A system for fluid pumping by liquid metal multi-droplets

Dai, Liyu; Wu, Xiaomin; Hou, Huimin; Hu, Zhifeng; Lin, Yukai; Yuan, Zhiping

doi:10.1039/d3lc01017a

Lab Chip

2024

DOI: 10.1039/d3lc01017a

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A system for fluid pumping by liquid metal multi-droplets

Liyu Dai,

Xiaomin Wu,

Huimin Hou

et al.

Abstract: Cuboid pump systems driven by liquid metal multi-droplets using pillars to restrain the motion of droplets are designed, which achieve a significant increase in the flow rate of the pump.

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Cited by 3 publications

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An Acidic Media Pump with Ga‐Based Liquid Metal

Wang,

Wang

et al. 2024

Adv Funct Materials

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Micropumps have an important influence on the field of microfluidics, with particular interest in pumps based on liquid metal that operate without mechanical moving parts. While previous research has primarily focused on pumping alkaline media, this article aims to advance the field by demonstrating a liquid metal pump suitable for acidic environments. A key strategy involves reducing the interfacial tension between the liquid metal and the surrounding solution through the addition of surface‐active anions (I−). Theoretical analysis first evaluates the effectiveness of this approach. These experimental results confirm that increasing KI concentrations leads to a decrease in interfacial tension, enabling the deformation and actuation of liquid metal droplets at lower voltages compared to acidic media alone. Subsequently, an acidic media pump is constructed, and various parameters influencing its performance are examined, including acidity, iodide anion concentration, voltage, frequency, and droplet volume. This research offers strategies for developing liquid metal pumps with high flow rates and low energy consumption, thereby expanding the application potential of liquid metal in microfluidics.

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An Acidic Media Pump with Ga‐Based Liquid Metal

Wang,

Wang

et al. 2024

Adv Funct Materials

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An enhanced heat transfer method based on the electrocapillary effect of gallium-based liquid metal

Dai,

Wu,

Guo

et al. 2024

Lab Chip

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Temperature-triggered liquid metal actuators for fluid manipulation by leveraging phase transition control

Lu,

Yang,

Zhao

et al. 2024

International Journal of Smart and Nano Materials

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A system for fluid pumping by liquid metal multi-droplets

Abstract: Cuboid pump systems driven by liquid metal multi-droplets using pillars to restrain the motion of droplets are designed, which achieve a significant increase in the flow rate of the pump.

Cited by 3 publications

References 56 publications

An Acidic Media Pump with Ga‐Based Liquid Metal

An Acidic Media Pump with Ga‐Based Liquid Metal

An enhanced heat transfer method based on the electrocapillary effect of gallium-based liquid metal

Temperature-triggered liquid metal actuators for fluid manipulation by leveraging phase transition control

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