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On the electrophoretic and sol-gel deposition of active materials on aluminium rod current collectors for three-dimensional Li-ion micro-batteries
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Inorganic Chemistry.ORCID iD: 0000-0001-9292-016X
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.
2014 (English)In: Thin Solid Films, ISSN 0040-6090, E-ISSN 1879-2731, Vol. 562, 63-69 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2014. Vol. 562, 63-69 p.
Keyword [en]
Electrophoretic deposition, 3D Al current collectors, TiO2 electrodes, Li-ion micro-batteries, Sol-gel synthesis
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-232662DOI: 10.1016/j.tsf.2014.03.069ISI: 000340658100009OAI: oai:DiVA.org:uu-232662DiVA: diva2:749031
Available from: 2014-09-22 Created: 2014-09-22 Last updated: 2017-12-05

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Oltean, GabrielValvo, MarioNyholm, LeifEdström, Kristina

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