Journal
BIOSENSORS & BIOELECTRONICS
Volume 78, Issue -, Pages 390-395Publisher
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2015.11.077
Keywords
Trehalose biofuel cell; Living battery; Insect hemolymph; Wireless communication; Trehalase; Glucose dehydrogenase
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Funding
- Ministry of Education, Culture, Sports, Science and Technology in Japan [21676002, 23111705, 26249027]
- TEPCO Memorial Foundation
- Strategic Information and Communications R&D Promotion Programme
- JSPS Research Fellow
- Industrial Technology Research Grant Program from New Energy and Industrial technology Development Organization (NEDO) of Japan
- Grants-in-Aid for Scientific Research [15H00819, 21676002, 14J00816, 26249027] Funding Source: KAKEN
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This study investigated an enzymatic biofuel cell (BFC) which can be backpacked by cockroaches. The BFC generates electric power from trehalose in insect hemolymph by the trehalase and glucose dehydrogenase (GDH) reaction systems which dehydrogenate (beta-glucose obtained by hydrolyzing trehalose. First, an insect -mountable BFC (imBFC) was designed and fabricated with a 3D printer. The electrochemical reaction of anode-modified poly-L-lysine, vitamin 1(3, diaphorase, nicotinamide adenine di nucleotide, GDH and poly(sodium 4-styrenesulfonate) in the imBFC was evaluated and an oxidation current of 1.18 mA cm(-2) (at +0.6 V vs. AglAgCl) was observed. Then, the performance of the imBFC was evaluated and a maximum power output of 333 mu W (285 mu W cm(-2)) (at 0.5 V) was obtained. Furthermore, driving of both an LED device and a wireless temperature and humidity sensor device were powered by the imBFC. These results indicate that the imBFC has sufficient potential as a battery for novel ubiquitous robots such as insect cyborgs. (C) 2015 Elsevier B.V. All rights reserved.
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