镓基液态金属基柔性传感材料的制备研究进展

Research progress on gallium based liquid metalbased flexible sensing materials

随着人工智能可穿戴技术的快速发展,带动了具备可拉伸、可压缩和可扭曲特性的柔性传感材料的蓬勃兴起。镓基液态金属(LM),由于其卓越的导电性、导热性、流动性、高表面张力和可塑性等特点,已被广泛应用于制备柔性传感材料。然而,有关镓基液态金属用于制备柔性传感材料的方法,特别是与柔性基体材料复合,迄今缺乏全面的综述。着重介绍了镓基液态金属用于柔性传感材料的制备方法,包括直接结合法、液滴法和液态金属作为引发剂法。其次,对镓基液态金属柔性传感材料应用的最新进展进行探讨。讨论了镓基液态金属柔性传感材料在可回收利用方面取得的进展。最后,就目前研究中仍存在的问题提出建议,并对未来进行展望。

With the rapid development of wearable technology in artificial intelligence,flexible sensing materials with stretchable,compressible,and twisted properties have flourished.Gallium based liquid metal(LM)has been widely used in the preparation of flexible sensing materials due to its excellent conductivity,thermal conductivity,flowability,high surface tension,and plasticity.However,there is currently a lack of comprehensive review on the methods for preparing flexible sensing materials using gallium based liquid metals,especially when combined with flexible matrix materials.This article focuses on the preparation methods of gallium based liquid metal for flexible sensing materials,including direct bonding method,droplet method,and liquid metal as initiator method.Secondly,the latest progress in the application of gallium based liquid metal flexible sensing materials is discussed.In addition,the progress made in the recyclability of gallium based liquid metal flexible sensing materials is discussed.Finally,suggestions are made on the existing problems in its current research and prospects for the future.