Research progress on gallium based liquid metal based flexible sensing materials
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 con-ductivity,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.
flexible sensing materialsgallium based liquid metaldroplet methodinitiating agentrecyclable
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