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http://dx.doi.org/10.9713/kcer.2019.57.1.1

Enhancement of Glucose Oxidation Reaction in Enzyme Biofuel Cell Utilizing Anthracene Dicarboxyl acid Cross-linker  

Hyun, Kyuhwan (Graduate School of Energy and Environment, Seoul National University of Science and Technology)
Ji, Jungyeon (Graduate School of Energy and Environment, Seoul National University of Science and Technology)
Kwon, Yongchai (Graduate School of Energy and Environment, Seoul National University of Science and Technology)
Publication Information
Korean Chemical Engineering Research / v.57, no.1, 2019 , pp. 1-4 More about this Journal
Abstract
In this study, an anthracene cross-linker is introduced to enhance the catalytic activity of glucose oxidase (GOx) based catalysts and to increase the amount of enzyme loading. The crosslinked GOx is bonded with the CNT/PEI support using the electrostatic interaction (AC[CNT/PEI/GOx]). Electrochemical evaluations are done to evaluate the performance of this catalyst and the performance of CNT/PEI/GOx catalyst is also measured as a control. According to the measurements, it is confirmed that the amount of loaded GOx increases, while $K_m$ value calculated by Lineweaver-Burk plot shows that AC[CNT/PEI/GOx] ($K_m$ : 0.73 mM) is superior to CNT/PEI/GOx ($K_m$ : 1.71 mM) without cross-linking reaction. Based on these effects, it is demonstrated that the maximum power density of the enzymatic biofuel cell using AC[CNT/PEI/GOx] increases from $21.2{\mu}W/cm^2$ to $57.4{\mu}W/cm^2$.
Keywords
Glucose oxidase; Cross linker; Enzymatic fuel cell; Glucose oxidation reaction;
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Times Cited By KSCI : 1  (Citation Analysis)
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