3 years ago

Stretchable Motion Memory Devices Based on Mechanical Hybrid Materials

Stretchable Motion Memory Devices Based on Mechanical Hybrid Materials
Xiaodong Chen, Ming Wang, Geng Chen, Wan Ru Leow, Hong Wang, Dianpeng Qi, Bevita K. Chandran, Cai Xu, Ke He, Zhiyuan Liu, Jiancan Yu, Bowen Zhu, Yaqing Liu
Animals possess various functional systems such as sensory, nervous, and motor systems, which show effective cooperation in order to realize complicated and intelligent behaviors. This inspires rational designs for the integration of individual electronic devices to exhibit a series of functions, such as sensing, memory, and feedback. Inspired by the fact that humans can monitor and memorize various body motions, a motion memory device is developed to mimic this biological process. In this work, mechanical hybrid substrates are introduced, in which rigid memory devices and stretchable strain sensors are integrated into a single module, which enables them to work cooperatively in the wearable state. When attached to the joints of limbs, the motion memory device can detect the deformations caused by limb motions and simultaneously store the corresponding information in the memory device. This work would be valuable in materials design and electronics technology toward the realization of wearable and multifunctional electronic modules. Motion memory devices based on a mechanical hybrid substrate are designed with integration of memory devices and strain sensors, in order to store information on human motion by monitoring the deformations of the body surface caused by the elongation of muscles.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/adma.201701780

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