Sökning: "Lithium batteries"

Visar resultat 16 - 20 av 200 avhandlingar innehållade orden Lithium batteries.

  1. 16. 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

  3. 17. Sustainable recycling of Li-ion batteries

    Författare :Jędrzej Piątek; Adam Slabon; Tetyana Budnyak; Reza Younesi; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; batteries; recycling; metal recovery; adsorption; electrochemistry; oorganisk kemi; Inorganic Chemistry;

    Sammanfattning : Lithium-ion batteries (LIBs) play a key role in today’s energy storage sector, finding applications in everyday use electronic devices, like smartphones, laptops or electric vehicles. Despite very good properties, such as high electric capacity and high number of charge-discharge cycles, eventually each battery in the world will be disposed and stored in a landfill, waiting for the opportunity to be recycled. LÄS MER

  4. 18. 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. 19. Advances in the application of an early and selective recovery of lithium from spent lithium-ion batteries via hydrometallurgical methods

    Författare :Léa Rouquette; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; recycling; organic acid.; thermal treatment; Lithium; hydrometallurgy;

    Sammanfattning : In 2020 alone, the use of electric vehicles (EVs) contributed to more than 50 Mt CO2-eq of savings in GHG emissions globally. Given their performance in terms of energy and power density, Lithium-ion batteries (LiBs) are the technology of choice for the success of rapid EV growth. LÄS MER

  7. 20. Wood-based Materials for Lithium-ion Batteries

    Författare :Lu Huiran; Göran Lindbergh; Ann Cornell; Claudio Gerbaldi; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; binder; lignin; TEMPO-oxidized cellulose nanofibrils; flexible paper electrodes; lightweight; eco-friendly; Li-ion batteries; Chemical Engineering; Kemiteknik;

    Sammanfattning : Lithium-ion batteries (LIB) have become very important recently as power sources for portable electronics and electric vehicles. Today non-renewable petroleum-based polymers are used as binders in state-of-the-art LIB. Therefore, it is essential to investigate alternative binders, which are environmentally friendly and inexpensive. LÄS MER