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http://dx.doi.org/10.5229/JKES.2010.13.2.132

The Manganese Oxide which has Modified Electrochemically Affects in Oxygen Reduction Reaction  

Park, Sung-Ho (Dept. of Industrial Engineering Chemistry, Chungbuk National University)
Shin, Hyun-Soo (R&D Center, Techwin Co., Ltd)
Kim, Jeong-Sik (R&D Center, Techwin Co., Ltd)
Park, Soo-Gil (Dept. of Industrial Engineering Chemistry, Chungbuk National University)
Publication Information
Journal of the Korean Electrochemical Society / v.13, no.2, 2010 , pp. 132-137 More about this Journal
Abstract
This study is concerned the electrocatalytic generation of oxygen gas at electrochemically deposited manganese oxide electrode in KOH solution. Manganese oxide nanoparticles electrodeposited onto relatively substrate, e.g glassy carbon, Au, Ti electrode. MnOx is electrodeposited in nanorod structure which cover the overall surface of the substrate. The $\gamma$-MnOOH that is kind of manganese oxide species plays a significant role as a catalytic mediator, which promote 4-electron reduction process. Modified electrodes with electrodeposited manganese oxide structures resulted in significant decrease in the anodic polarization compared with the unmodified electrodes in alkaline media.
Keywords
Manganese oxides; Oxygen reduction; Electrodeposite;
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