Prospects for spinel-stabilized, high-capacity lithium-ion battery cathodes

JOURNAL OF POWER SOURCES

卷:334

Article

Croy, Jason R.¹  Park, Joong Sun¹  Shin, Youngho²  Yonemoto, Bryan T.¹  Balasubramanian, Mahalingam³  Long, Brandon R.¹  Ren, Yang³  Thackeray, Michael M.¹ 

[1] Argonne Natl Lab, Electrochem Energy Storage Dept, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA

[2] Argonne Natl Lab, Mat Engn Res Facil, Div Energy Syst, 9700 S Cass Ave, Argonne, IL 60439 USA

[3] Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Argonne, IL 60439 USA

关键词: Lithium rich;    Manganese rich;    Composite;    Cathode;    Scale-up;    Lithium-ion;   

DOI  :  10.1016/j.jpowsour.2016.10.015

来源: Elsevier

【 摘 要 】

Herein we report early results on efforts to optimize the electrochemical performance of a cathode composed of a lithium- and manganese-rich layered-layered-spinel (LLS) material for lithium-ion battery applications. Pre-pilot scale synthesis leads to improved particle properties compared with lab-scale efforts, resulting in high capacities (similar to 200 mAh g(-1)) and good energy densities (>700 Wh kg(oxide)(-1)) in tests with lithium-ion cells. Subsequent surface modifications give further improvements in rate capabilities and high-voltage stability. These results bode well for advances in the performance of this class of lithium- and manganese-rich cathode materials. (C) 2016 Elsevier B.V. All rights reserved.

【 授权许可】

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