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

페로신카르복시산을 이용한 글루코스 산화효소의 표면개질에 의한 바이오 연료전지 성능향상

  • 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)
  • Received : 2016.10.05
  • Accepted : 2016.10.30
  • Published : 2016.10.30

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

References

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