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- 저자 : Abhishek Shinde (검색결과 2 건)
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Shinde, Pragati A.,Lokhande, Abhishek C.,Chodankar, Nilesh R.,Patil, Amar M.,Kim, Jin H.,Lokhande, Chandrakant D. Pergamon Press 2017 Electrochimica Acta Vol. No.
<P><B>Abstract</B></P> <P>In present article, temperature dependent surface morphological modification and its subsequent influence on electrochemical performance of hexagonal WO<SUB>3</SUB> (h-WO<SUB>3</SUB>) thin films has been investigated. The nanostructured h-WO<SUB>3</SUB> films are synthesized on carbon cloth substrate using simple hydrothermal method. It is observed that h-WO<SUB>3</SUB> thin films prepared at temperature of 413, 433 and 453K display nanogranule-like, nanoplate-like and nanorod-like suface morphology. The X-ray diffraction study discloses the prominent orientation along (001) and (200) planes which reveals the preferential growth direction of h-WO<SUB>3</SUB> along c and a-axis, respectively. The h-WO<SUB>3</SUB> film prepared at 453K shows good surface area, pore volume and uniform pore size distribution. The electrochemical measurements exhibit high specific capacitance of 694Fg<SUP>−1</SUP>, energy density of 25 Wh Kg<SUP>−1</SUP> and long term cycling performance (87 % capacitance retention after 2,000 cycles) for h-WO<SUB>3</SUB> thin film. The results indicate that h-WO<SUB>3</SUB> nanorods could be a promising electrode material for high performance energy storage devices.</P>
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Tilak Rana,Mesfin Kebede Kassa,Abhishek Shinde,Paul Praveen A,Sushila Chowdhary,Ananda Babu Arumugam 한국섬유공학회 2022 Fibers and polymers Vol.23 No.6
In this study, the elastic properties of the various honeycomb core configurations tailored with MWCNT filledglass fiber reinforced polymer composite materials (GFRP) were investigated numerically using vibration based techniquesand verified with experimental works. The shear properties of GFRP and CNT-GFRP strips corrugated hybrid honeycombcore structures with the influence of Armchair and Zigzag arrangement in CNTs using the vibration analysis have beencarried out along the out of plane with respect to Gxz and Gyz directions. The fabrication of honeycomb core using MWCNTfilled glass fiber reinforced polymer composite materials (GFRP) were prepared with corrugation method after preparing thelamina using vacuum bagging assisted hand layup technique and tested using vibration based techniques for verifying thedeveloped numerical formulation. Finally, the parametric study was carried out to identify the effects of the addition ofvarious different types of CNT; weight percentages of MWCNT, different ply orientations of the fibers, various honeycombconfigurations and honeycomb cell size. It was observed that significant difference is noticed in the shear characteristics ofthe honeycomb with respect to the variations in the parameters considered. Further, it was noticed from the analysis that thehoneycomb structures made by the insertion of strips in various locations of the hexagonal honeycomb cells could yieldhigher shear moduli than that of the conventional honeycomb structure. It can be concluded that the vibration basedtechniques implemented for evaluation the elastic properties of the various honeycomb core configurations tailored withMWCNT filled GFRP composite materials and results extracted could support the designers for developing various cell corewith the addition of MWCNT for the light weight applications such robots, aircraft and automobile applications.
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