Electrochemical properties of LaY2Ni9 hydrogen storage alloy, used as an anode in nickel-metal hydride batteries

2014 ◽  
Vol 18 (7) ◽  
pp. 2019-2026 ◽  
Author(s):  
Yassine Ben Belgacem ◽  
Chokri Khaldi ◽  
Sami Boussami ◽  
Jilani Lamloumi ◽  
Hamadi Mathlouthi
Keyword(s):  
Hydrogen Storage ◽  
Electrochemical Properties ◽  
Metal Hydride ◽  
Hydrogen Storage Alloy ◽  
Nickel Metal ◽  
Nickel Metal Hydride

A novel AB4-type RE–Mg–Ni–Al-based hydrogen storage alloy with high power for nickel-metal hydride batteries

2019 ◽  
Vol 317 ◽  
pp. 211-220 ◽  
Author(s):  
Wenfeng Wang ◽  
Lu Zhang ◽  
Ismael A. Rodríguez-Pérez ◽  
Yumeng Zhao ◽  
Xiaoxue Liu ◽  
...  
Keyword(s):  
Hydrogen Storage ◽  
High Power ◽  
Metal Hydride ◽  
Hydrogen Storage Alloy ◽  
Nickel Metal ◽  
Nickel Metal Hydride

Nickel/metal hydride batteries using rare-earth hydrogen storage alloy

1994 ◽  
Vol 9 (7) ◽  
pp. 1802-1804 ◽  
Author(s):  
J. Chen ◽  
Y.S. Zhang
Keyword(s):  
Hydrogen Storage ◽  
Metal Hydride ◽  
Fine Particles ◽  
Hydrogen Storage Alloy ◽  
Nickel Metal ◽  
Nickel Metal Hydride ◽  
Nickel Metal Hydride Battery ◽  
Coated Alloy ◽  
Hydride Battery

Fine particles of a hydrogen storage alloy (LaNi3.8Co0.5Mn0.4Al0.3) were microencapsulated with a thin film of nickel of about 0.6 μm thickness. The microencapsulated alloy powders were used as an anode material in a sealed nickel/metal hydride battery. The battery characteristics were compared with those of a battery with a bare (uncoated) alloy anode. The battery using the bare alloy was less stable compared to the coated alloy due to the role of the coated nickel as an oxygen barrier for protecting the alloy surface from oxidation. In addition, charge-discharge characteristics were improved greatly by the nickel coating, especially at high rates and at low temperatures due to the role of nickel as a microcurrent collector. So the microencapsulation of the alloy powders improves the performances of the alloy electrode.

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