[2018]

(12) Sangmin Lee, Electric potential-based sustainable energy harvesting technology and its applications, 3rd International Workshop on Active Materials and Soft Mechatronics, Daejeon, Korea, Oct. 23-26, 2018

(11) Sangmin Lee, Sustainable energy harvester via electric potential, Summer Workshop of The Korean Society for Composite Materials , Jeju, Korea, Aug. 23-25, 2018

(10) T. Kim, H. Yong, and Sangmin Lee, Energy-Loss Return Gate, 4th International Conference on Nanogenerators and Piezotronics, Seoul, Korea, May 8-11, 2018 (Best Poster Award)

(9) J. Chung, S. Lee,  and Sangmin Lee, Sustainable Cylindrical Water TENG based on PTFE-AAO Nanostructured Surface, 4th International Conference on Nanogenerators and Piezotronics, Seoul, Korea, May 8-11, 2018

(8) D. Heo, and Sangmin Lee, Hemisphere shell-shaped triboelectric nanogenerator with oscillating motion like a roly poly, 4th International Conference on Nanogenerators and Piezotronics, Seoul, Korea, May 8-11, 2018 

(7) J. Chung, D. Kim,  and Sangmin Lee, Metal-metal contact triboelectric nanogenerator for current amplification, 4th International Conference on Nanogenerators and Piezotronics, Seoul, Korea, May 8-11, 2018 (Best Poster Award)

(6) B. Kim, J. Chung, and Sangmin Lee, Design of roll-type sheet driven triboelectric nanogenerator for portable electronics, 4th International Conference on Nanogenerators and Piezotronics, Seoul, Korea, May 8-11, 2018 (Best Poster Award)

(5Sangmin Lee, Toward a sustainable energy harvester via electrostatic potential, 4th International Conference on Nanogenerators and Piezotronics, Seoul, Korea, May 8-11, 2018 (Invited Speaker)

(4) J. Chung, H. Moon, and Sangmin Lee, Hand-Driven Capacitor-Integrated Triboelectric Nanogenerator Based on Metal-to-Metal contact for Current Amplification, 2018 Materials Research Society Spring Meetings, Phoenix, USA, Apr. 2-6, 2018


(3) B. Kim, H. Yong, D. Heo, and Sangmin Lee, Roll-type sheet driven triboelectric nanogenerator, 2018 Materials Research Society Spring Meetings, Phoenix, USA, Apr. 2-6, 2018


(2) H. Yong, B. Kim, D. Heo, and Sangmin Lee, Functional Wind-Rolling Triboelectric Nanogenerator, 2018 Materials Research Society Spring Meetings, Phoenix, USA, Apr. 2-6, 2018


(1) D. Heo, T. Kim, J. Chung, B. Kim, H. Yong, and Sangmin Lee, Hemisphere shell-shaped triboelectric nanogenerator oscillating like a roly poly (Roly Poly TENG), 2018 Materials Research Society Spring Meetings, Phoenix, USA, Apr. 2-6, 2018
 

[2017]

(21) Sangmin Lee, Sustainable triboelectric nanogenerator for an energy harvester and self-powered sensor, Materials Research Society of Korea  2017, Gyeongju , Korea, Nov. 15-17, 2017 (Invited Speaker)

(20) Sangmin Lee, Low abrasive triboelectric nanogenerator for sustainable use, Nanoenergy and Nanosystems 2017, Beijing, China, Oct. 21-23, 2017 (Invited Speaker)

(19) J. Chung, and Sangmin Lee, Sheet dielectric composite based triboelectric nanogenerator, Nanoenergy and Nanosystems 2017, Beijing, China, Oct. 21-23, 2017

(18) T. Kim, and Sangmin Lee, Sustainable Triboelectric Nanogenerator for Converting Rotating Energy via Water Electrification, Nanoenergy and Nanosystems 2017, Beijing, China, Oct. 21-23, 2017

(17) H. Moon, and Sangmin Lee, Pen-type portable triboelectric nanogenerator Using spiral spring, Nanoenergy and Nanosystems 2017, Beijing, China, Oct. 21-23, 2017

(16) B. Kim, S. Lee, and Sangmin Lee, Cylindrical-type water triboelectric nanogenerator using hydrophobic/-philic patterned anodized aluminium, Nanoenergy and Nanosystems 2017, Beijing, China, Oct. 21-23, 2017

(15) H. Yong, and Sangmin Lee, Functional Wind-Rolling Triboelectric Nanogenerator, Nanoenergy and Nanosystems 2017, Beijing, China, Oct. 21-23, 2017

 

(14) J. Chung, and Sangmin Lee, Elastic bellows triboelectric nanogenerator with self-packaged design, Asia International Symposium on Mechatronics, Pohang, Korea, Sep. 15, 2017 (Best Paper Award)

(13) T. Kim, and Sangmin Lee, Sustainable Triboelectric Nanogenerator via Marriage of Water Electrification and Rotating Energy, Asia International Symposium on Mechatronics, Pohang, Korea, Sep. 15, 2017

(12) B. Kim, S. Lee, J. Chung, and Sangmin Lee, Hydrophobic/-philic patterned cylindrical triboelectric nanogenerator using anodized aluminum, Asia International Symposium on Mechatronics, Pohang, Korea, Sep. 15, 2017

(11) H. Moon, and Sangmin Lee, Pen-type portable self-retracting triboelectric nanogenerator, Asia International Symposium on Mechatronics, Pohang, Korea, Sep. 15, 2017

(10) H. Yong, and Sangmin Lee, Sustainable vortex whistle triboelectric nanogenerator using lightweight dielectric, Asia International Symposium on Mechatronics, Pohang, Korea, Sep. 15, 2017

 

(9) Sangmin Lee, Development of triboelectric nanogenerator as a sustainable energy harvester, European Advanced Materials Congress 2017, Stockholm, Sweden, Aug. 22-24, 2017 (Invited Speaker)

(8) J. Chung, and Sangmin Lee, Harvesting high-speed rotational energy through portable triboelectric nanogenerator, European Advanced Materials Congress 2017, Stockholm, Sweden, Aug. 22-24, 2017

(7) T. Kim, H. Yong, and Sangmin Lee, Energy Amplifying Gate via Marriage of Graphene and Conducting Polymer for Enhancing Triboelectric Efficiency, European Advanced Materials Congress 2017, Stockholm, Sweden, Aug. 22-24, 2017

(6) B. Kim, J. Chung, and Sangmin Lee, Roll-type sheet driven triboelectric nanogenerator, European Advanced Materials Congress 2017, Stockholm, Sweden, Aug. 22-24, 2017

(5) H. Yong, and Sangmin Lee, Omnidirectional Wind-Rolling Triboelectric Nanogenerator, European Advanced Materials Congress 2017, Stockholm, Sweden, Aug. 22-24, 2017

 

(4) J. Chung, S. Lee, and Sangmin Lee, PTFE Nanocoated Surface for Sustainable Cylinderical Water Triboelectric Nanogenerator, 2017 European Materials Research Society Spring Meetings, Strasbourg, France, May. 22-26, 2017

(3) J. Chung, H. Moon, and Sangmin Lee, Stack/flutter Motion Driven Self-retraction Triboelectric Nanogenerator based on Nanostructured PTFE sheet, 2017 European Materials Research Society Spring Meetings, Strasbourg, France, May. 22-26, 2017

 

(2) J. Chung, and Sangmin Lee, Harvesting simultaneous sliding and vertical contact-separation motion through portable triboelectric nanogenerator, 2017 Materials Research Society Spring Meetings, Phoenix, USA, Apr. 17-21, 2017

(1) T. Kim, and Sangmin Lee, Sustainable Triboelectric Nanogenerator with Pulsed Output: Converting Rotating Energy via Water Electrification, 2017 Materials Research Society Spring Meetings, Phoenix, USA, Apr. 17-21, 2017 

[2016]

(9) J. Chung, S. Lee, and Sangmin Lee, Sustainable Cylindrical Water Triboelectric Nanogenerator Based on PTFE Nanolayered Suface,A Meeting of the Materials Research Society 2016, Boston, Massachusetts, Nov. 27-Dec. 24, 2016 

(8) J. Chung, and Sangmin Lee, Self-Packaged Triboelectric Nanogenerator Using Elastic Bellows, International Workshop on Piezoelectric Materials and Applications in Actuators & Energy Covesion Materials and Devices 2016, jeju, Korea, Aug. 21-24, 2016 

(7) T. Kim, and Sangmin Lee, Sustainable Triboelectric Nanogenerator: Converting Rotating Energy cia Electrification of Water Inertia, International Workshop on Piezoelectric Materials and Applications in Actuators & Energy Covesion Materials and Devices 2016, jeju, Korea, Aug. 21-24, 2016 (Best Paper Award)

(6) H. Yong, and Sangmin Lee, Robust wind-rolling triboelectric nanogenerator at a wide wind speed range, International Workshop on Piezoelectric Materials and Applications in Actuators & Energy Covesion Materials and Devices 2016, jeju, Korea, Aug. 21-24, 2016 (Best Paper Award)

(5) J. Chung, and Sangmin Lee, Self-packaged Triboelectric Nanogenerator Based on Elastic Bellows, Nanoenergy and Nanosystems 2016, Beijing, China, July. 13-15, 2016

(4) S. Lee, and Sangmin Lee, Cylindrical Triboelectric Nanogenerator for harvesting water Energy using patterned surface, Nanoenergy and Nanosystems 2016, Beijing, China, July. 13-15, 2016

(3) T. Kim, and Sangmin Lee, Design and Optimization of rotating triboelectric nanogenerator by water electrification and inertia, Nanoenergy and Nanosystems 2016, Beijing, China, July. 13-15, 2016

(2) H. Yong, and Sangmin Lee, Robust wind-rolling triboelectric nanogenerator for harvesting wind energy at a wide range velocity, Nanoenergy and Nanosystems 2016, Beijing, China, July. 13-15, 2016

(1) Sangmin Lee, Design and applications of triboelectric nanogenerators for practical use, Nanoenergy and Nanosystems 2016, Beijing, China, July. 13-15, 2016 (Invited Speaker)

[2015]

(3) S. Lee, and Sangmin Lee, Triboelectric Nanogenerator Based on Pendulum Motion Harvesting Oscillation Energy, Composites Seoul 2015, Seoul, Korea, Oct. 21-23, 2015

(2) J. Chung, and Sangmin Lee, Ultrathin Nanogenerator as Self-powered/Active Skin Sensor for Tracking Eye Ball Motion, Asia International Symposium on Mechatronics 2015, Guilin, China, Oct. 7-10, 2015

(1) S. Lee, and Sangmin Lee, Pendulum Triboelectric Nanogenerator as an Oscillatory Energy Harvester, Asia International Symposium on Mechatronics 2015, Guilin, China, Oct. 7-10, 2015

[~2014]

(26) Sangmin Lee, S.-W. Kim, S. N. Cha, H. Kim, Y. J. Park, and Z. L. Wang, Super-flexible nanogenerator for energy harvesting from gentle wind and active deformation sensor, 2013 Materials Research Society (MRS) spring meeting, San Francisco, USA, , Apr. 1-5, 2013.
 

(25) Sangmin Lee, S.-H. Bae, L. Lin, C. Park, S.-W. Kim, S. N. Cha, Y. J. Park, and Z. L. Wang, Flexible hybrid cell for harvesting thermal and mechanical energies, 2013 Materials Research Society (MRS) spring meeting, San Francisco, USA, , Apr. 1-5, 2013.
 

(24) R. Hinchet, Sangmin Lee, G. Ardila, L. Montès, M. Mouis, and Z. L. Wang, Design and guideline rules for the performance improvement of vertically integrated nanogenerator, Proceedings of PowerMEMS workshop, Dec. 2-5, 2012.
 

(23) S. Cho, M. Park, Sangmin Lee, Y. Kim, W. Hwang, J. Park, Islet Encapsulation Membrane for Circumventing Immune Rejection Using a Anti-fouling Coated Anodic Aluminum Oxide Membrane, The Korean Society of Mechanical Engineers, Daegu, Korea, Nov. 2-4, 2011
 

(22) K. Lee, S. Lyu, Sangmin Lee, W. Hwang, “Fabrication of self-cleaning transparent film having nanofiber array structures”, International Conference on Nanoscience& Technology (China NANO 2011), Beijing, China, Sep. 7-9, 2011
 

(21) C. Lee, Sangmin Lee, W. Hwang, Contact angle by temperature on composite surface, International Conference on Nanoscience & Technology (China NANO 2011), Beijing, China, Sep. 7-9, 2011
 

(20) Sangmin Lee, H. Cho, D. Kim, W. Hwang, Artificial lotus leaf structure made by blasting with sodium bicarbonate”, The International Conference on Composite Materials 18, Aug. 21-26, 2011, Jeju, Korea
 

(19) Sangmin Lee, Y. Kim, M. Park, H. S. Park, S. W. Cho, J. H. Cho, J. S. Park, W. Hwang, Nanoporous membrane immunoprotection biofilter, The International Conference on Composite Materials 18, Jeju, Korea, Aug. 21-26, 2011
 

(18) C. Lee, K. Lee, S. Lyu, Sangmin Lee, Y. S. Kim, and W. Hwang, Transparent superhydrophobic surface with self-cleaning effect, International Conference on Composites or Nano Engineering 19, Shanghai, China, July 24-30, 2011
 

(17) Sangmin Lee, S. Cho, J. Park, and W. Hwang, Encapsulation method to overcome hypoxia and immune rejection using nanohoneycomb structures, Korea Society of Composite Materials fall conference, Kumoh National Institute of Technology, Gumi, 103-104, May 13, 2011.
 

(16) S. Cho, Sangmin Lee, M. Park, Y. Kim, W. Hwang, J. Park, Islet Encapsulation Using a Anodic Aluminum Oxide Membrane for Circumventing Immune Rejection and Hypoxia, The Korean Society of Mechanical Engineers, Pohang, Korea, April. 28-30, 2011
 

(15) Sangmin Lee, D. Kim, and W. Hwang, A superhydrophobic artificial lotus leaf structures, The 7th Asian-Australasian Conference on Composite Materials (ACCM-7), Taipei, Taiwan, Nov. 15-18, 2010.
 

(14) D. Kim, Sangmin Lee, and W. Hwang, Wetting Characteristics of a dual scale surface by plasma etching to give nanohoneycomb structure, The 7th Asian-Australasian Conference on Composite Materials (ACCM-7), Taipei, Taiwan, Nov. 15-18, 2010
 

(13) Sangmin Lee, M. Park, H.-S. Park, Y. Kim, S. Cho, J. H. Cho, J. Park, and W. Hwang, Development of Polyethylene oxide-functionalized immunoprotective nanofilter using nanohoneycomb structures, Korea Society of Composite Materials fall conference, Seoul national Univ. of Technology, Seoul, 177-181, Oct. 22, 2010.
 

(12) D. Kim, Sangmin Lee, and W. Hwang, Fabrication of a 3-dimensional superhydrophobic surface structure and characteristics of flow past it, Korea Society of Composite Materials fall conference, Seoul national Univ. of Technology, Seoul, 234-238, Oct. 22, 2010.
 

(11) Y. Kim, Sangmin Lee, D. Kim, and W. Hwang, Fabrication of superhydrophobic micro/nano structures using sodium bicarbonate, Korea Society of Composite Materials fall conference, Seoul national Univ. of Technology, Seoul, 182-185, Oct. 22, 2010.
 

(10) Sangmin Lee, M. Park, H.-S. Park, J. H. Cho, J. Park, and W. Hwang, Highly-ordered nanochannel array with modulated pore size by polyethylene oxide (PEO) coating for immune filter, 2010 International Conference on Biofabrication, Philadelphia, Pennsylvania, USA, Oct. 4-6, 2010.
 

(9) C. Lee, Sangmin Lee, J. H. Jeon, J. D. Suh, H. Chang, S. H. Kim, S. H. Lee, and W. Hwang, Simulation for contact pressure in PEMFC stack, The Korean Hydrogen & New Energy Society, Chonbuk National Univ., Chonbuk, 294-299, Nov. 12-13, 2009.
 

(8) Sangmin Lee, and W. Hwang, Fabrication of superhydrophobic nanofiber structures with low contact angle hysteresis and no aging-effects, The 2nd international conference on Multi-Functional Materials and Structures, Qingdao, China, Oct. 9-12, 2009.
 

(7) Sangmin Lee, and W. Hwang, Large-area superhydrophobic nanofiber array structures for drag reduction, 17th International Conference on Composite Materials, Edinburgh, UK, Jul. 27-31, 2009.
 

(6) Sangmin Lee, and W. Hwang, Fabrication superhydrophobic nanofiber structures with low contact angle hysteresis, The Korean Society of Mechanical Engineers spring conference, KAIST, Daejeon, 147-150, May. 1, 2009.
 

(5) Sangmin Lee, and W. Hwang, Stable superhydrophobic nanofiber structures by using nanohoneycomb as replication template, 2009 Materials Research Society (MRS) spring meeting, San Francisco, USA, , Apr. 13-17, 2009.
 

(4) Sangmin Lee, and W. Hwang, Fabrication of large-sized superhydrophobic nanofiber array structures using nanohoneycomb, Korea Society of Composite Materials fall, Convention center, Jeju, 231-234, Nov. 6-7, 2008.
 

(3) Sangmin Lee, S. H. Kim, and W. Hwang, Fabrication and tribological behavior of metal nanohoneycomb structure, 5th International Congress of Nano-Bio Clean Tech 2008, Sanfrancisco, USA, Oct. 27-30, 2008.
 

(2) Sangmin Lee, J. H. Jeon, C. W. Lee, J. D. Suh, H. Chang, S. H. Kim, S. H. Lee, and W. Hwang, Structural analysis in Metal bipolar plate of Fuel Cell Stack, The Korean Society For New And Renewable Energy, Ramada Plaza jeju Hotel, Jeju, 101-104, Jun. 21-22, 2007.
 

(1) Sangmin Lee, S. Kim, D. Choi, K. H. Lee, H. C. Park, and W. Hwang, Fabrication and tribological behavior of metal nanohoneycomb structures, Korea Society of Composite Materials fall conference, Kumoh Univ., Gumi, 234-237, Nov. 23, 2006.

Multiscal Energy Device Laboratory (MEDL), Chung-Ang University, School of Mechanical Engineering,
84, Heukseok-ro, Dongjack-gu, Seoul 156-756, Republic of Korea, Phone: +82-2-820-5071, Email: slee98@cau.ac.kr