Sökning: "rechargeable lithium batteries"

Visar resultat 1 - 5 av 23 avhandlingar innehållade orden rechargeable lithium batteries.

  1. 1. Advanced Materials for Rechargeable Lithium Batteries

    Författare :Jae-Kwang Kim; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Rechargeable lithium battery; rate capability; Organic electrode; cycle stability.; Ionic liquid-based polymer electrolyte; electrochemical stability;

    Sammanfattning : Lithium rechargeable batteries have gained much attention in the pursuit for alternative energy sources because of advantages such as high energy density and high electric potential. In addition, the development of low-cost materials has been of interest to reduce the cost of batteries, especially those destined for transportation applications such as electric (EVs) or hybrid-electric vehicles (HEVs). LÄS MER

  3. 2. Fiber Optic Sensors for Monitoring of Lithium- and Sodium-ion Batteries

    Författare :Jonas Hedman; Fredrik Björefors; Daniel Brandell; Alexis Grimaud; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Evanescent waves; Fiber optic evanescent wave sensors; Fiber optic sensors; Graphite; Hard carbon; LiBOB; Lithium iron phosphate; Lithium manganese oxide; Lithium plating; Lithium-ion batteries; Prussian white; Sodium plating; Sodium-ion batteries; Kemi med inriktning mot materialkemi; Chemistry with specialization in Materials Chemistry;

    Sammanfattning : Rechargeable batteries, particularly lithium-ion batteries, have rapidly evolved since their introduction and now dominate the market, owing primarily to their high energy and power densities. With growing demand for high-performance batteries in portable electronics and electric vehicles, the need for safe, efficient, and reliable batteries is crucial. LÄS MER

  4. 3. Kinetic investigation of LiMn2O4 for rechargeable lithium batteries

    Författare :Anna-Karin Hjelm; KTH; []
    Nyckelord :linear sweep voltammetry; electrochemical impedance spectroscopy; potential step; in situ X-ray diffraction; microelectrodes; electrode kinetics; LiMn2O4 cathode; rechargeable lithium batteries;

    Sammanfattning : This thesis is concerned with kinetic characterisation of theinsertion compound LiMn2O4, which is used as positive electrodematerial in rechargeable lithium batteries. Three different typesof electrode configurations have been investigated, namely singleparticles, thin films and composite electrodes. Differentelectrochemical techniques, i.e. LÄS MER

  5. 4. Titanium-Based Negative Electrode Materials for Rechargeable Batteries : In Search of the Redox Reactions

    Författare :Tatiana Koriukina; Kristina Edström; Egbert Figgemeier; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Lithium-ion batteries; sodium-ion batteries; MXenes; perovskite oxides; redox reactions; XPS; Kemi med inriktning mot materialkemi; Chemistry with specialization in Materials Chemistry;

    Sammanfattning : Rechargeable batteries, particularly, lithium-ion batteries (LIBs) have proven to be stable and reliable energy storage devices over the past few decades. The rapid demands regarding battery applications and the pressure to move away from the fossil fuel era drive the search for new materials for better rechargeable batteries for electric vehicles, renewable energy storage, and portable electronics. LÄS MER

  7. 5. Highly Concentrated Electrolytes for Rechargeable Lithium Batteries

    Författare :Viktor Nilsson; Kristina Edström; Patrik Johansson; Reza Younesi; Serena Corr; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Li-ion battery; SEI; Highly concentrated electrolyte; Al dissolution; Li metal battery; ion transport; Kemi med inriktning mot materialkemi; Chemistry with specialization in Materials Chemistry;

    Sammanfattning : The electrolyte is a crucial part of any lithium battery, strongly affecting longevity and safety. It has to survive rather severe conditions, not the least at the electrode/electrolyte interfaces. LÄS MER