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    Percolation Phenomenon: Degradation of Molded Power Inductors in DC/DC Converters

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    Percolation Phenomenon: Degradation of Molded Power Inductors in DC/DC Converters

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    Percolation Phenomenon: Degradation of Molded Power Inductors in DC/DC Converters

    Molex Acquires Smiths Interconnect

    Murata Integrates Component Models into Cadence EDA Tools

    Wk 42 Electronics Supply Chain Digest

    Stackpole Introduces Automotive Thick Film Wide Termination Chip Resistors

    September 2025 ECIA US Components Sales Sentiment Continues in Optimism

    Bourns Release Automotive 4-Terminal Shunt Resistors

    Bourns Releases High Inductance Common Mode Choke

    Vishay Releases Automotive TO-220 Case 50W Thick Film Power Resistor

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    Percolation Phenomenon: Degradation of Molded Power Inductors in DC/DC Converters

    Connector PCB Design Challenges

    Efficient Power Converters: Duty Cycle vs Conduction Losses

    Ripple Steering in Coupled Inductors: SEPIC Case

    SEPIC Converter with Coupled and Uncoupled Inductors

    Coupled Inductors in SEPIC versus Flyback Converters

    Non-Linear MLCC Class II Capacitor Measurements Challenges

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Rigid Chip Components for Self-healable and Recyclable Wearable Electronics

13.1.2022
Reading Time: 2 mins read
A A
Design and schematic illustration of highly stretchable, self-healable, and recyclable multifunctional wearable electronics.

(A) Schematic illustration of a multifunctional wearable electronic system mounted on the hand, which integrates ECG, acoustic, motion, and temperature sensing capabilities. (B) Exploded view of the multifunctional wearable electronics. (C) Optical images of the multifunctional device being crumpled on the skin, bended, twisted, and stretched. (D) Schematic illustration of self-healing and recycling of the multifunctional wearable electronics. Photo credit: Chuanqian Shi, University of Colorado, Boulder.

Design and schematic illustration of highly stretchable, self-healable, and recyclable multifunctional wearable electronics. (A) Schematic illustration of a multifunctional wearable electronic system mounted on the hand, which integrates ECG, acoustic, motion, and temperature sensing capabilities. (B) Exploded view of the multifunctional wearable electronics. (C) Optical images of the multifunctional device being crumpled on the skin, bended, twisted, and stretched. (D) Schematic illustration of self-healing and recycling of the multifunctional wearable electronics. Photo credit: Chuanqian Shi, University of Colorado, Boulder.

Researchers from Shanghai, Beijing university in China and University of Colorado, USA have demonstrated a highly stretchable, self-healable, recyclable, and reconfigurable multifunctional wearable electronic system that can provide physical motion tracking, body temperature monitoring, and sensing of acoustic and ECG signals.

Wearable electronics can be integrated with the human body for monitoring physical activities and health conditions, for human-computer interfaces, and for virtual/augmented reality. We here report a multifunctional wearable electronic system that combines advances in materials, chemistry, and mechanics to enable superior stretchability, self-healability, recyclability, and reconfigurability. This electronic system heterogeneously integrates rigid, soft, and liquid materials through a low-cost fabrication method. The properties reported in this wearable electronic system can find applications in many areas, including health care, robotics, and prosthetics, and can benefit the well-being, economy, and sustainability of our society.

RelatedPosts

Percolation Phenomenon: Degradation of Molded Power Inductors in DC/DC Converters

Molex Acquires Smiths Interconnect

Murata Integrates Component Models into Cadence EDA Tools

Researchers have demonstrated a highly stretchable, self-healable, recyclable, and reconfigurable multifunctional wearable electronic system that can provide physical motion tracking, body temperature monitoring, and sensing of acoustic and ECG signals. The wearable electronics is realized by electrically interconnecting high-performance, off-the-shelf chip components using LM circuity and encapsulated with a dynamic covalent thermoset polyimine matrix. The wearable electronics can be stretched uniaxially by 60% in both horizontal and vertical directions and biaxially by 30% without affecting the electrical sensing performance. Enabled by the bond exchange reactions in the polyimine network and fluid behavior of the LM circuitry, the wearable electronics can self-heal from damages and can be reconfigured into distinct configurations for different application scenarios. When severely damaged or no longer needed, the wearable electronics can be fully recycled, leading to oligomers/monomers dissolved in methanol, and chip components and LM can be separated from the solution. The recycled solution, chip components, and LM can be reused to make new-generation materials and devices. This work can find applications in many areas, including health care, prosthetics, robotics, and human-computer interfaces, and can benefit the well-being, economy, and sustainability our society.

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Source: Science Mag.

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