Search for dissertations about: "water splitting thesis"

Showing result 11 - 15 of 84 swedish dissertations containing the words water splitting thesis.

  2. 11. Advanced silicon photoelectrodes for water splitting devices : design, preparation and functional characterization by photo-electrochemistry and high-energy X-ray spectroscopy

    Author : Anurag Y. Kawde; Johannes Messinger; Pieter Glatzel; Thomas Jaramillo; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Photoelectrochemical cell; photoelectrodes; solar-water splitting; artificial photosynthesis; X-ray absorption and emission spectroscopy;

    Abstract : For the last century, mankind has been hugely dependent on fossil fuels to meet its energy needs. Harnessing energy from fossil fuels led to the emission of greenhouse gases. Greenhouse gases such as CO2 are a major contributor to global warming. READ MORE

  4. 12. Mechanistic Insights into Transition Metal Oxide Catalyzed Water Oxidation

    Author : Michael Busch; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; water oxidation; density functional theory; electrochemistry; water splitting; catalysis; water oxidation;

    Abstract : A binuclear mechanism was proposed and evaluated by means of Density Functional Theory calculations. The central reaction steps were found to be the oxidation of the transition metal TM-OH moieties to TM=O and the subsequent intramolecular O-O bond formation between two TM=O groups. READ MORE

  5. 13. Design of Water Splitting Devices via Molecular Engineering

    Author : Fusheng Li; Licheng Sun; Franc Meyer; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; electrochemical-driven water splitting; artificial photosynthesis; molecular catalysts; Kemi; Chemistry;

    Abstract : Converting solar energyto fuels such as hydrogen by the reaction of water splitting is a promising solution for the future sustainable energy systems. The theme of this thesis is to design water splitting devices via molecular engineering; it concerns the studies of both electrochemical-driven and photo-electrochemical driven molecular functional devices for water splitting. READ MORE

  6. 14. Surface Engineering of BiVO4-based Photoelectrochemical Cells for Water Splitting

    Author : Qijun Meng; Licheng Sun; Jae Sung Lee; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; photoelectrochemical water splitting; photoanodes; bismuth vanadate; surface engineering; Kemi; Chemistry;

    Abstract : Photoelectrochemical (PEC) water splitting is a promising technology for converting solar energy into green hydrogen. The development of highly efficient, robust and cost-effective photoanodes has been established to be of essential importance for PEC water oxidation. READ MORE

  7. 15. Transition Metal-Based Electrocatalysts for Alkaline Water Splitting and CO2 Reduction

    Author : Zhen Qiu; Tomas Edvinsson; Kevin Sivula; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Alkaline water splitting; CO2 reduction; Electrocatalyst; In-situ Raman spectroscopy.; Kemi med inriktning mot materialkemi; Chemistry with specialization in Materials Chemistry;

    Abstract : With excessive usage of fossil fuels and ever-increasing environmental issues, numerous efforts have been devoted to the development of renewable energies for the replacement of traditional fossil fuels to reduce greenhouse gas emission and realize the rapidly growing demand for global energy. Renewable energies, however, often show diurnal and seasonal variations in power output, forming a need for energy storage to meet people’s continuous energy supply. READ MORE