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Journal article
Stamping of Flexible, Coplanar Micro-Supercapacitors Using MXene Inks
Advanced functional materials, v 28(9), 1705506
Feb 2018
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The fast growth of portable smart electronics and internet of things have greatly stimulated the demand for miniaturized energy storage devices. Micro-supercapacitors (MSCs), which can provide high power density and a long lifetime, are ideal stand-alone power sources for smart microelectronics. However, relatively few MSCs exhibit both high areal and volumetric capacitance. Here rapid production of flexible MSCs is demonstrated through a scalable, low-cost stamping strategy. Combining 3D-printed stamps with arbitrary shapes and 2D titanium carbide or carbonitride inks (Ti3C2Tx and Ti3CNTx, respectively, known as MXenes), flexible all-MXene MSCs with controlled architectures are produced. The interdigitated Ti3C2Tx MSC exhibits high areal capacitance: 61 mF cm−2 at 25 µA cm−2 and 50 mF cm−2 as the current density increases by 32 fold. The Ti3C2Tx MSCs also showcase capacitive charge storage properties, good cycling lifetime, high energy and power densities, etc. The production of such high-performance Ti3C2Tx MSCs can be easily scaled up by designing pad or cylindrical stamps, followed by a cold rolling process. Collectively, the rapid, efficient production of flexible all-MXene MSCs with state-of-the-art performance opens new exciting opportunities for future applications in wearable and portable electronics.
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Details
- Title
- Stamping of Flexible, Coplanar Micro-Supercapacitors Using MXene Inks
- Creators
- Chuanfang John Zhang (Corresponding Author) - Trinity College DublinMatthias P Kremer - Trinity College DublinAndrés Seral-Ascaso - Trinity College DublinSang-Hoon Park - Trinity College DublinNiall McEvoy - Trinity College DublinBabak Anasori - Drexel UniversityYury Gogotsi (Corresponding Author) - Drexel UniversityValeria Nicolosi (Corresponding Author) - Trinity College Dublin
- Publication Details
- Advanced functional materials, v 28(9), 1705506
- Publisher
- Wiley
- Number of pages
- 10
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000426154500016
- Scopus ID
- 2-s2.0-85042468415
- Other Identifier
- 991014969878004721
UN Sustainable Development Goals (SDGs)
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Multidisciplinary
- Chemistry, Physical
- Materials Science, Multidisciplinary
- Nanoscience & Nanotechnology
- Physics, Applied
- Physics, Condensed Matter