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Fabrication of nanocatalyst-enhanced enzyme electrode and application in glucose biofuel cells

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8 Author(s)
Jen-Yuan Wang ; Inst. of Polymer Sci. & Eng., Nat. Taiwan Univ., Taipei, Taiwan ; Miao-Ju Yen ; Kuo-Chuan Ho ; Lin-Chi Chen
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Here we report a nano-size catalyst-enhanced enzymatic bioanode for glucose biofuel cells. The bioanode was constructed by coating a crosslinked mixture of glucose oxidase (GOx), 2,5-dihydroxybenzaldehyde (DHB), bovine serum albumin (BSA) and glutaraldehyde on a MWCNT-modified screen printed carbon electrode (SPCE). By presenting Ru-supported CMK-3 (Ru-CMK-3) in the bioanode, the biofuel cell's power output was significantly enhanced and could reach 60 W·cm-2 at 25°C. And we found that the enhancement was attributed to CMK-3 or Ru-CMK-3-catalyzed oxidation of gluconic acid. Therefore, Ru-CMK-3 can work synergistically with GOx and achieve more complete oxidation of glucose in a biofuel cell.

Published in:

Nanoelectronics Conference (INEC), 2011 IEEE 4th International

Date of Conference:

21-24 June 2011