无液体,自我修复,可回收和高度伸展的无色固体离子导电弹性体用于应变/温度传感器
Wangyi Zeng1,2, Wenhao Yang1,2, Liang Chai1,2
1School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, China.
Chemistry (Weinheim an der Bergstrasse, Germany)
|July 27, 2023
概括
这项研究引入了一种新的无液体离子导电弹性弹性体 (ICE-2),用于柔性传感器. 这种材料具有出色的机械性能,自我修复性和可回收性,使其能够灵敏地检测人类活动.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 传感器技术 传感器技术
背景情况:
- 水凝和离子凝面临着液体泄漏和蒸发的挑战,限制了它们在灵活的离子传感器中的使用.
- 固态离子导电弹性体 (ICE) 由于其固有的稳定性和机械性能,提供了一个有前途的替代品.
研究的目的:
- 合成和表征一种基于聚氨 (PU) 的新型无液体离子导电弹性弹性体 (ICE-2).
- 评估ICE-2作为先进的柔性离子传感器材料的潜力,能够检测各种刺激.
主要方法:
- 使用微相分离,合成一种无液体离子聚氨 (PU) 类型的导电弹性弹性体 (ICE-2).
- 描述ICE-2的离子导电性,光学透明度,机械性能 (抗拉强度,破裂时的延长,断裂能量),自我愈合效率,环境稳定性和可回收性.
- 使用ICE-2的传感器的制造和测试,以评估其在检测温度变化和人类活动方面的性能.
主要成果:
- 冰-2显示出良好的离子导电性 (2.86×10-6 S/cm) 和高透明度 (>89%).
- 弹性体表现出优异的机械性能,包括3.06MPa的抗拉强度,1760%的破裂延伸率和14.98kJ/m2的断裂能量.
- 观察到可观的自我愈合 (>90%的效率),环境稳定性和可回收性. 传感器成功检测到温度变化和人类运动,如关节运动和微表情.
结论:
- 合成的ICE-2是一种适用于灵活传感器的多功能,无液体的离子导电材料.
- 该材料强大的机械性能,自我修复能力和灵敏的检测性能突出显示了它在人机界面和可穿戴电子产品方面的潜力.
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