Multivariate investigation of parameters in the development and improvement of NiFe cells

In this article, we use a surface response approach to investigate the effect of bismuth sulphide as well as the compositions of PTFE in the overall columbic efficiency of a NiFe cell battery. Our results demonstrate that while bismuth sulphide favours the process of charge/discharge of a NiFe cell,...

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Bibliographic Details
Published inJournal of power sources Vol. 262; pp. 263 - 269
Main Authors Gil Posada, Jorge Omar, Hall, Peter J.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier 15.09.2014
Subjects
Applied sciences
Bismuth
Charge
Direct energy conversion and energy accumulation
Discharge
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Exact sciences and technology
Intermetallics
Iron compounds
Nickel base alloys
Nickel compounds
Sulfides
Iron nickel batteries
Battery testing
Bismuth Sulfides
Current efficiency
Coulombic efficiency
Iron electrode
Secondary cell
NiFe cell
Discharge charge cycle
Electrical characteristic
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Summary:In this article, we use a surface response approach to investigate the effect of bismuth sulphide as well as the compositions of PTFE in the overall columbic efficiency of a NiFe cell battery. Our results demonstrate that while bismuth sulphide favours the process of charge/discharge of a NiFe cell, the use of metallic bismuth only marginally influences coulombic efficiency. In addition we had found that the presence of the soluble bisulfide anion is not sufficient to increase coulombic efficiency in NiFe cells.
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ISSN:0378-7753
DOI:10.1016/j.jpowsour.2014.03.145