In Situ Infrared Micro and Nanospectroscopy for Discharge Chemical Composition Investigation of Non‐Aqueous Lithium–Air Cells (Adv. Energy Mater. 45/2021)

In Situ Infrared Micro and Nanospectroscopy for Discharge Chemical Composition Investigation of Non‐Aqueous Lithium–Air Cells (Adv. Energy Mater. 45/2021)

Li–Air Batteries In article number 2101884, Gustavo Doubek and co‐workers report the use of multi‐scale FTIR (Micro‐Nano) to track the chemical evolution and inhomogeneities of Li–Air batteries under a realistic atmosphere. The study combines Synchrotron Infrared Nano‐Spectroscopy over distinct spot...

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Veröffentlicht in:Advanced energy materials 2021-12, Vol.11 (45), p.n/a
Hauptverfasser: Nepel, Thayane C. M., Anchieta, Chayene G., Cremasco, Leticia F., Sousa, Bianca P., Miranda, André N., Oliveira, Lorrane C. C. B., Francisco, Bruno A. B., Júlio, Julia P. de O., Maia, Francisco C. B., Freitas, Raul O., Rodella, Cristiane B., Filho, Rubens M., Doubek, Gustavo
Format: Artikel
Sprache:eng
Schlagworte:
Air batteries
Chemical composition
Chemical evolution
Decoupling
Discharge
Electrolytic cells
Lithium
lithium–air batteries
operando FTIR
SINS
Synchrotrons
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Zusammenfassung:Li–Air Batteries In article number 2101884, Gustavo Doubek and co‐workers report the use of multi‐scale FTIR (Micro‐Nano) to track the chemical evolution and inhomogeneities of Li–Air batteries under a realistic atmosphere. The study combines Synchrotron Infrared Nano‐Spectroscopy over distinct spots in the electrode with micro‐sized FTIR showing high sensitivity for chemical changes, highlighting a decoupling of composition with discharge rate and a fast electrolyte degradation process.
ISSN:1614-6832
1614-6840
DOI:10.1002/aenm.202170177