A5087615318- Advanced Sensor and Energy Harvesting Materials
- Conducting polymers and applications
- Tactile and Sensory Interactions
- Supercapacitor Materials and Fabrication
- Advanced Fiber Optic Sensors
- Photonic and Optical Devices
- Dielectric materials and actuators
- Advanced Battery Materials and Technologies
- Innovative Energy Harvesting Technologies
- Advanced Materials and Mechanics
- Advancements in Battery Materials
- Plasmonic and Surface Plasmon Research
- Advanced Battery Technologies Research
- Advanced MEMS and NEMS Technologies
- Advanced Thermoelectric Materials and Devices
- Semiconductor Lasers and Optical Devices
- 3D Printing in Biomedical Research
- Gas Sensing Nanomaterials and Sensors
- Electrowetting and Microfluidic Technologies
- Nonlocal and gradient elasticity in micro/nano structures
- Biosensors and Analytical Detection
- Advanced battery technologies research
- Elasticity and Material Modeling
- Thermal Radiation and Cooling Technologies
- Neuroscience and Neural Engineering
Beijing Institute of Nanoenergy and Nanosystems
2019-2024
Chinese Academy of Sciences
2019-2024
University of Chinese Academy of Sciences
2020-2024
National University of Singapore
2023
Shanghai University of Electric Power
2018-2019
University of Science and Technology Beijing
2019
Henan University of Science and Technology
2014
Abstract The detrimental hydrogen evolution side reaction is one of the major issues hindering commercialization Zn metal anode in high‐safety and low‐cost rechargeable aqueous batteries. Herein, authors present a Sn alloying approach to effectively inhibit dendrite growth anode. Through situ monitoring production during repeated plating/stripping tests, it quantitatively demonstrated that alloy electrode with appropriate amount only half pure electrode. Furthermore, allows for favorable...
Abstract Soft ionic conductors show great promise in multifunctional iontronic devices, but currently utilized gel materials suffer from liquid leakage or evaporation issues. Here, a dry ion‐conducting elastomer with dynamic crosslinking structures is reported. The endow it combined advantageous properties simultaneously, including high conductivity (2.04 × 10 −4 S cm −1 at 25 °C), self‐healing capability (96% healing efficiency), stretchability (563%), and transparency (78%). With this...
Abstract The development of stretchable/soft electronics requires power sources that can match their stretchability. In this study, a highly stretchable, transparent, and environmentally stable triboelectric nanogenerator with ionic conductor electrodes (iTENG) is reported. ion‐conducting elastomer (ICE) electrode, together dielectric electrification layer, allows the ICE‐iTENG to achieve stretchability 1036% transmittance 91.5%. Most importantly, ICE liquid solvent‐free thermally up 335 °C,...
Triboelectric nanogenerators (TENGs), which hold great promise for sustainably powering wearable electronics by harvesting distributed mechanical energy, are still severely limited their unsatisfactory power density, small capacitance, and high internal impedance. Herein, a materials optimization strategy is proposed to achieve performance of TENGs lower the matching impedance simultaneously. A permittivity-tunable electret composite film, i.e., thermoplastic polyurethane (TPU) matrix with...
Artificial haptic sensors form the basis of touch-based human-interfaced applications. However, they are unable to respond remote events before physical contact. Some elasmobranch fishes, such as seawater sharks, use electroreception somatosensory system for environmental perception. Inspired by this ability, we design a soft artificial electroreceptor sensing approaching targets. The electroreceptor, enabled an elastomeric electret, is capable encoding precontact information into series...
Abstract The reliable function in vivo of self‐powered implantable bioelectric devices (iBEDs) requires biocompatible, seamless, effective interactions with biological tissues. Herein, an tissue‐adhesive piezoelectric soft sensor (TPSS), which the converts biomechanical signals into electrical signals, and adhesive hydrogel (AH) strengthens this conversion by seamlessly adhering on wet curvilinear surface, is proposed. optimized AH exhibits strong adhesion to various organic or inorganic...
Generation of direct current (DC) from mechanical kinetic energies is crucial for realizing self-powered wearable electronics. Here, we report a flexible textile-based DC generator based on the tribovoltaic effect at dynamic metal-semiconducting polymer interface. The refers to phenomenon in which an energy "quantum" released once atom–atom bond formed interface two contacting materials; such "binding" excites electron–hole pairs metal–semiconductor interfaces or semiconductor–semiconductor...
Abstract Electrochromic supercapacitor devices (ESCDs) are highly promising for energy‐saving applications or smart windows, whereas they still require electrical energy inputs. In this study, a self‐charging ESCD (SC‐ESCD) based on the and sliding‐mode direct‐current triboelectric nanogenerators is successfully proposed. The SC‐ESCD cannot merely convert mechanical sliding kinetic into store electricity in electrochromic supercapacitors but can also show optical responses to motions....
The electric double layer (EDL) at liquid-solid interfaces is fundamental to many research areas ranging from electrochemistry and microfluidics colloidal chemistry. Here, we demonstrate the electricity generation by mechanically modulating EDL hydrogel-dielectric polymer interfaces. It found that contact electrification between hydrogel dielectric could charge surface first; mechanical deformation of pyramid-shaped results in periodic variation area capacitance, which then induces an...
Poor room-temperature ionic conductivities and narrow electrochemical stable windows severely hinder the application of conventional poly(ethylene oxide)-based (PEO-based) solid polymer electrolytes (SPEs) for high-energy-density lithium metal batteries (LMBs). Herein, we designed synthesized a PEO-based self-healing electrolyte (SHSPE) via dynamically cross-linked imine bonds safe, flexible LMBs. The constructed dynamic networks endow this SPE with fascinating intrinsic ability excellent...
Abstract Human–robot interface (HRI) electronics are critical for realizing robotic intelligence. Here, we report graphene‐based dual‐function acoustic transducers machine learning‐assisted human–robot interfaces (GHRI). The GHRI functions both an artificial ear through the triboelectric sensing mechanism and mouth thermoacoustic sound emission mechanism. success of integrated device is also attributed to multifunctional laser‐induced graphene, as either materials, electrodes, or sources. By...
The pursuit to mimic skin exteroceptive ability has motivated the endeavors for epidermal artificial mechanoreceptors. Artificial mechanoreceptors are required be highly sensitive capture imperceptible deformations and preferably self-powered, breathable, lightweight deformable satisfy prolonged wearing demands. It is still struggling achieve these traits in single device, as it remains difficult minimize device architecture without sacrificing sensitivity or stability. In this article, we...
The tribovoltaic effect is demonstrated by contact-separation motions of a dynamic Schottky interface, achieving exceptional electrical output performances and avoiding abrasion issues.
Abstract Flexoelectricity features the strain gradient‐induced mechanoelectric conversion using materials not limited by their crystalline symmetry, but state‐of‐the‐art flexoelectric exhibit very small coefficients and are too brittle to withstand large deformations. Here, inspired ion polarization in living organisms, this paper reports giant iontronic flexoelectricity of soft hydrogels where is attributed different transfer rates cations anions under bending The found be easily regulated...
Distributed renewable kinetic energies are ubiquitous but with irregular amplitudes and frequencies, which, as one category of "high-entropy" energies, crucial for next-generation self-powered electronics. Herein, we present a flexible waterproof dual-mode textile triboelectric nanogenerator (TENG), which can simultaneously scavenge multiple including human motions, raindrops, winds. A freestanding-mode TENG (F-TENG) contact-separation-mode (CS-TENG) integrated together. The structure...
Regular exercise paves the way to a healthy life. However, conventional sports events are susceptible weather conditions. Current motion sensors for home-based mainly limited by operation power consumption, single-direction sensitivity, or inferior data analysis. Herein, leveraging 3-dimensional printing technique and triboelectric effect, wearable self-powered multidimensional sensor has been developed detect both vertical planar movement trajectory. By integrating with belt, this could be...
A localized high concentration electrolyte, prepared using sevoflurane as a diluent in carbonate, promotes the formation of highly robust LiF-rich solid-electrolyte interphases on both Li-metal anodes and NMC811 cathodes, leading to long-life high-voltage lithium batteries.