Effects of Butadiene Sulfone as an Electrolyte Additive on the Formation of Solid Electrolyte Interphase in Lithium-Ion Batteries Based on Li4Ti5O12 Anode Materials

In this study, butadiene sulfone (BS) was selected as an efficient electrolyte additive to stabilize the solid electrolyte interface (SEI) film on the lithium titanium oxide (LTO) electrodes in Li-ion batteries (LIBs). It was found that the use of BS as an additive could accelerate the growth of sta...

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Bibliographic Details
Published in:Polymers 2023-04, Vol.15 (8), p.1965
Main Authors: Kung, Yu-Ruei, Li, Cheng-Yao, Hasin, Panitat, Su, Chia-Hung, Lin, Jeng-Yu
Format: Article
Language:English
Subjects:
Anodes
Butadiene
Decomposition
Electric vehicles
Electrochemical analysis
Electrode materials
Electrodes
Electrolytes
Energy storage
Graphite
Lithium
Lithium-ion batteries
Low voltage
Rechargeable batteries
Solid electrolytes
Surface stability
Thickness
Titanium oxides
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Summary:In this study, butadiene sulfone (BS) was selected as an efficient electrolyte additive to stabilize the solid electrolyte interface (SEI) film on the lithium titanium oxide (LTO) electrodes in Li-ion batteries (LIBs). It was found that the use of BS as an additive could accelerate the growth of stable SEI film on the LTO surface, leading to the improved electrochemical stability of LTO electrodes. It can be supported by the BS additive to effectively reduce the thickness of SEI film, and it significantly enhances the electron migration in the SEI film. Consequently, the LIB-based LTO anode in the electrolyte containing 0.5 wt.% BS showed a superior electrochemical performance to that in the absence of BS. This work provides a new prospect for an efficient electrolyte additive for next-generation LIBs-based LTO anodes, especially when discharged to low voltage.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym15081965