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dc.contributor.author
Sharma, Lalit
dc.contributor.author
Nayak, Prasant Kumar
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de la Llave, Ezequiel Pablo
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Chen, Haomin
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Adams, Stefan
dc.contributor.author
Aurbach, Doron
dc.contributor.author
Barpanda, Prabeer
dc.date.available
2018-11-27T15:34:55Z
dc.date.issued
2017-10
dc.identifier.citation
Sharma, Lalit; Nayak, Prasant Kumar; de la Llave, Ezequiel Pablo; Chen, Haomin; Adams, Stefan; et al.; Electrochemical and Diffusional Investigation of Na2FeIIPO4F Fluorophosphate Sodium Insertion Material Obtained from FeIII Precursor; American Chemical Society; ACS Applied Materials & Interfaces; 9; 40; 10-2017; 34961-34969
dc.identifier.issn
1944-8244
dc.identifier.uri
http://hdl.handle.net/11336/65313
dc.description.abstract
Sodium iron fluorophosphate (Na2FeIIPO4F) was synthesized by economic solvothermal combustion technique using FeIII precursors, developing one-step carbon-coated homogeneous product. Synchrotron diffraction and Mössbauer spectroscopy revealed the formation of single-phase product assuming an orthorhombic structure (s.g. Pbcn) with FeII species. This FeIII precursor derived Na2FeIIPO4F exhibited reversible Na+ (de)intercalation with discharge capacity of 100 mAh/g at a rate of C/10 involving flat FeIII/FeII redox plateaus located at 2.92 and 3.05 V (vs Na/Na+). It delivered good cycling stability and rate kinetics at room temperature. The stability of Na2FePO4F cathode was further verified by electrochemical impedance spectroscopy at different stages of galvanostatic analysis. Bond valence site energy (BVSE) calculations revealed the existence of 2-dimensional Na+ percolation pathways in the a-c plane with a moderate migration barrier of 0.6 eV. Combustion synthesized Na2FeIIPO4F forms an economically viable sodium battery material. Although the capacity of this cathode is relatively low, this study continues systematic work, which attempts to broaden the scope of reversible sodium insertion materials.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Chemical Society
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Bond-Valence Site Energy
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Combustion
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Fluorophosphate
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Na-Ion Battery
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Na2fepo4f
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Otras Ciencias Químicas
dc.subject.classification
Ciencias Químicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Electrochemical and Diffusional Investigation of Na2FeIIPO4F Fluorophosphate Sodium Insertion Material Obtained from FeIII Precursor
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-10-23T18:27:30Z
dc.journal.volume
9
dc.journal.number
40
dc.journal.pagination
34961-34969
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Washington
dc.description.fil
Fil: Sharma, Lalit. Indian Institute of Science; India
dc.description.fil
Fil: Nayak, Prasant Kumar. Bar-Ilan University; Israel
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Fil: de la Llave, Ezequiel Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Bar-Ilan University; Israel
dc.description.fil
Fil: Chen, Haomin. National University of Singapore; Singapur
dc.description.fil
Fil: Adams, Stefan. National University of Singapore; Singapur
dc.description.fil
Fil: Aurbach, Doron. Bar-Ilan University; Israel
dc.description.fil
Fil: Barpanda, Prabeer. Indian Institute of Science; India
dc.journal.title
ACS Applied Materials & Interfaces
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1021/acsami.7b10637
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://pubs.acs.org/doi/10.1021/acsami.7b10637
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