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A Li-Ion Microbattery with 3D Electrodes of Different Geometries
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry. (Structural Chemistry)
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry. (Structural Chemistry)ORCID iD: 0000-0001-5861-4281
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. (Structural Chemistry)
2014 (English)In: ECS Electrochemistry Letters, ISSN 2162-8734, Vol. 3, no 6, A54-A57 p.Article in journal (Refereed) Published
Abstract [en]

A Li-ion microbattery comprising three-dimensional (3D) electrodes of different geometries is reported. While aluminum nanorods are used as the negative electrode a 3D carbon matrix with a larger surface area is used as support for the LiFePO4 positive electrode to compensate for the difference in the specific energy densities between LiFePO4 and Al. No difference in cycling behavior was observed for cells containing delithiated (Al) or partially lithiated (LixAl) nanorods as the negative electrode. The present electrode geometry concept is particularly promising for the design of Li-ion microbatteries in which 3D electrode materials with different specific energy densities are employed.

Place, publisher, year, edition, pages
2014. Vol. 3, no 6, A54-A57 p.
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-224060DOI: 10.1149/2.003406eelISI: 000336012400005OAI: oai:DiVA.org:uu-224060DiVA: diva2:715149
Available from: 2014-04-30 Created: 2014-04-30 Last updated: 2014-12-15

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Publisher's full texthttp://eel.ecsdl.org/content/3/6/A54.abstract

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Oltean, GabrielDesta Asfaw, HabtomNyholm, LeifEdström, Kristina

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