Journal
SCIENCE CHINA-MATERIALS
Volume 62, Issue 7, Pages 947-954Publisher
SCIENCE PRESS
DOI: 10.1007/s40843-018-9399-3
Keywords
temperature-resistant; 10-inch nanocarbon film; flexible supercapacitor
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Funding
- Key Research and Development Program of Shandong Province [2017GGX20123]
- Fundamental Research Funds for the Central Universities of China [17CX02063, 18CX02158A]
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Most of the supercapacitors reported in literatures showed little or no flexibility in the working temperature around 150 degrees C. However, the supercapacitors are generally exposed under complex system or extreme temperature, such as electric vehicles and extremely cold area. Herein, we successfully fabricated a large-scale robust nanocarbon hybrid film consisting of reduced graphene oxide (rGO), carbon nanotubes (CNTs) and MnOx nano-flowers with the size up to 550 cm(2). The mechanical properties of the hybrid films depend on the ratio of CNTs. The supercapacitors prepared with the hybrid films exhibit high flexibility and keep their performances in a temperature range from -20 to 200 degrees C. In addition, the devices display remarkable electrochemical and deformation stability at extreme temperature. This strategy has a potential for the more efficient preparation of flexible electrode materials.
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