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Materials Engineering
Wearable Materials
A Recyclable, Ecofriendly, And Biofriendly Biomass-based Elastomer Via The Nanoactivation Effect Of Liquid Metal For Electronic Skin.

Home
Research Domains
Engineering
Materials Engineering
Wearable Materials
A Recyclable, Ecofriendly, And Biofriendly Biomass-based Elastomer Via The Nanoactivation Effect Of Liquid Metal For Electronic Skin.

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A Recyclable, Ecofriendly, and Biofriendly Biomass-Based Elastomer via the Nanoactivation Effect of Liquid Metal for Electronic Skin.

Yulin Liu¹, Zhe Yu^2,3, Xin Gao^1,4

¹Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, People's Republic of China.

ACS Applied Materials & Interfaces

|December 15, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

Researchers developed a new eco-friendly electronic skin (E-skin) using liquid-metal (LM) nanodroplets in cellulose. This recyclable material offers excellent flexibility and sensitivity for advanced sensing applications.

Keywords:

aggregate architecture cellulose friendly E-skin hydrogen bond

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Area of Science:

Materials Science
Polymer Science
Nanotechnology

Background:

Electronic skin (E-skin) development faces challenges in achieving eco-friendly and recyclable properties.
Integrating liquid-metal (LM) droplets into soft polymers offers potential for advanced E-skin materials.

Purpose of the Study:

To create a novel, environmentally friendly, and recyclable E-skin material.
To enhance the mechanical properties and sensing capabilities of cellulose-based composites.

Main Methods:

Fabrication of a composite by embedding LM nanodroplets into cellulose film derived from corn stalks.
Characterization of the composite's structure, mechanical properties (modulus, stretchability, toughness), and biocompatibility.
Development and implementation of a piezocapacitive sensor array using the composite material.

Main Results:

The composite exhibits eco-degradability, recyclability, biocell compatibility, and biotissue compatibility.
LM nanoactivation induced structural changes in cellulose, leading to enhanced softness and resilience (0.64 MPa modulus, 827.1% stretchability, 14.55 MJ m^-3 toughness).
A piezocapacitive sensor array demonstrated high accuracy in recognizing sitting postures and letter graphics.

Conclusions:

A novel, friendly E-skin material was successfully fabricated from agricultural waste (cellulose) and LM.
The developed material overcomes the rigidity limitations of traditional cellulose films, offering superior flexibility and resilience.
The successful implementation of the sensor array marks a significant advancement towards next-generation friendly E-skin technologies.