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Dive into the research topics where Sunmook Lee is active.

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Featured researches published by Sunmook Lee.


Biotechnology Letters | 2009

Electrochemical properties of polyaniline/carboxydextran (PANI/carDEX) composite films for biofuel cells in neutral aqueous solutions

Sunmook Lee; Bokkyu Choi; Atsushi Tsutsumi

Electrochemical properties of composite films consisting of polyaniline/carboxydextran (PANI/carDEX) as a biofuel cell electrode platform were investigated. These composite films were formed on a planar gold surface through electropolymerization after a simple chemical modification of dextran with carboxyl groups. Cyclic voltammetry indicated that the composite films retained a redox activity in neutral pH environment. The PANI/carDEX composite films showed an electrocatalytic activity for the oxidation of ascorbic acid. The PANI/carDEX composite films also demonstrated an excellent electron-transfer mediating capability for the bioelectrocatalytic activation of glucose oxidase (GOx) toward the oxidation of glucose.


Journal of Power Sources | 2009

Development of NiMH-based Fuel Cell/Battery (FCB) system: Characterization of Ni(OH)2/MnO2 positive electrode for FCB

Bokkyu Choi; Sunmook Lee; Chihiro Fushimi; Atsushi Tsutsumi


Electrochimica Acta | 2011

Fibrous MnO2 electrode electrodeposited on carbon fiber for a fuel cell/battery system

Bokkyu Choi; Sunmook Lee; Chihiro Fushimi; Atsushi Tsutsumi


Journal of Power Sources | 2008

Characterization of MnO2 positive electrode for Fuel Cell/Battery (FCB)

Sunmook Lee; Bokkyu Choi; Nobuyuki Hamasuna; Chihiro Fushimi; Atsushi Tsutsumi


International Journal of Hydrogen Energy | 2009

Rapid hydrogen charging on metal hydride negative electrode of Fuel Cell/Battery (FCB) systems

Bokkyu Choi; Sunmook Lee; Hiroyuki Kawai; Chihiro Fushimi; Atsushi Tsutsumi


Archive | 2008

FUEL CELL STORAGE BATTERY, AND BATTERY MODULE USING THE SAME

Bokkyu Choi; Sunmook Lee; Atsushi Tsutsumi; Kazuo Tsutsumi; 敦司 堤; 香津雄 堤; 復圭 崔; 善默 李


Electrochimica Acta | 2010

Power generation/energy storage by a fuel cell/battery system: Regeneration of the MnO2 positive electrode with gaseous oxygen

Bokkyu Choi; Sunmook Lee; Chihiro Fushimi; Atsushi Tsutsumi


Journal of Chemical Engineering of Japan | 2009

Al-Doped α-Nickel Hydroxide Electrode : Addition of Co and Effect of Al Ion in Electrolyte

Bokkyu Choi; Sunmook Lee; Masahiro Iizuka; Yuichiro Otsuji; Chihiro Fushimi; Atsushi Tsutsumi


Journal of Chemical Engineering of Japan | 2009

Polyaniline/Carboxydextran-Gold Hybrid Nanomaterials as a Biofuel Cell Electrode Platform

Sunmook Lee; Bokkyu Choi; Atsushi Tsutsumi


Meeting Abstracts | 2010

MnO2 Electrode Regeneration by Oxygen Gas for Fuel Cell/Battery (FCB) System

Bokkyu Choi; Sunmook Lee; Chihiro Fushimi; Atsushi Tsutsumi

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Atsushi Tsutsumi

Mitsubishi Heavy Industries

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Chihiro Fushimi

Mitsubishi Heavy Industries

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Kazuo Tsutsumi

Southern California Gas Company

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