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Recent Progresses in Liquid-Free Soft Ionic Conductive Elastomers

Chinese Journal of Chemistry 2023年第7期41卷 835-860页

作者： Chuan Luo Zhenkai Huang zi-hao guo Kan Yue South China Advanced Institute for Soft Matter Science and Technology School of Emergent Soft MatterSouth China University of TechnologyGuangzhouGuangdong510640 China School of Materials Science and Hydrogen Energy Foshan UniversityFoshanGuangdong528000 China Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices South China University of TechnologyGuangzhouGuangdong510640 China

Comprehensive Summary With the rapid growth of soft electronic and ionotronic devices such as artificial tissues,soft luminescent devices,soft robotics,and human-machine interfaces,there is a demanding need to accelerate the development of soft ionic conductive *** date,the first-generation ionotronic devices are mainly based on hydrogels or ***,due to their intrinsic drawbacks,such as freezing or volatilization at extreme temperatures,and the leakage problem under external mechanical forces,the reliability of ionotronic devices under harsh conditions remains a great *** advent of liquid-free ionic conductive elastomers(ICEs)has the potentials to solve the issues related to the gel-type soft conductive *** free ions shuttling within the ion-dissolvable polymer network enable liquid-free ICEs to exhibit unparalleled ionic conductivity and ***,by tuning the composition and structure of the polymeric network,it is also feasible to integrate other desirable properties,such as self-healing ability,transparency,biocompatibility,and stimulus responsiveness,into liquid-free ICE *** this review,we summarize the design strategies of recently reported liquid-free ICEs,and further explore the methods to introduce multifunctionality,which originate from the rational molecular design and/or the synergy with other ***,we highlight the representative applications of liquid-free ICEs in soft *** is believed that liquid-free ICEs might provide a unique material platform for the next-generation ionotronics.

关键词： Liquid-free Elastomer lonic conductorSoft materials lonotronics

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Ultralight Iontronic Triboelectric Mechanoreceptor with High Specific Outputs for Epidermal Electronics

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Nano-Micro Letters 2022年第6期14卷 1-14页

作者： Hai Lu Wang zi hao guo Xiong Pu Zhong Lin Wang Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of SciencesBeijing 101400People’s Republic of China School of Nanoscience and Technology University of Chinese Academy of SciencesBeijing 100049People’s Republic of China Center on Nanoenergy Research School of Physical Science and TechnologyGuangxi UniversityNanning 530004People’s Republic of China CUSTech Institute of Technology Wenzhou 325024ZhejiangPeople’s Republic of China School of Materials Science and Engineering Georgia Institute of TechnologyAtlantaGA 30332USA

The pursuit to mimic skin exteroceptive ability has motivated the endeavors for epidermal artificial *** mechanoreceptors are required to be highly sensitive to capture imperceptible skin deformations and preferably to be self-powered,breathable,lightweight and deformable to satisfy the prolonged wearing *** is still struggling to achieve these traits in single device,as it remains difficult to minimize device architecture without sacrificing the sensitivity or *** this article,we present an all-fiber iontronic triboelectric mechanoreceptor(ITM)to fully tackle these challenges,enabled by the high-output mechano-to-electrical energy *** proposed ITM is ultralight,breathable and stretchable and is quite stable under various mechanical *** the one hand,the ITM can achieve a superior instantaneous power density;on the other hand,the ITM shows excellent sensitivity serving as epidermal *** health status monitoring is readily implemented by the ITM calibrating by detecting vital signals and physical activities of human *** ITM can also realize acoustic-to-electrical conversion and distinguish voices from different people,and biometric application as a noise dosimeter is *** ITM therefore is believed to open new sights in epidermal electronics and skin prosthesis fields.

关键词： Ultralight Iontronic Triboelectric mechanoreceptor Power density Epidermal electronics

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Stretchable iontronics with robust interface bonding between dielectric and ion-conducting elastomers

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Nano Research 2023年第9期16卷 11862-11870页

作者： Zhongpeng Li Panpan Zhang Yangshi Shao zi-hao guo Xiong Pu School of Chemistry and Chemical Engineering Center on Nanoenergy ResearchSchool of Physical Science and TechnologyGuangxi UniversityNanning 530004China CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-Nano Energy and SensorBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing 101400China School of Nanoscience and Technology University of Chinese Academy of SciencesBeijing 100049China

Dry ion-conducting elastomers(ICEs)are emerging stretchable and ionic conductive materials that are demonstrated with excellent thermal stability and great promise in multifunctional iontronic ***,the poor interface between the ICEs and the dielectric material is one of the issues hindering the application of the stretchable iontronic ***,a polydimethylsiloxane(PDMS)based ion-conducting elastomer with dynamic crosslinking structures is reported,which achieves the stretchability of 475%and healing efficiency of 99%.More importantly,a robust interface bonding can be generated between the electrode and the dielectric material,which is beneficial to enhance the performance and lifespan of the flexible iontronic *** this PDMS based ICE as the electrode and PDMS as the dielectric material,two stretchable iontronic devices(triboelectric nanogenerator and capacitive pressure sensor)are realized with overall self-healing and stretchable *** findings provide a promising strategy to achieve integrate stretchable iontronics or electronics with a robust interface between the electrode and dielectric materials.

关键词： ion-conducting elastomers robust interface iontronics triboelectric nanogenerator pressure sensor

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Templated synthesis of patterned gold nanoparticle assemblies for highly sensitive and reliable SERS substrates

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Nano Research 2023年第4期16卷 5056-5064页

作者： Jianping Peng Peijiang Liu Yutong Chen zi-hao guo Yanhui Liu Kan Yue South China Advanced Institute for Soft Matter Science and Technology School of Emergent Soft MatterSouth China University of TechnologyGuangzhou 510640China National Key Laboratory for Reliability Physics and Its Application Technology of Electrical Component the 5th Electronics Research Institute of the Ministry of Information IndustryGuangzhou 510610China College of Textiles&Clothing Laboratory of New Fiber Materials and Modern TextileState Key laboratory of Bio-Fibers and Eco-TextilesQingdao UniversityQingdao 266000China

Formation of plasmonic structure in closely packed assemblies of metallic nanoparticles(NPs)is essential for various applications in sensing,renewable energy,authentication,catalysis,and ***,a surface-enhanced Raman scattering(SERS)substrate is fabricated for trace detection with ultrahigh sensitivity and *** SERS substrate is constructed from a simple yet robust strategy through in situ growth patterned assemblies of Au NPs based on a polymer brush templated synthesis *** from the dense and uniform distribution of Au NPs,the resulting Au plasmonic nanostructure demonstrates a very strong SERS effect,while the outer polymer brush could restrict the excessive growth of Au NPs and the patterned design could achieve uniform distribution of Au *** results,an ultra-low limit of detection(LOD)of 10^(−15)M,which has never been successfully detected in other work,is determined for 4-acetamidothiophenol(4-AMTP)molecules and the Raman signals in the random region show good signal homogeneity with a low relative standard deviation(RSD)of 7.2%,indicating great sensitivity and reliability as a SERS *** LOD values of such Au plasmonic nanostructures for methylene blue,thiram,and R6G molecules can also reach as low as 10^(−10)M,further indicating that the substrate has a wide range of applicability for SERS *** the help of finite difference time domain simulations(FDTD)calculation,the electric field distribution of the Au plasmonic nanostructures is simulated,which quantitatively matches the experimental ***,the Au plasmonic nanostructures show good shelf stability for at least 10 months of storage in an ambient environment,indicating potentials for practical applications.

关键词： templated synthesis patterned Au nanostructures surface-enhanced Raman scattering polymer brush plasmonic nanostructures

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A Wearable Multidimensional Motion Sensor for AI-Enhanced VR Sports

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Research 2023年第3期2023卷 105-115页

作者： zi hao guo ziXuan Zhang Kang An Tianyiyi He Zhongda Sun Xiong Pu Chengkuo Lee Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of SciencesBeijing 101400People's Republic of China School of Nanoscience and Technology University of Chinese Academy of SciencesBejing 100049People's Republic of China Department of Electrical and Computer Engineering National University of Singapore4 Engineering Drive 3Singapore 117576Singapore School of Mechanical and Materials Engineering North China University of TechnologyBeijing 100144People's Republic of China

Regular exercise paves the way to a healthy ***,conventional sports events are susceptible to weather *** motion sensors for home-based sports are mainly limited by operation power consumption,single-direction sensitivity,or inferior data ***,by leveraging the 3-dimensional printing technique and triboelectric effect,a wearable self-powered multidimensional motion sensor has been developed to detect both the vertical and planar movement *** integrating with a belt,this sensor could be used to identify some low degree of freedom motions,e.g.,waist or gait motion,with a high accuracy of 93.8%.Furthermore,when wearing the sensor at the ankle position,signals generated from shank motions that contain more abundant information could also be effectively *** means of a deep learning algorithm,the kicking direction and force could be precisely differentiated with an accuracy of 97.5%.Toward practical application,a virtual reality-enabled fitness game and a shooting game were successfully *** work is believed to open up new insights for the development of future household sports or rehabilitation.

关键词： integrating printing Regular

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China Geology

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Acta Geologica Sinica(English Edition) 2018年第3期92卷 1291-1292页

作者： zi-guo hao

Foreword The purpose of geology is tracing the past,exploring the future,supporting development and benefiting *** since the Industrial Revolution,geology has played crucial roles in supporting the socio-economic development,studying the earth evolution and the human origins,and promoting the scientific and technological *** an era of worldwide changes,traditional modes of

关键词： technological progress The purpose of geology

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Advanced inorganic/polymer hybrid electrolytes for all-solid-state lithium batteries

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Journal of Advanced Ceramics 2022年第6期11卷 835-861页

作者： Xiaoyu JI Yiruo ZHANG Mengxue CAO Quanchao GU Honglei WANG Jinshan YU zi-hao guo Xingui ZHOU Science and Technology on Advanced Ceramic Fibers and Composites Laboratory College of Aerospace Science and EngineeringNational University of Defense TechnologyChangsha 410073China South China Advanced Institute for Soft Matter Science and Technology School of Molecular Science and EngineeringSouth China University of TechnologyGuangzhou 510640China Department of Chemical and Environmental Engineering Yale UniversityNew Haven 06511USA

Solid-state batteries have become a frontrunner in humankind’s pursuit of safe and stable energy storage systems with high energy and power *** materials,currently,seem to be the Achilles’heel of solid-state batteries due to the slow kinetics and poor interfacial *** the merits of solid inorganic electrolytes(SIEs)and solid polymer electrolytes(SPEs),inorganic/polymer hybrid electrolytes(IPHEs)integrate improved ionic conductivity,great interfacial compatibility,wide electrochemical stability window,and high mechanical toughness and flexibility in one material,having become a sought-after pathway to high-performance all-solid-state lithium ***,we present a comprehensive overview of recent progress in IPHEs,including the awareness of ion migration fundamentals,advanced architectural design for better electrochemical performance,and a perspective on unconquered challenges and potential research *** review is expected to provide a guidance for designing IPHEs for next-generation lithium batteries,with special emphasis on developing high-voltage-tolerance polymer electrolytes to enable higher energy density and three-dimensional(3D)continuous ion transport highways to achieve faster charging and discharging.

关键词： solid-state electrolytes(SSEs) hybrid electrolytes energy density electrical energy storage(EES) lithium batteries

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Graphene-based dual-function acoustic transducers for machine learning-assisted human-robot interfaces

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InfoMat 2023年第2期5卷 66-79页

作者： hao Sun Xin Gao Liang-Yan guo Lu-Qi Tao zi hao guo Yangshi Shao Tianrui Cui Yi Yang Xiong Pu Tian-Ling Ren Institute of Microelectronics and Beijing National Research Center for Information Science and Technology(BNRist) Tsinghua UniversityBeijingPeople's Republic of China CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-nano Energy and SensorBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijingPeople's Republic of China State Key Laboratory of Power Transmission Equipment and System Security and New Technology School of Electrical EngineeringChongqing UniversityChongqingPeople's Republic of China School of Computer Science&Technology Beijing Institute of TechnologyBeijingPeople's Republic of China School of Automation and Electrical Engineering University of Science and Technology BeijingBeijingPeople's Republic of China

Human–robot interface(HRI)electronics are critical for realizing robotic ***,we report graphene-based dual-function acoustic transducers for machine learning-assisted human–robot interfaces(GHRI).The GHRI functions both an artificial ear through the triboelectric acoustic sensing mechanism and an artificial mouth through the thermoacoustic sound emission *** success of the integrated device is also attributed to the multifunctional laser-induced graphene,as either triboelectric materials,electrodes,or thermoacoustic *** systematically optimizing the structure parameters,the GHRI achieves high sensitivity(4500 mV Pa^(–1))and operating durability(1000000 cycles and 60 days),capable of recognizing speech identities,emotions,content,and other information in the human *** the assistance of machine learning,30 speech categories are trained by a convolutional neural network,and the accuracy reaches 99.66%and 96.63%in training datasets and test ***,GHRI is used for artificial intelligence communication based on recognized speech *** work shows broad prospects for the development of robotic intelligence.

关键词： human-robot interface laser-induced graphene machine learning thermoacoustic triboelectric nanogenerator

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Exploring natural gas hydrates toward a carbon-neutral world

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China Geology 2022年第2期5卷 197-200页

作者： zi-guo hao Development and Research Center of China Geological Survey Ministry of Natural ResourcesBeijing 100037China

The energy revolution is the foundation and driving force for the progress of human *** discovery and utilization of fossil energy,which has greatly increased labor productivity and transformed society from a civilization based on farming into an industrial civilization,is a global energy *** the past two centuries,industrial civilization has brought about substantial progress but has also caused increasingly severe environmental and climate *** these issues,governments around the world have successively formulated specific indices and deadlines for peak carbon dioxide emissions and carbon neutrality.

关键词： neutral carbon successively

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Carbon neutrality:China's energy transition over the past decade

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China Geology 2024年第4期7卷 803-806页

作者： Li-qiong Jia Xi-jie Chen zi-guo hao Development and Research Center China Geological SurveyMinistry of Natural ResourcesBeijing 100037China

China's energy transition is based on accelerating the construction of a clean,low-carbon,safe,and efficient new energy system(Fig.1),providing strong energy security for economic and social development;focusing on ecological civilization construction,and accelerating the formation of a new energy consumption model that is efficient,green,inclusive,and beneficial,while promoting carbon reduction,pollution reduction,expansion of green spaces,and economic growth.

关键词： transition energy neutral

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