Atomic-Level Changes during Electrochemical Cycling of Oriented LiMn2O4 Cathodic Thin Films.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.1c18630
Abstract: Spinel LiMn2O4 is an attractive lithium-ion battery cathode material that undergoes a complex series of structural changes during electrochemical cycling that lead to rapid capacity fading, compromising its long-term performance. To gain insights into this… read more here.
Keywords: atomic level; electrochemical cycling; thin films; changes electrochemical ... See more keywords
Breathing and oscillating growth of solid-electrolyte-interphase upon electrochemical cycling.
Sign Up to like & getrecommendations! Published in 2018 at "Chemical communications"
DOI: 10.1039/c7cc07082a
Abstract: We report the first direct experimental evidence of the dynamic behavior of the solid-electrolyte-interphase (SEI) on copper electrodes upon electrochemical cycling. Synchrotron-based soft X-ray absorption spectroscopy (sXAS) and time-of-flight secondary ion mass spectrometry (TOF-SIMS) consistently… read more here.
Keywords: electrolyte interphase; solid electrolyte; upon electrochemical; electrochemical cycling ... See more keywords
Nanoscale Morphological Changes at Lithium Interface, Triggered by the Electrolyte Composition and Electrochemical Cycling
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Chemistry"
DOI: 10.1155/2019/4102382
Abstract: Understanding the electrochemical and morphological properties of the Li-electrolyte interface plays a central role in the implementation of metallic Li in safe and efficient electrochemical energy storage. The current study explores the influence of soluble… read more here.
Keywords: morphological changes; electrochemical cycling; spectroscopy; interface ... See more keywords
Heat Generation in NMC622 Coin Cells during Electrochemical Cycling: Separation of Reversible and Irreversible Heat Effects
Sign Up to like & getrecommendations! Published in 2020 at "Batteries"
DOI: 10.3390/batteries6040055
Abstract: The thermal behavior of a commercial lithium-ion cell with the cathode material LiNi0.6Mn0.2Co0.2O2 (NMC622) was investigated during the cycling process using a Tian-Calvet calorimeter (C80, SETARAM Instrumentation, France). Various current flows of 42.5, 85, and… read more here.
Keywords: irreversible heat; electrochemical cycling; heat generation; heat ... See more keywords