Nanoarchitecture multi-structural cathode materials for high capacity lithium batteries

Dapeng Wang, Ilias Belharouak, Guangwen Zhou, Khalil Amine

Research output: Contribution to journalArticle

136 Citations (Scopus)

Abstract

Lithium-rich composite cathodes have been extensively investigated for lithium-ion batteries. Nanoarchitecture hydroxide precursor for these cathodes with two levels of particle agglomeration (1-2 μm and 10 μm) is produced using a co-precipitation method. Transmission electron microscopy and X-ray diffraction confirm that the precursor is a composite comprising transition metal hydroxides and Mn3O4. Cathode materials synthesized based on the precursor are "layered (R̄3m)-layered (C2/m)-spinel (Fd̄3m)" composite phase. The electrochemical performance of lithium cells utilizing this material as the cathode is determined to be excellent. Both the layered-layered-spinel composite structure and the nanoarchitecture morphology contribute to the electrochemical performance advantage of this material over other cathode materials. Nanoarchitectured hydroxide precursors with two levels of particle agglomerations are synthesized with a continuously stirred tank reactor. Li- and Mn-rich cathodes with a layer-layer-spinel composite structure inherit the morphology of these precursors and exhibit excellent electrochemical performance.

Original languageEnglish
Pages (from-to)1070-1075
Number of pages6
JournalAdvanced Functional Materials
Volume23
Issue number8
DOIs
Publication statusPublished - 25 Feb 2013
Externally publishedYes

Fingerprint

Lithium batteries
lithium batteries
Cathodes
cathodes
hydroxides
spinel
lithium
composite structures
agglomeration
Composite structures
Lithium
composite materials
Composite materials
Agglomeration
Hydroxides
Coprecipitation
Transition metals
electric batteries
transition metals
reactors

Keywords

  • composite cathodes
  • lithium batteries
  • nanoarchitectures

ASJC Scopus subject areas

  • Biomaterials
  • Electrochemistry
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Nanoarchitecture multi-structural cathode materials for high capacity lithium batteries. / Wang, Dapeng; Belharouak, Ilias; Zhou, Guangwen; Amine, Khalil.

In: Advanced Functional Materials, Vol. 23, No. 8, 25.02.2013, p. 1070-1075.

Research output: Contribution to journalArticle

Wang, Dapeng ; Belharouak, Ilias ; Zhou, Guangwen ; Amine, Khalil. / Nanoarchitecture multi-structural cathode materials for high capacity lithium batteries. In: Advanced Functional Materials. 2013 ; Vol. 23, No. 8. pp. 1070-1075.
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