Biofuel cells, which convert chemical energy into electrical energy at mild temperature and over moderate pH ranges, have been considered some of the most promising candidates for powering biomedical devices. However, most biofuel cells provide low power output and short-term operational stability due to their poor electron transfer. To address these issues, we use a unique amphiphilic assembly method to generate hybrid biofuel cells with high power output and good operational stability. This approach can induce favorable interfacial interactions between electrocatalysts and significantly improve the electron transfer kinetics of electrodes. In this study, glucose oxidase (in aqueous media) is repeatedly assembled with hydrophobic metal nanoparticles (in nonpolar media) on a conductive textile. The formed biofuel cell exhibits remarkably high power output (7.3 mW cm−2) and good operational durability. We believe that our assembly approach can provide a basis for preparing a variety of high-performance bioelectrochemical devices, including biofuel cells.
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High-performance hybrid biofuel cells using amphiphilic assembly based enzyme electrodes
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June 2022
Research Article|
May 24 2022
High-performance hybrid biofuel cells using amphiphilic assembly based enzyme electrodes
Cheong Hoon Kwon
;
Cheong Hoon Kwon
1
Department of Chemical & Biological Engineering, Korea University
, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
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Minchul Kang
;
Minchul Kang
1
Department of Chemical & Biological Engineering, Korea University
, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
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Minseong Kwon
;
Minseong Kwon
1
Department of Chemical & Biological Engineering, Korea University
, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
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Donghyeon Nam
;
Donghyeon Nam
1
Department of Chemical & Biological Engineering, Korea University
, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
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Yongkwon Song;
Yongkwon Song
1
Department of Chemical & Biological Engineering, Korea University
, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
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Euiju Yong;
Euiju Yong
1
Department of Chemical & Biological Engineering, Korea University
, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
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Min-Kyu Oh;
Min-Kyu Oh
1
Department of Chemical & Biological Engineering, Korea University
, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
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Yongju Kim;
Yongju Kim
2
KU-KIST Graduate School of Converging Science and Technology, Korea University
, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
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Bongjun Yeom;
Bongjun Yeom
3
Department of Chemical Engineering, Hanyang University
, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
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Jun Hyuk Moon;
Jun Hyuk Moon
4
Department of Chemical and Biomolecular Engineering, Sogang University
, Baekbeom-ro 35, Mapo-gu, Seoul 04107, Republic of Korea
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Seung Woo Lee
;
Seung Woo Lee
a)
5
The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology
, Atlanta, Georgia 30332, USA
a)Authors to whom correspondence should be addressed: seung.lee@me.gatech.edu and jinhan71@korea.ac.kr
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Jinhan Cho
Jinhan Cho
a)
1
Department of Chemical & Biological Engineering, Korea University
, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
2
KU-KIST Graduate School of Converging Science and Technology, Korea University
, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
a)Authors to whom correspondence should be addressed: seung.lee@me.gatech.edu and jinhan71@korea.ac.kr
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a)Authors to whom correspondence should be addressed: seung.lee@me.gatech.edu and jinhan71@korea.ac.kr
Appl. Phys. Rev. 9, 021413 (2022)
Article history
Received:
January 11 2022
Accepted:
April 15 2022
Citation
Cheong Hoon Kwon, Minchul Kang, Minseong Kwon, Donghyeon Nam, Yongkwon Song, Euiju Yong, Min-Kyu Oh, Yongju Kim, Bongjun Yeom, Jun Hyuk Moon, Seung Woo Lee, Jinhan Cho; High-performance hybrid biofuel cells using amphiphilic assembly based enzyme electrodes. Appl. Phys. Rev. 1 June 2022; 9 (2): 021413. https://doi.org/10.1063/5.0084917
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