Sökning: "iron electrodes"

Visar resultat 1 - 5 av 23 avhandlingar innehållade orden iron electrodes.

  1. 1. Rechargeable Aqueous Batteries Based on Available Resources : Investigation and Development towards Efficient Battery Performance

    Författare :Mylad Chamoun; Dag Noréus; Gunnar Svensson; Jekabs Grins; Ann Mari Svensson; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; rechargeable aqueous batteries; alkaline electrolytes; aqueous sulfate electrolytes; zinc electrodes; manganese dioxide electrodes; iron electrodes; air electrodes; oxygen electrocatalysts; Inorganic Chemistry; oorganisk kemi;

    Sammanfattning : Batteries employing water based electrolytes enable extremely low manufacturing costs and are inherently safer than Li-ion batteries. Batteries based on zinc, manganese dioxide, iron, and air have high energy relevancy, are not resource restricted, and can contribute to large scale energy storage solutions. LÄS MER

  3. 2. Iron Based Materials for Positive Electrodes in Li-ion Batteries : Electrode Dynamics, Electronic Changes, Structural Transformations

    Författare :Andreas Blidberg; Fredrik Björefors; Torbjörn Gustafsson; Carl Tengstedt; Miran Gaberšček; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Li-ion; batteries; electrochemistry; iron; LiFeSO4F; Li2FeP2O7; PEDOT; Chemistry with specialization in Inorganic Chemistry; Kemi med inriktning mot oorganisk kemi;

    Sammanfattning : Li-ion battery technology is currently the most efficient form of electrochemical energy storage. The commercialization of Li-ion batteries in the early 1990’s revolutionized the portable electronics market, but further improvements are necessary for applications in electric vehicles and load levelling of the electric grid. LÄS MER

  4. 3. LiFePO4-coated carbon fiber electrodes for structural batteries

    Författare :Yasemin Duygu Yucel; Göran Lindbergh; Rakel Wreland Lindström; Dan Zenkert; Srinivasan Madhavi; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Lithium-ion battery; structural batteries; positive electrodes; PAN-based carbon fibers; lithium iron phosphate; Litiumjonbatteri; strukturella batterier; positiva elektroder; PAN-baserade kolfibrer; litiumjärnfosfat; Chemical Engineering; Kemiteknik;

    Sammanfattning : Lithium-ion batteries (LIBs) have a central role in products, from portable devices to large-scale energy storage for the electric grid and continue to undergo rapid development. The surge in electric vehicles has intensified the focus on technological advancements and new-generation technologies. LÄS MER

  5. 4. Charge Transport Properties in Nanostructured Electrodes of Metal Oxides

    Författare :Niclas Beermann; James Durrant; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Physics; Iron oxide; titanium dioxide; nanostructured; photoelectrochemistry; charge transport; morphology; incorporation; Fysik; Physics; Fysik; Physical Chemistry; fysikalisk kemi;

    Sammanfattning : In the last decade research in the field of nanostructured metal oxide thin film electrodes for various applications, e.g., solar cells and hydrogen production, has been of great interest. In this thesis, interfacial and bulk electrochemical properties and charge transport properties of nanostructured thin films have been investigated. LÄS MER

  7. 5. Low temperature growth of carbon nanotubes

    Författare :Staffan Dittmer; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; acetylene; iron catalyst; low temperature growth; electric field alignment; chemical vapor deposition; tungsten electrodes; ethylene; on-clip growth; localised resistive heating; carbon nanotubes;

    Sammanfattning : .... LÄS MER