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Micro-masonry for 3D Additive Micromanufacturing

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A Monolithically Integrated MXene-Printed Hybrid Energy System for Wireless Self-Powered Microelectronics.

Yuzhou Shao¹, Yang Pan², Dongsheng Li³

¹Laboratory of Agricultural Information Intelligent Sensing, School of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, China.

Small (Weinheim an Der Bergstrasse, Germany)

|August 28, 2025

Summary

This summary is machine-generated.

This study introduces a fully printed MXene energy system for microelectronics. It combines wireless charging and energy harvesting, offering a scalable, integrated power solution for wearable devices.

Keywords:

direct ink writing flexible electronics hybrid energy self‐powered wireless charging

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Area of Science:

Materials Science
Energy Harvesting
Microelectronics

Background:

Wearable and implantable microelectronics require reliable, sustainable power sources.
Current hybrid energy systems often use complex, multi-component designs that limit integration and scalability.

Purpose of the Study:

To demonstrate a fully printed, monolithically integrated MXene-based system for wireless charging and energy harvesting.
To develop a scalable and compact energy solution for untethered microelectronic applications.

Main Methods:

Fabrication of a MXene-printed coil for wireless power transfer.
Integration of MXene micro-supercapacitors (MSCs) for energy storage and voltage regulation.
Development of a MXene-printed humidity sensor for integrated sensing capabilities.
Utilizing a room-temperature MXene direct printing process on flexible substrates.

Main Results:

The MXene-printed coil achieved a stable 3 V wireless output and up to 0.67 mW under self-powered operation.
Integrated MSCs provided effective voltage regulation and energy storage.
The system demonstrated expandability with an integrated humidity sensor.
The entire system was fabricated using a streamlined, room-temperature printing process without complex post-processing.

Conclusions:

A novel, fully printed MXene energy system offers a compact and scalable solution for self-sustained microelectronics.
The monolithic integration of wireless charging, energy harvesting, storage, and sensing is achieved through a simplified printing process.
This technology advances power solutions for next-generation wearable and implantable devices.