Journal
ADVANCED ENERGY MATERIALS
Volume 7, Issue 6, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201601284
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Funding
- Energy Efficiency and Renewable Energy, Office of Vehicle Technologies of the U.S. and Department of Energy under the Advanced Battery Materials Research program [DE-AC02-05CH11231, 18769]
- IT R&D program of MOTIE/KEIT [10046306]
- Korea Evaluation Institute of Industrial Technology (KEIT) [10046306] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The lithium- and manganese-rich (LMR) layered structure cathodes exhibit one of the highest specific energies (approximate to 900 W h kg(-1)) among all the cathode materials. However, the practical applications of LMR cathodes are still hindered by several significant challenges, including voltage fade, large initial capacity loss, poor rate capability and limited cycle life. Herein, we review the recent progress and in depth understandings on the application of LMR cathode materials from a practical point of view. Several key parameters of LMR cathodes that affect the LMR/graphite full-cell operation are systematically analyzed. These factors include the first-cycle capacity loss, voltage fade, powder tap density, and electrode density. New approaches to minimize the detrimental effects of these factors are highlighted in this work. We also provide perspectives for the future research on LMR cathode materials, focusing on addressing the fundamental problems of LMR cathodes while keeping practical considerations in mind.
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