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http://dx.doi.org/10.7316/KHNES.2016.27.5.526

Performance Enhancement of Biofuel Cell by Surface Modification of Glucose Oxidase using Ferrocene Carboxylic acid  

JI, JUNGYEON (Grad. School of Energy and Environment, Seoul National Univ. of Science and Technology)
CHRISTWARDANA, MARCELINUS (Grad. School of Energy and Environment, Seoul National Univ. of Science and Technology)
CHUNG, YONGJIN (Grad. School of Energy and Environment, Seoul National Univ. of Science and Technology)
KWON, YONGCHAI (Grad. School of Energy and Environment, Seoul National Univ. of Science and Technology)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.27, no.5, 2016 , pp. 526-532 More about this Journal
Abstract
In this study, we synthesized a mediator immobilized biocatalyst([FCA/GOx]/PEI/CNT) by surface modification using ferrocene carboxylic acid(FCA), and evaluated its performance as anode catalyst for biofuel cell. Through the application of FCA on glucose oxidase (GOx), the free amine groups on the lysine residue of GOx surface reacted with carboxylic acid of FCA and make amide bond between GOx and FCA. As the result of that, the electron transfer of catalyst was increased up to 1.91 times($0.468mA{\cdot}cm^{-2}$) than the catalyst without surface modification (GOx/PEI/CNT), and high maxium power density of $1.79mA{\cdot}cm^{-2}$ was gained.
Keywords
Enzymed Bio Fuelcell; Glucose; Glucose oxidase; Mediator; Ferrocene Carboxylic acid;
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