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Low Temperature Characteristics of Hydrogen Storage Alloy LaMm-Ni4.1Al0.3Mn0.4Co0.45 for Ni-MH Batteries

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cris.lastimport.scopus2024-02-12T20:41:23Z
dc.abstract.enNickel hydride batteries (Ni-MH) are known of their good performance and high reliability at temperatures below 0 C, which is significantly dependent on electrolyte composition. Here we present the low temperature characteristics of pristine AB5-type alloy, LaMm-Ni4.1Al0.3Mn0.4Co0.45, determined in various alkali metal hydroxide solutions. We found that the ombination of KOH with NaOH showed a significant eect of enhancement of low temperature performance of the electrode material and diusion of hydrogen in the alloy. This 6M binary mixed NaOH/KOH electrolyte, comprising 4M KOH component and 2M NaOH component, made it possible to maintain 81.7% and 61.0% of maximum capacity at 20 C and 30 C, respectively, enhancing the hydrogen storage properties of the alloy after reheating to room temperature
dc.affiliationUniwersytet Warszawski
dc.contributor.authorFijałkowski, Karol
dc.contributor.authorKarwowska, Małgorzata
dc.contributor.authorCzerwiński, Andrzej
dc.date.accessioned2024-01-25T05:29:40Z
dc.date.available2024-01-25T05:29:40Z
dc.date.copyright2019-12-16
dc.date.issued2019
dc.description.accesstimeAT_PUBLICATION
dc.description.financeNie dotyczy
dc.description.number24
dc.description.versionFINAL_PUBLISHED
dc.description.volume12
dc.identifier.doi10.3390/MA12244220
dc.identifier.issn1996-1944
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/111576
dc.languageeng
dc.pbn.affiliationchemical sciences
dc.relation.ispartofMaterials
dc.relation.pages4220
dc.rightsCC-BY
dc.sciencecloudnosend
dc.subject.enNi-MH batteries
dc.subject.enAB5 alloy
dc.subject.enhydrogen sorption
dc.subject.enlow temperature performance
dc.subject.enLimited Volume Electrode (LVE)
dc.titleLow Temperature Characteristics of Hydrogen Storage Alloy LaMm-Ni4.1Al0.3Mn0.4Co0.45 for Ni-MH Batteries
dc.typeJournalArticle
dspace.entity.typePublication