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리튬이차전지용 Li1.05CoO2 음극재료의 전기화학적 특성 연구
김정식,우선기,류호진,이학로,김인석 대한금속재료학회(대한금속학회) 1999 대한금속·재료학회지 Vol.37 No.7
A Li_(1.05)CoO₂ powder has been prepared by the solid state reaction of Li₂CO₃ and Co₃O₄ at 1000℃. Li_(1.05)CoO₂ powder was characterized a layered structure with space group of R3 ̄m by XRD analysis. But Li_(1.05)CoO₂ has a shorter c-axis than LiCoO₂ because, in the former case, a coulombic interaction is more dominent than elastic strain energy effect. In this experiment, electrochemical properties about porous Li_(1.05)CoO₂ were investigated by galvanostatic, CV(Cyclic Voltammetry) and GITT(Galvanostatic Intermittent Transient Technique) method.