Nanostructured lithium nickel manganese oxides for lithium-ion batteries

Haixia Deng, Ilias Belharouak, Russel E. Cook, Huiming Wu, Yang Kook Sun, Khalil Amine

Research output: Contribution to journalArticle

77 Citations (Scopus)

Abstract

Nanostructured lithium nickel manganese oxides were investigated as advanced positive electrode materials for lithium-ion batteries designated to power plug-in hybrid electric vehicles and all-electric vehicles. The investigation included material characterization and electrochemical testing. In cell tests, the Li1.375 Ni0.25 Mn0.75 O 2.4375 composition achieved high capacity (210 mAh g-1) at an elevated rate (230 mA g-1), which makes this material a promising candidate for high energy density Li-ion batteries, as does its being cobalt-free and uncoated. The material has spherical morphology with nanoprimary particles embedded in micrometer-sized secondary particles, possesses a multiphase character (spinel and layered), and exhibits a high packing density (over 2 g cm-3) that is essential for the design of high energy density positive electrodes. When combined with the Li4 Ti 5 O12 stable anode, the cell showed a capacity of 225 mAh g-1 at the C/3 rate (73 mA g-1) with no capacity fading for 200 cycles. Other chemical compositions, Li(1+x) Ni 0.25 Mn0.75 O(2.25+x/2) (0.32 ≤ x ≤ 0.65), were also studied, and the relationships among their structural, morphological, and electrochemical properties are reported.

Original languageEnglish
JournalJournal of the Electrochemical Society
Volume157
Issue number4
DOIs
Publication statusPublished - 26 Mar 2010
Externally publishedYes

Fingerprint

Manganese oxide
nickel oxides
manganese oxides
Nickel
Lithium
electric batteries
lithium
flux density
electric hybrid vehicles
ions
Plug-in hybrid vehicles
packing density
fading
electrode materials
plugs
cells
Electrodes
spinel
micrometers
vehicles

ASJC Scopus subject areas

  • Electrochemistry
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Renewable Energy, Sustainability and the Environment
  • Condensed Matter Physics

Cite this

Nanostructured lithium nickel manganese oxides for lithium-ion batteries. / Deng, Haixia; Belharouak, Ilias; Cook, Russel E.; Wu, Huiming; Sun, Yang Kook; Amine, Khalil.

In: Journal of the Electrochemical Society, Vol. 157, No. 4, 26.03.2010.

Research output: Contribution to journalArticle

Deng, Haixia ; Belharouak, Ilias ; Cook, Russel E. ; Wu, Huiming ; Sun, Yang Kook ; Amine, Khalil. / Nanostructured lithium nickel manganese oxides for lithium-ion batteries. In: Journal of the Electrochemical Society. 2010 ; Vol. 157, No. 4.
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