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Enabling Sodium Batteries Using Lithium‐Substituted Sodium Layered Transition Metal Oxide Cathodes
Author(s) -
Kim Donghan,
Kang SunHo,
Slater Michael,
Rood Shawn,
Vaughey John T.,
Karan Naba,
Balasubramanian Mahalingam,
Johnson Christopher S.
Publication year - 2011
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201000061
Subject(s) - materials science , cathode , intercalation (chemistry) , lithium (medication) , oxide , transition metal , sodium , inorganic chemistry , metal , phase (matter) , sodium oxide , chemical engineering , chemistry , metallurgy , organic chemistry , catalysis , medicine , engineering , endocrinology
Layered Na 0.85 Li 0.17 Ni 0.21 Mn 0.64 O 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.