The origin of potential rise during charging of Li-O2 batteries
Sign Up to like & getrecommendations! Published in 2017 at "Science China Chemistry"
DOI: 10.1007/s11426-017-9085-5
Abstract: When aprotic Li-O2 batteries recharge, the solid Li2O2 in the positive electrode is oxidized, which often exhibits a continuous or step increase in the charging potential as a function of the charging capacity, and its… read more here.
Keywords: potential rise; li2o2; charging batteries; rise charging ... See more keywords
An electrochemical investigation of oxygen adsorption on Pt single crystal electrodes in a non-aqueous Li+ electrolyte
Sign Up to like & getrecommendations! Published in 2020 at "Electrochemistry Communications"
DOI: 10.1016/j.elecom.2020.106814
Abstract: Abstract Cyclic voltammetry has been used to probe the initial stages of oxygen reduction and oxidation in lithium-containing dimethyl sulfoxide at well-defined Pt single crystal electrodes in order to elucidate any catalytic effects ascribable to… read more here.
Keywords: oxygen; li2o2; single crystal; surface ... See more keywords
Potassium Doping Facilitated Formation of Tunable Superoxides in Li2O2 for Improved Electrochemical Kinetics.
Sign Up to like & getrecommendations! Published in 2020 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.9b21554
Abstract: Superoxide (O2-) species play a crucial role in determining the charge kinetics for aprotic lithium-oxygen (Li-O2) batteries. However, the growth of O2--rich lithium peroxide (Li2O2) is challenging since O2- is thermodynamically unfavorable and unstable in… read more here.
Keywords: li2o2; tunable superoxides; potassium doping; formation tunable ... See more keywords
True Reaction Sites on Discharge in Li-O2 Batteries.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.1c09916
Abstract: In the pursuit of an advanced Li-O2 battery, the true reaction sites in the cathode determined its cell performance and the catalyst design. When the first layer of insulating Li2O2 solid is deposited on the… read more here.
Keywords: li2o2; reaction; true reaction; catalyst design ... See more keywords