AgNi@ZnO nanorods grown on graphene as an anodic catalyst for direct glucose fuel cells
- Authors
- Thoa Thi Kim Huynh; Thao Quynh Ngan Tran; Yoon, Hyon Hee; Kim, Woo-Jae; Kim, Il Tae
- Issue Date
- Jul-2019
- Publisher
- KOREAN INSTITUTE CHEMICAL ENGINEERS
- Keywords
- 3D Nanostructures; CVD Graphene; Direct Glucose Fuel Cell; Nickel Nanoparticles; Silver Nanoparticles; Zinc Oxide Nanorods
- Citation
- KOREAN JOURNAL OF CHEMICAL ENGINEERING, v.36, no.7, pp.1193 - 1200
- Journal Title
- KOREAN JOURNAL OF CHEMICAL ENGINEERING
- Volume
- 36
- Number
- 7
- Start Page
- 1193
- End Page
- 1200
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/1272
- DOI
- 10.1007/s11814-019-0293-z
- ISSN
- 0256-1115
- Abstract
- Nano carbon-semiconductor hybrid materials such as graphene and zinc oxide (ZnO) have been vigorously explored for their direct electron transfer properties and high specific surface areas. We fabricated a three-dimensional anodic electrode catalyst nanostructure for a direct glucose fuel cell (DGFC) utilizing two-dimensional monolayer graphene and one-dimensional ZnO nanorods, which accommodate silver/nickel (Ag/Ni) nanoparticle catalyst. Glucose, as an unlimited and safe natural energy resource, has become the most popular fuel for energy storage. Ag and Ni nanoparticles, having superior catalytic activities and anti-poisoning effect, respectively, demonstrate a 73-times enhanced cell performance (550 mu W cm(-2) or 8 mW mg(-1)) when deposited on zinc oxide nanorods with a small amount of approximate to 0.069 mg in 0.5 M of glucose and 1 M of KOH solution at 60 C-o. This three-dimensional anodic electrode catalyst nanostructure presents promise to open up a new generation of fuel cells with non-Pt, low mass loading of catalyst, and 3D nanostructure electrodes for high electrochemical performances.
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