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Redox shuttles for safer lithium-ion batteries
Authors:Zonghai Chen  Yan Qin  Khalil Amine  
Affiliation:aChemical Sciences and Engineering Division, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439, USA
Abstract:Overcharge protection is not only critical for preventing the thermal runaway of lithium-ion batteries during operation, but also important for automatic capacity balancing during battery manufacturing and repair. A redox shuttle is an electrolyte additive that can be used as intrinsic overcharge protection mechanism to enhance the safety characteristics of lithium-ion batteries. The advances on stable redox shuttles are briefly reviewed. Fundamental studies for designing stable redox shuttles are also discussed.
Keywords:Redox shuttle  Overcharge protection  Lithium-ion battery  Electrolyte additive
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