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Influence of carbon on possitive electrode of Ni-Cd accumulators
Janečka, Marek ; Dvořák, Petr (referee) ; Chladil, Ladislav (advisor)
Master’s thesis is deals with the effect of carbon additives on the positive electrode in the NiCd batteries. It examines whether the positive electrode material enrichment of carbon additives to achieve improved internal parameters of conductivity and better contact with the electrode materials in a discharged. Galvanostatic cycling and electro-chemical impedance spectroscopy (EIS) are used for evaluation of graphite aditives.
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Starting Battery
Bureš, Jan ; Huzlík, Rostislav (referee) ; Hájek, Vítězslav (advisor)
This bachelorś thesis is dealing with starting acumulators made for cars. The purpose of this work is to serve as a study material for the future years students. It familiarize in details with lead acumulator, its history, constructlion, the chemical process and with other kinds of lead acumulators and with new starting acumulators development.
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The influence of zinc ion on possitive elektrode of Ni-Zn accumulators
Karásek, Stanislav ; Novák, Vítězslav (referee) ; Chladil, Ladislav (advisor)
This thesis deals with the establishment of zinc ions at the positive electrode of nickel-zinc batteries. The aim of the study was to measure the impedance characteristics of the positive electrode in various states of charge and observing the effect of ZnO on the changes of impedance spectra. The theoretical part is focused on nickel hydroxide as a construction material for positive electrode and its behavior during cycling in the electrolyte. The experimental part describes in detail the manufacture of the electrode system and the preparation of electrolytes with different degrees of saturation with zinc oxide. The cells were cycled and measured using impedance spectroscopy. The measured impedance curves were simulated with equivalent circuits for a better understanding of the ongoing processes.
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Starting Battery
Bureš, Jan ; Huzlík, Rostislav (referee) ; Hájek, Vítězslav (advisor)
This bachelorś thesis is dealing with starting acumulators made for cars. The purpose of this work is to serve as a study material for the future years students. It familiarize in details with lead acumulator, its history, constructlion, the chemical process and with other kinds of lead acumulators and with new starting acumulators development.
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The influence of zinc ion on possitive elektrode of Ni-Zn accumulators
Karásek, Stanislav ; Novák, Vítězslav (referee) ; Chladil, Ladislav (advisor)
This thesis deals with the establishment of zinc ions at the positive electrode of nickel-zinc batteries. The aim of the study was to measure the impedance characteristics of the positive electrode in various states of charge and observing the effect of ZnO on the changes of impedance spectra. The theoretical part is focused on nickel hydroxide as a construction material for positive electrode and its behavior during cycling in the electrolyte. The experimental part describes in detail the manufacture of the electrode system and the preparation of electrolytes with different degrees of saturation with zinc oxide. The cells were cycled and measured using impedance spectroscopy. The measured impedance curves were simulated with equivalent circuits for a better understanding of the ongoing processes.
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Influence of carbon on possitive electrode of Ni-Cd accumulators
Janečka, Marek ; Dvořák, Petr (referee) ; Chladil, Ladislav (advisor)
Master’s thesis is deals with the effect of carbon additives on the positive electrode in the NiCd batteries. It examines whether the positive electrode material enrichment of carbon additives to achieve improved internal parameters of conductivity and better contact with the electrode materials in a discharged. Galvanostatic cycling and electro-chemical impedance spectroscopy (EIS) are used for evaluation of graphite aditives.
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