Národní úložiště šedé literatury Nalezeno 3 záznamů.  Hledání trvalo 0.01 vteřin. 
Technologies for storing electrical energy in electric vehicles
Zdražil, Marek ; Walek, Agata (oponent) ; Langerová, Petra (vedoucí práce)
This bachelors thesis is focused on technologies used for storing electric energy in electric vehicles. The first chapter deals with history of technologies for electric energy storing and their use in early electric vehicles. It continues by description of electric vehicles that were occasionally produced through the 20th century, up to 1990s when this technology became attractive again. The following chapter describes types of electric cars and gives us examples of currently produced cars. The third part deals with technologies used in present and recent past. Subsequently, in the last chapter, there are introduced technologies which might be sufficient substitution to current systems or even to conventional combustion engines in future.
Xrd Analysis Of Chemical Composition On Lead Surface Microelectrodes
Smejkal, Jan
This work is focused on the observation of changes in the chemical composition on thesurface of the negative electrode of the lead-acid battery using an XRD diffractometer. The measurementwas performed on thin pasted electrodes with a thickness of about 1mm. After the maturationand molding process, the fully charged negative electrode was gradually discharged andcharged at a rate of 0.2 C and 0.3 C. The negative electrode was analyzed at 100 %, 80 %, 60 %, 40% 20 % a 0 % SOC states. Chemical changes occurring on the surface of the negative electrode duringdischarging and charging of the lead-acid battery were measured using X-ray diffractometerRigaku MiniFlex HR 600.
Technologies for storing electrical energy in electric vehicles
Zdražil, Marek ; Walek, Agata (oponent) ; Langerová, Petra (vedoucí práce)
This bachelors thesis is focused on technologies used for storing electric energy in electric vehicles. The first chapter deals with history of technologies for electric energy storing and their use in early electric vehicles. It continues by description of electric vehicles that were occasionally produced through the 20th century, up to 1990s when this technology became attractive again. The following chapter describes types of electric cars and gives us examples of currently produced cars. The third part deals with technologies used in present and recent past. Subsequently, in the last chapter, there are introduced technologies which might be sufficient substitution to current systems or even to conventional combustion engines in future.

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