Low-Cost, High-Efficiency Conductive Papers Fabricated Using Multi-Walled Carbon Nanotubes, Carbon Blacks and Polyvinyl Alcohol as Conducting Agents
- Authors
- Kalam, Amir Abul; Bae, Joonho
- Issue Date
- 2015
- Publisher
- ELECTROCHEMICAL SOC INC
- Citation
- ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY, v.4, no.7, pp.M41 - M45
- Journal Title
- ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY
- Volume
- 4
- Number
- 7
- Start Page
- M41
- End Page
- M45
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/11922
- DOI
- 10.1149/2.0261507jss
- ISSN
- 2162-8769
- Abstract
- Paper-based electronics or energy storage devices are emerging as next-generation technology. However, conducting agents for paper electrodes are prohibitively expensive at present. In this work, we demonstrate a facile and cost-effective way of converting sheets of commercial papers into high-performance conductive electrodes for supercapacitors. Multi-walled carbon nanotubes (CNTs), carbon blacks (CBs), and polyvinyl alcohol were successfully employed to fabricate conductive, flexible, bendable, disposable and foldable paper electrodes. The CNTs showed higher mass-specific capacitance (219 Fg(-1)), area-specific capacitance (9.8 mFcm(-2)), and energy density (30 Wh kg(-1)). Carbon blacks also demonstrated significantly large mass-specific capacitance (92 Fg(-1)) and area-specific capacitance (4.4 mFcm(-2)). This work is the first report on carbon-blacks-based paper electrodes of supercapacitors. Our method could provide a scalable way to realize paper-based electrode materials, which could find applications in next generation wearable devices. (C) 2015 The Electrochemical Society. All rights reserved.
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