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Article dans une revue

Up-scaling of Micro fibrillated Cellulose Based Positive Electrodes for Lithium Ion Batteries by Roll-To-Roll Printing Process

Abstract : Organic free electrodes for lithium ion batteries containing cellulose derivatives components as binding and disperser respectively, lithium iron phosphate as active material and carbon black as conductive agent were manufactured by means of a large scale technique as well as screen printing process onto a cellulosic based separator. Firstly a water based ink, was formulated and rheological properties were analyzed in order to investigate the role of each component in the ink. Electrical conductivity was tuned by adjusting the content of carbon black to insure electrical percolation. The electrode exhibits a capacity of 143 mAh/g at C/10, close to the nominal capacity of the lithium iron phosphate (150 mAh/g). At higher current rates a good retention capacity was observed with 107 mAh/g at C. Finally industrial scale printed electrodes were manufactured by means of an industrial printing machine onto a cellulose based separator. The electrodes exhibit a promising capacity of 129 mAh/g at C/10 and an electrical conductivity of 21 S/m. The industrial scale approach proposed here could be a viable route to the manufacturing of large scale and eco-sustainable electrodes.
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https://hal.univ-grenoble-alpes.fr/hal-01883276
Contributeur : Fannie Alloin <>
Soumis le : jeudi 27 septembre 2018 - 22:42:29
Dernière modification le : lundi 20 juillet 2020 - 09:30:03
Archivage à long terme le : : vendredi 28 décembre 2018 - 14:41:06

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Oussama El Baradai, Davide Beneventi, Fannie Alloin, Yann Bultel, Mikael Party, et al.. Up-scaling of Micro fibrillated Cellulose Based Positive Electrodes for Lithium Ion Batteries by Roll-To-Roll Printing Process. International Journal of Engineering and Innovative Technology (IJEIT), 2008, 9001, pp.2277 - 3754. ⟨hal-01883276⟩

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