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|Title:||Alcohol mediated growth of α-MnO₂ thin films from KMnO₄ precursor for high performance supercapacitors|
|Other Titles:||Alcohol mediated growth of alpha-MnO(2) thin films from KMnO(4) precursor for high performance supercapacitors|
|Citation:||RSC Advances: an international journal to further the chemical sciences, 2014; 4(106):61503-61513|
|Publisher:||Royal Society of Chemistry|
|Nilesh R. Chodankar, Girish S. Gund, Deepak P. Dubal and Chandrakant D. Lokhande|
|Abstract:||Energy storage devices, with low cost, high energy density, high power density, and long cycle life, have prime importance in order to solve the problem of interrupted power supply of renewable generation systems. In the present work, MnO₂ thin films have been deposited by a simple, scalable, additive-free, binder-less, low cost, low temperature and eco-friendly chemical bath deposition method. The impact of three different alcohols (methanol, ethanol, 2-propenol) as reducing agents on the morphological, structural and electrochemical properties of MnO₂ thin film is investigated. The MnO₂ thin film prepared with the methanol as the reducing agent exhibits high specific surface area with excellent electrochemical features such as high specific capacitance of 633 F g⁻¹ and high energy density of 65.9 W h kg⁻¹ at current density of 1 mA cm⁻² along with a good cycling stability of 95% after 2000 CV cycles. Such leading electrochemical properties suggest that MnO₂ thin film prepared with methanol as the reducing agent using chemical bath deposition is a significant method to prepare reliable electrode material for future energy storage devices.|
|Rights:||This journal is © The Royal Society of Chemistry 2014|
|Appears in Collections:||Aurora harvest 8|
Chemical Engineering publications
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