Sökning: "electrolyte characterization"

Visar resultat 21 - 25 av 64 avhandlingar innehållade orden electrolyte characterization.

1. 21. Development and characterization of functional composite materials for advanced energy conversion technologies

   Författare :Liangdong Fan; Bin Zhu; Torsten Fransson; Mahmut D. MAT; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Low temperature ceramic fuel cell; Ceria-carbonate composite; Electrolysis; Transition metal oxide; Symmetrical fuel cells; All-nanocomposite fuel cell; Electrolyte-free fuel cell; Solar cell; ion conductor and semiconductor; SRA - Energy; SRA - Energi;

   Sammanfattning : The solid oxide fuel cell (SOFC) is a potential high efficient electrochemical device for vehicles, auxiliary power units and large-scale stationary power plants combined heat and power application. The main challenges of this technology for market acceptance are associated with cost and lifetime due to the high temperature (700-1000 oC) operation and complex cell structure, i. LÄS MER

3. 22. Tailoring and Characterization of Polymer-linked Fibrillar Structures

   Författare :Maria F. Cortes Ruiz; Lars Wågberg; Peter Olsén; Michael Malkoch; Gil Garnier; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Cellulose nanofibrils; hydrogels; cellulose fibres; functionalisation; structure-property relationships.; Fiber- och polymervetenskap; Fibre and Polymer Science;

   Sammanfattning : The development of sustainable and renewable materials is paramount in today’s society. As the most abundant biopolymer on Earth, cellulose from cellulose-rich fibres is an excellent alternative for advanced and innovative material solutions. LÄS MER

4. 23. Characterization of interfaces by elastic light scattering and profilometry

   Författare :Tomas Lindström; Uppsala universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Materials science; Materialvetenskap; Materials science; Teknisk materialvetenskap; Solid State Physics; fasta tillståndets fysik;

   Sammanfattning : This thesis deals with the characterization of interfaces by elastic light scattering and profilometry. The sensitivity of scattering measurements to surface topography were used in two major ways. It was shown that surface reactions in a liquid-solid interface can be monitored in situ in terms of changes in surface roughness. LÄS MER

5. 24. Structure and dynamics in solution – the core electron perspective

   Författare :Ida Josefsson; Michael Odelius; Håkan Rensmo; Valérie Vallet; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; quantum chemistry; RASSCF; molecular dynamics; x-ray spectroscopy; electrolyte solutions; fysik; Physics;

   Sammanfattning : This thesis is based on theoretical studies of the molecular and electronic structure of solvated ions and molecules. Very detailed information of the system can be obtained from theoretical calculations, but a realistic model is dependent on an accurate computational method. LÄS MER

7. 25. Nanostructured Fuel Cell Catalysts

   Författare :Marie Gustavsson; Chalmers tekniska högskola; []
   Nyckelord :Nafion; thin film evaporation; model catalyst; electrocatalyst; acetic acid oxidation; oxygen reduction; colloidal lithography; PEMFC; screening; Pt; formaldehyde oxidation; methanol oxidation; nanofabrication; CO oxidation; polymer electrolyte; TiOx;

   Sammanfattning : A long term challenge for society is to develop sustainable energy systems to reduce the dependence on fossil fuels and to decrease air pollution. This requires new alternatives regarding the supply of energy and increased efficiency of the future energy systems. Fuel cell technology is one such possible alternative. LÄS MER