Journal
MATERIALS LETTERS
Volume 135, Issue -, Pages 11-14Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2014.07.120
Keywords
Nanocomposite; MnO2; Thin film; Supercapacitors
Funding
- Fundamental Research Funds for the Central Universities (Chongqing University, PR China) [CDJZR14135501]
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Flower-like MnO2 decorated activated multihole carbon (AMC) was fabricated by a simple but effective strategy. Such unique MnO2@AMC nanocomposite exhibited the optimized pseudocapacitance performance, revealing a specific capacitance (297.8 F g(-1)) with excellent rate ability. An asymmetric supercapacitor with nanocomposite as the positive electrode and activated graphene (AG) as the negative electrode yielded an energy density of 18.04 W h kg(-1) and a maximum power density of 8.97 kW kg(-1). And thus, this facile synthetic strategy could be useful to design high-performance electrode for supercapacitors. (C) 2014 Elsevier B.V. All rights reserved.
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