Search for dissertations about: "safer electrolyte"

Showing result 1 - 5 of 12 swedish dissertations containing the words safer electrolyte.

  1. 1. Toward Safer Energy Storage Solution by Development of Fluorine-Free Battery Electrolyte

    University dissertation from Gothenburg : Chalmers tekniska högskola

    Author : Elham Hosseini Bab Anari; [2017]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; sodium-ion batteries SIBs ; aqueous electrolyte; lithium-ion batteries LIBs ; safer electrolyte; fluorine-free salt;

    Abstract : Portable electronic devices such as mobile phones, laptops, cameras and electronic vehicles (EVs) which contain lithium-ion batteries (LIBs), are indispensable part of our modern society. The safety of conventional electrolytes of LIBs, composed of fluorinated lithium salts and organic solvents is the source of some concerns. READ MORE

  2. 2. Synthesis of Novel Fluorine-Free Salts for Battery Electrolytes

    University dissertation from Gothenburg : Chalmers tekniska högskola

    Author : Elham Hosseini Bab Anari; [2019]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; solid state electrolyte; aqueous electrolyte; lithium-ion batteries LIBs ; safer electrolyte; ionic liquid based electrolyte; water-in-bisalt WiBS electrolyte.; sodium-ion batteries SIBs ; fluorine-free salt;

    Abstract : Nowadays lithium-ion batteries (LIBs) are the dominant power sources of portable electronic devices such as mobile phones, laptops and cameras. Although recently their applications have extended to areas of electromobility and hybridization of vehicle, cost and safety issues remain as big obstacles for a smoother implementation. READ MORE

  3. 3. Towards Safer Lithium-Ion Batteries

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Marie Herstedt; Uppsala universitet.; [2003]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Inorganic chemistry; lithium-ion batteries; photoelectron spectroscopy; surface film; thermal stability; electrolyte additive; graphite; lithium iron phosphate; Oorganisk kemi; NATURAL SCIENCES Chemistry Inorganic chemistry; NATURVETENSKAP Kemi Oorganisk kemi; Inorganic Chemistry; oorganisk kemi;

    Abstract : Surface film formation at the electrode/electrolyte interface in lithium-ion batteries has a crucial impact on battery performance and safety. This thesis describes the characterisation and treatment of electrode interfaces in lithium-ion batteries. READ MORE

  4. 4. The Complex Nature of the Electrode/Electrolyte Interfaces in Li-ion Batteries Towards Understanding the Role of Electrolytes and Additives Using Photoelectron Spectroscopy

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Katarzyna Ciosek Högström; Uppsala universitet.; [2014]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Li-ion battery; LiFePO4 graphite cell; interface; electrolyte additives; solid electrolyte interphase SEI ; photoelectron spectroscopy PES ; synchrotron; Chemistry with specialization in Inorganic Chemistry; Kemi med inriktning mot oorganisk kemi;

    Abstract : The stability of electrode/electrolyte interfaces in Li-ion batteries is crucial to the performance, lifetime and safety of the entire battery system. In this work, interface processes have been studied in LiFePO4/graphite Li-ion battery cells. READ MORE

  5. 5. Functional Polymer Electrolytes for Multidimensional All-Solid-State Lithium Batteries

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Bing Sun; Uppsala universitet.; [2015]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Polymer electrolyte; Li-battery; 3D-microbattery; Functionalization; Polyether; Polycarbonate; Copolymer; Kemi med inriktning mot materialkemi; Chemistry with specialization in Materials Chemistry;

    Abstract : Pressing demands for high power and high energy densities in novel electrical energy storage units have caused reconsiderations regarding both the choice of battery chemistry and design. Practical concerns originating in the conventional use of flammable liquid electrolytes have renewed the interests of using solvent-free polymer electrolytes (SPEs) as solid ionic conductors for safer batteries. READ MORE