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A new kind of all-solid-state thin-film-type lithium-ion battery developed by applying a D.C. high voltage

Authors
Journal
Electrochemistry Communications
1388-2481
Publisher
Elsevier
Publication Date
Volume
8
Issue
8
Identifiers
DOI: 10.1016/j.elecom.2006.03.003
Keywords
  • All-Solid-State Rechargeable Lithium Battery
  • Thin-Film Battery
  • Interface
  • Solid Electrolyte

Abstract

Abstract A new kind of all-solid-state thin-film-type lithium-ion battery was fabricated by applying a D.C. high voltage. Application of the D.C. high voltage to a layer of Cu/Li 2O–Al 2O 3–TiO 2–P 2O 5-based glass ceramics sheet/amorphous Li–Mn–O/Pt, where Cu side was connected to cathode and Pt side to anode, permitted an “in situ formed” negative electrode material at the Cu/glass ceramics sheet interface. This negative electrode material was reductive decomposition material of the glass ceramics formed at the glass ceramics/Cu interface. The negative electrode material was irreversibly formed and then some of reaction current was required to be prepared. It was suggested that application of D.C. high voltage to the layer induced the oxidation reaction of oxygen ions at the positive electrode side around the amorphous Li–Mn–O/glass ceramics interface, which was consumed to prepare the negative electrode material. The resultant all-solid-state thin-film-type lithium-ion battery repeated stable charge–discharge reaction at 1.4 V.

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