Recent progress in liquid metal printing and its applications

Liang, Shuting; Yang, Jie; Li, Fengjiao; Xie, Shunbi; Song, Na; Hu, Liang

doi:10.1039/d3ra04356h

RSC Adv.

2023

DOI: 10.1039/d3ra04356h

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Recent progress in liquid metal printing and its applications

Shuting Liang,

Jie Yang,

Fengjiao Li

et al.

Abstract: Liquid metals are a type of material with excellent properties and have shown comprehensive development prospects.

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Cited by 4 publications

References 53 publications

(106 reference statements)

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Liquid metal flexible wearable triboelectric nanogenerator device for human energy harvesting

Liang,

Li,

Xie

et al. 2023

J of Applied Polymer Sci

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Humans generate a lot of irregular movements in their daily lives, and much of the movement energy is difficult to collect. This paper develops a wearable device based on a liquid metal (LM)‐based frictional electric nanogenerator, including: flexible power‐generating fiber, power‐generating surface, and power‐generating insole. Friction nano power generation fibers are prepared using LM, epoxy resin, and silicone. The power generation device could be formed by weaving the fibers in cross, mesh and spiral arrangement, with a maximum open circuit voltage of 142 mV and current of 1.06 A, which could be coded into intelligent clothing. Power generating surfaces use LM, nylon,polycaprolactone (PCL), and polyethylene terephthalate (PET) as friction electrodes. The LM‐PCL produces a maximum open‐circuit voltage of 2.4 V and a maximum current of 1.23 A when they form a friction electrode. Electricity‐generating insoles are composed of silicone holes filled with LM, and the movement of the human foot generates electricity. With a friction area of 18.75 cm2, a maximum output voltage of 221 mV is obtained. These friction nano power devices have the advantages of a green environment, and low cost, which could be widely used in medical, biological, and clothing formulation fields.

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Liquid metal flexible wearable triboelectric nanogenerator device for human energy harvesting

Liang,

Li,

Xie

et al. 2023

J of Applied Polymer Sci

Self Cite

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3D Printing of TPU‐Liquid Metal Composite Inks for the Preparation of Flexible Sensing Electronics

Liang,

Huang,

Jiang

et al. 2024

ChemistryOpen

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Direct 3D printing of liquid metal is difficult to form and easy to destroy. In this paper, we developed a 3D printed composite material consisting of a thermoplastic polyurethane (TPU) matrix and liquid metal (LM) dispersed droplets, and introduced the method for realizing 3D printed devices with this composite material: First, the LM is added to 10~50wt %TPU at 190~200 °C through ultrasonic blending to prepare blended ink. After solid cooling, the LM‐TPU composite fiber with a diameter of 600 μm was prepared by Wellzoom desktop extruder at 190 °C at an extrusion speed of 400 mm/min. It has excellent elasticity, with a tensile limit of 0.637 N/m2, and the TPU could evenly wrap LM droplets. Finally, the LM‐TPU fiber is 3D printed at 240 °C by using a 3D printer, and 2D/3D flexible electronic devices with heating and conductive functions could be prepared. The microcircuit has good electrical conductivity; after adding voltage, the circuit has heat release; it could be used as heating equipment to keep warm and used in various flexible wearable electronic products.

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Sculpting liquid metal stabilized interfaces: a gateway to liquid electronics

Mahapatra,

Das,

Gill

et al. 2024

Nanoscale

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Recent progress in liquid metal printing and its applications

Abstract: Liquid metals are a type of material with excellent properties and have shown comprehensive development prospects.

Cited by 4 publications

References 53 publications

Liquid metal flexible wearable triboelectric nanogenerator device for human energy harvesting

Liquid metal flexible wearable triboelectric nanogenerator device for human energy harvesting

3D Printing of TPU‐Liquid Metal Composite Inks for the Preparation of Flexible Sensing Electronics

Sculpting liquid metal stabilized interfaces: a gateway to liquid electronics

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