Journal
ADVANCED ENERGY MATERIALS
Volume 7, Issue 8, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201600922
Keywords
aqueous lithium-ion batteries; high energy density; high voltage; LiNi0; 5(Mn)1; 5O(4); water-in-salt electrolyte
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Funding
- DOE ARPA-E [DEAR0000389]
- Maryland Nano Center and its NispLab
- NSF
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A 2.9 V intrinsic safe aqueous LiNi0.5Mn1.5O4/Mo6S8 full cell delivers 80 W h kg(-1) energy density with capacity decay of 0.075% per cycle (5 C). After the electrolyte pH value adjustment, almost full capacity of LiNi0.5Mn1.5O4 (125 mA h kg(-1)) is achieved, and 126 W h kg(-1) energy density is provided for LiNi0.5Mn1.5O4/Mo6S8 cell, representing one of the highest voltage and energy density among all the aqueous batteries.
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