ICCAS OpenIR
A Miniature Glucose/O-2 Biofuel Cell With a High Tolerance Against Ascorbic Acid
Li, X.1,2; Zhang, L.1,2; Su, L.1; Ohsaka, T.3; Mao, L.1
2009-02-01
Source PublicationFUEL CELLS
ISSN1615-6846
Volume9Issue:1Pages:85-91
AbstractThis study demonstrates a miniature glucose/O-2 biofuel cell (BFC) with a high tolerance against physiological level of ascorbic acid (AA) by immobilising ascorbate oxidase (AAox) on both the bioanode and the biocathode. Single-walled carbon nanotube (SWNT)-modified carbon fiber microelectrodes (CFMEs) are employed as the substrate electrode for the bioanode and biocathode. Glucose dehydrogenase (GDH) and bilirubin oxidase (BOD) are used as the biocatalysts for the electro-oxidation of glucose and for the electro-reduction of oxygen, respectively. SWNTs are used as the support for the both, stably confining the electrocatalyst (i.e. polymerised methylene blue, polyMB) for the oxidation of NADH co-factor for GDH and efficiently facilitating direct electrochemistry of the cathodic biocatalyst (i.e. BOD) for 0, reduction. The prepared micro-sized GDH-based bioanode and BOD-based biocathode employed for the bioelectrocatalytic oxidation of glucose and reduction of oxygen, respectively, are further over-coated with AAox to give a miniature glucose/O-2 BFC with a high tolerance against AA. The maximum power density and the open circuit voltage (OCV) of the assembled glucose/O-2 BFC are 52 mu W cm(-2) and 0.60 V, respectively. These values remain unchanged with the presence of AA in solution. In the human serum containing 10 mM NAD(+) and under ambient air, the maximum power density and the CCV of the assembled glucose/O-2, BFC with AAox immobilisation on both the bioanode and the biocathode are 35 mu W cm(-2) and 0.39 V, respectively. These values are remarkably larger than those of the glucose/O-2 BFC without AAox immobilisation on both the bioanode and the biocathode. This study could offer a new route to the development of enzymatic BFCs with promising application in real biological systems.
KeywordAscorbate Oxidase Ascorbic Acid Bioelectrochemistry Biofuel Cells Glucose
DOI10.1002/fuce.200800054
Indexed BySCI
Language英语
WOS IDWOS:000264061700011
PublisherWILEY-BLACKWELL
Citation statistics
Cited Times:38[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/67204
Collection中国科学院化学研究所
Corresponding AuthorMao, L.
Affiliation1.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.CAS, Grad Sch, Beijing 100049, Peoples R China
3.Tokyo Inst Technol, Interdisciplinary Grad Sch Sci & Engn, Dept Elect Chem, Midori Ku, Yokohama, Kanagawa 2268502, Japan
Recommended Citation
GB/T 7714
Li, X.,Zhang, L.,Su, L.,et al. A Miniature Glucose/O-2 Biofuel Cell With a High Tolerance Against Ascorbic Acid[J]. FUEL CELLS,2009,9(1):85-91.
APA Li, X.,Zhang, L.,Su, L.,Ohsaka, T.,&Mao, L..(2009).A Miniature Glucose/O-2 Biofuel Cell With a High Tolerance Against Ascorbic Acid.FUEL CELLS,9(1),85-91.
MLA Li, X.,et al."A Miniature Glucose/O-2 Biofuel Cell With a High Tolerance Against Ascorbic Acid".FUEL CELLS 9.1(2009):85-91.
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