Direct visualization of initial SEI morphology and growth kinetics during lithium deposition by in situ electrochemical transmission electron microscopy
Chemical Communications, 2014•pubs.rsc.org
Deposition of Li is a major safety concern existing in Li-ion secondary batteries. Here we
perform the first in situ high spatial resolution measurement coupled with real-time
quantitative electrochemistry to characterize SEI formation on gold using a standard battery
electrolyte. We demonstrate that a dendritic SEI forms prior to Li deposition and that it
remains on the surface after Li electrodissolution.
perform the first in situ high spatial resolution measurement coupled with real-time
quantitative electrochemistry to characterize SEI formation on gold using a standard battery
electrolyte. We demonstrate that a dendritic SEI forms prior to Li deposition and that it
remains on the surface after Li electrodissolution.
Deposition of Li is a major safety concern existing in Li-ion secondary batteries. Here we perform the first in situ high spatial resolution measurement coupled with real-time quantitative electrochemistry to characterize SEI formation on gold using a standard battery electrolyte. We demonstrate that a dendritic SEI forms prior to Li deposition and that it remains on the surface after Li electrodissolution.
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