Prof. Chanho Pak
Gwangju Institute of Science and Technology (GIST)
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Academic Career Length
37Years (1990-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
View All Publications2 May 2007 in Journal of Materials Chemistry
Journal Article
The synthesis and application aspects of ordered mesoporous carbon (OMC) as a novel material for fuel cell catalysts are reviewed in this paper. The synthesis and structural characterization of OMC is outlined and the recent advances in the synthesis of OMC relevant to fuel cell technologies is presented. Recent examples of the application of OMC as a support for fuel cell catalysts are summarized and practical approaches for the application of OMC for the fuel cell systems are discussed. Future perspectives on the use of OMC in energy conversion and storage devices are also suggested.
1 December 2006 in Electrochimica Acta
Journal Article
SJSang Hoon Joo
Sang Hoon JooChanho PakDYDae Jong You
Dae Jong You
SLSeol-Ah Lee
Seol-Ah Lee
HLHyung Ik Lee
Hyung Ik Lee
DSDoyoung Seung
Doyoung Seung
+2
25 June 2010 in Journal of Materials Chemistry
Journal Article
HLHyung Ik Lee
Hyung Ik Lee
JKJin Hoe Kim
Jin Hoe Kim
GSGalen D. Stucky
Galen D. StuckyYSYifeng Shi
Yifeng Shi
Chanho PakJKJi Man Kim
Ji Man KimMesoporous silica structures are of increasing importance as supports for enzymes and molecular organometallic catalysts. For high-surface-area, porous 3-d catalytic supports, the relationship between the exterior particle morphology and the 3-d mesopore structure is of particular significance. This paper describes the designed synthesis of selected morphologies of mesoporous SBA-15, which can be chosen from micrometer sized spheres to hundreds or tens of nanometers sized monodispersed particles such as platelets, hexagonal columns, rice-shapes, rods with tunable aspect ratios, and donuts. These are directly synthesized via control of the fundamental synthesis factors, including initial temperature, stirring rate and micelle packing parameter, rather than by the use of additives that have been generally utilized for specific morphologies in previous reports. The relationship between these basic synthesis parameters and morphologies provides insights into the formation of mesostructured materials.The SBA materials with various morphologies are expected to be useful in applications that require anisotropic or path-length-controlled diffusion.
11 September 2003 in The Journal of Physical Chemistry B
Journal Article
SLSangyun Lim
Sangyun Lim
DCDragos Ciuparu
Dragos Ciuparu
Chanho PakFDFrank Dobek
Frank Dobek
YCYuan Chen
Yuan ChenGHGary Haller
Gary Haller
+2
22 March 2016 in Nature Communications
Journal Article
JSJeong Kuk Shon
Jeong Kuk Shon
HLHyo Sug Lee
Hyo Sug Lee
GPGwi Ok Park
Gwi Ok Park
JYJeongbae Yoon
Jeongbae Yoon
EPEunjun Park
Eunjun Park
GSGalen D. Stucky
Galen D. Stucky +10
Developing electrode materials with high-energy densities is important for the development of lithium-ion batteries. Here, we demonstrate a mesoporous molybdenum dioxide material with abnormal lithium-storage sites, which exhibits a discharge capacity of 1,814 mAh g−1 for the first cycle, more than twice its theoretical value, and maintains its initial capacity after 50 cycles. Contrary to previous reports, we find that a mechanism for the high and reversible lithium-storage capacity of the mesoporous molybdenum dioxide electrode is not based on a conversion reaction. Insight into the electrochemical results, obtained by in situ X-ray absorption, scanning transmission electron microscopy analysis combined with electron energy loss spectroscopy and computational modelling indicates that the nanoscale pore engineering of this transition metal oxide enables an unexpected electrochemical mass storage reaction mechanism, and may provide a strategy for the design of cation storage materials for battery systems.
1 October 2009 in Electrochimica Acta
Journal Article
SJSang Hoon Joo
Sang Hoon JooKKKyungjung Kwon
Kyungjung Kwon
DYDae Jong You
Dae Jong You
Chanho PakHCHyuk Chang
Hyuk Chang
JKJi Man Kim
Ji Man Kim
About Me
Dr. Chanho Pak is an associate professor of Gwangju Institute of Science and Technology (GIST) since August of 2016. Before moving to GIST, he worked as a vice president at the Battery Research Center of Samsung SDI for directing the development of MEA for fuel cell electric vehicles. He received his BS (1990), MS (1992), and Ph. D. (1995) degrees from the Department of Chemistry of KAIST with a synthesis of metal nanoparticles in the Y zeolite. He was a postdoctoral associate at the Department of Chemical Engineering of Yale University in 1999 and the College of Chemistry at the University of California at Berkeley in 2000. He was named as Master of Samsung Electronics at end of 2010 during his career at the Samsung Advanced Institute of Technology from 1995 to 2013. He has 122 research publications and more than 150 granted patents in the field of fuel cell and nanostructured materials. Currently, his research focuses on the development of a non-Pt and Pt supported catalysts for the PEMFC MEA using the nanostructured carbon and hybrid support. Also, he is about to study the oxygen and hydrogen evolution catalysts for green hydrogen production.