Bioinspired Triboelectric Nanogenerators: Bioinspired Triboelectric Nanogenerators as Self‐Powered Electronic Skin for Robotic Tactile Sensing (Adv. Funct. Mater. 6/2020)

Guo, Yao; Xu, Liang; Cheng, Xiaowen; Li, Yangyang; Huang, Xin; Guo, Wei; Liu, Shaoyu; Wang, Zhong Lin; Wu, Hao

doi:10.1002/adfm.202070035

Cited by 38 publications

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“…It has been shown that the fully integrated on‐skin electrode systems can be energy demanding due to the integration of data processing and wireless transmission units. [ 214–216 ] Moreover, there is a trend to integrate other types of sensors, such as temperature sensors, [ 159 ] accelerometers, [ 176 ] strain sensors, [ 183 ] hydration sensors, [ 200 ] tactile sensors, [ 217,218 ] etc., into on‐skin electrode systems for more comprehensive monitoring, which will clearly drive up the energy consumption. Thus, it is difficult to provide wearable and high energy density power sources for the integrated systems.…”

Section: Discussion and Perspectivesmentioning

confidence: 99%

Materials, Devices, and Systems of On‐Skin Electrodes for Electrophysiological Monitoring and Human–Machine Interfaces

et al. 2020

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On‐skin electrodes function as an ideal platform for collecting high‐quality electrophysiological (EP) signals due to their unique characteristics, such as stretchability, conformal interfaces with skin, biocompatibility, and wearable comfort. The past decade has witnessed great advancements in performance optimization and function extension of on‐skin electrodes. With continuous development and great promise for practical applications, on‐skin electrodes are playing an increasingly important role in EP monitoring and human–machine interfaces (HMI). In this review, the latest progress in the development of on‐skin electrodes and their integrated system is summarized. Desirable features of on‐skin electrodes are briefly discussed from the perspective of performances. Then, recent advances in the development of electrode materials, followed by the analysis of strategies and methods to enhance adhesion and breathability of on‐skin electrodes are examined. In addition, representative integrated electrode systems and practical applications of on‐skin electrodes in healthcare monitoring and HMI are introduced in detail. It is concluded with the discussion of key challenges and opportunities for on‐skin electrodes and their integrated systems.

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Section: Discussion and Perspectivesmentioning

confidence: 99%

Materials, Devices, and Systems of On‐Skin Electrodes for Electrophysiological Monitoring and Human–Machine Interfaces

et al. 2020

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“…[ 71 ] Metal materials can be directly deposited on a flexible substrate to form a conductive thin film. [ 72,73 ] Besides, these materials can serve as the conductive fillers in polymers. [ 74 ] For example, Zhao and co‐workers reported a novel flexible pressure sensor consisting of a triple‐layered porous PDMS/silver nanoparticle (AgNP) sponge ( Figure a).…”

Section: Methodsmentioning

confidence: 99%

Flexible Pressure Sensors for Biomedical Applications: From Ex Vivo to In Vivo

Zheng

Chen

et al. 2020

Adv Materials Inter

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As an important branch of flexible electronics, flexible pressure sensors that combine unique advantages including light weight, flexibility, and low‐cost, have drawn extensive attention owing to their great potential for biomedical applications. In this review, the current state‐of‐the‐art flexible pressure sensors concerning common substrate and active materials, sensing mechanism, key parameters, sensitivity optimization strategies, and promising biomedical applications from ex vivo to in vivo and which results in the distinct requirements of materials and structure design is briefly reviewed. Finally, perspectives on the potential challenges of flexible pressure sensors are provided.

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“…Humans simultaneously leverage multiple sensory inputs to be able to navigate and interact with their surroundings. [ 1 ] While robotics researchers are actively working to mimic this capability, [ 2–19 ] it typically requires the use of multiple sensors, making it more challenging to obtain a high density of modalities on a single robot. [ 20 ] Robotics applications typically require both pressure and proximity‐sensing capabilities to create systems that can interact autonomously with the environment and safely with humans.…”

Section: Introductionmentioning

confidence: 99%

Flexible Fringe Effect Capacitive Sensors with Simultaneous High‐Performance Contact and Non‐Contact Sensing Capabilities

et al. 2020

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To mimic human touch sensing, robotics must be able to leverage multiple sensory inputs. Previously, to achieve both proximity and pressure sensing, most approaches have required using two separate sensors, each with their corresponding electronics, limiting the achievable density. More recently, sensors with multifunctional pressure and proximity capabilities have been realized at the cost of compromised pressure sensing. Presented here is a new design for a multifunctional interdigitated fringe field capacitive pressure sensor with a pyramid microstructured dielectric layer that has proximity‐sensing capabilities (noncontact mode) while also sensing pressure (contact mode) as strongly as an equivalent parallel plate capacitive sensor of the same size. In contact mode, both sensors have a response time of less than 20 ms and can respond to loads lighter than 0.5 Pa. Further, the interdigitated fringe field sensor can clearly distinguish between the two sensing modes, as well as between conductive and nonconductive materials in the noncontact mode. Finally, we use the interdigitated fringe field sensor to demonstrate both proximity and high‐sensitivity pressure sensing on a robotic gripper.

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Bioinspired Triboelectric Nanogenerators: Bioinspired Triboelectric Nanogenerators as Self‐Powered Electronic Skin for Robotic Tactile Sensing (Adv. Funct. Mater. 6/2020)

Cited by 38 publications

References 0 publications

Materials, Devices, and Systems of On‐Skin Electrodes for Electrophysiological Monitoring and Human–Machine Interfaces

Materials, Devices, and Systems of On‐Skin Electrodes for Electrophysiological Monitoring and Human–Machine Interfaces

Flexible Pressure Sensors for Biomedical Applications: From Ex Vivo to In Vivo

Flexible Fringe Effect Capacitive Sensors with Simultaneous High‐Performance Contact and Non‐Contact Sensing Capabilities

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