Search for dissertations about: "solid electrolyte"

Showing result 1 - 5 of 133 swedish dissertations containing the words solid electrolyte.

2. 1. Electrolyte : Semiconductor Combinations for Organic Electronic Devices

   Author : Elias Said; Magnus Berggren; Xavier Crispin; Gilles Horowitz; Linköpings universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Electrochemistry; Elektrokemi;

   Abstract : The discovery of semi-conducting organic materials has opened new possibilities for electronic devices and systems because of their solution processibility, lightweight and flexibility compared to inorganic semiconductors. The combination of semiconductors with electrolytes, and more especially organic semiconductors and solid electrolytes has attracted the attention of researchers because of the multiple phenomena originating from the simultaneous motion of electrons and ions. READ MORE

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

   Author : Elham Hosseini Bab Anari; Chalmers tekniska högskola; []
   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

5. 3. Point defects and ion conduction in solid oxides: a first-principles case study of La2Zr2O7

   Author : Joakim Nyman; Chalmers tekniska högskola; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; proton; self compensation; hydrogen economy; DFT; La2Zr2O7; acceptor doping; lanthanum zirconate; oxygen vacancy; SOFC; pyrochlore; point defect; trapping; computational methods; solid oxide; charge compensation; first principles; ion conduction; solid oxide fuel cell; ceramic electrolyte; defect cluster; fuel cell; hydrogen;

   Abstract : In the endeavor to attain a clean environment and sustainable energy consumption, the notion of a future hydrogen economy stands out as one of the grandest visions. Striving for this vision, a critical task lies in optimizing the performance of the fuel-cell devices responsible for extracting electric power from the energy stored in hydrogen molecules. READ MORE

6. 4. 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

7. 5. Dual-ion Conducting Nanocompoiste for Low Temperature Solid Oxide Fuel Cell

   Author : Xiaodi Wang; Mamoun Muhammed; Zhu Bin; Peter Lund; KTH; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fuel cell; Nano; Composite; Conducting; Electrolyte; SRA - Energy; SRA - Energi;

   Abstract : Solid oxide fuel cells (SOFCs) are considered as one of the most promising power generation technologies due to their high energy conversion efficiency, fuel flexibility and reduced pollution. There is a broad interest in reducing the operating temperature of SOFCs. READ MORE