Eur. J. Chem. volume 7, issue 2, P182-186 2016 DOI: 10.5155/eurjchem.7.2.182-186.1396

Influence of polymer binder structure on the properties of the graphite anode for lithium-ion batteries

Monika Osinska-Broniarz, Agnieszka Martyla, Lukasz Majchrzycki, Marek Nowicki, Agnieszka Sierczynska
Abstract: This paper discusses the impact of the structure and properties of three different polymer binders: polyvinylidene fluoride, sodium carboxymethyl cellulose and polyvinyl alcohol, on the electrochemical properties of spherical graphite anodes for Li-ion batteries. Electrochemical tests indicate that the nature of polyvinylidene fluoride contributes in decreasing the cycle life of graphite electrodes in contrast to effective water-based binders. This study demonstrates the possibility of manufacturing graphite-based electrode for Li-ion batteries that cycle longer and use water in the processing, instead of hazardous organic solvents like N-methylpyrrolidone, thereby improving performance, reducing cost and protecting the environment.

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