A Machine Learning-Enabled Real-Time temperature response system based on Polymer-Filler interactions for conductive network assembly

IF 13.3 1区 工程技术 Q1 ENGINEERING, CHEMICAL
Yaqi Geng, Jialiang Zhou, Man Liu, Zexu Hu, Liping Zhu, Le Wang, Senlong Yu, Hengxue Xiang, Meifang Zhu
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Abstract

Temperature sensing is essential for the human body’s interaction with the environment, and electronic skin mimicking human perception is crucial for developing smart wearable devices. Wearable sensors based on conductive polymer composites (CPCs) possess large sensitive, simple, and low-cost preparation characteristics. However, establishing the conductive networks necessitates sufficient filler doping, posing processability and cost control challenges. Herein, we report a susceptible thermo-sensor (TS) that utilizes the secondary polymer thermoplastic polyurethane (TPU) to connect carbon black (CB) particles, facilitating the assembly of a conductive network at low concentrations, thereby improving their electrical conductivity. The TS can defect temperatures in the range of 15 – 45 °C with a sensitivity of 1200 %, a positive temperature coefficient (PTC) intensity of approximately 5, and a response time of less than 10 s. By machine learning to identify the output signal of TS, the recognition accuracy reaches 99.8 %, then the real-time temperature display can be successfully realized. This approach provides a simple preparation method for personalized medicine and soft robotics.

Abstract Image

基于聚合物-填料相互作用的导电网络装配机器学习实时温度响应系统
温度传感对于人体与环境的交互至关重要,而模拟人类感知的电子皮肤对于开发智能可穿戴设备至关重要。基于导电聚合物复合材料(cpc)的可穿戴传感器具有灵敏度高、制备简单、成本低等特点。然而,建立导电网络需要足够的填料掺杂,这对可加工性和成本控制提出了挑战。在此,我们报告了一种敏感热传感器(TS),它利用二次聚合物热塑性聚氨酯(TPU)连接炭黑(CB)颗粒,促进低浓度下导电网络的组装,从而提高其导电性。TS可以在15 - 45 °C范围内检测温度,灵敏度为1200 %,正温度系数(PTC)强度约为5,响应时间小于10 s。通过机器学习对TS输出信号进行识别,识别准确率达到99.8 %,成功实现了温度的实时显示。该方法为个性化医疗和软机器人提供了一种简单的制备方法。
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来源期刊
Chemical Engineering Journal
Chemical Engineering Journal 工程技术-工程:化工
CiteScore
21.70
自引率
9.30%
发文量
6781
审稿时长
2.4 months
期刊介绍: The Chemical Engineering Journal is an international research journal that invites contributions of original and novel fundamental research. It aims to provide an international platform for presenting original fundamental research, interpretative reviews, and discussions on new developments in chemical engineering. The journal welcomes papers that describe novel theory and its practical application, as well as those that demonstrate the transfer of techniques from other disciplines. It also welcomes reports on carefully conducted experimental work that is soundly interpreted. The main focus of the journal is on original and rigorous research results that have broad significance. The Catalysis section within the Chemical Engineering Journal focuses specifically on Experimental and Theoretical studies in the fields of heterogeneous catalysis, molecular catalysis, and biocatalysis. These studies have industrial impact on various sectors such as chemicals, energy, materials, foods, healthcare, and environmental protection.
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阿拉丁
tetrahydrofuran
阿拉丁
Tetrahydrofuran (THF)
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