The Effect of Y Content on Structural and Sorption Properties of A₂B₇-Type Phase in the La-Y-Ni-Al-Mn System.

ABSTRACT: Metal hydrides are an interesting group of chemical compounds, able to store hydrogen in a reversible, compact and safe manner. Among them, A₂B₇-type intermetallic alloys based on La-Mg-Ni have attracted particular attention due to their high electrochemical hydrogen storage capacity (∼400 mAh/g) and extended cycle life. However, the presence of Mg makes their synthesis via conventional metallurgical routes challenging. Replacing Mg with Y is a viable approach. Herein, we present a systematic study for a series of compounds with a nominal composition of La_2-xY_xNi_6.50Mn_0.33Al_0.17, x = 0.33, 0.67, 1.00, 1.33, 1.67, focusing on the relationship between the material structural properties and hydrogen sor

SUBMITTER: Jensen EH 

PROVIDER: S-EPMC10180221 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature