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245 1 0 _a3D Printed Gallium Battery with Outstanding Energy Storage: Toward Fully Printed Battery-on-the-Board Soft Electronics
490 0 _vSmall, 2304716, p.1-13, 2024
520 3 _aThe last decade observed rapid progress in soft electronics. Yet, the ultimate desired goal for many research fields is to fabricate fully integrated soft-matter electronics with sensors, interconnects, and batteries, at the ease of pushing a print button. In this work, an important step is taken toward this by demonstrating an ultra-stretchable thin-film Silver-Gallium (Ag-Ga)battery with an unprecedented combination of areal capacity and mechanical strain tolerance. The Biphasic Gallium-Carbon anode electrode demonstrates a record-breaking areal capacity of 78.7 mAh cm?2, and an exceptional stretchability of 170 percent, showing clear progress over state-of-the-art. The exceptional theoretical capacity of gallium, along with its natural liquid phase self-healing, and its dendrite-free operation permits excellent electromechanical cycling. All composites of the battery including liquid-metal-based current collectors, and electrodes are sinter-free and digitally printable at room temperature, enabling the use of a wide range of substrates, including heat-sensitive polymer films. Consequently, it is demonstrated for the first time multi-layer, and multi-material digital printing of complex battery-on-the-board stretchable devices that integrate printed sensor, multiple cells of printed battery, highly conductive interconnects, and silicone chips, and demonstrate a tailor-made patch for body-worn electrophysiological monitoring.
700 1 2 _aFreitas, M. C.
700 1 2 _aSanati, A. L.
700 1 2 _aLopes, P. A.
700 1 2 _aSilva, A. F.
700 1 2 _aTavakoli, M.
856 4 0 _uhttps://drive.google.com/open?id=19si9ahvnwya5w5bn3SzCui-c0He1M2v8&usp=drive_copy
_zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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