Helium Dielectric Barrier Discharge Plasma Jet (DBD Jet)-Processed Graphite Foil as Current Collector for Paper-Based Fluidic Aluminum-Air Batteries

Chung-Yueh Shih, I-Chih Ni, Chih-Lin Chan, Cheng-Che Hsu, Chih-I Wu, I-Chun Cheng and Jian-Zhang Chen ()
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Chung-Yueh Shih: Graduate Institute of Applied Mechanics, National Taiwan University, Taipei City 10617, Taiwan
I-Chih Ni: Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei City 10617, Taiwan
Chih-Lin Chan: Graduate Institute of Applied Mechanics, National Taiwan University, Taipei City 10617, Taiwan
Cheng-Che Hsu: Department of Chemical Engineering, National Taiwan University, Taipei City 10617, Taiwan
Chih-I Wu: Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei City 10617, Taiwan
I-Chun Cheng: Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei City 10617, Taiwan
Jian-Zhang Chen: Graduate Institute of Applied Mechanics, National Taiwan University, Taipei City 10617, Taiwan

Energies, 2022, vol. 15, issue 16, 1-11

Abstract: A helium (He) dielectric barrier discharge plasma jet (DBD jet) was used for the first time for treating graphite foil as the current collector of a paper-based fluidic aluminum-air battery. The main purpose was to improve the distribution of the catalyst layer through modification and functionalization of the graphite foil surface. The plasma functionalized the graphite foil surface to enhance the wettability where the more hydroxyl could be observed from XPS results. The 30 s-He DBD jet treatment on the graphite foil significantly improved the battery performance. The best current density of 85.6 mA/cm 2 and power density of 40.98 mW/cm 2 were achieved. The energy density was also improved to 720 Wh/kg.

Keywords: aluminum-air battery; atmospheric pressure plasma; dielectric barrier discharge; surface modification; graphite (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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