Investigation of the Effect of Added Methylene Ethylene Carbonate (MEC) and Vinylene Carbonate (VC) on LiNi0.5Mn1.5O4/Graphite Cell Performance

2016 ◽  
Vol 163 (10) ◽  
pp. A2413-A2417 ◽  
Author(s):  
Yingnan Dong ◽  
Julien Demeaux ◽  
Brett L. Lucht
Keyword(s):  
Ethylene Carbonate ◽  
Cell Performance ◽  
Vinylene Carbonate ◽  
Graphite Cell

In situ atomic force microscope observing the effect of vinylene carbonate on the formation of solid-electrolyte interphase layer during the initial cycle

2017 ◽  
Vol 10 (05) ◽  
pp. 1750052 ◽  
Author(s):  
Lingpiao Lin ◽  
Kai Yang ◽  
Haibiao Chen ◽  
Feng Pan
Keyword(s):  
Solid Electrolyte ◽  
Atomic Force Microscope ◽  
Ethylene Carbonate ◽  
Solid Electrolyte Interphase ◽  
Lithium Intercalation ◽  
Vinylene Carbonate ◽  
Atomic Force ◽  
Sei Layer ◽  
Initial Cycle

We used in situ atomic force microscope to observe the evolution of the solid-electrolyte interphase (SEI) layer on the graphite surface during the initial lithium intercalation process. We found that 1% vinylene carbonate (VC) in the electrolyte can promote the formation of an initial SEI at a higher potential by VC reduction. VC also restrained the reduction of ethylene carbonate (EC) and as a consequence, it can affect the morphology of the SEI formed.

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