• Associate Professor
Choongho Yu

Educational Background

  • Ph.D. Mechanical Engineering, University of Texas at Austin, 2004
  • M.S. Mechanical Engineering, Korea University, Korea, 1999
  • B.S. Mechanical Engineering, Korea University, Korea, 1997

Research Interests

    • Energy harvesting and storage for wearable electronics/sensors/actuators and IoT
    • Energy storage
      • Supercapacitor:
        • Thermally self-chargeable flexible energy storage
      • Li-S batteries:
        • High capacity and low-cost carbon nanotube sponge based batteries
      • Li-Air batteries:
      • Porous multi-dimensional carbon electrodes with solid electrolytes for stable and safe operation
    • Energy conversion
      • Thermoelectric energy harvesting and cooling:
        • Material synthesis (organic and inorganic materials)
        • Thermoelectric device fabrication
      • Fuel cells:
        • Microbial fuel cell and wastewater treatment
        • Proton exchange membrane fuel cells with novel nanostructured electrodes
      • Piezoelectric energy conversion:
        • Reduction of noise caused by mechanical vibration
        • Energy harvesting from vibration
    • Novel and facile energy-saving manufacturing of composite materials
    • Water desalination membranes for reverse osmosis and pressure-retarded osmosis
    • Thermal and electrical transport in nanostructured materials (1D, 2D materials)
    • Thermal interface materials and thermal management

Selected Publications

  • G. Yang, J. Tan, H. Jin, Y. H. Kim, X. Yang, D. H. Son, S. Ahn, H. Zhou, C. Yu, “Creating effective nanoreactors on carbon nanotubes with mechanochemical treatments for high‐areal‐capacity sulfur cathodes and lithium anodes,” Adv. Funct.Mater., https://doi.org/10.1002/adfm.201800595 (2018).
  • S. L. Kim, J.-H. Hsu, C. Yu, “Intercalated graphene oxide for flexible and practically large thermoelectric voltage generation and simultaneous energy storage,” Nano Energy, 48, 582-589 (2018).
  • Y. Liu, J. Tan, W. Choi, J.-H. Hsu, D. S. Han, A. Han, A. Abdel-Wahab, C. Yu, “Influence of nanoparticle inclusions on the performance of reverse osmosis membranes,” Environ. Sci.: Water Res. Technol., 4, 411–420 (2018).
  • W. Choi, K. Choi, C. Yu, “Ultrafast nanoscale polymer coating on porous 3D structures using microwave irradiation,” Adv. Funct. Mater., 28, 1704877 (2018).
  • H. Wang, J.-H. Hsu, G. Yang, C. Yu, “Novel organic Schottky barrier diode created in a single planar polymer film,” Adv. Mater., 28, 9545–9549 (2016).
  • S. L. Kim, H. T. Lin, C. Yu, “Thermally chargeable solid-state supercapacitor,” Adv. Energy Mater., 6, 1600546 (2016).
  • G. Yang, C. Erbay, S.-I. Yi, P. de Figueiredo, R. Sadr, A. Han, C. Yu, “Bifunctional nano-sponges serving as non-precious metal catalysts and self-standing cathodes for high performance fuel cell applications,” Nano Energy, 22, 609-614 (2016).
  • H. Wang, J.-H. Hsu, S.-I. Yi, S. L. Kim, K. Choi, G. Yang, C. Yu, “Thermally driven large n-type voltage responses from hybrids of carbon nanotubes and poly(3,4-ethylenedioxythiophene) with tetrakis(dimethylamino)ethylene,” Adv. Mater., 27, 6855-6861 (2015).
  • G. Yang, W. Choi, X. Pu, C. Yu, “Scalable synthesis of bi-functional high-performance carbon nanotube sponge catalysts and electrodes with optimum C-N-Fe coordination for oxygen reduction reaction,” Energy Environ. Sci., 8, 1799-1807 (2015).