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17–19 Sept 2018
Fakultät für Maschinenwesen der Technischen Universität München
Europe/Berlin timezone

Nanostructured TiO2/SnO2 Templated by Amphiphilic Block Copolymer for Lithium-Ion Battery Anodes

17 Sept 2018, 16:30
1h 30m
Fakultät für Maschinenwesen der Technischen Universität München

Fakultät für Maschinenwesen der Technischen Universität München

Boltzmannstraße 15 85748 Garching b. München
Poster P6 Nanomaterials and nanostructures Poster session 1

Speaker

Ms Shanshan Yin (Technische Universität München)

Description

Lithium-ion batteries (LIBs) have been widely used in many aspects of modern life. Compared with conventional graphite anodes, TiO2 possesses superior cyclic stability and environmental benignity. However, its moderate conductivity and lithium ion migration ability still need to be improved to realize further development. As alternative anode material, SnO2 afforded much higher theoretical specific capacity (1494 mAhg-1) as compared to TiO2. However, the big volume change and the formation of the thick SEI film during the cycling caused serious capacity recession. After comparing the characteristic of TiO2 and SnO2, a novel TiO2/SnO2 composite anode has been designed through amphiphilic block copolymer assisted sol-gel process in the present study. The morphology of the obtained TiO2/SnO2 nanostructures are studied via scanning electron microscopy (SEM), the corresponding crystallization behavior is investigated with X-ray powder diffraction (XRD).

Primary author

Ms Shanshan Yin (Technische Universität München)

Co-author

Prof. Peter Müller-Buschbaum ( Technische Universität München)

Presentation materials

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