Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Karan Kadakia"'
Autor:
Prashanth H. Jampani, Partha Saha, Prashant N. Kumta, Daeho Hong, Ayyakkannu Manivannan, Moni Kanchan Datta, Prasad Prakash Patel, Bharat Gattu, Karan Kadakia
Publikováno v:
Nano Research. 10:4415-4435
High energy mechanical milling (HEMM) of a stoichiometric mixture of molybdenum and metal chalcogenides (CuT and MoT2; T = S, Se) followed by heat treatment at elevated temperatures was successfully applied to synthesize Chevrel phases (Cu2Mo6T8; T =
Autor:
Prashanth H. Jampani, Prashant N. Kumta, Ayyakkannu Manivannan, James A. Poston, Prasad Prakash Patel, Sung Jae Chung, Moni Kanchan Datta, Sung-Kyoo Park, Oleg I. Velikokhatnyi, Karan Kadakia
Publikováno v:
Materials Science and Engineering: B. 212:101-108
High surface area (∼300 m 2 /g) nanostructured powders of (Nb 1−x Ir x )O 2 and (Nb 1−x Ir x )O 2 :10F (∼100 m 2 /g) have been examined as promising oxygen evolution reaction (OER) electro-catalysts for proton exchange membrane (PEM) based wa
Autor:
Moni Kanchan Datta, Prashant N. Kumta, Prashanth Jampani Hanumantha, Karan Kadakia, Christopher U Okoli, Prasad Prakash Patel
Publikováno v:
Electrochimica Acta. 207:37-47
Nanoparticulate transition metal nitride based supercapacitor electrodes have recently gained considerable attention as high capacity energy storage materials. In particular, vanadium nitride has been shown to be an excellent pseudocapacitor on accou
Autor:
James A. Poston, Oleg I. Velikokhatnyi, Prashanth H. Jampani, Daeho Hong, Sameer S. Damle, Prashant N. Kumta, Ayyakkannu Manivannan, Karan Kadakia
Publikováno v:
Journal of Materials Chemistry A. 3:8413-8432
In this study, we provide the first report on the supercapacitance behavior of titanium doped vanadium oxide films grown on vertically aligned carbon nanotubes using a chemical vapor deposition (CVD) technique. The capacitance of CVD derived titanium
Autor:
Moni Kanchan Datta, Ayyakkannu Manivannan, Karan Kadakia, Rigved Epur, Partha Saha, Prashanth H. Jampani, Prasad Prakash Patel, Bharat Gattu, Prashant N. Kumta, Sung Jae Chung, Madhumati Ramanathan
Publikováno v:
Materials Science and Engineering: B. 190:119-125
The high voltage spinel form of LiMn1.5Ni0.5O4 (LMNO) with a particle size ∼10–40 nm has been synthesized for the first time using high energy mechanical milling (HEMM) followed by low temperature thermal treatments using Li2O, MnO2 and NiO as th
Autor:
Oleg I. Velikokhatnyi, Sung Jae Chung, Daeho Hong, Moni Kanchan Datta, Sung-Kyoo Park, Prashanth H. Jampani, Prashant N. Kumta, Karan Kadakia
Publikováno v:
Journal of Power Sources. 269:855-865
Fluorine doped iridium oxide (IrO2:F) powders with varying F content ranging from 0 to 20 wt.% has been synthesized by using a modification of the Adams fusion method. The precursors (IrCl4 and NH4F) are mixed with NaNO3 and heated to elevated temper
Autor:
Ramalinga Kuruba, Ayyakkannu Manivannan, Sung Jae Chung, Rigved Epur, Prasad Prakash Patel, Moni Kanchan Datta, Prashanth H. Jampani, Prashant N. Kumta, Partha Saha, Bharat Gattu, Karan Kadakia
Publikováno v:
Materials Science and Engineering: B. 188:1-7
Nanocrystalline NaMn 2 O 4 with a crystallite size of ∼8–10 nm exhibiting a new close packed hexagonal crystalline form, different from the known stable orthorhombic ( Pbam or Pmnm symmetry) or monoclinic structures common to the Na–Mn–O syst
Autor:
Prashanth H. Jampani, Karan Kadakia, Prashant N. Kumta, Oleg I. Velikokhatnyi, Moni Kanchan Datta
Publikováno v:
International Journal of Hydrogen Energy. 39:664-674
A solid solution of fluorine combined with IrO 2 , SnO 2 and NbO 2 , denoted as (Ir,Sn,Nb)O 2 :F, corresponding to composition (Ir 0.30 Sn 0.35 Nb 0.35 )O 2 : x wt.% F, where x ranges from 0 to 20 was coated on a pretreated Ti foil by decomposition o
Autor:
Prashanth H. Jampani, Prashant N. Kumta, Sung-Kyoo Park, Karan Kadakia, Sung Jae Chung, Moni Kanchan Datta, Oleg I. Velikokhatnyi
Publikováno v:
Journal of Power Sources. 245:362-370
Identification of electro-catalysts containing non-noble metal or significantly reduced amounts of expensive noble metals ( e.g. RuO 2 ) is highly desirable. Development of such a catalyst with comparable electrochemical performance to the standard n
Autor:
Moni Kanchan Datta, Prashanth H. Jampani, James A. Poston, Karan Kadakia, Prashant N. Kumta, Ayyakkannu Manivannan, Oleg I. Velikokhatnyi, Sung Jae Chung
Publikováno v:
Journal of The Electrochemical Society. 161:F868-F875