Research

  • Research
  • Research

Research

Research

Research field
  • Secondary Battery

    Dry Battery Electrode for next generation secondary battery system

    Low electrode manufacturing cost, eco-friendly process

  • Water Splitting

    Electrocatalysts for hydrogen and oxygen evolution

    Morphology control, phase engineering, DFT calculation

  • Flow electrode

    Flow electrode for fast ion adsorption to carbon particles and efficient transport of electrons from the current collector to the particles

  • CMP (Chemical Mechanical Planarization)

    CMP slurry design for next generation semiconductor process

    Colloid chemistry, nanoparticle engineering, dispersion stability

  • All Solid State Battery

    Lithium metal, Silicon for high cycle stability and energy density anode

    Cathode coating to improve the performance of all-solid-state battery

    Sulfide, halide, oxide solid electrolyte

  • Gas turbine

    Physical property and structural analysis of gas turbine materials

    Materials development for next generation of TBC

Part 1. Nanomaterials Synthesis
0-Dimensional Materials
  • Size dependent CeO2 Nanoparticles
    Applied Surface Science, 2016, 389, 311-315

    Synthesis of CeO2 particles of 10, 20, 200nm using ammonium cerium nitrate

    Investigation of the relationship between the distribution of Ce3+ ions on the surface of CeO2 particles and silicate adsorption

  • Cu1.8S Octahedral Particle
    ACS Nano, 2018, 12, 2827-2837

    A study on porous nanostructure synthesis and sodium ion insertion mechanism through sol-gel method and etching

  • Copper Sulfide Sphere
    Part. Part. Syst. Charact. 2018, 35, 1800163

    Microstructure control using hydrothermal synthesis and carbon framework and study on electrochemical behavior

A study on silicate adsorption according to each oxidation state by synthesizing CeO2 nanoparticles of various sizes

Synthesis of 0D structures through sol-gel and hydrothermal methods;

Controlling porous structure using metal oxide and carbon template, and improvement of electrochemical properties
1-Dimensional Materials
  • Silicon Nanotube
    Nano Lett. 2010, 10, 1710-1716

    1D silicon nanotube through hydrothermal synthesis and CVD method

    Synthetic and physical properties and electrochemical properties research

  • Si/Ge Double-layered Nanotube
    ACS Nano, 2012, 6 (1), 303-309

    Synthesis of Si/Ge & Ge/Si double-layered nanotubes and a study on the physical and electrochemical properties of core and shell

  • TiO2 Hollow Nanofibers
    Energy Environ. Sci., 2011, 4, 4532-4536

    TiO2 hollow nanofiber synthesis and electrochemical behavior study through electrospinning

Synthesis of 1D structure through hydrothermal method and CVD method;

Improvement of the mechanical and electrochemical properties of materials through control of the thickness and structure of the core and shell

Synthesis of 1D structures through electrospinning;

Fiber material design through structural control of core and shell and applied to secondary battery negative electrode material through surface modification
2-Dimensional Materials
  • Flash-induced GO Reduction
    J. Mater. Chem. A. 2013, 00, 1-3

    Research on graphene oxide reduction through camera flash and application of Sn-based Na+ ion battery anode material using it as a host

  • Graphene/Metal Sulfide Composite
    ACS Catalyst, 2018, 8, 4091-4102

    A study on the OER (oxygen evolution reaction) characteristics of 2D TMS (transition metal sulfide) and graphene complex synthesis and water decomposition catalyst through it

Research on technology related to graphene oxide reduction using camera flash;

A study on the electrochemical properties of lithium and sodium secondary batteries applied with nanomaterial coating through graphene oxide reduction

2D composite synthesis of transition metal sulfide and graphene;

A study on the synthesis of 2D complexes by selectively doping and coating precursors to graphene and the electrochemical characteristics analysis of water decomposition catalysts applying them
3-Dimensional Materials
  • Ni-Co-MoS2 Nanoboxes for
    Hydrogen Evolution
    Adv. Mater., 2016, 28, 9006-9011

    To improve HER properties, doping transition metal to Molybdenum disulfide structure

  • Co3O4 Microframes for Water
    Oxidation
    ChemComm., 2016, 52, 6269

    Etching the Co-Co Prussian blue analogue microcube using the template-engaged strategy method

    Improved electrochemical properties in Li ion battery and water oxidation

  • Yolk-shelled Fe3O4@C for Li
    Storage
    Adv. Energy Mater., 2016, 6, 1502318

    Fabrication of yolk-shelled nanostructures to improve Li storage properties

Synthesis of 3D nanostructures to improve Li ion battery and water oxidation properties;

Research on the improvement of electrochemical and mechanical properties through surface doping, etching, etc.
Part 2. Nanomaterials Modification
Nanomaterials Surface Modification
  • Gd0.1Ce0.9O1.95 Embedded
    Ba0.5Sr0.5Co0.8Fe0.2O3-δ Nanofiber
    J. Power Sources, 2018, 378, 404-411

    Synthesis of heterogeneous nanofiber by growing GDC, which is an ion conductor, on the BSCF backbone, which is an electron conductor, at the SOFC cathode.

  • CuO Embedded Silica
    Nanoparticles
    Microelectronic Engineering, 2017, 183-184, 58-63

    W film oxidation using Cu2+ ions in alkali area by growing CuO particles on the surface of silica particles

  • Fe Substituted Silica
    Nanoparticles
    J. Solid State Science and Technology, 2017, 6(7), 405-409

    By replacing Si4+ ions on the surface of silica particles with Fe3+ ions, negatively charged silica nanoparticles are synthesized.

After synthesizing various nanostructures such as nanofiber and nanoparticles, research on surface modification technology to improve performance;

Surface defect control and growth of ultra small nanoparticles on the surface.
Applied to SOFC, CMP process, etc., effective and improved results compared to existing ones
Part 3. Nanomaterials Dispersion
Nanomaterials Dispersion Stability

  • 수계/비수계 분산시스템 연구Research on aqueous/non-aqueous dispersion system

    Research on improving dispersibility through various dispersants

  • Particle Size Measurement
    Dynamic Light Scattering
    (DLS) Method
    Acoustic Attenuation Method
  • Zeta Potential Calculation
    Electrokinetic Sonic Amplitude (ESA)
    Electrophoresis Method
Part 4. Other research content and technology
  • Hydrophilic surface modification
    Application No. 1020120024510

    Hydrophilic modification of current collector surface through UV/O and O2 plasma process

  • Electrode modification through surface treatment
    PCT, P20120511OP

    Improving battery capacity and lifespan characteristics through nitriding treatment of Si-Ti-Ni precursors

  • Thin film deposition technology

    Research on thin film deposition technology through sputtering system and evaporator system

    Nano-scale layer coating through ALD equipment

  • Nano
    Materiais for
    Energy
    Device
    Lab

  • Cold isotropic compression technology
    출원번호: 1020180020378

    After formation of pure YSZ and GDC electrolyte coating on NiO/YSZ anode support, simultaneous sintering of double electrolyte at low temperature and isotropic pressure

  • Slurry Dispersion Technology
    Registration Number : 1020150050949
    Registration Number : 1020150094837

    Improves slurry dispersibility by modifying the surface of water-based dispersed inorganic particles

    Research on additives that can improve dispersibility (dispersants)

  • Li metal protection technology

    • Development of crystalline
      solid electrolyte coating method
      with high Li ion conductivity

    • Development of lithium surface modification
      technology through transfer process

    • Lithium ion kinetics control
      using lithium metal alloys

    Solves the problem of Li dendrite formation and side reactions that occur when Li metal is used as an anode