期刊
THIN SOLID FILMS
卷 562, 期 -, 页码 63-69出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2014.03.069
关键词
Electrophoretic deposition; 3D Al current collectors; TiO2 electrodes; Li-ion micro-batteries; Sol-gel synthesis
类别
资金
- Swedish Research Council (VR) [2012-4681]
- Swedish Energy Agency (STEM)
- StandUp for Energy
Electrophoretic deposition of titanium oxide particles, as well as sol-gel synthesis of thin films of TiO2 employing a titanium isopropoxide precursor solution, were studied as possible deposition routes for the coating of aluminium pillar current collectors intended for three-dimensional Li-ion micro-batteries. While electrophoresis of TiO2 particles was homogeneously covering the two-dimensional aluminium substrates, it was difficult to conformally coat the three-dimensional current collectors with this technique. The sol-gel approach, on the other hand, gave rise to thin and amorphous TiO2 layers on the Al rod based current collectors. The latter could be cycled for 100 cycles indicating that such straightforward sol-gel approaches may be used for the manufacturing of 3D electrodes for Li-ion micro-batteries. (C) 2014 Elsevier B.V. All rights reserved.
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