超拉伸水凝胶热电偶(英文) |
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作者姓名: | 赵乙凡 付希凡 刘冰涵 孙剑韬 庄子涵 杨培华 钟俊文 刘抗 |
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作者单位: | 1. MOE Key Laboratory of Hydraulic Machinery Transients,School of Power and Mechanical Engineering,Wuhan University;2. School of Smart Manufacturing,Jianghan University;3. The Institute of Technological Sciences,Wuhan University;4. Department of Electromechanical Engineering and Centre for Artificial Intelligence and Robotics,University of Macau |
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基金项目: | supported by the National Natural Science Foundation of China (62161160311, 22209124 and 51976141);;the Natural Science Foundation of Hubei Province (2021CFB208); |
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摘 要: | 可拉伸温度传感对实现人机触觉交互和温度调节至关重要,这些传感元件需要贴合特异性表面,且在拉伸条件下保持温度感知的精度.现有可拉伸温度传感器由于温度和形变引起电阻变化的相互干扰,在拉伸过程中存在固有的传感不稳定问题.本文提出了一种超可拉伸水凝胶热电偶,通过构建具有动态交联双网络的热电水凝胶,实现水凝胶热电偶的超拉伸性.通过设计的P型和N型热电水凝胶,构建热电偶单元.热电偶表现出1.93 mV K-1的高塞贝克系数,即使在100%的拉伸应变下,灵敏度依然保持稳定.本文的研究结果为可拉伸温度传感器提供了一种新的策略,并有望广泛应用于智能可穿戴设备.
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