Qi Wang

ORCID: 0000-0003-3571-7186
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About
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Research Areas
  • Advancements in Battery Materials
  • Supercapacitor Materials and Fabrication
  • Advanced Sensor and Energy Harvesting Materials
  • Advanced Battery Materials and Technologies
  • Plasmonic and Surface Plasmon Research
  • Analytical Chemistry and Sensors
  • Gas Sensing Nanomaterials and Sensors
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Advanced biosensing and bioanalysis techniques
  • Advanced Fiber Optic Sensors
  • Conducting polymers and applications
  • Advanced Battery Technologies Research
  • Muscle activation and electromyography studies
  • Extraction and Separation Processes
  • Photonic and Optical Devices
  • Magneto-Optical Properties and Applications
  • Advanced battery technologies research
  • Graphene research and applications
  • Biosensors and Analytical Detection
  • Catalytic Processes in Materials Science
  • Environmental and Social Impact Assessments
  • Ultrasound Imaging and Elastography
  • Bayesian Methods and Mixture Models
  • Dielectric materials and actuators
  • Low-power high-performance VLSI design

Northeastern University
2015-2025

State Key Laboratory of Synthetical Automation for Process Industries
2023

Lanzhou University
2022

Beijing Jiaotong University
2021

Shanghai First People's Hospital
2020

Chongqing Medical University
2013

A 512 Mb diode-switch PRAM has been developed in a 90 nm CMOS technology. The vertical using the SEG technology achieved minimum cell size and disturbance-free core operation. configuration, read/write circuit techniques, charge-pump system for are proposed. read throughput of 266 MB/s through proposed schemes. write was 0.54 internal x2 mode, increased to 4.64 with x16 accelerated mode at 1.8 V supply.

10.1109/jssc.2007.908001 article EN IEEE Journal of Solid-State Circuits 2008-01-01

Abstract A wearable hyperthermia device that allows for tumor treatment without interfering with daily activities is of clinical and social significance. However, the wide adaptation local from such devices in practice has been hindered mainly due to several critical challenges existing devices, as contradiction high electrical conductivity optical transparency while a thin, deformable format. Here soft, skin‐mountable, patch (HTP) reported unusual characteristics based on unidirectional...

10.1002/adfm.202111228 article EN Advanced Functional Materials 2022-01-17

Due to the porous structure and high electrical conductivity of carbon materials, lithium-ion batteries (LIBs) frequently employ cladding modify silicon anodes. However, cost convoluted manufacturing process have prevented widespread use carbon-based materials. abundance seaweed (Gelidium amansii: GAm), there is a developing interest in seaweed's additional uses. We present, for first time batteries, modification anodes by algal biomass carbon, which was thoroughly analyzed morphologically,...

10.1021/acsami.3c15459 article EN ACS Applied Materials & Interfaces 2024-02-22

Temperature sensors have been widely applied in daily life and production, but little attention has paid to the research on temperature based surface plasmon resonance (SPR) sensors. Therefore, an SPR sensor with a triple structure of titanium dioxide (TiO2) film, gold (Au) TiO2 nanorods is proposed this article. By optimizing thickness film Au it found that sensitivity can achieve 6038.53 nm/RIU detection −2.40 nm/°C. According results, optimized 77.81% higher than pure which attributed...

10.3390/ma15217766 article EN Materials 2022-11-03

Measuring parameters like heart temperature, rate, and cardiac magnetic field aids in analyzing health disease. A multi-parameter sensor tailored to the can significantly enhance convenience medical diagnosis treatment. This work introduces a based on Surface Acoustic Wave Sensors (SAWSs) magnetostrictive materials, designed selectively measure various parameters. SAWSs are characterized by their compact dimensions, which facilitate integration into devices. The wireless passive...

10.3390/app15073583 article EN cc-by Applied Sciences 2025-03-25

A self-powered portable triboelectric nanogenerator (TENG) is used to collect biomechanical energy and monitor the human motion, which new development trend in devices. We have developed a nanogenerator, motion collection monitoring mobile gait stability capability. The materials involved are common PTFE aluminum foil, acting as frictional layer, can output electrical signals based on effect. Moreover, 3D printing technology build optimized structure of has significantly improved its...

10.3390/en14164996 article EN cc-by Energies 2021-08-14

Alcohol detection plays a key role in food processing and monitoring. Therefore, we present fast, high reproducibility label-free characteristics alcohol photochemical sensor based on the surface plasmon resonance (SPR) effect. By growing ZnO nanoflowers Au film, SPR signal red-shifted visible region as concentration increased. More interestingly, sensitivity improved to 127 nm/%, which is attributed nanoflowers/Au structure. The goodness of linear fit was more than 0.99 at range from 0 vol%...

10.3390/ma15010189 article EN Materials 2021-12-27

Si is a promising material for applications as high-capacity anode of lithium-ion batteries. However, volume expansion, poor electrical conductivity, and short cycle life during the charging/discharging process limit commercial use. In this paper, new ternary composites sea urchin-like Si@MnO2@reduced graphene oxide (rGO) prepared by simple, low-cost chemical method are presented. These can effectively reduce change Si, extend life, increase battery capacity due to dual protection MnO2 rGO....

10.3390/nano12020285 article EN cc-by Nanomaterials 2022-01-17

In this paper, three different structures of surface plasmon resonance (SPR) sensors based on the Kretschmann configuration: Au/SiO2 thin film structure, nanospheres and nanorods are designed by adding forms SiO2 materials behind gold conventional Au-based SPR sensors. The effects shapes sensor investigated through modeling simulation with refractive index media to be measured ranging from 1.330 1.365. results show that sensitivity could as high 2875.4 nm/RIU, which is 25.96% higher than a...

10.3390/s23063163 article EN cc-by Sensors 2023-03-16

Due to its many benefits, including high specific capacity, low voltage plateau, and plentiful supplies, silicon-based anode materials are a strong contender replace graphite anodes. However, silicon has drawbacks such as poor electrical conductivity, abrupt volume changes during the discharge process, continuous growth of solid electrolyte interfacial (SEI) film cycling, which would cause electrode capacity degrade quickly. Coating silicon's exterior with carbon or metal oxide is popular...

10.1021/acsami.4c06205 article EN ACS Applied Materials & Interfaces 2024-07-11

In recent years, with the rapid development of flexible electronic devices, researchers have a great interest in research skin (e-skin). Traditional e-skin, which is made rigid integrated circuit chips, not only limits overall flexibility, but also consumes lot power and poses certain security risks to human body. this paper, wireless passive e-skin designed based on surface acoustic wave sensor (SAWS) lithium niobate piezoelectric film. The has advantages small size, high precision, low...

10.3390/nano13030465 article EN cc-by Nanomaterials 2023-01-23

Abstract Epidermal bioelectronics that can monitor human health status non‐invasively and in real time are core to wearable healthcare equipment. Achieving mechanically tolerant surface bioreactions convert biochemical information detectable signals is crucial for obtaining high sensing fidelity. In this work, by combining simulations experiments, a typical epidermal biosensor system investigated based on redox enzyme cascade reaction (RECR) comprising glucose oxidase/lactate oxidase enzymes...

10.1002/adma.202000991 article EN Advanced Materials 2020-04-22

10.1016/j.solidstatesciences.2014.03.001 article EN Solid State Sciences 2014-03-18

For simple and fast synthesis of a high-performance electrode material for an aqueous magnesium ion battery (AMIB), UV photolysis is applied to prepare the binder-free δ-MnO2/multiwalled carbon nanotube (δ-MnO2/MWCNTs) composite on cloth (CC). The MnO2 nanosheets are directly grown surface CC covered by MWCNTs form three-dimensional hierarchy construction, which enhances electrochemical property. δ-MnO2/MWCNT delivers discharge capacity 313.2 mA h g–1 at 50 its capacitance retention 1000...

10.1021/acsaem.1c00971 article EN ACS Applied Energy Materials 2021-07-02

Sensors based on Fiber Bragg Grating (FBG) have remarkable benefits like small size, fast response, wide sensing distribution, and immunity to electromagnetic interference, allowing for their widespread application in numerous domains of physical parameter measurement industrial engineering. In this work, a temperature-independent sensor the magnetic field FBG magnetostrictive material Terfenol-D is suggested. By exploiting distributed characteristic FBG, structure that remains unaffected by...

10.3390/nano13142109 article EN cc-by Nanomaterials 2023-07-19
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