Search for dissertations about: "solid electrolyte interphase"

Showing result 1 - 5 of 20 swedish dissertations containing the words solid electrolyte interphase.

2. 1. Modelling the Molecular World of Electrolytes and Interfaces : Delving into Li-Metal Batteries

   Author : Mahsa Ebadi; Daniel Brandell; Tejs Vegge; Uppsala universitet; []
   Keywords : Li-metal battery; solid polymer electrolyte; density functional theory; molecular dynamics simulation; solid electrolyte interphase;

   Abstract : Lithium metal batteries (LMBs) are potential candidates for powering portable electronic devices and for electromobility. However, utilizing the reactive Li metal electrode means tackling serious challenges in terms of safety risks. READ MORE

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

   Author : Katarzyna Ciosek Högström; Kristina Edström; Håkan Rensmo; Leif Nyholm; John Owen; Uppsala universitet; []
   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. 3. Non-aqueous Electrolytes and Interfacial Chemistry in Lithium-ion Batteries

   Author : Chao Xu; Torbjörn Gustafsson; Kristina Edström; Daniel Brandell; Brett Lucht; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Lithium-ion batteries; electrolyte; electrolyte additives; electrochemistry; interfacial chemistry; Kemi med inriktning mot materialkemi; Chemistry with specialization in Materials Chemistry;

   Abstract : Lithium-ion battery (LIB) technology is currently the most promising candidate for power sources in applications such as portable electronics and electric vehicles. In today's state-of-the-art LIBs, non-aqueous electrolytes are the most widely used family of electrolytes. READ MORE

6. 4. Elucidating Chemical and Electrochemical Side-Reaction Mechanisms in Li-ion Batteries

   Author : Neeha Gogoi; Erik Berg; M. Rosa Palacín; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Lithium-ion battery; solid electrolyte interphase; electrolyte additives; reaction mechanism; ethylene carbonate; vinylene carbonate; tris trimethylsilyl phosphate; surface enhanced Raman spectroscopy; Kemi med inriktning mot materialkemi; Chemistry with specialization in Materials Chemistry;

   Abstract : Lithium-ion batteries constitute a leading technology that plays a major role in the transition towards sustainable transportation and power generation. The stability of modern batteries relies on a passivation layer formed on the negative electrode known as the solid electrolyte interphase (SEI). READ MORE

7. 5. Anti-Ageing Strategies : How to avoid failure in sodium-ion batteries

   Author : Le Anh Ma; Reza Younesi; Daniel Brandell; Laurent Duda; Philipp Adelhelm; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; sodium-ion batteries; manganese-based cathodes; solid electrolyte interphase; ageing mechanism; Chemistry with specialization in Inorganic Chemistry; Kemi med inriktning mot oorganisk kemi;

   Abstract : In order to move away from fossil fuels, batteries are one of the most important technologies to store energy from renewable sources. The rapid demands of battery applications put pressure on supply chains of raw materials, such as lithium, nickel, copper, aluminium and cobalt. READ MORE