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Liquid metal circuits set new standards for the electronics of the future.
Scientists from the National University of Singapore (NUS) have created a unique material that is ideal for flexible electronic circuits. This breakthrough could dramatically improve the performance of wearable technology, soft robots, and other smart devices.
The new material, called Bilaminar Liquid-Solid Conductor (BiLiSC), can stretch up to 22 times its original length without significant loss of electrical conductivity. This electromechanical indicator, which was not previously achieved, improves human interaction with the device and expands the possibilities of its use in medical wearable devices.
Professor Lim Chwi Tek, head of the research team, said: "We developed this technology to meet the need for a robust circuit with high functionality for the next generation of wearable, robotic and smart devices."
BiLiSC is a two-layer technology. The first layer is pure liquid metal, which provides high conductivity even under high deformations. The second layer consists of a composite material with microparticles of liquid metal, which can recover from damage. When cracks or breaks form, liquid metal flowing out of the microparticle fills the gap, allowing the material to restore its conductivity almost instantly.
For commercial suitability, the NUS team has developed a method for fast and cost-effective production of BiLiSC. The results of the study were published in the journal Advanced Materials in November 2022.
The researchers also demonstrated the possibility of using BiLiSC in various components of wearable electronics. Now they are working on creating an improved version of BiLiS that can be printed directly without using a template, which will reduce the cost and improve the manufacturing accuracy of BiLiSC.
Scientists from the National University of Singapore (NUS) have created a unique material that is ideal for flexible electronic circuits. This breakthrough could dramatically improve the performance of wearable technology, soft robots, and other smart devices.
The new material, called Bilaminar Liquid-Solid Conductor (BiLiSC), can stretch up to 22 times its original length without significant loss of electrical conductivity. This electromechanical indicator, which was not previously achieved, improves human interaction with the device and expands the possibilities of its use in medical wearable devices.
Professor Lim Chwi Tek, head of the research team, said: "We developed this technology to meet the need for a robust circuit with high functionality for the next generation of wearable, robotic and smart devices."
BiLiSC is a two-layer technology. The first layer is pure liquid metal, which provides high conductivity even under high deformations. The second layer consists of a composite material with microparticles of liquid metal, which can recover from damage. When cracks or breaks form, liquid metal flowing out of the microparticle fills the gap, allowing the material to restore its conductivity almost instantly.
For commercial suitability, the NUS team has developed a method for fast and cost-effective production of BiLiSC. The results of the study were published in the journal Advanced Materials in November 2022.
The researchers also demonstrated the possibility of using BiLiSC in various components of wearable electronics. Now they are working on creating an improved version of BiLiS that can be printed directly without using a template, which will reduce the cost and improve the manufacturing accuracy of BiLiSC.
