Avancerad sökning

Visar resultat 1 - 5 av 14 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. Electrochemical and electronic devices based on low bandgap polymers

    Författare :Miaoxiang Chen; Qibing Pei; Linköpings universitet; []
    Nyckelord :TECHNOLOGY; TEKNIKVETENSKAP;

    Sammanfattning : The research field of the organic electronics includes light emitting diodes (OLEDs), field-effect transistors (OFETs), polymer photovoltaic cells (PVCs), polymer lasers and electrochemical devices. Recently, organic materials are envisaged for spintronics. LÄS MER

  3. 2. Design of Water Splitting Devices via Molecular Engineering

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

    Sammanfattning : 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. LÄS MER

  4. 3. Energy efficiency in the sodium chlorate process: From electrocatalysis to pilot plant investigations

    Författare :Kristoffer Hedenstedt; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Sodium chlorate; corrosion; mild steel; goethite; lepidocrocite; green rust; hypochlorite reduction; hydrogen evolution; in situ electrochemical Raman spectroscopy;

    Sammanfattning : Sodium chlorate is an important industrial chemical produced through an electrochemical manufacturing process. The global production rate is 3.6 million tons annually and consumes approximately 20 TWh of electrical power. The majority of the produced sodium chlorate is used as raw material to make chlorine dioxide for the bleaching of kraft pulp. LÄS MER

  5. 4. Application of Rare-Earth Doped Ceria and Natural Minerals for Solid Oxide Fuel Cells

    Författare :Yanyan Liu; Andrew R. Martin; Wujun Wang; Shanwen Tao; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Low-temperature solid oxide fuel cells; Doped ceria; Material characterizations; Electrochemical performances; Natural minerals; Lågtemperatur fastoxidbränsleceller; Dopade ceriumoxid; Materialkarakteriseringar; Elektrokemiska prestanda; Naturliga mineraler.; Energy Technology; Energiteknik; Teknisk materialvetenskap; Materials Science and Engineering; Chemical Engineering; Kemiteknik;

    Sammanfattning : Although solid oxide fuel cell (SOFC) technology exhibits considerable advantages as compared to other energy conversion devices, e.g. high efficiency, low emission and fuel flexibility, its high operating temperature leads to rapid component degradation and has thus hampered commercialization. LÄS MER

  7. 5. High-performance Load-bearing Alloys

    Författare :Guo-Hua Zhao; Annika Borgenstam; Konstantinos Georgarakis; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Teknisk materialvetenskap; Materials Science and Engineering;

    Sammanfattning : The aim of this thesis is to study advanced metallic alloys as load-bearing componentsfor engineering and biomedical applications. The investigations have been focusing onthe improvement of the properties and performance of existing materials as well assynthesizing and developing completely new materials. LÄS MER