Fe 2p spectra associated with extraction/infusion of Li ions at LiFePO 4  thin film cathode surface | Zendy

Shigeno M. | Zendy; Kurita T. | Zendy; Watanabe S. | Zendy; Kataoka Y. | Zendy

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Fe 2p spectra associated with extraction/infusion of Li ions at LiFePO 4 thin film cathode surface

Author(s) -

Shigeno M.,

Kurita T.,

Watanabe S.,

Kataoka Y.

Publication year - 2016

Publication title -

surface and interface analysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.52

H-Index - 90

eISSN - 1096-9918

pISSN - 0142-2421

DOI - 10.1002/sia.6033

Subject(s) - lithium iron phosphate , cathode , ion , thin film , valence (chemistry) , spectral line , analytical chemistry (journal) , ionic bonding , oxidation state , lithium (medication) , chemistry , materials science , inorganic chemistry , nanotechnology , electrode , electrochemistry , metal , medicine , physics , organic chemistry , chromatography , astronomy , endocrinology

A variation of iron ionic states in Fe 2p spectra for charged and discharged lithium iron phosphate (LiFePO 4 ) thin film as a cathode corresponds to cathode behavior. The shape of valence band spectra was investigated, and a peak appeared at about 1.6 eV for discharged LiFePO 4 thin film. This peak was attributed to the Fe 2+ state without oxidation state using oxidized LiFePO 4 thin films. The variation of iron ionic states from Fe 2p spectra was confirmed using this peak. Copyright © 2016 John Wiley & Sons, Ltd.

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