Sökning: "Cobalt"

Visar resultat 1 - 5 av 170 uppsatser innehållade ordet Cobalt.

  1. 1. Investigation of the Microstructure of Plastically Deformed Cemented Carbide

    Master-uppsats, KTH/Materialvetenskap

    Författare :Felicia Larsson; [2023]
    Nyckelord :;

    Sammanfattning : During machining operation, cemented carbide tools are exposed to high loads and temperatures, which eventually leads to plastic deformation of the tool material. The aim of this work was to investigate if the microstructures of creep deformed micro grain cemented carbides can be linked to alloying elements and mechanical properties. LÄS MER

  3. 2. Discharge and Flame Chemistry in Lithium-Ion Battery Vent Gases : Investigations using Breakdown Experiments with Laser-Based Diagnostics

    Master-uppsats, Lunds universitet/Förbränningsfysik; Lunds universitet/Fysiska institutionen

    Författare :Julia Lövgren; [2023]
    Nyckelord :PLIF; Laser-induced fluorescence; Laser-based diagnostics; Combustion; Lithium-ion battery; Physics and Astronomy;

    Sammanfattning : Due to the environmental impact of fossil fuels, there has been a growing interest in lithium-ion batteries for electric vehicles. However, safety concerns have arisen regarding potential fire hazards associated with the vent gases of these batteries. LÄS MER

  4. 3. Fällning av Råmaterial för Batteriåtervinning

    Kandidat-uppsats, KTH/Kemiteknik

    Författare :Aran Nur; Axel Bergvall; Gustaf Forsberg; Nemrit Kaur; [2023]
    Nyckelord :Battery recycling; Precipitation; Sustainability; Metal recovery; Simultaneous crystallization;

    Sammanfattning : This report explores simultaneous crystallization in multicomponent solutions to intensification of metal recovery in lithium-ion batteries. The main focus is to evaluate and compare the efficiency of sodium hydroxide and sodium carbonate as precipitating agents in recovering cobalt, nickel, manganese and lithium. LÄS MER

  5. 4. Power in the Age of the Green Energy Transition: Multinational Corporations, the State, and Cobalt in the Democratic Republic of Congo

    Master-uppsats, Lunds universitet/Statsvetenskapliga institutionen

    Författare :Wilma Arvidsson; [2023]
    Nyckelord :cobalt; Democratic Republic of Congo; Glencore; multinational corporations; green energy transition; Law and Political Science;

    Sammanfattning : This thesis investigates the power balance between states and multinational corporations, and how the green energy transition impacts this balance, a connection commonly overlooked by researchers. I have sought to remedy this gap by conducting a qualitative case study of the relationship between the Democratic Republic of Congo, which holds the majority of global cobalt reserves, and major cobalt producer Glencore. LÄS MER

  7. 5. A Petrographic and Paragenetic Characterization of the Ertelien Ni-Cu Deposit (Norway)

    Master-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Alena Niarezka; [2023]
    Nyckelord :Ertelien Ni-Cu deposit; ore geology; enrichment processes; nickel; cobalt; copper; optical microscopy; electron probe micro-analysis; critical metals; Ertelien Ni-Cu fyndighet; malmgeologi; anrikningsprocesser; nickel; kobolt; koppar; optisk mikroskopi; elektronsondsmikroanalys; kritiska metaller;

    Sammanfattning : The escalating demand for metals driven by advancements in renewable energy technologies and hightech products has underscored the significance of understanding and characterizing ore deposits. This study focuses on the Ertelien Ni-Cu deposit in Norway, a region rich in nickel, cobalt, and copper resources—essential components for the transition to a sustainable energy future. LÄS MER