DC electric field-driven heartbeat phenomenon of gallium-based liquid metal on a floating electrode

Ge, Zhenyou; Tao, Ye; Liu, Weiyu; Song, Chao; Xue, Rui; Jiang, Hongyuan; Ren, Yukun

doi:10.1039/d1sm01550h

Cited by 15 publications

(18 citation statements)

References 38 publications

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“…3(e)). A redox reaction 34,43,44 occurs on the surface of the LMDs, in which the near negative side of the droplet undergoes an oxidation reaction to produce Ga 2 O 3 .2Ga + 6OH − = Ga 2 O 3 + 3H 2 O + 6e − …”

Section: Resultsmentioning

confidence: 99%

A tripodal wheeled mobile robot driven by a liquid metal motor

et al. 2022

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Section: Resultsmentioning

confidence: 99%

A tripodal wheeled mobile robot driven by a liquid metal motor

et al. 2022

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“…Under the stimulation of an external field, Wang et al constructed a circular graphite electrode tilted at an angle in a NaOH solution, to realize a voltage-stimulated oscillation with liquid gallium . Ge et al reported a gallium indium alloy heartbeat on a floating electrode with the stimulation of a direct current field . Li et al designed an artificial heart based on eutectic GaInSn metal alloy with an electric field excitation device …”

Section: Introductionmentioning

confidence: 99%

“…19 Ge et al reported a gallium indium alloy heartbeat on a floating electrode with the stimulation of a direct current field. 20 Li et al designed an artificial heart based on eutectic GaInSn metal alloy with an electric field excitation device. 21 In our recent study, we introduced another safer substitute for the MBH demonstration: the Galinstan beating heart demonstration (GBH).…”

Section: ■ Introductionmentioning

confidence: 99%

Direct Current (DC) Electric Field-Enabled Beating Heart of Ga-Based Liquid Metal

Wang

Jiang

et al. 2022

J. Chem. Educ.

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Mercury beating heart (MBH) is a well-known demonstration of redox processes. However, the development and application of the MBH system are significantly restricted due to its safety issues. Here, a direct current electric field-enabled gallium-based liquid metal heartbeat in a salt solution or alkaline solution is introduced as a demonstration appropriate for undergraduate general chemistry. The former oscillation occurs on the cathode, the latter on the anode. The objective is to achieve a visually appealing effect in the classroom and motivate students to understand the underlying concepts. Students are encouraged to assemble the instrument and perform the demonstration under supervision. Apart from the gallium-based liquid metal and a helping-hand stand, the demonstration utilizes common laboratory apparatus, and the materials for the solutions can be obtained in an undergraduate general chemistry laboratory.

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“…Gallium-based LMs, such as eutectic gallium indium alloy (EGaIn, 75.5 wt% gallium and 24.5 wt% indium) and Galinstan (68.5 wt% gallium, 21.5 wt% indium, and 10 wt% tin), are a new kind of intelligent material that combines the characteristics of metals and fluids, such as excellent thermal conductivity, 9 electrical conductivity, 10–12 fluidity, 13 biocompatibility, 14 and low toxicity. 15 The LM applications in flexible robots, 16,17 flexible electronics, 18,19 micromotors, 20,21 neural probes, 22 drug delivery, 23–25 chip cooling, 26 3D printing, 27–29 liquid metal pumps 30 and other fields 31–34 have attracted much attention. In addition, LM droplets can move under the action of ultrasound, 35 optical, 36,37 electrical, 38,39 magnetic, 40–42 and chemical mechanisms, 20 which makes LMs have great applications in microfluidics and robotics.…”

Section: Introductionmentioning

confidence: 99%