Lihua Zhao

ORCID: 0000-0003-2868-2181
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About
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Research Areas
  • Vacuum and Plasma Arcs
  • Thermal properties of materials
  • Electrical Fault Detection and Protection
  • Dielectric materials and actuators
  • Additive Manufacturing and 3D Printing Technologies
  • High voltage insulation and dielectric phenomena
  • Advanced Sensor and Energy Harvesting Materials
  • Thermal Radiation and Cooling Technologies
  • Conducting polymers and applications
  • Organic Light-Emitting Diodes Research
  • Physics of Superconductivity and Magnetism
  • Graphene research and applications
  • Organic Electronics and Photovoltaics
  • Force Microscopy Techniques and Applications
  • High-Voltage Power Transmission Systems
  • Magnetic and transport properties of perovskites and related materials
  • Power Systems and Renewable Energy
  • Electrospun Nanofibers in Biomedical Applications
  • Advanced Sensor Technologies Research
  • Microgrid Control and Optimization
  • Advanced materials and composites
  • HVDC Systems and Fault Protection
  • Combustion and Detonation Processes
  • Magnetic properties of thin films
  • Thermal Analysis in Power Transmission

Sichuan University
2012-2024

Nanyang Technological University
2020-2024

Hewlett-Packard (United States)
2009-2024

South China University of Technology
2024

Chengdu University
2021

Chengdu University of Information Technology
2018-2019

Ministry of Education of the People's Republic of China
2015-2018

Northwest University
2018

Northeast Electric Power University
2012

Entry Exit Inspection and Quarantine Bureau
2011

Mechanically strong and thermostable composites are prepared for thermal management based on soft liquid metal rigid aramid nanofibers.

10.1039/d0tc05493c article EN Journal of Materials Chemistry C 2021-01-01

Polymer composites with high thermal conductivity have promising applications for the management of modern electronic devices. Here, a novel strategy is proposed to enhance epoxy by employing hybrid graphene and boron nitride nanoparticle (GBN). In GBN, nanosheets (BNNSs) tightly adsorb onto surface via π-π interactions, act as bridges conveying phonons well barriers electrons transporting between adjacent particles. The dielectric properties containing GBN are then systematically...

10.1016/j.matdes.2020.108663 article EN cc-by-nc-nd Materials & Design 2020-03-20

Thermally conductive materials (TCMs) are highly desirable for thermal management applications to tackle the "overheating" concerns in electronics industry. Despite recent progress, development of high performance TCMs integrated with an in-plane conductivity (TC) higher than 50.0 W (m K)-1 and a through-plane TC greater 10.0 is still challenging. Herein, self-standing liquid metal@boron nitride (LM@BN) bulks ultrahigh were reported first time. In LM@BN bulks, LM could serve as bonding...

10.1039/d3mh01359f article EN Materials Horizons 2023-01-01

Herein, we report a new strategy to effectively enhance the thermal conductivity of epoxy composites by constructing three-dimensional thermally conductive network with 2D boron nitride nanosheets (BNNSs) and 0D microspheres (BNMSs). In composites, BNMSs serve as principal building blocks for because their large sizes, while BNNSs are embedded within interspaces improve pathway density. Experimental finite element analysis reveals that combined (BNNSs/BNMSs) outperform individual in terms...

10.1021/acs.jpcc.0c01377 article EN The Journal of Physical Chemistry C 2020-05-14

Aramid paper is ubiquitous in advanced electronics and high-voltage equipment by virtue of their outstanding dielectric properties, mechanical reliability, thermal stability. However, limited conductivity still fails to satisfy the stringent demands for heat dissipation applications with high power energy density. Herein, we report a highly thermally conductive composite prepared synergistically combining one-dimensional (1D) aramid nanofibers (ANFs), 1D edge-hydroxylated boron nitride...

10.1016/j.matdes.2021.110124 article EN cc-by-nc-nd Materials & Design 2021-09-23

Epoxy dielectrics with high through-plane thermal conductivity (λ) hold great promise for applications in the management of advanced power electronics. Intensive attempts have been made to improve λ epoxy by filling boron nitride nanosheets (BNNSs). However, it remains a challenge achieve satisfactory increased small amount BNNS loading. Herein, we reported new strategy prepare internal three-dimensional phonon transport channels vacuum freeze-drying and impregnation. Aramid nanofibers...

10.1063/5.0211580 article EN Journal of Applied Physics 2024-07-22

High-performance dielectric film is one of the most promising materials for comprehensive applications ranging from high-voltage electrical equipment to high-power electronic devices. We here report fabrication biomimetic nacreous multifunctional composite films by self-assembling nanoscale building blocks one-dimensional (1D) aramid nanofibers (ANFs) and two-dimensional (2D) edge-hydroxylated boron nitride nanosheets (BNNS-OH). Synchronously, poly(vinyl alcohol) was introduced as soft glue...

10.1021/acs.iecr.2c01281 article EN Industrial & Engineering Chemistry Research 2022-06-15

Abstract Wearable sensors have garnered considerable attention due to their flexibility and lightweight characteristics in the realm of healthcare applications. However, developing robust wearable with facile fabrication good conformity remains a challenge. In this study, conductive graphene nanoplate‐carbon nanotube (GC) ink is synthesized for multi jet fusion (MJF) printing. The layer‐by‐layer process MJF not only improves mechanical flame‐retardant properties printed GC sensor but also...

10.1002/advs.202304132 article EN cc-by Advanced Science 2023-11-08

Abstract Fabric‐based materials have demonstrated promise for high‐performance wearable applications but are currently restricted by their deficient mechanical properties. Here, this work leverages the design freedom offered additive manufacturing and a novel interlocking pattern to first time fabricate dual‐faced chain mail structure consisting of 3D re‐entrant unit cells. The flexible structured fabric demonstrates high specific energy absorption strength up 1530 J kg −1 5900 Nm ,...

10.1002/advs.202301567 article EN cc-by Advanced Science 2023-05-10

Performance evaluations of a MW-class dynamic voltage restorer (DVR) system are presented for mitigation quality disturbances. A presag compensation strategy is introduced to lock the instantaneous magnitudes and phase angles real-time line voltages, thus compensate improper components exactly after symmetrical or asymmetrical 0.3-H/1.76-kA superconducting magnetic energy storage (SMES) magnet used cooperate with conventional battery (BES) device developing high-performance hybrid (HES)...

10.1109/tia.2018.2823259 article EN IEEE Transactions on Industry Applications 2018-04-04

Two-dimensional boron nitride nanosheets (BNNSs) hold great promise as thermal management materials because of their ultrahigh conductivity and wide band gap. However, the scalable exfoliation hexagonal (h-BN) into few-layered BNNSs remains a challenge. Herein, we proposed novel tannic acid (TA)-assisted liquid-phase approach to realize efficient functionalization h-BN in an aqueous medium. This method gave rise high yield 42.2% resultant TA-functionalized (BNNSs@TA) showed good dispersion...

10.1021/acs.iecr.0c02766 article EN Industrial & Engineering Chemistry Research 2020-08-18

Dielectric materials with superb thermal and electrical properties are highly desired for high-voltage equipment advanced electronics. Here, we propose a novel strategy to improve the performance of epoxy composites by employing boron nitride nanosheets (BNNSs) γ-glycidyl ether oxypropyl sesimoxane (G-POSS) as functional fillers. The resultant ternary exhibit high resistivity (1.63 × 1013 Ω·cm) low dielectric loss (<0.01) due ultra-low constants cage-structure G-POSS. In addition,...

10.3390/nano14020205 article EN cc-by Nanomaterials 2024-01-17

The 3D printing technology is expected to revolutionize part manufacturing by enabling rapid and inexpensive production at a small scale. HP's Multi Jet Fusion developed provide new levels of quality in fast way compared existing technologies. printed determined the interplay device materials used for printing. Thus, it essential have proper cyber-physical system model process-level simulation technology. In this paper, we propose an approach modeling Our can be carry out system, guidance...

10.1109/cpps.2016.7483916 article EN 2016-04-01

Thermally conductive polymer composites (TCPCs) are in urgent demand for thermal management modern power electronic systems. However, poor mechanical properties and low heat resistance (<200 °C) restrict their practical applications. Herein, a mechanically strong highly thermostable fluorinated graphene/aramid nanofiber (f-G/ANF) film was developed by utilizing one-dimensional (1D) ANFs as reinforced blocks two-dimensional (2D) f-G thermally filler management. The f-G/ANF exhibited superior...

10.1021/acs.iecr.1c01260 article EN Industrial & Engineering Chemistry Research 2021-06-03

The developments in the high-power densities and high integration of electronic devices have put forward higher requirements for advanced thermal management materials (TMMs) to meet rising demand heat dissipation. However, it has remained a major challenge achieve significant enhancement conductivity (TC) TMMs without compromising their mechanical dielectric properties. Here, we report flexible, thermally conductive composite film that contain aramid nanofiber (ANF) silver nanoparticles...

10.1080/09276440.2021.1950378 article EN Composite Interfaces 2021-07-10

Multi Jet Fusion (MJF) is a fast-growing powder bed fusion(PBF) additive manufacturing technique which features low production costs and high speeds. However, MJF currently suffers from limited choice of commercially available composite powders. Here, new type powder, aramid fibre (AF)–filled polyamide 12 (PA12), was developed for to enhance the mechanical properties printed parts. The process–structure–property relationship established by analysing arrangement in systematically...

10.1080/17452759.2022.2036931 article EN cc-by-nc-nd Virtual and Physical Prototyping 2022-02-16

Mechanical anisotropy greatly influences the applications of materials printed by additive manufacturing techniques such as Multi Jet Fusion (MJF) and selective laser sintering. However, mechanical MJF-printed fibre–reinforced polymer composites has not been well understood. In this work, effect fibre length on performance glass polyamide 12 (GF/PA12) is systematically investigated. Both experimental simulation results confirm that longer fibres are in favour alignment powder spreading...

10.1080/17452759.2022.2059638 article EN cc-by-nc-nd Virtual and Physical Prototyping 2022-04-07

3D voxel printing enables the fabrication of parts with site-specific materials and properties at voxel-scale resolution, while current research mainly focuses on variations in mechanical colors. In this work, design voxelated conductive elastomers using Multi Jet Fusion actualized by a newly developed multifunctional agent (MA) are investigated. The MA, consisting carbon nanotubes poly(3,4-ethylenedioxythiophene) polystyrene sulfonate, serves as an infrared-absorbing colorant,...

10.1002/adma.202205909 article EN Advanced Materials 2022-09-20
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