uu.seUppsala University Publications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Tailoring the Microstructure and Electrochemical Performance of 3D Microbattery Electrodes Based on Carbon Foams
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, Structural Chemistry.
Stockholm Univ, Dept Mat & Environm Chem, Arrhenius laboratory, Stockholm, Sweden.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Inorganic Chemistry.ORCID iD: 0000-0001-9292-016X
Show others and affiliations
2019 (English)In: Energy Technology, ISSN 0829-7681, E-ISSN 2057-4215, Vol. 7, no 10, article id UNSP 1900797Article in journal (Refereed) Published
Abstract [en]

Three‐dimensional (3D) carbon electrodes with suitable microstructural features and stable electrochemical performance are required for practical applications in 3D lithium (Li)‐ion batteries. Herein, the optimization of the microstructures and electrochemical performances of carbon electrodes derived from emulsion‐templated polymer foams are dealt with. Exploiting the rheological properties of the emulsion precursors, carbon foams with variable void sizes and specific surface areas are obtained. Carbon foams with an average void size of around 3.8 μm are produced, and improvements are observed both in the coulombic efficiency and the cyclability of the carbon foam electrodes synthesized at 2200 °C. A stable areal capacity of up to 1.22 mAh cm−2 (108 mAh g−1) is achieved at a current density of 50 μA cm−2. In addition, the areal capacity remains almost unaltered, i.e., 1.03 mAh cm−2 (91 mAh g−1), although the cycling current density increases to 500 μA cm−2 indicating that the materials are promising for power demanding applications.

Place, publisher, year, edition, pages
2019. Vol. 7, no 10, article id UNSP 1900797
Keywords [en]
carbon foams, emulsions, lithium-ion storage, microbatteries, three-dimensional
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-393356DOI: 10.1002/ente.201900797ISI: 000481541100001OAI: oai:DiVA.org:uu-393356DiVA, id: diva2:1352825
Funder
Swedish Research Council, 2012-4681Swedish Energy AgencyStandUpKnut and Alice Wallenberg FoundationAvailable from: 2019-09-19 Created: 2019-09-19 Last updated: 2019-11-04Bibliographically approved
In thesis
1. The multifunctional role of carbon in electrochemical energy storage: Graphitic foams for 3D microbatteries and dual-ion batteries
Open this publication in new window or tab >>The multifunctional role of carbon in electrochemical energy storage: Graphitic foams for 3D microbatteries and dual-ion batteries
2019 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Uppsala: Uppsala universitet, 2019
National Category
Materials Chemistry
Identifiers
urn:nbn:se:uu:diva-396384 (URN)
Presentation
2019-11-25, Häggsalen, Ångström Laboratory, 13:15 (English)
Opponent
Supervisors
Available from: 2019-11-12 Created: 2019-11-04 Last updated: 2019-11-12Bibliographically approved

Open Access in DiVA

No full text in DiVA

Other links

Publisher's full text

Authority records BETA

Asfaw, Habtom DestaKotronia, AntoniaNyholm, LeifEdström, Kristina

Search in DiVA

By author/editor
Asfaw, Habtom DestaKotronia, AntoniaNyholm, LeifEdström, Kristina
By organisation
Structural ChemistryInorganic Chemistry
In the same journal
Energy Technology
Materials Chemistry

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 79 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf