Li Guorong’s main research

Content: Engaged in research on organic ferroelectric polymers, functional ceramics and multilayer film integration technologies and microstructure devices.

Functional ceramic materials mainly include:

Power piezoelectric ceramics, electro-strain ceramics, lead-free piezoelectric ceramics, high-temperature ferroelectric ceramics and ferroelectric-semiconductor composite ceramics, with semiconductor properties Effect ZnO ceramic varistor

Functional ceramic devices mainly include:

piezoelectric, thermal pyroelectric sensors, piezoelectric ultrasonic transducers, multi-layer film structure piezoelectric transformers and Multi-layer ceramic micro-actuator and other *** economic network

Research projects once undertaken

Responsible for two projects of Shanghai's "Venue Star Project":

Multi-layer Membrane structure piezoelectric polymer B-type ultrasonic transducer***Ji.com

High-precision multi-layer chip piezoelectric ceramic micro-actuator***Ji

Responsible and participating Three key basic research projects in Shanghai:

Micro-intelligent sensing-driving structure

Preparation of piezoelectric ceramic thick film materials and multi-layer piezoelectric ceramic sensitive components

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Research on the growth, performance and application of relaxor ferroelectric single crystals

International cooperation project:

Research on the application of multilayer chip piezoelectric ceramics in computer hard drives

One project of the “Ninth Five-Year Plan” and “863”:

High-precision piezoelectric micro-displacement device

Two projects of the “10th Five-Year Plan” and “863”:

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Multilayer chip piezoelectric ceramic transformer materials and key technologies

Lead-free piezoelectric ceramics

Currently undertaken research projects

“973 "Two sub-projects:

Basic issues of integrated information functional ceramic systems

Research on structural variation and failure of functional ceramics under the influence of external fields

Shanghai Science and Technology Commission One project:

Research on improving the performance of ZnO ceramic varistors using inorganic nano/organic composites

Three enterprise-funded cooperative research and development projects:

High performance Research on improving the performance of piezoelectric ceramics

Lead-free piezoelectric ceramic frequency devices

Research on how nanomaterials can improve the performance of ZnO ceramic varistors

Published more than 40 papers and won the It has 8 patents including a Singapore patent for "Lateral Displacement Piezoelectric Ceramic Driver" and a Chinese invention patent for "Self-coupling Piezoelectric Ceramic Step-Down Transformer".

Current research and future development directions:

Preparation and characterization of ultra-fine functional ceramic powder

Firing and interface of ceramic thick films and multi-layer films Performance

Organic-inorganic composite functional materials, inorganic heterogeneous sintered composite materials (ferroelectric/ferromagnetic composite materials)

Functional ceramic materials and device physics, semiconductor effect Research on materials and properties of ZnO ceramic varistor