Self-Supported Three-Dimensional Nanoelectrodes for Microbattery Applications
Nano Letters2009Vol. 9(9), pp. 3230–3233
Citations Over TimeTop 10% of 2009 papers
Seng Kian Cheah, Emilie Perre, Mårten Rooth, Mattis Fondell, Anders Hårsta, Leif Nyholm, Mats Boman, Torbjörn Gustafsson, Jun Lü, Patrice Simon, Kristina Edström
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 TiO2 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 architechture compared to a 2D system for the same footprint area.
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