Practical analysis of Li distribution by EELS | Zendy

Akita Tomoki | Zendy; Taguchi Noboru | Zendy

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Practical analysis of Li distribution by EELS

Author(s) -

Akita Tomoki,

Taguchi Noboru

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.6082

Subject(s) - lithium (medication) , electron energy loss spectroscopy , analytical chemistry (journal) , transmission electron microscopy , electrode , chemistry , materials science , nanotechnology , medicine , chromatography , endocrinology

Practical measurement of the Li distribution in Li‐ion battery electrode materials is demonstrated using a scanning transmission electron microscopy‐electron energy loss spectroscopy (EELS) spectrum imaging method. Lithium distribution images were obtained for LiCoO 2 positive electrode material using conventional software, Digital Micrograph (Gatan), for STEM‐EELS spectrum imaging data. Some data processing methods using Li K ‐edge EELS spectra were examined to obtain a Li distribution image for LiCoO 2 . A quantitative method was successfully applied to Li 2 TiO 3 , while it was not suitable for LiCoO 2 . Issues regarding the measurement of Li distributions in electrode materials are discussed. Copyright © 2016 John Wiley & Sons, Ltd.

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