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Influence of Al ionts in nickel hydroxide on behaviour of electrodes

By Tomáš Růžička

Abstract

This master's thesis is concerned with the influence of aluminate ions added in various concentrations into the structure of nicel hydroxide that creates Ni-Cd accumulators positive electrode active mass basis nowadays. Nicel hydroxide occurs in two basic modifications ? and ß. Nowadays used ß modification reaches low capacity in comparison with ? modification. The disadvantage of ? modification is its instability and gradual degradation to ß modification. The aim of this diploma paper is to select the optimal amount of aluminate additives into the structure of nicel hydroxide with regard to electrochemical efficiency, stability, and degradation degree of the accumulated layer

Topics: cyklická voltametrie; cyclic voltammetry; impedance spectroscopy.; Ni-Cd accumulators; nicel hydroxide; electrodeposition; impedanční spektroskopie.; Ni-Cd akumulátory; hydroxid nikelnatý; elektrodepozice
Publisher: Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií
Year: 2010
OAI identifier: oai:invenio.nusl.cz:218707
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