Sökning: "Lithium-ion"

Visar resultat 26 - 30 av 168 avhandlingar innehållade ordet Lithium-ion.

  1. 26. Carbon Fibres for Multifunctional Lithium-Ion Batteries

    Författare :Johan Hagberg; Göran Lindbergh; Dan Zenkert; Juan Vilatela; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Chemical Engineering; Kemiteknik;

    Sammanfattning : The transportation industry today faces many challenges because of the rapid movement towards electrification. One major challenge is the weight of the battery, which limits the effectiveness of the vehicles. LÄS MER

  3. 27. Development of a Novel Method for Lithium-Ion Battery Testing on Heavy-Duty Vehicles

    Författare :Pontus Svens; Mårten Behm; Göran Lindbergh; Per Alvfors; Anders Malmqvist; KTH; []
    Nyckelord :Lithium-ion battery; HEV; field testing; heavy-duty vehicles;

    Sammanfattning : Increasing demands for lower environmental impact from vehicles, including heavy-duty vehicles, have driven several vehicle manufacturers to consider adding hybrid electrical vehicles (HEV’s) to the product portfolio. Present research on batteries for HEV’s is mainly focused on lithium-ion battery chemistries, since lithium-ion batteries has the most promising technical potential compared to other types of batteries. LÄS MER

  4. 28. Pure, Hybrid and Polymerized Ionic Liquid Based Electrolytes For High Temperature Lithium-Ion Battery Application

    Författare :Manfred Kerner; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; ionic liquid; EMIFSI; lithium-ion battery; EMITFSI; high-temperature stability; Pip14TFSI; Pyr13TFSI; electrolyte; LiFSI; polymer;

    Sammanfattning : Today, lithium-ion batteries (LIBs) are ubiquitous in mobile phones, laptops, and other portable devices. Additionally, LIBs are becoming more and more popular for powering hybrid and electric vehicles. LÄS MER

  5. 29. Transition metal dissolution from Li-ion battery cathodes

    Författare :Yonas Tesfamhret; Reza Younesi; Erik J. Berg; Mark Huijben; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Lithium-ion battery; Lithium-ion cathode; Transition metal dissolution; Atomic Layer Deposition; Inductively coupled plasma atomic emission spectroscopy; Cathode-electrolyte interaction; Chemistry with specialization in Inorganic Chemistry; Kemi med inriktning mot oorganisk kemi;

    Sammanfattning : Lithium-ion batteries (LIBs) have become reliable electrochemical energy storage systems due to their relative high energy and power density, in comparison to alternative battery chemistries. The energy density of current LIBs is limited by the average operating voltage and capacity of oxide-based cathode materials containing a variety of transition metals (TM). LÄS MER

  7. 30. Experimental Characterization of Electrodes and Multi-Scale Modeling of Swelling Induced Stresses in Lithium-ion Batteries

    Författare :Priyank Gupta; Peter Gudmundson; Göran Lindbergh; Erik Olsson; Elham Sahraei; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; lithium-ion batteries; mechanical characterization; multiscale modeling; homogenization; Solid Mechanics; Hållfasthetslära;

    Sammanfattning : Over the last few decades, rechargeable lithium-ion batteries have been extensively used in portable instruments due to their high energy density and low self-discharge rate. Recently, lithium-ion batteries have emerged as the most promising candidate for electric vehicles and stationary energy storage. LÄS MER