Browsing Division of Chemical Sciences by Title
Now showing items 295-314 of 1498
-
Electrochemical Investigations Related to High Energy Li-O2 and Li-Ion Rechargeable Batteries
(2018-07-18)A galvanic cell converts chemical energy into electrical energy. Devices that carry out these conversions are called batteries. In batteries, generally the chemical components are contained within the device itself. If ... -
Electrochemical Investigations Related to the Next Generation Sodium and Potassium Batteries
The commercialization of Li-ion battery (LIB) in 1990s by Sony Corporation has led to its applications in portable electronic devices such as mobile phones, cameras, laptop computers, etc. Initially, the energy density of ... -
Electrochemical Studies Of PEDOT : Microscopy, Electrooxidation Of Small Organic Molecules And Phenol, And Supercapacitor Studies
(2011-01-25)Following the discovery of electronic conductivity in doped polyacetylene, various studies on conducting polymers have been investigated. These polymers are essentially characterized by the presence of conjugated bonding ... -
Electrochemical Studies Of Polyaniline And Some Of Its Applications
(2010-03-03)The studies reported in the thesis deal with surface modification of non-platinum metals by coating with electronically conducting polymers, namely, polyanilne (PANI) and polypyrrole (PPY). The oxidation of Г/I2, ... -
Electrochemical studies of sealed lead-acid battery electrode reactions
Sealed lead-acid battery (SLA), also called valve-regulated lead-acid battery (VRLA), is the subject of considerable research efforts at the present time. There are, however, a few outstanding problems to be solved to ... -
Electrochemical Supercapacitor Investigations Of MnO2 And Mn(OH)2
(2013-04-30)Electrical double-layer formed at the electrode/electrolyte interface in combination with electron-transfer reaction can lead to many important applications of electrochemistry, including energy storage devices, namely, ... -
Electrochemistry at complex interfacial geometries
A study of electrochemical response of interfaces, when one or more of the electrodes assume arbitrary or rough (random) geometries, is of utmost importance but is difficult to analyse. The importance arises from the fact ... -
Electrode Design and Interface Engineering for Boosting Electrochemical Performance of Aqueous Zinc-based Batteries
Aqueous zinc-based batteries (AZBs) have emerged as promising next-generation energy storage systems due to the abundance of zinc, which expectedly should lower the battery cost. Additionally, Zn-based batteries will be ... -
Electrode kinetics of hydrogen evoluion reaction & electrodeposition of silver, palladium & silver-palladium alloys.
It has been demonstrated that chemically modified manganese dioxide can be prepared by oxidation of appropriate mixed salt solutions by chlorate ion. Manganese dioxide–coated titanium electrode has been found to be ... -
Electron diffraction studies of electro-deposits
The work described in this thesis has been directed towards the design and fabrication of an electron diffraction camera, and its use to study the dependence of the structure of electrodeposits upon electrochemical conditions ... -
Electron Microscopy Investigation of Formation Mechanism, Structure and Stability of Functional Nanostructures & Hybrids
Micro/nano-structural characteristics of functional materials play a crucial role in their properties. In that spirit, it is of utmost importance to explore the ‘room at the bottom’, to characterize the functional nanomaterials ... -
Electron Microscopy Investigations of Surface-modulated Nanomaterials for Electrocatalytic Applications
With advancement and increasing usage of technologies, the demand for energy is also growing. However, the limited and ever-depleting stock of natural gas and fossil fuels has necessitated for better solutions in energy ... -
Electron Microscopy Investigations on Solution Grown Stannous Oxide Nanosheets
In this thesis, motivated by the possibility of studying rich scientific phenomena using morphology controlled single crystals, experimental observation of new features in the growth and structure of layered oxide materials ... -
Electron spectroscopic investigations of nitrogen adsorbed on transition metal surfaces and of oxide superconductors.
1.4 Conclusions The core and valence level binding energies and vibrational stretching frequencies of nitrogen adsorbed on clean as well as modified transition?metal surfaces are summarized in Tables I.1–I.3. From Table ... -
Electron spectroscopic studies of the adsorption and reactivity of oxygen on transition metal surfaces covered with alkali and alkaline earth metals
Characteristic Cl(2p) and O(1s) peaks are seen by XPS attributable to distinct adsorbed chlorine and oxygen species on potassium and barium dosed Ag surfaces: a) There is selective stabilization of molecular dioxygen species ... -
Electronic and Magnetic Structures of Some Selected Strongly Correlated Systems
(2018-01-04)Transition metal oxides and chalcogenides are an ideal platform for demonstrating and investigating many interesting electronic phases of matter. These phases emerge as a result of collective many body interactions among ... -
Electronic Structure And Bonding In Metallaboranes And Main Group Compounds
(2016-05-04)This thesis entitled “Electronic Structure and Bonding in Metallaboranes and Main Group Compounds” consists of five chapters. Chapter 1 gives an exposition of concepts and techniques used in understanding the electronic ... -
Electronic structure and Photophysical study of semiconducting nanocrystallites
Sizable photocurrent was observed from the CdS-4.5 and CdS-2.2 nanocrystalline films, although the EL efficiency was weak. The I-V characteristic of CdS-4.5 and CdS-2.2 has a typical diode behavior with the onset voltage ... -
Electronic structure and spectroscopy properties of some thicarboy compounds
8.1 SEMI-EMPIRICAL PARAMETERS Different sets of bonding parameters in the CNDO/2 formalism and various approximations for evaluating the off-diagonal matrix element in the SCC-EH method were employed for a group of thioamides ...