Wide-Range Motion Recognition Through Insole Sensor Using Multi-Walled Carbon Nanotubes and Polydimethylsiloxane Composites

Heo, Jae Sang; Soleymanpour, Rahim; Lam, Jessica; Goldberg, David M.; Large, Edward W.; Park, Sung Kyu; Kim, In-Soo

doi:10.1109/jbhi.2021.3096322

Cited by 7 publications

(4 citation statements)

References 42 publications

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“…Recently, it has been pointed out that designing contact areas with randomly distributed rough surfaces is an effective method to achieve both high sensitivity and wide pressure sensing range. Heo et al [136] used MWCNTs and PDMS to obtain a composite conductive film rich in microstructures at the surface by a simple and efficient solution mixing method. The pressure sensors have stable and repeatable responses with an average response and recovery time of approximately 167 ms and 179 ms, respectively.…”

Section: Pure Cnt-based Sensorsmentioning

confidence: 99%

0D to 2D carbon-based materials in flexible strain sensors: recent advances and perspectives

Liu

Zhang

et al. 2023

2D Mater.

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In the past decade, flexible strain sensors have attracted much attention in the fields of health care, soft robots and other flexible electronics due to their unique flexibility, high stability, and strong mechanical properties. To further meet the requirements of the excellent performance for electronic equipment, carbon-based conductive sensitive materials have become one of the first choice for the preparation of flexible strain sensors due to their excellent electrical conductivity, mechanical properties, and high compatibility. Herein, based on different strain behaviors, this paper analyzes the working mechanism of tensile and compressive strain sensors, focusing on the latest research progress of carbon-based conductive materials in strain sensors with different dimensions. The applications of carbon-based sensitive materials with multifunctional strain sensing in the areas of physiological information detection, human motion, human-machine interaction, and visual display have also been summarized. Furthermore, it has been attempted to discuss the current challenges of carbon-based strain sensors as well as the prospect of flexible strain sensors. This review is aimed to provide appropriate references for further exploitation of multi-functional flexible carbon-based strain sensors.

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Section: Pure Cnt-based Sensorsmentioning

confidence: 99%

0D to 2D carbon-based materials in flexible strain sensors: recent advances and perspectives

Liu

Zhang

et al. 2023

2D Mater.

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“…Commonly, flexible strain sensors usually incorporate nanometals (such as metal nanoparticles, silver nanowires) [30][31][32] , nanocarbon materials (including carbon black, CNTs, graphene, etc.) [33][34][35][36][37][38][39][40][41][42][43][44][45] , conductive polymers (including PANI, PPy, and PEDOT:PSS ) [46][47][48][49] , and other conducting materials like Mxene [50][51][52] as conductive fillers with polymeric substrates to impart excellent electrical conductivity to the composites.…”

Section: Introductionmentioning

confidence: 99%

“…[28,29] Commonly, flexible strain sensors usually incorporate nanometals (such as metal nanoparticles, silver nanowires), [30][31][32] nanocarbon materials (including carbon black, CNTs, graphene, etc. ), [33][34][35][36][37][38][39][40][41][42][43][44][45] conductive polymers (including PANI, PPy, and PEDOT:PSS), [46][47][48][49] and other conducting materials like Mxene [50][51][52] as conductive fillers with polymeric High-performance flexible strain sensors are gaining more and more attention with their bespoken detection range, excellent sensing performance, and good stability, which are highly desired in wearable electronics. Herein, a thermoplastic polyurethane elastomer (TPU) fibrous membrane is prepared as a flexible substrate by electrostatic spinning technology, then a coating of polydopamine is formed through fast synthesizing the dopamine on TPU fibrous membrane surface and loaded with carbon nanotubes (CNTs) to develop an extremely sensitive flexible strain sensor.…”

mentioning

confidence: 99%

Flexible Strain Sensor Enabled by Carbon Nanotubes‐Decorated Electrospun TPU Membrane for Human Motion Monitoring

Weng

et al. 2023

Adv Materials Inter

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“…The flexible piezoresistive sensors can be widely used in medical monitoring, motion monitoring, artificial intelligence, electronic skin, and other fields that can timely and accurately monitor the abnormal signals of the human body, such as blood pressure, pulse, breathing, and heartbeat. [4][5][6][7] The growing population and the burning of fossil fuels have led to the increasing demand for clean and pollution-free energy School of Textile Science and Engineering, Tiangong University, China storage, and flexible energy storage is one of the future development directions. 8 Flexible supercapacitors have the advantages of high power density, fast charging and discharging speed, long cycle life, and good mechanical flexibility, and their proportion is gradually increasing in flexible electronic equipment.…”

mentioning

confidence: 99%

Study on the flexible superhydrophobic piezoresistive sensor and electrochemical properties of three-dimensional network structure polypyrrole hollow tube/cross-leaf ZIF-L

Liu

et al. 2022

Textile Research Journal

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Zeolitic imidazolate framework (ZIF) materials have advantages such as large specific surface area, high porosity, adjustable skeleton structure, and easy functionality, but their poor electrical conductivity limits their application in the field of piezoresistive sensors and electrochemistry. To solve this problem, we prepared polypyrrole hollow tubes on the surface of polyester-cotton fabric using the soft template method and in situ polymerization method, the cross-leaf ZIF-L (L means leaf shape) was grown on the surface of polypyrrole hollow tubes using the in situ growth method, and the properties of piezoresistive sensing, electrochemistry, and surface wettability were tested. The experimental results showed that the three-dimensional network structure polypyrrole hollow tube/cross-leaf ZIF-L composite combined the advantages of polypyrrole hollow tube and ZIF-L materials, and the average sensitivity reaches 6.12 kPa−1, which was 5.3 times that of the polypyrrole hollow tube composite, and 1.9 times that of the cross-leaf ZIF-L composite. As an excellent energy storage material, the specific capacitance was 42.4 F · g−1 at a scan rate of 0.01 V/s. The composite was also an excellent superhydrophobic material, and its contact angle was up to 168.5°, which can facilitate the practical application of sensor materials and electrode materials. Polypyrrole hollow tube/cross-leaf ZIF-L composite had advantages of a simple process, thin thickness, light weight, and low price, and can be widely used in the field of smart wearables.

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Wide-Range Motion Recognition Through Insole Sensor Using Multi-Walled Carbon Nanotubes and Polydimethylsiloxane Composites

Cited by 7 publications

References 42 publications

0D to 2D carbon-based materials in flexible strain sensors: recent advances and perspectives

0D to 2D carbon-based materials in flexible strain sensors: recent advances and perspectives

Flexible Strain Sensor Enabled by Carbon Nanotubes‐Decorated Electrospun TPU Membrane for Human Motion Monitoring

Study on the flexible superhydrophobic piezoresistive sensor and electrochemical properties of three-dimensional network structure polypyrrole hollow tube/cross-leaf ZIF-L

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