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dc.contributor.authorZhao, Yansong
dc.contributor.authorZhen, Yingpeng
dc.contributor.authorBoström, Tobias Kristoffer
dc.date.accessioned2022-08-29T08:22:45Z
dc.date.available2022-08-29T08:22:45Z
dc.date.issued2022-07-07
dc.description.abstractA rechargeable iron-ion battery (Fe-ion battery) has been fabricated in our laboratory using a pure ionic liquid electrolyte. Magnetic ionic liquids of 1-butyl-3-methylimidazolium tetrachloroferrate (BmimFeCl<sub>4</sub>) and 1-methyl-3-octylimidazolium tetrachloroferrate (OmimFeCl<sub>4</sub>) are synthesized and utilized as electrolytes in this work. The chemical structure of the two ionic liquids (ILs) is investigated using Raman analysis. In addition, the physical and thermal stability properties of the ionic liquid (IL) BmimFeCl<sub>4</sub>, including density, viscosity, melting point, and decomposition temperature, are investigated using a density meter, viscosity meter, differential scanning calorimeter, and thermogravimetric analyzer. Moreover, the electrochemical properties, including electrochemical window, and ionic conductivity of the IL BmimFeCl<sub>4</sub> are investigated using an electrochemical instrument and a conductivity meter. It is found that the magnetic IL BmimFeCl<sub>4</sub> has good physical and electrochemical properties to be utilized as an electrolyte for iron-ion battery fabrication. Ironcontaining materials, including pure iron foil, carbon-coated iron nanoparticles, and iron powder, are used as a cathode in the Fe-ion battery. The anode of the Fe-ion battery is graphite. Electrochemical properties of full cells are investigated, including cyclic voltammetry curves and specific charge−discharge capacity. The Fe-ion battery is a unique rechargeable ion battery with magnetic ions. In addition, pure IL BmimFeCl<sub>4</sub> is utilized as an electrolyte in this Fe-ion battery. IL BmimFeCl<sub>4</sub> is stable and almost nonvolatile. Therefore, an Fe-ion battery with a pure IL electrolyte is safer than that with an organic electrolyte. An Fe-ion battery using a pure IL electrolyte is a promising battery with many potential applications.en_US
dc.identifier.citationZhao Y, Zhen Y, Boström TK. Rechargeable Iron-Ion Battery Using a Pure Ionic Liquid Electrolyte. ACS Omega. 2022;7(28):24082-24090en_US
dc.identifier.cristinIDFRIDAID 1996749
dc.identifier.doi10.1021/acsomega.1c06170
dc.identifier.issn2470-1343
dc.identifier.urihttps://hdl.handle.net/10037/26452
dc.language.isoengen_US
dc.publisherAmerican Chemical Societyen_US
dc.relation.journalACS Omega
dc.rights.accessRightsopenAccessen_US
dc.rights.holderCopyright 2022 The Author(s)en_US
dc.titleRechargeable Iron-Ion Battery Using a Pure Ionic Liquid Electrolyteen_US
dc.type.versionpublishedVersionen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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