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A new positive-temperature-coefficient (PTC) material was prepared simply by blending of conductive Super P carbon black (CB) with insulating poly(methyl methacrylate) (PMMA) polymer matrix, which was empolyed as a coating layer on the aluminium foil substrate to fabricate a sandwiched Al/PTC/LiCoO2 cathode. The experimental results from cyclic voltammetry, charge-discharge measurements and impedance...
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