Concepedia

Direct observation of reversible oxygen anion redox reaction in Li-rich manganese oxide, Li<sub>2</sub>MnO<sub>3</sub>, studied by soft X-ray absorption spectroscopy

Masatsugu Oishi, Keisuke Yamanaka, Iwao Watanabe, Keiji Shimoda, Toshiyuki Matsunaga, Hajime Arai, Yoshio Ukyo, Yoshiharu Uchimoto, Zempachi Ogumi, Toshiaki Ohta

Journal of Materials Chemistry A · 2016 · 218 citations · 46 references

DOI

Concepts

Abstract

We investigated the reversible charge compensation mechanism of an Li<sub>2</sub>MnO<sub>3</sub> electrode using soft XAS analysis. We concluded that both the Mn and O ions participated in the charge compensation reactions during the reversible redox cycles.

References

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LixCoO2 (0&lt;x&lt;-1): A new cathode material for batteries of high energy density

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