detail. The results obtained by XRD, SEM and TEM show that the substitution of Al for Ni has an inappreciable influence on the abundance of the $ LaNi_{2} $ phase in the as-quenched alloy, while it increases the amount of the $ LaNi_{2} $ phase in the as-cast alloys. In addition, the substitution of Al for Ni is unfavourable for the formation of an amorphous in the as-quenched alloy. The results obtained by the electrochemical measurement indicate that the cycling stabilities of the as-cast and quenched alloys are significantly ameliorated with increasing Al content. When Al content increases from 0 to 0.4, the cycle life of the as-cast and quenched (30 m/s) alloys enhances from 72 to 132 cycles and from 100 to 136 cycles, respectively. | ||
| 650 | 4 | |a Discharge Capacity | |
| 650 | 4 | |a Cycling Stability | |
| 650 | 4 | |a Electrode Alloy | |
| 650 | 4 | |a Cycling Life | |
| 650 | 4 | |a Hydrogen Storage Alloy | |
| 700 | 1 | |a Zhao, Dongliang |4 aut | |
| 700 | 1 | |a Li, Baowei |4 aut | |
| 700 | 1 | |a Ren, Huiping |4 aut | |
| 700 | 1 | |a Guo, Shihai |4 aut | |
| 700 | 1 | |a Wang, Xinlin |4 aut | |
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10.1007/s10853-007-1689-4 doi (DE-627)OLC2046331796 (DE-He213)s10853-007-1689-4-p DE-627 ger DE-627 rakwb eng 670 VZ Zhang, Yanghuan verfasserin aut Effects of the substitution of Al for Ni on the structure and electrochemical performance of $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0–0.4) electrode alloys 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2007 Abstract In order to improve the cycling stability of La–Mg–Ni system ($ PuNi_{3} $-type) hydrogen storage alloy, Ni in the alloy was partially substituted by Al, and $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0, 0.1, 0.2, 0.3, 0.4) electrode alloys were prepared by casting and rapid quenching. The effects of the substitution of Al for Ni on the structure and electrochemical performance of the as-cast and quenched alloys were investigated in detail. The results obtained by XRD, SEM and TEM show that the substitution of Al for Ni has an inappreciable influence on the abundance of the $ LaNi_{2} $ phase in the as-quenched alloy, while it increases the amount of the $ LaNi_{2} $ phase in the as-cast alloys. In addition, the substitution of Al for Ni is unfavourable for the formation of an amorphous in the as-quenched alloy. The results obtained by the electrochemical measurement indicate that the cycling stabilities of the as-cast and quenched alloys are significantly ameliorated with increasing Al content. When Al content increases from 0 to 0.4, the cycle life of the as-cast and quenched (30 m/s) alloys enhances from 72 to 132 cycles and from 100 to 136 cycles, respectively. Discharge Capacity Cycling Stability Electrode Alloy Cycling Life Hydrogen Storage Alloy Zhao, Dongliang aut Li, Baowei aut Ren, Huiping aut Guo, Shihai aut Wang, Xinlin aut Enthalten in Journal of materials science Kluwer Academic Publishers-Plenum Publishers, 1966 42(2007), 19 vom: 01. Okt., Seite 8172-8177 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:42 year:2007 number:19 day:01 month:10 pages:8172-8177 https://doi.org/10.1007/s10853-007-1689-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_100 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 42 2007 19 01 10 8172-8177 |
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10.1007/s10853-007-1689-4 doi (DE-627)OLC2046331796 (DE-He213)s10853-007-1689-4-p DE-627 ger DE-627 rakwb eng 670 VZ Zhang, Yanghuan verfasserin aut Effects of the substitution of Al for Ni on the structure and electrochemical performance of $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0–0.4) electrode alloys 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2007 Abstract In order to improve the cycling stability of La–Mg–Ni system ($ PuNi_{3} $-type) hydrogen storage alloy, Ni in the alloy was partially substituted by Al, and $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0, 0.1, 0.2, 0.3, 0.4) electrode alloys were prepared by casting and rapid quenching. The effects of the substitution of Al for Ni on the structure and electrochemical performance of the as-cast and quenched alloys were investigated in detail. The results obtained by XRD, SEM and TEM show that the substitution of Al for Ni has an inappreciable influence on the abundance of the $ LaNi_{2} $ phase in the as-quenched alloy, while it increases the amount of the $ LaNi_{2} $ phase in the as-cast alloys. In addition, the substitution of Al for Ni is unfavourable for the formation of an amorphous in the as-quenched alloy. The results obtained by the electrochemical measurement indicate that the cycling stabilities of the as-cast and quenched alloys are significantly ameliorated with increasing Al content. When Al content increases from 0 to 0.4, the cycle life of the as-cast and quenched (30 m/s) alloys enhances from 72 to 132 cycles and from 100 to 136 cycles, respectively. Discharge Capacity Cycling Stability Electrode Alloy Cycling Life Hydrogen Storage Alloy Zhao, Dongliang aut Li, Baowei aut Ren, Huiping aut Guo, Shihai aut Wang, Xinlin aut Enthalten in Journal of materials science Kluwer Academic Publishers-Plenum Publishers, 1966 42(2007), 19 vom: 01. Okt., Seite 8172-8177 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:42 year:2007 number:19 day:01 month:10 pages:8172-8177 https://doi.org/10.1007/s10853-007-1689-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_100 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 42 2007 19 01 10 8172-8177 |
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10.1007/s10853-007-1689-4 doi (DE-627)OLC2046331796 (DE-He213)s10853-007-1689-4-p DE-627 ger DE-627 rakwb eng 670 VZ Zhang, Yanghuan verfasserin aut Effects of the substitution of Al for Ni on the structure and electrochemical performance of $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0–0.4) electrode alloys 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2007 Abstract In order to improve the cycling stability of La–Mg–Ni system ($ PuNi_{3} $-type) hydrogen storage alloy, Ni in the alloy was partially substituted by Al, and $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0, 0.1, 0.2, 0.3, 0.4) electrode alloys were prepared by casting and rapid quenching. The effects of the substitution of Al for Ni on the structure and electrochemical performance of the as-cast and quenched alloys were investigated in detail. The results obtained by XRD, SEM and TEM show that the substitution of Al for Ni has an inappreciable influence on the abundance of the $ LaNi_{2} $ phase in the as-quenched alloy, while it increases the amount of the $ LaNi_{2} $ phase in the as-cast alloys. In addition, the substitution of Al for Ni is unfavourable for the formation of an amorphous in the as-quenched alloy. The results obtained by the electrochemical measurement indicate that the cycling stabilities of the as-cast and quenched alloys are significantly ameliorated with increasing Al content. When Al content increases from 0 to 0.4, the cycle life of the as-cast and quenched (30 m/s) alloys enhances from 72 to 132 cycles and from 100 to 136 cycles, respectively. Discharge Capacity Cycling Stability Electrode Alloy Cycling Life Hydrogen Storage Alloy Zhao, Dongliang aut Li, Baowei aut Ren, Huiping aut Guo, Shihai aut Wang, Xinlin aut Enthalten in Journal of materials science Kluwer Academic Publishers-Plenum Publishers, 1966 42(2007), 19 vom: 01. Okt., Seite 8172-8177 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:42 year:2007 number:19 day:01 month:10 pages:8172-8177 https://doi.org/10.1007/s10853-007-1689-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_100 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 42 2007 19 01 10 8172-8177 |
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10.1007/s10853-007-1689-4 doi (DE-627)OLC2046331796 (DE-He213)s10853-007-1689-4-p DE-627 ger DE-627 rakwb eng 670 VZ Zhang, Yanghuan verfasserin aut Effects of the substitution of Al for Ni on the structure and electrochemical performance of $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0–0.4) electrode alloys 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2007 Abstract In order to improve the cycling stability of La–Mg–Ni system ($ PuNi_{3} $-type) hydrogen storage alloy, Ni in the alloy was partially substituted by Al, and $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0, 0.1, 0.2, 0.3, 0.4) electrode alloys were prepared by casting and rapid quenching. The effects of the substitution of Al for Ni on the structure and electrochemical performance of the as-cast and quenched alloys were investigated in detail. The results obtained by XRD, SEM and TEM show that the substitution of Al for Ni has an inappreciable influence on the abundance of the $ LaNi_{2} $ phase in the as-quenched alloy, while it increases the amount of the $ LaNi_{2} $ phase in the as-cast alloys. In addition, the substitution of Al for Ni is unfavourable for the formation of an amorphous in the as-quenched alloy. The results obtained by the electrochemical measurement indicate that the cycling stabilities of the as-cast and quenched alloys are significantly ameliorated with increasing Al content. When Al content increases from 0 to 0.4, the cycle life of the as-cast and quenched (30 m/s) alloys enhances from 72 to 132 cycles and from 100 to 136 cycles, respectively. Discharge Capacity Cycling Stability Electrode Alloy Cycling Life Hydrogen Storage Alloy Zhao, Dongliang aut Li, Baowei aut Ren, Huiping aut Guo, Shihai aut Wang, Xinlin aut Enthalten in Journal of materials science Kluwer Academic Publishers-Plenum Publishers, 1966 42(2007), 19 vom: 01. Okt., Seite 8172-8177 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:42 year:2007 number:19 day:01 month:10 pages:8172-8177 https://doi.org/10.1007/s10853-007-1689-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_100 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 42 2007 19 01 10 8172-8177 |
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10.1007/s10853-007-1689-4 doi (DE-627)OLC2046331796 (DE-He213)s10853-007-1689-4-p DE-627 ger DE-627 rakwb eng 670 VZ Zhang, Yanghuan verfasserin aut Effects of the substitution of Al for Ni on the structure and electrochemical performance of $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0–0.4) electrode alloys 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2007 Abstract In order to improve the cycling stability of La–Mg–Ni system ($ PuNi_{3} $-type) hydrogen storage alloy, Ni in the alloy was partially substituted by Al, and $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0, 0.1, 0.2, 0.3, 0.4) electrode alloys were prepared by casting and rapid quenching. The effects of the substitution of Al for Ni on the structure and electrochemical performance of the as-cast and quenched alloys were investigated in detail. The results obtained by XRD, SEM and TEM show that the substitution of Al for Ni has an inappreciable influence on the abundance of the $ LaNi_{2} $ phase in the as-quenched alloy, while it increases the amount of the $ LaNi_{2} $ phase in the as-cast alloys. In addition, the substitution of Al for Ni is unfavourable for the formation of an amorphous in the as-quenched alloy. The results obtained by the electrochemical measurement indicate that the cycling stabilities of the as-cast and quenched alloys are significantly ameliorated with increasing Al content. When Al content increases from 0 to 0.4, the cycle life of the as-cast and quenched (30 m/s) alloys enhances from 72 to 132 cycles and from 100 to 136 cycles, respectively. Discharge Capacity Cycling Stability Electrode Alloy Cycling Life Hydrogen Storage Alloy Zhao, Dongliang aut Li, Baowei aut Ren, Huiping aut Guo, Shihai aut Wang, Xinlin aut Enthalten in Journal of materials science Kluwer Academic Publishers-Plenum Publishers, 1966 42(2007), 19 vom: 01. Okt., Seite 8172-8177 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:42 year:2007 number:19 day:01 month:10 pages:8172-8177 https://doi.org/10.1007/s10853-007-1689-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_21 GBV_ILN_23 GBV_ILN_30 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_100 GBV_ILN_602 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_4046 GBV_ILN_4305 GBV_ILN_4323 AR 42 2007 19 01 10 8172-8177 |
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Enthalten in Journal of materials science 42(2007), 19 vom: 01. Okt., Seite 8172-8177 volume:42 year:2007 number:19 day:01 month:10 pages:8172-8177 |
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The effects of the substitution of Al for Ni on the structure and electrochemical performance of the as-cast and quenched alloys were investigated in detail. The results obtained by XRD, SEM and TEM show that the substitution of Al for Ni has an inappreciable influence on the abundance of the $ LaNi_{2} $ phase in the as-quenched alloy, while it increases the amount of the $ LaNi_{2} $ phase in the as-cast alloys. In addition, the substitution of Al for Ni is unfavourable for the formation of an amorphous in the as-quenched alloy. The results obtained by the electrochemical measurement indicate that the cycling stabilities of the as-cast and quenched alloys are significantly ameliorated with increasing Al content. 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Zhang, Yanghuan ddc 670 misc Discharge Capacity misc Cycling Stability misc Electrode Alloy misc Cycling Life misc Hydrogen Storage Alloy Effects of the substitution of Al for Ni on the structure and electrochemical performance of $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0–0.4) electrode alloys |
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Effects of the substitution of Al for Ni on the structure and electrochemical performance of $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0–0.4) electrode alloys |
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Effects of the substitution of Al for Ni on the structure and electrochemical performance of $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0–0.4) electrode alloys |
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effects of the substitution of al for ni on the structure and electrochemical performance of $ la_{0.7} $$ mg_{0.3} $$ ni_{2.55 − x} $$ co_{0.45} $$ al_{x} $ (x = 0–0.4) electrode alloys |
| title_auth |
Effects of the substitution of Al for Ni on the structure and electrochemical performance of $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0–0.4) electrode alloys |
| abstract |
Abstract In order to improve the cycling stability of La–Mg–Ni system ($ PuNi_{3} $-type) hydrogen storage alloy, Ni in the alloy was partially substituted by Al, and $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0, 0.1, 0.2, 0.3, 0.4) electrode alloys were prepared by casting and rapid quenching. The effects of the substitution of Al for Ni on the structure and electrochemical performance of the as-cast and quenched alloys were investigated in detail. The results obtained by XRD, SEM and TEM show that the substitution of Al for Ni has an inappreciable influence on the abundance of the $ LaNi_{2} $ phase in the as-quenched alloy, while it increases the amount of the $ LaNi_{2} $ phase in the as-cast alloys. In addition, the substitution of Al for Ni is unfavourable for the formation of an amorphous in the as-quenched alloy. The results obtained by the electrochemical measurement indicate that the cycling stabilities of the as-cast and quenched alloys are significantly ameliorated with increasing Al content. When Al content increases from 0 to 0.4, the cycle life of the as-cast and quenched (30 m/s) alloys enhances from 72 to 132 cycles and from 100 to 136 cycles, respectively. © Springer Science+Business Media, LLC 2007 |
| abstractGer |
Abstract In order to improve the cycling stability of La–Mg–Ni system ($ PuNi_{3} $-type) hydrogen storage alloy, Ni in the alloy was partially substituted by Al, and $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0, 0.1, 0.2, 0.3, 0.4) electrode alloys were prepared by casting and rapid quenching. The effects of the substitution of Al for Ni on the structure and electrochemical performance of the as-cast and quenched alloys were investigated in detail. The results obtained by XRD, SEM and TEM show that the substitution of Al for Ni has an inappreciable influence on the abundance of the $ LaNi_{2} $ phase in the as-quenched alloy, while it increases the amount of the $ LaNi_{2} $ phase in the as-cast alloys. In addition, the substitution of Al for Ni is unfavourable for the formation of an amorphous in the as-quenched alloy. The results obtained by the electrochemical measurement indicate that the cycling stabilities of the as-cast and quenched alloys are significantly ameliorated with increasing Al content. When Al content increases from 0 to 0.4, the cycle life of the as-cast and quenched (30 m/s) alloys enhances from 72 to 132 cycles and from 100 to 136 cycles, respectively. © Springer Science+Business Media, LLC 2007 |
| abstract_unstemmed |
Abstract In order to improve the cycling stability of La–Mg–Ni system ($ PuNi_{3} $-type) hydrogen storage alloy, Ni in the alloy was partially substituted by Al, and $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0, 0.1, 0.2, 0.3, 0.4) electrode alloys were prepared by casting and rapid quenching. The effects of the substitution of Al for Ni on the structure and electrochemical performance of the as-cast and quenched alloys were investigated in detail. The results obtained by XRD, SEM and TEM show that the substitution of Al for Ni has an inappreciable influence on the abundance of the $ LaNi_{2} $ phase in the as-quenched alloy, while it increases the amount of the $ LaNi_{2} $ phase in the as-cast alloys. In addition, the substitution of Al for Ni is unfavourable for the formation of an amorphous in the as-quenched alloy. The results obtained by the electrochemical measurement indicate that the cycling stabilities of the as-cast and quenched alloys are significantly ameliorated with increasing Al content. When Al content increases from 0 to 0.4, the cycle life of the as-cast and quenched (30 m/s) alloys enhances from 72 to 132 cycles and from 100 to 136 cycles, respectively. © Springer Science+Business Media, LLC 2007 |
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Effects of the substitution of Al for Ni on the structure and electrochemical performance of $ La_{0.7} $$ Mg_{0.3} $$ Ni_{2.55 − x} $$ Co_{0.45} $$ Al_{x} $ (x = 0–0.4) electrode alloys |
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The effects of the substitution of Al for Ni on the structure and electrochemical performance of the as-cast and quenched alloys were investigated in detail. The results obtained by XRD, SEM and TEM show that the substitution of Al for Ni has an inappreciable influence on the abundance of the $ LaNi_{2} $ phase in the as-quenched alloy, while it increases the amount of the $ LaNi_{2} $ phase in the as-cast alloys. In addition, the substitution of Al for Ni is unfavourable for the formation of an amorphous in the as-quenched alloy. The results obtained by the electrochemical measurement indicate that the cycling stabilities of the as-cast and quenched alloys are significantly ameliorated with increasing Al content. When Al content increases from 0 to 0.4, the cycle life of the as-cast and quenched (30 m/s) alloys enhances from 72 to 132 cycles and from 100 to 136 cycles, respectively.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Discharge Capacity</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Cycling Stability</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Electrode Alloy</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Cycling Life</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Hydrogen Storage Alloy</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhao, Dongliang</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Li, Baowei</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Ren, Huiping</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Guo, Shihai</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Wang, Xinlin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Journal of materials science</subfield><subfield code="d">Kluwer Academic Publishers-Plenum Publishers, 1966</subfield><subfield code="g">42(2007), 19 vom: 01. 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