Wei Zeng

ORCID: 0000-0001-8145-5266
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About
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Research Areas
  • Advanced Sensor and Energy Harvesting Materials
  • Conducting polymers and applications
  • Advanced Thermoelectric Materials and Devices
  • Advanced Combustion Engine Technologies
  • Combustion and flame dynamics
  • Advanced Battery Materials and Technologies
  • Advanced battery technologies research
  • Advancements in Battery Materials
  • Thermal Radiation and Cooling Technologies
  • Innovative Energy Harvesting Technologies
  • Gas Sensing Nanomaterials and Sensors
  • Analytical Chemistry and Sensors
  • Combustion and Detonation Processes
  • Tactile and Sensory Interactions
  • Advanced Chemical Sensor Technologies
  • Nanoplatforms for cancer theranostics
  • Electrochemical sensors and biosensors
  • Luminescence and Fluorescent Materials
  • MXene and MAX Phase Materials
  • Vehicle emissions and performance
  • Advanced Battery Technologies Research
  • biodegradable polymer synthesis and properties
  • Supercapacitor Materials and Fabrication
  • Organic Electronics and Photovoltaics
  • Chalcogenide Semiconductor Thin Films

Jinan University
2024-2025

Shenzhen University
2025

Tianjin University of Science and Technology
2025

Chengdu Medical College
2024-2025

Guangdong Academy of Sciences
2020-2024

Guangdong Institute of New Materials
2022-2024

Tsinghua–Berkeley Shenzhen Institute
2022-2024

Tsinghua University
2011-2024

Beijing University of Chemical Technology
2024

Beijing National Laboratory for Molecular Sciences
2024

Future generations of wearable electronic systems and mobile communication place a great demand for harvesting energy from ambient environments or human movements. Soft fiber-based electric power generators are attractive in meeting the requirements devices because efficient conversion performance, high durability comfort. In this paper, we present novel all-fiber nanogenerator, which consists PVDF–NaNbO3 nanofiber nonwoven fabric as an active piezoelectric component, elastic conducting...

10.1039/c3ee41063c article EN Energy & Environmental Science 2013-01-01

Harvesting mechanical energy from human activities by triboelectric nanogenerators (TENGs) is an effective approach for sustainable, maintenance‐free, and green power source wireless, portable, wearable electronics. A theoretical model contact‐mode based on the principles of charge conservation zero loop‐voltage illustrated. Explicit expressions output current, voltage, are presented TENGs with external load resistance. Experimental verification conducted using a laboratory‐fabricated TENG...

10.1002/aenm.201600505 article EN cc-by-nc-nd Advanced Energy Materials 2016-06-14

Stretchable conductive polymers have aroused extensive interest in research recently due to their hi-tech applications the fields of novel electronics, particularly for flexible electronic displays, smart textiles, medical sensors and actuators. In this study, we describe a elastic nanocomposite made with multiwall carbon nanotubes (MWNTs) polyurethane (PU). With aid an ionic liquid under condition uniaxial tension, MWNTs can form well-developed conducting networks PU matrix. The developed...

10.1039/c1jm10255a article EN Journal of Materials Chemistry 2011-01-01

Abstract Despite of the rapid development and demonstrations wearable energy harvesting devices, their industrial applications are limited by lack highly flexible, scalable, facile fabrication methods. Especially, few studies have combined theoretical analysis with relevant experimental verification. To this end, a flexible large‐area textile‐based hybrid nanogenerator integrated net‐shaped nanofiber reinforced piezoelectric unit triboelectric microstructured surface configuration is...

10.1002/admt.201800016 article EN Advanced Materials Technologies 2018-04-14

It is necessary to develop new technologies for energy storage and use of renewable improve efficiency.Phase change materials (PCMs) are a family that among one the most suitable storing effectively utilizing thermal energy.PCM-based latent heat (LHS) more advantageous than sensible because high density per unit volume/mass smaller temperature difference between releasing heat.However, PCMs have low conductivity degree supercooling affecting their efficiency storage.This review article first...

10.30919/esmm5f458 article EN ES Materials & Manufacturing 2021-01-01

Abstract Ionic hydrogel thermoelectric generators (ITEGs) are becoming increasingly popular in effective recovery of low‐grade waste heat, but they suffer from relatively low output power density and energy density. In this work, by utilizing the synergetic strategy thermodiffusion effect redox reaction on electrodes, an ITEG is demonstrated which demonstrates impressive conversion properties. On one hand, interpenetrating network structured ionic gel with temperature‐sensitive phase...

10.1002/aenm.202204357 article EN Advanced Energy Materials 2023-04-17

This paper presents an investigation of novel contact‐mode hybrid nanogenerators comprising cascaded piezoelectric and triboelectric units. For the first time, a theoretical analysis generator is presented to describe relationships among transfer charges, voltage, current, average output power in terms material properties, structural parameters, harvesting, operational conditions. New generators with much enhanced piezoelectricity are fabricated via simple, room‐temperature, cost‐effective...

10.1002/aenm.201601569 article EN Advanced Energy Materials 2016-11-18

Piezoelectric catalysis (piezocatalysis) is a physical/chemical process that utilizes piezoelectric potential for accelerating chemical reactions, in which ubiquitous mechanical energies nature are used various applications, e.g., treating organic water pollutants. Despite the high efficiency achieved by piezocatalytic powders, particles tend to diffuse systems and hard be separated, thus causing secondary pollution. Herein, free‐standing foam designed fabricated, composed of BaTiO 3...

10.1002/smsc.202000011 article EN Small Science 2020-10-24

Abstract Light and flexible thermoelectric generators working around room temperature within a small range are much desirable for numerous applications of wearable microelectronics, internet things, waste heat recovery. Herein, we report high performance generator made polymeric composites sink fabrics. The comprise n- p-type Bi 2 Te 3 particles poly(3,4-ethylenedioxythiophene) polystyrene sulfonate, exhibiting synergic effect that results in Seebeck coefficients higher than those the...

10.1038/s43246-022-00263-1 article EN cc-by Communications Materials 2022-07-07

This work presents the unique advantage of textiles in constructing piezocatalytic platforms. The mesoporous and intertwined textile could amplify striking force water flow, by which piezocatalysis under low-frequency flow is achieved.

10.1039/d2ta09682j article EN Journal of Materials Chemistry A 2023-01-01

The poor dispersion stability and susceptibility to oxidation significantly restrict the practical application of MoS2 as a lubricant additive. Here, nanocomposite powders with magnesium silicate hydroxide (MSH) reinforcement amorphous carbon protection were prepared via straightforward two-step procedure. Detailed studies structure, phase composition, tribological properties, lubrication mechanism composite powder have been conducted. results demonstrated that morphology was rod-shaped MSH...

10.1016/j.jmrt.2024.02.003 article EN cc-by Journal of Materials Research and Technology 2024-02-03

Abstract Owing to their preferable flexibility and facilitation integrate with various apparel products, flexible sensors high sensitivity are highly favored in the fields of environmental monitoring, health diagnosis, wearable electronics. However, great challenges still remain integrating wide sensing range one single strain sensor. Herein, a new stretchable conductive gel‐based sensor exhibiting remarkable properties regarding stretchability is developed via improving ionic conductivity...

10.1002/mame.202100486 article EN Macromolecular Materials and Engineering 2021-08-24

Abstract Sol–gel phase transition in ionic thermoelectrical (i‐TE) materials induces large rapid change viscosity and transport process is thus expected to yield a drastic variation thermoelectric properties, crucial low‐grade waste heat harvesting wearable electronic applications. In this study, four types of i‐TE are prepared examined. For the first time, rise thermopower by 6.5 times during sol–gel poloxamer/LiCl system observed, an even greater figure merit ≈23 times. The phenomenon...

10.1002/adfm.202208286 article EN Advanced Functional Materials 2022-09-12

Harvesting low-grade heat by an ionic hydrogel thermoelectric generator (ITEG) into useful electricity is promising to power flexible electronics. However, the poor environmental tolerance of limits its application. Herein, we demonstrate ITEG with high properties, as well excellent capabilities water retention, freezing resistance, and self-regeneration. The obtained can maintain original content at ambient conditions (302 K, 65% relative humidity (RH)) for 7 days keep unfreezing a low...

10.1021/acsami.2c07423 article EN ACS Applied Materials & Interfaces 2022-07-25

A one-pot approach is presented to upgrade PCL into nylon-6 monomers (EACA and CPL) over Ru catalysts, affording products in a total yield of EACA CPL up 90.2%.

10.1039/d3gc05118h article EN Green Chemistry 2024-01-01

Abstract In this work, the impact of partially depleted and fully p -GaN (PDP-GaN FDP-GaN) layers on gate characteristics Schottky-type Gate HEMTs is investigated. Four wafers are fabricated via different annealing temperatures to achieve PDP-GaN FDP-GaN layers. Devices with show nearly identical SS / V TH , while G m,max enhances increased activated Mg concentration. Meanwhile, device demonstrates higher lower specific compared others. It turns out that subthreshold turn-on attributed...

10.35848/1347-4065/ada708 article EN cc-by-nc-nd Japanese Journal of Applied Physics 2025-01-07
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