scholarly journals Operando bulk and interfacial characterization for electrochemical energy storage: Case study employing isothermal microcalorimetry and X-ray absorption spectroscopy

Author(s):  
Wenzao Li ◽  
Mallory N. Vila ◽  
Lisa M. Housel ◽  
Nahian Sadique ◽  
Genesis D. Renderos ◽  
...  

Abstract The global shift to electricity as the main energy carrier will require innovation in electrochemical energy storage (EES). EES systems are the key to the “electron energy economy,” minimizing losses and increasing reliability between energy supply and demand. However, steep challenges such as cost, cycle/calendar life, energy density, material availability, and safety limit widespread adoption of batteries for large-scale grid and vehicle applications. Battery innovation that meets today’s challenges will require new chemistries, which can originate from understanding charge transport phenomena at multiple time and length scales. The advancement of operando characterization can expedite this progress as changes can be observed during battery function. This article highlights progress in bulk and interfacial operando characterization of batteries. Specifically, a case study involving Fe3O4 is provided demonstrating that combining X-ray absorption spectroscopy and isothermal microcalorimetry can provide real-time characterization of productive faradaic redox processes and parasitic interfacial reactions during (de)lithiation. Graphic abstract

1995 ◽  
Vol 34 (3) ◽  
pp. 343-346 ◽  
Author(s):  
John M. Charnock ◽  
C. David Garner ◽  
Alfred X. Trautwein ◽  
Eckard Bill ◽  
Heiner Winkler ◽  
...  

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