Enabling sodium batteries using lithium-substituted sodium layered transition metal oxide cathodes

Donghan Kim, Sun Ho Kang, Michael Slater, Shawn Rood, John T. Vaughey, Naba Karan, Mahalingam Balasubramanian, Christopher S. Johnson

Research output: Contribution to journalArticlepeer-review

418 Scopus citations

Abstract

Layered Na 0.85Li 0.17Ni 0.21Mn 0.64O 2 is synthesized and evaluated as a cathode in Na batteries. The resulting P2 crystal structure allows for single-phase reversible Na intercalation reaction demonstrating 100 mAhg -1. The cathode can be discharged with high rate (65 mAhg -1 at 25 C rate). The presence of Li and the electronic ordering of Ni(II)/Mn(IV) in the transition metal layer is responsible for material stability.

Original languageEnglish
Pages (from-to)333-336
Number of pages4
JournalAdvanced Energy Materials
Volume1
Issue number3
DOIs
StatePublished - May 2011

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