NDLI: A start of the renaissance for nickel metal hydride batteries: a hydrogen storage alloy series with an ultra-long cycle life

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A start of the renaissance for nickel metal hydride batteries: a hydrogen storage alloy series with an ultra-long cycle life

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Inside back cover

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Journal of Materials Chemistry A Vol - 5 Issue - 2

Journal of Materials Chemistry A Vol -4

Journal of Materials Chemistry A Vol -3

Journal of Materials Chemistry A Vol -2

Journal of Materials Chemistry A Vol -1

A start of the renaissance for nickel metal hydride batteries: a hydrogen storage alloy series with an ultra-long cycle life

Content Provider	Royal Society of Chemistry (RSC)
Author	Li, Miao Miao Wang, Chang Chun Yang, Chun Cheng Jiang, Qing
Copyright Year	2017
Abstract	Nickel metal hydride (Ni-MH) batteries have demonstrated key technology advantages for applications in new-energy vehicles, while the main challenge derives from the insufficient cycle lives (about 500 cycles) of their negative electrode materials—hydrogen storage alloys. As a result, progress in their development has been very limited over the past decades. Here we propose a theoretical framework to design a series of long-life and low-cost hydrogen storage alloys, by considering the electronegativities of the elements to enhance the alloys' corrosion resistance. Two novel candidate alloys, La0.6Ce0.3Y0.1Ni3.7Co0.75Mn0.3Al0.35 and La0.55Ce0.3Y0.15Ni3.7Co0.75Mn0.3Al0.35, show ultra-long cycle lives of 1325 and 1407 cycles, respectively, which are almost triple that of the commercial alloy (MmNi3.55Co0.75Mn0.4Al0.3) that is used in Ni-MH batteries. The usage costs of Ni-MH batteries based on these two alloys are only 1/4 of that of the lithium-ion battery, showing better market prospects for large-scale applications.
Starting Page	1145
Ending Page	1152
Page Count	8
File Format	HTM / HTML PDF
ISSN	20507488
Volume Number	5
Issue Number	3
Journal	Journal of Materials Chemistry A
DOI	10.1039/c6ta09736g
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Hydride Electrode Hydrogen storage Electronegativity Corrosion Lithium-ion battery
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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