Lithium analysis in Li-ion battery materials via a scanning electron microscopy-based approach

Noboru Taguchi, Hikari Sakaebe, Shingo Tanaka

Research output: Contribution to journalArticlepeer-review

Abstract

We performed Li analysis by reflection electron energy loss spectroscopy (REELS) with a scanning electron microscopy-based apparatus. It was possible to distinguish between Li compounds containing different transition metal elements spatially, via the spectrum imaging scheme of REELS spectra. We also acquired the Li spectrum for an Li-inserted graphite negative electrode. REELS measurements with hemispherical analyzer were performed to obtain high-quality spectra with sufficient energy resolution and compared with those from cylindrical mirror analyzer measurements; the former provided a more detailed chemical state evaluation of Li.

Original languageEnglish
Pages (from-to)335-338
Number of pages4
JournalSurface and Interface Analysis
Volume52
Issue number6
DOIs
Publication statusPublished - Jun 1 2020
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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