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Nanoarchitectured 3D cathodes for Li-ion microbatteries.

Shaijumon, Manikoth M; Perre, Emilie; Daffos, Barbara; Taberna, Pierre-Louis; Tarascon, Jean-Marie; Simon, Patrice.

Adv Mater ; 22(44): 4978-81, 2010 Nov 24.

Article in English | MEDLINE | ID: mdl-20839250

Subject(s)

Electric Power Supplies , Lithium/chemistry , Nanostructures/chemistry , Electrodes , Miniaturization , Nanostructures/ultrastructure

Self-supported three-dimensional nanoelectrodes for microbattery applications.

Cheah, Seng Kian; Perre, Emilie; Rooth, Mårten; Fondell, Mattis; Hårsta, Anders; Nyholm, Leif; Boman, Mats; Gustafsson, Torbjörn; Lu, Jun; Simon, Patrice; Edström, Kristina.

Nano Lett ; 9(9): 3230-3, 2009 Sep.

Article in English | MEDLINE | ID: mdl-19572733

ABSTRACT

A nanostructured three-dimensional (3D) microbattery has been produced and cycled in a Li-ion battery. It consists of a current collector of aluminum nanorods, a uniform layer of 17 nm TiO(2) covering the nanorods made using ALD, an electrolyte and metallic lithium counter electrode. The battery is electrochemically cycled more than 50 times. The increase in total capacity is 10 times when using a 3D architecture compared to a 2D system for the same footprint area.

Subject(s)

Electric Power Supplies , Lithium/chemistry , Metal Nanoparticles/chemistry , Aluminum/chemistry , Electrochemistry , Electrodes , Materials Testing , Nanotechnology , Nanotubes/chemistry , Particle Size , Surface Properties , Titanium/chemistry

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