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Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.01 vteřin. 
Low Energy Solid-State Converters for Energy Harvesting
 Znbill, Laila ; Husák, Miroslav (oponent) ; Salyk, Ota (oponent) ; Boušek, Jaroslav (vedoucí práce)
Dissertation is focused on low energy transducers for Energy Harvesting. The transducers based on single cell configuration were suggested and prepared for photovoltaic generators operating at low level illumination. A simple and reliable thermo-generator was designed and manufactured using inexpensive production processes and available materials. The original production methods used plasma surface activation by dielectric barrier discharge and modified PEDOT deposition methods. Simple and reliable J-FET driven DC to DC convertors were designed for low voltage applications as thermoelectric generators and single cell photovoltaic cells. They operate from the voltage of few tents of mV and the output voltage could be in the level of several volts. The efficiency is close to 50% and material and production costs are significantly lower in comparison with use of common low power integrated circuits for Energy Harvesting. For control circuit were used bipolar junction transistors which in low current operation mode can have the power supply voltage as low as 0,5 V. The possibility of the production of integrated circuits with extremely low power supply voltage was verified. In this case FET operate in Sub-threshold-mode and Bulk-driven-mode.
Úplný záznam
Low Energy Solid-State Converters for Energy Harvesting
 Znbill, Laila ; Husák, Miroslav (oponent) ; Salyk, Ota (oponent) ; Boušek, Jaroslav (vedoucí práce)
Dissertation is focused on low energy transducers for Energy Harvesting. The transducers based on single cell configuration were suggested and prepared for photovoltaic generators operating at low level illumination. A simple and reliable thermo-generator was designed and manufactured using inexpensive production processes and available materials. The original production methods used plasma surface activation by dielectric barrier discharge and modified PEDOT deposition methods. Simple and reliable J-FET driven DC to DC convertors were designed for low voltage applications as thermoelectric generators and single cell photovoltaic cells. They operate from the voltage of few tents of mV and the output voltage could be in the level of several volts. The efficiency is close to 50% and material and production costs are significantly lower in comparison with use of common low power integrated circuits for Energy Harvesting. For control circuit were used bipolar junction transistors which in low current operation mode can have the power supply voltage as low as 0,5 V. The possibility of the production of integrated circuits with extremely low power supply voltage was verified. In this case FET operate in Sub-threshold-mode and Bulk-driven-mode.
Úplný záznam

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