Enabling Sodium Batteries Using Lithium-Substituted Sodium Layered Transition Metal Oxide Cathodes

被引:411
作者
Kim, Donghan [2 ]
Kang, Sun-Ho [2 ]
Slater, Michael [2 ]
Rood, Shawn [2 ]
Vaughey, John T. [2 ]
Karan, Naba [1 ]
Balasubramanian, Mahalingam [1 ]
Johnson, Christopher S. [2 ]
机构
[1] Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Argonne, IL 60439 USA
[2] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA
基金
美国能源部; 加拿大自然科学与工程研究理事会;
关键词
ELECTRODES; LI; NA; MN;
D O I
10.1002/aenm.201000061
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
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. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:333 / 336
页数:4
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