What is it about?
The group’s work has demonstrated the convincing proofs that the LiO2 functions as the intermediate products during charge and discharge, and that the evolution of O2– radicals and the subsequent diffusion through the liquid electrolyte should be responsible for the actual poor reaction kinetics.
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Why is it important?
These findings, published in Nano Energy, 49 (2018) 338–345, could explain the origins of the large charge overpotentials of the battery, and they are expected to guide the future material design and structural engineering of the associated battery materials for better performance. According to the researchers, the methodology used in this work can also be applied in the study of other battery systems such as lithium-sulfur batteries, where there are lots of mysteries not understood yet.
Read the Original
This page is a summary of: Operando liquid cell electron microscopy of discharge and charge kinetics in lithium-oxygen batteries, Nano Energy, July 2018, Elsevier,
DOI: 10.1016/j.nanoen.2018.04.046.
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