Research Contents

Research Contents

PROJECTS > Research Contents

1-1 Ultra low-power/small nano device and reconfigurable 3D integration system

TOPIC 1 : Development of Nano-electrode Materials to Improve Energy Efficiency
  • Yuanzhe Piao, SNU (Nanomaterial Engineering)
  • Large scale synthesis of nano-electrode materials for lithium ion batteries & supercapacitors
  • Development of nanomaterials for efficient energy storage
  • Development of heavy metal sensors and analyzer using nano-electrode materials
  • Target: Initial capacity of 650 mAhr/g, Current density of 100 mA/g, Degradation rate during the 50 cycle charge-discharge: > 66%
Research Contents
  • Stage 1
    - Development of high efficiency and performance nano-electrode materials & Synthesis of nano-electrode materials
  • Stage 2
    - Development of high efficiency energy storage device using a noble nano-materials
    - Increment of performance of nano electrode for energy storage capacity
    - Energy storage device characterization: various battery devices, supercapacitors
    - Development of noble electrode for trace analysis of heavy metals using nano-electrode materials
  • Stage 3
    - Sustainable next generation energy storage and conversion device
    - Enhanced durability and stability techniques for high efficiency
    - Improve reproducibility and accuracy of heavy metal sensor using nano-electrode material
    - Development of fundamental technique & commercialization
Expected Contribution
  • Our innovative approach in the preparation and application of nanomaterials will lead to novel superior electrode materials for lithium ion battery and nanomaterials with significantly improved performances for supercapacitor, and thus the achievement from this research will contribute to develop original nanotechnology for electrode materials.
  • Our creative researches will lead to world-class academic achievements and run into challenges developing new platforms for other research works.

Topic 2 : Ultralow-power nano device and reconfigurable 3-D integrated system
  • Byung-Gook Park, SNU (Electrical and Computer Engineering)
  • Core technologies to construct neuromorphic electronic systems for minimizing the energy loss of an electronic system at system level as well as device level
  • Development of a unit synaptic device, re-configurable synapse array and neuron
  • Development of interconnect technology essential for 2- and 3- D array formation
  • Development of electrical models and scaling-down technology for highly-reliable and ultra-low-power characteristics
Research Contents
  • The fabrication and electrical modeling of synaptic devices and array
  • The design/implementation of neuron circuits and system configuration
  • 3-D interconnect technology
Expected Contribution
  • To strengthen the national competitiveness in 3-D reconfigurable IT system area by securing the related core intellectual properties
  • To secure path-breaking technologies and outstanding workforce on ultra-low-power system, device and, and manufacturing process and related material sciences
  • To create an innovative new technology by technology convergence overcoming current technology limitations
  • To secure corporate competitiveness and create new jobs

Topic 3 : Development of a ultra-small and high sensitive optical sensor system
  • Seongwook Choi, SNU (Electrical and Computer Engineering)
  • Development of a real time water sensor system by utilizing an array of light emitting diodes
  • Construction of a record-high sensitivity with a ultra-small size sensor (handheld, mobile type, on-chip)
Research Contents
  • Ultra-sensitive water sensor with optical feedback method using the LED-PD array
  • Detection of multi-pollutants in the water
  • Design of a smart water sensor chip for the IoT applications
  • Development of engineering and customer samples for business
Expected Contribution
  • Contribution of bio experiments which require a precise optical sensing
  • Detection of water pollution
  • Development of smart water grid system by merging with IOT technologies

Topic 4 : Desalination of ultrahigh concentrated brine by nano-electrokinetics
  • Sung Jae Kim, SNU (Electrical and Computer Engineering)
  • The objective of this research is to desalt a ultrahigh concentrated brine using a nanoelectrokinetic phenomena and to develop the technology for efficient removal of oil-contaminant from the source waste.
Research Contents
  • Development of low cost nanostructure fabrication method and design and analysis of unit desalting system
  • Optimization of performance and throughout of the desalter
Expected Contribution
  • This novel nanotechnology can be used for resolving the environmental impact due to the ultrahigh concentrated brine coming with a shale gas extraction so that it can contribute to create new intellectual properties and niche markets.
  • This ion control mechanism can also be applied to high energy efficient membrane system for a novel water purification system or ion/protein preconcentration system.