Intrinsic rapid Na+ intercalation observed in NaxCoO2 thin film | Zendy

Takayuki Shibata | Zendy; Wataru Kobayashi | Zendy; Yutaka Moritomo | Zendy

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Intrinsic rapid Na+ intercalation observed in NaxCoO2 thin film

Author(s) -

Takayuki Shibata,

Wataru Kobayashi,

Yutaka Moritomo

Publication year - 2013

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4794719

Subject(s) - intercalation (chemistry) , thin film , materials science , pulsed laser deposition , electrochemistry , electrode , deposition (geology) , phase (matter) , analytical chemistry (journal) , phase transition , inorganic chemistry , nanotechnology , condensed matter physics , chemistry , paleontology , physics , chromatography , organic chemistry , sediment , biology

Electrochemical properties are investigated for thin film electrode of NaxCoO2, which was fabricated by pulsed laser deposition. A high rate of 400 C was realized in the film together with a fine cyclability where its capacity after 1000 cycles remains 84.4% of the initial one. The NaxCoO2 thin film exhibits a clear sign of the structural phase transition induced by Na+ intercalation even at the high rate of 200 C. This observation indicates bulk nature of the rapid and highly-reversible Na+ intercalation in NaxCoO2

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