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Printed and Bio-Sourced Lithium Ion Batteries for Wearable Technologies

Oussama El Baradai, Ph.D., Swiss Center for Electronics and Microtechnology (CSEM)

From the wearable technology market exists an uncovered demand for batteries with customized designs, mechanical flexibility and high safety. We propose to answer this demand with an upscalable screen printing process for the fabrication batteries in highly customized designs. The flexibility of the battery is improved with respect to the state-of-the-art by printing of the active layers onto the separator and by the replacement of toxic components in the ink formulation with bio-sourced and organic free components the environmental impact is significantly improved. Such manufactured electrodes exhibit specific capacities which are in-line with the nominal capacities of the active materials. Based on these new materials and the novel manufacturing process, full batteries meeting the requirements of the emerging wearable market are currently under development.

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OussamaBOussama El Baradai received his Ph.D. degree in “Materials, energy and Process Engineering” from the National Polytechnic Institute of Grenoble in 2014. He obtained the M.Sc. degree in material science from the faculty “Università degli Studi di Torino”, Turin, Italy in 2011. He is coauthor of two articles, 2 oral communications, 1 written communication and 1 patent in the domain of printed electrodes for lithium ion batteries. He is currently postdoc researcher at the electronic and microelectronic center of Switzerland in the domain of printed storage devices.

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