Journal Article

FZJ-2023-01626

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Screening of Coatings for an All-Solid-State Battery using In Situ Transmission Electron Microscopy

Basak, S. (Corresponding author)FZJ* ; Park, J.FZJ* ; Jo, J.FZJ* ; Camara, O.FZJ* ; Tavabi, A. H.FZJ* ; Tempel, H.FZJ* ; Kungl, H.FZJ* ; George, C. ; Dunin-Borkowski, R. E.FZJ* ; Mayer, J.FZJ* ; Eichel, R.-A.FZJ*RWTH*

2023
JoVE Cambridge, MA

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Please use a persistent id in citations: http://hdl.handle.net/2128/34339  doi:10.3791/64316

Abstract: With the ever-increasing use of Li-ion batteries, especially due to their adoption in electric vehicles, their safety is in prime focus. Thus, the all-solid-state batteries (ASSBs) that use solid electrolytes instead of liquid electrolytes, which reduce the risk of flammability, have been the center stage of battery research for the last few years. However, in the ASSB, the ion transportation through the solid-solid electrolyte-electrode interface poses a challenge due to contact and chemical/electrochemical stability issues. Applying a suitable coating around the electrode and/or electrolyte particles offers a convenient solution, leading to better performance. For this, researchers are screening potential electronic/ionic conductive and nonconductive coatings to find the best coatings with suitable thickness for long-term chemical, electrochemical, and mechanical stability. Operando transmission electron microscopy (TEM) couples high spatial resolution with high temporal resolution to allow visualization of dynamic processes, and thus is an ideal tool to evaluate electrode/electrolyte coatings via studying (de)lithiation at a single particle level in real-time. However, the accumulated electron dose during a typical high-resolution in situ work may affect the electrochemical pathways, evaluation of which can be time-consuming. The current protocol presents an alternative procedure in which the potential coatings are applied on Si nanoparticles and are subjected to (de)lithiation during operando TEM experiments. The high volume changes of Si nanoparticles during (de)lithiation allow monitoring of the coating behavior at a relatively low magnification. Thus, the whole process is very electron-dose efficient and offers quick screening of potential coatings.

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Contributing Institute(s):

1. Physik Nanoskaliger Systeme (ER-C-1)
2. Materialwissenschaft u. Werkstofftechnik (ER-C-2)
3. Grundlagen der Elektrochemie (IEK-9)

Research Program(s):

1. 5351 - Platform for Correlative, In Situ and Operando Characterization (POF4-535) (POF4-535)
2. 5353 - Understanding the Structural and Functional Behavior of Solid State Systems (POF4-535) (POF4-535)
3. 1223 - Batteries in Application (POF4-122) (POF4-122)
4. Electroscopy - Electrochemistry of All-solid-state-battery Processes using Operando Electron Microscopy (892916) (892916)

Appears in the scientific report 2023

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Database coverage:
; ; BIOSIS Previews ; Clarivate Analytics Master Journal List ; IF < 5 ; JCR ; PubMed Central ; SCOPUS ; Web of Science Core Collection

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