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Article Abstract
Reliable and sustainable energy supply remains a critical challenge in wearable and implantable microelectronics. Although hybrid energy strategies show promise, most existing systems rely on stacked, multi-component designs, hindering integration and scalability. Here, a fully printed, monolithically integrated MXene-based system combining active wireless charging and passive energy harvesting is demonstrated. The system features an MXene-printed coil that delivers a stable 3 V wireless output and achieves up to 0.67 mW under self-powered operation. Integrated MXene micro-supercapacitors (MSCs) ensure effective voltage regulation and energy storage. Additionally, an MXene-printed humidity sensor is integrated, highlighting the platform's expandability for real-time sensing. The entire system is fabricated on flexible substrates via a streamlined, room-temperature MXene direct printing process without complex post-processing, providing a compact and scalable energy solution for untethered, self-sustained microelectronics.
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| http://dx.doi.org/10.1002/smll.202505476 | DOI Listing |
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