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Highly reversible capacity at the surface of a lithium-rich manganese oxide: a model study using an epitaxial film system

Sou Taminato, Masaaki Hirayama, Kota Suzuki, Norifumi L. Yamada, Masao Yonemura, Jiyoung Son, Ryoji Kanno

Chemical Communications · 2014 · 33 citations · 33 references

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Abstract

Epitaxial films of Li2MnO3 were synthesized using pulsed laser deposition. A 12.6 nm film exhibited a high discharge capacity of over 300 mA h g(-1) following its fiftieth cycle and better stability than 29.8 and 47.8 nm films. The surfaces of such films are intrinsically active at the electrochemical interface.

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