Journal
JOURNAL OF POWER SOURCES
Volume 334, Issue -, Pages 213-220Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2016.10.015
Keywords
Lithium rich; Manganese rich; Composite; Cathode; Scale-up; Lithium-ion
Funding
- Advanced Batteries Materials Research (BMR) Program
- U.S. Department of Energy-Basic Energy Sciences
- Canadian Light Source
- University of Washington
- Advanced Photon Source
- U.S. Department of Energy Office of Science Laboratory [DE-AC02-06CH11357]
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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.
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