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Grants

TOPIC: Mesoscopic electrode materials.
TOPIC: Electrochemical conversion and accumulation of energy.

Study and optimization of inorganic nanomaterials for capacitive and insertion alkali metals storage

2015-2017

GA15-06511S, Grant Agency of the Czech Republic

Project Study and optimization of inorganic nanomaterials for capacitive and insertion alkali metal storage is focused on a study of the alkali metal storage mechanism in nanomaterials based on TiO2 and ternary alkali metal-Ti oxides, respectively. Nanocrystalline oxides with different particle sizes will be prepared by sol gel and solid state methods, characterized by XRD, adsorption measurements, Raman spectroscopy and SEM. Alkali metal accommodation mechanism in a host structure will be studied by electrochemical methods with aim to correlate ratio of capacitive/insertion alkali metal storage contribution with particle size and crystal structure. In parallel host structural changes will be studied in dependence on alkali metal concentration and host lattice sites occupied by alkali metal will be identified. Explanation of the structure and particle size influence on accommodation mechanism will enable controlled preparation of nanocrystalline inorganic oxides tailored for applications requiring either fast charge/discharge (capacitor) or long term stable energy supply (battery). Keywords in English nanomaterials; lithium titanium spinel; titanium dioxide; Li, Na insertion; capacitive charge storage; batteries

    RNDr. ZUKALOVÁ MarkÊta, Ph. D.

    Department: Department of Electrochemical Materials
    Phone: (+420) 26605 3985
    Fax: (+420) 286582307
    E-mail: marketa.zukalovaatjh-inst.cas.cz
    Room: 518


http://www.rvvi.cz/cep?ss=detail&n=0&h=GA15-06511S


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