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Recently, the team of Yu Shuhong, an academician of the Chinese Academy of Sciences and a professor at the University of Science and Technology of China, has developed a super-elastic all-carbon porous material with both high compressibility and stretchability, which is called "carbon spring"
This work provides an effective way to construct new intelligent vibration and magnetic sensors, and provides a new strategy for using other inorganic components to create highly scalable porous materials that can be used in extreme situations
Porous carbon materials have a wide range of applications and have always been a research hotspot in the field of materials science
Previously, the researchers of the team were inspired by the macro-elastic arch structure of the human "foot arch", and with the help of the two-way ice template technology they developed, they constructed an all-carbon porous material composed of an orderly stack of micro-arch structure units, achieving a high height.
Recently, they have taken inspiration from the elastic deformation mechanism of the "bow" again.
Based on this, researchers have successfully developed this "carbon spring", which can achieve reversible tensile and compression deformations in a large strain range of -60% to 80%, and can fully rebound, similar to For real metal springs, this elastic property distinguishes it from almost all previously reported porous carbon materials