Isothermal microcalorimetry as a tool to study solid–electrolyte interphase formation in lithium-ion cells

2016 ◽  
Vol 18 (16) ◽  
pp. 11383-11390 ◽  
Author(s):  
David S. Hall ◽  
Stephen L. Glazier ◽  
J. R. Dahn

Isothermal microcalorimetry can be used in conjunction with electrochemical measurements to study solid–electrolyte interphase (SEI) formation reactions as they occur in a Li-ion cell.

2017 ◽  
Vol 164 (14) ◽  
pp. A3503-A3510 ◽  
Author(s):  
M. Uitz ◽  
M. Sternad ◽  
S. Breuer ◽  
C. Täubert ◽  
T. Traußnig ◽  
...  

2014 ◽  
Vol 20 (4) ◽  
pp. 1029-1037 ◽  
Author(s):  
Raymond R. Unocic ◽  
Xiao-Guang Sun ◽  
Robert L. Sacci ◽  
Leslie A. Adamczyk ◽  
Daan Hein Alsem ◽  
...  

AbstractComplex, electrochemically driven transport processes form the basis of electrochemical energy storage devices. The direct imaging of electrochemical processes at high spatial resolution and within their native liquid electrolyte would significantly enhance our understanding of device functionality, but has remained elusive. In this work we use a recently developed liquid cell for in situ electrochemical transmission electron microscopy to obtain insight into the electrolyte decomposition mechanisms and kinetics in lithium-ion (Li-ion) batteries by characterizing the dynamics of solid electrolyte interphase (SEI) formation and evolution. Here we are able to visualize the detailed structure of the SEI that forms locally at the electrode/electrolyte interface during lithium intercalation into natural graphite from an organic Li-ion battery electrolyte. We quantify the SEI growth kinetics and observe the dynamic self-healing nature of the SEI with changes in cell potential.


2019 ◽  
Vol 443 ◽  
pp. 227243 ◽  
Author(s):  
Mathias Storch ◽  
Severin Lukas Hahn ◽  
Jochen Stadler ◽  
Ramanathan Swaminathan ◽  
Dragoljub Vrankovic ◽  
...  

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