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Self-powered composites by bioinspired device-to-material integration.

Guojiang Wen1, Zhiwei Zhu1, Wenrui Cai1

  • 1College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, Sichuan, China. yu.wang3@scu.edu.cn.

Materials Horizons
|December 11, 2024
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Summary
This summary is machine-generated.

Researchers developed self-powered composites (SPCs) using coin cells and 3D printing. These customizable materials offer high mechanical strength or stretchability, paving the way for advanced electronics and vehicles.

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Area of Science:

  • Materials Science
  • Energy Storage
  • Robotics

Background:

  • The Internet of Things (IoT) demands specialized power sources with adaptable mechanical properties and shapes.
  • Traditional batteries struggle to meet these requirements for customizable and integrated power solutions.

Purpose of the Study:

  • To design self-powered composites (SPCs) by integrating commercial coin cells into polymer matrices.
  • To achieve customizable shapes and enhanced energy density through a bioinspired device-to-material integration (DTMI) strategy.
  • To explore the potential of SPCs as building blocks for next-generation electronics and vehicles.

Main Methods:

  • Employed a device-to-material integration (DTMI) strategy using commercially available coin cells (CR927) as functional fillers.
  • Utilized 3D printing to create bioinspired polymer host configurations for enhanced energy density and shape customization.
  • Conducted in situ electrochemical mechanical testing to evaluate material properties.

Main Results:

  • Commercial coin cells demonstrated high electrochemical compression strength (158 MPa) when integrated into polymer composites.
  • SPCs were successfully fabricated with tunable mechanical properties, including high strength and stretchability.
  • Demonstrated SPCs as viable components for self-powered electrical vehicles, wearable electronics, and smart sensors.

Conclusions:

  • The DTMI strategy enables the creation of versatile self-powered materials with tailored mechanical characteristics.
  • SPCs offer a promising solution for integrated, customizable power sources in various advanced applications.
  • The study opens new avenues for developing self-powered materials for emerging technologies like robotics and IoT devices.