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Open Access Si-SnO composite as an anode material in lithium ion batteries using novel polymer binder

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Si-SnO composite anode material was synthesized by ball milling approach. To prepare the anode, poly(vinylidene fluoride) (PVdF) and poly(acrlic acid) (PAA) were added as binders, respectively. In contrast to PVdF, PAA buffered large volume expansion of the composite electrode because of its good adhesion strength. So the battery can still maintain a high capacity after few cycles. Cycling test, AC impedance, cyclic voltametry were carried out for investigating electrochemical properties of the composite electrodes. Cycle life and other electrochemical characteristics of the battery were significantly increased by adding PAA.
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Keywords: ALLOYS; COMPOSITES; ELECTROCHEMICAL PROPERTIES; ENERGY STORAGE; POLYMER BINDER

Document Type: Research Article

Publication date: September 1, 2013

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  • Materials Express is a peer-reviewed multidisciplinary journal reporting emerging researches on materials science, engineering, technology and biology. Cutting-edge researches on the synthesis, characterization, properties, and applications of a very wide range of materials are covered for broad readership; from physical sciences to life sciences. In particular, the journal aims to report advanced materials with interesting electronic, magnetic, optical, mechanical and catalytic properties for industrial applications.
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