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Open AccessArticle

Binder Free and Flexible Asymmetric Supercapacitor Exploiting Mn3O4 and MoS2 Nanoflakes on Carbon Fibers

1
Politecnico di Torino, Dipartimento di Scienza Applicata e Tecnologia (DISAT), Corso Duca Degli Abruzzi, 24, 10129 Turin, Italy
2
Faculty of Engineering and Technology, National Textile University, Faisalabad 38000, Pakistan
3
Istituto Italiano di Tecnologia, Center for Sustainable Future Technologies, Corso Trento, 21, 10129 Turin, Italy
*
Authors to whom correspondence should be addressed.
Nanomaterials 2020, 10(6), 1084; https://doi.org/10.3390/nano10061084
Received: 30 April 2020 / Revised: 22 May 2020 / Accepted: 26 May 2020 / Published: 31 May 2020
(This article belongs to the Special Issue Design and Synthesis of Nanomaterials for Energy Storage)
Emerging technologies, such as portable electronics, have had a huge impact on societal norms, such as access to real time information. To perform these tasks, portable electronic devices need more and more accessories for the processing and dispensation of the data, resulting in higher demand for energy and power. To overcome this problem, a low cost high-performing flexible fiber shaped asymmetric supercapacitor was fabricated, exploiting 3D-spinel manganese oxide Mn3O4 as cathode and 2D molybdenum disulfide MoS2 as anode. These asymmetric supercapacitors with stretched operating voltage window of 1.8 V exhibit high specific capacitance and energy density, good rate capability and cyclic stability after 3000 cycles, with a capacitance retention of more than 80%. This device has also shown an excellent bending stability at different bending conditions. View Full-Text
Keywords: supercapacitors; Mn3O4; MoS2; fiber-shaped; flexible supercapacitors; Mn3O4; MoS2; fiber-shaped; flexible
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MDPI and ACS Style

Rafique, A.; Zubair, U.; Serrapede, M.; Fontana, M.; Bianco, S.; Rivolo, P.; Pirri, C.F.; Lamberti, A. Binder Free and Flexible Asymmetric Supercapacitor Exploiting Mn3O4 and MoS2 Nanoflakes on Carbon Fibers. Nanomaterials 2020, 10, 1084.

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