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Novel in situ cell for Raman diagnostics of lithium-ion batteries
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10.1063/1.4813263
/content/aip/journal/rsi/84/7/10.1063/1.4813263
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/7/10.1063/1.4813263
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Experimental setup for Raman diagnostics. For details, see text.

Image of FIG. 2.
FIG. 2.

Cross-section of the Raman cell for diagnostics of lithium-ion batteries.

Image of FIG. 3.
FIG. 3.

Raman spectra of a LiCoO composite cathode recorded in measurement modes (A) and (B) using the same experimental conditions.

Image of FIG. 4.
FIG. 4.

(a)–(d) Photographs of the assemblage of the Raman cell.

Image of FIG. 5.
FIG. 5.

Raman spectroscopy during electrochemical cycling. (a) Cyclic voltammograms of the first four cycles. (b) Corresponding Raman spectra recorded at the same degree of intercalation ( = 0.5). Grey markers display the position of phonon bands of the active material. Subscripts “extr” and “ins” indicate Li extraction and insertion, respectively. For details, see text.

Image of FIG. 6.
FIG. 6.

Raman spectra of a LiCoO cathode mix upon galvanostatic cycling. The spectra were offset for clarity. Grey markers display the position of the active material phonon bands. For details, see text.

Image of FIG. 7.
FIG. 7.

Raman raw data of a LiCoO cathode mix upon galvanostatic cycling recorded during one complete cycle (19 spectra). The inset shows the corresponding spectra of the high-frequency region. Asterisks mark the positions of the solvent signals. For details, see text.

Image of FIG. 8.
FIG. 8.

Comparison of Raman data from this work with data from the literature.

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/content/aip/journal/rsi/84/7/10.1063/1.4813263
2013-07-17
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Novel in situ cell for Raman diagnostics of lithium-ion batteries
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/7/10.1063/1.4813263
10.1063/1.4813263
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