High performance wearable batteries

Department of Flexible Electronics INSPIRING INNOVATION SINCE 1816 High performance wearable batteries Thierry Djenizian 02 July 2024 Department of Flexible Electronics 2 (R)Evolution of wearable technologies Department of Flexible Electronics 3 Microba(eries for wearable technologies Department of Flexible Electronics 4 Number of scientific articles for flexible and stretchable batteries in the last 20 years State-of-the-arts Department of Flexible Electronics 5 W. Weng, et al, Adv. Mater. 2015, 27, 1363 Q.-C. Liu, et al, Nat. Commun. 2015, 6, 7892 H. Li, Y. Ding, et al, Adv. Mater. 2017, 29, 1700898 H. Lin, et al, Adv. Mater. 2014, 26, 1217 Xu, et al, Nat. Commun. 2013 ,4, 1543 State-of-the-arts Department of Flexible Electronics 6 New concepts and designs Microbatteries Na-ion bio-eliminable battery Department of Flexible Electronics 7 Micropillar electrodes supported on serpentine current collectors by laser patterning Improvement of the electrode/electrolyte interfaces by using 3D materials for high capacity values (>> 1 mA h cm-2) R. Delattre, Th. Djenizian, "Deformable accumulator", WO/2018/167393 The stretchable ba(ery Department of Flexible Electronics 8 The stretchable battery Stretched Bent Department of Flexible Electronics 9 The stretchable battery Department of Flexible Electronics 16 Helmet & cameras Eye contact lens & glasses Today Tomorrow Achieve the integration of electronic circuits in eye contact lenses JL de Bougrenet, C Lahuec, F Seguin, F Ferranti, V Nourrit, Th Djenizian, «Système de pointage automatique de la direction du regard et dispositif de détection correspondant», FR1903979 Applica9ons Department of Flexible Electronics 17 The electronic eye-contact lens Limited functionality due to the lack of energy storage! A micropower source must be integrated to provide energy for all electronic devices, i.e. Laser, ASICs, BMS,… Credit: Google, Sony, Samsung Department of Flexible Electronics 18 Objectives Laser + electronics Harvesting antenna Not autonomous single layer Department of Flexible Electronics 19 The first results M. Nasreldin, R. DelaZre, M. Ramuz, C. Lahuec, T. Djenizian and J-L de Bougrenet de la Tocnaye, Flexible Micro-BaZery for Powering Smart Contact Lens, Sensors, 19, 2062 (2019) Department of Flexible Electronics 20 Objectives Department of Flexible Electronics 21 The stretchable battery Department of Flexible Electronics 22 The stretchable battery 8 min 18 min 150 min Department of Flexible Electronics 23 Communication ØArticle in Science & Vie by T. Djenizian and J.-L. de Bougrenet de la Tocnaye Department of Flexible Electronics 24 The wire battery Design a “Wire-shaped Flexible MicrobaVery” to power E-texXle based wearable devices Wrist or chest band Smart socks Body suit Department of Flexible Electronics 25 The wire battery T. Djenizian, V.K.A. Muniraj, R. Delattre, M. Ramuz, A metal-ion electrochemical accumulator, with electrodes with electrically conductive substrates forming the collectors which are wound in ahelix around each other, separated by aseparator also wound in ahelix and encapsulated in asheath.Application number:EP23167208.0., 2023-01 Department of Flexible Electronics (For temporary medical implants) The fabrication process Bioeliminable rechargeable battery Department of Flexible Electronics (For temporary medical implants) The Electrochemical characteriza?on and KPIs Main Characteristics • Diameter 0.8 cm • Thickness 0.2 cm • Surface 0.5 cm 2 • Volume 0.1 cm 3 • Mass 0.1 g Key Performance Indicators • Capacity 1.25 mAh • Capacity retention 83 % after 100 discharges • Energy density 1 mWh • Power density 1 mW • Full charging time 15 – 60 min • Rechargeability depth 0.1 – 2 cm • Bioresorbabilty time One day – several months Bioeliminable rechargeable battery Department of Flexible Electronics (For temporary medical implants) In vitro & in vivo studies The elimination time is controlled by the PLGA thickness üBio-elimination üToxicity Right aBer implant 4 weeks aBer implant Bioeliminable rechargeable battery Department of Flexible Electronics (For temporary medical implants) Bioeliminable rechargeable battery The wireless recharging battery Inductive recharge through the skin Department of Flexible Electronics Thank you CE05-Axis 2.2. Une énergie durable, propre, sûre et efficace