Keywords
charge-discharge cycling
crown ethers
electrochemical impedance
lithium battery
lithium ferro phosphate cathode.
lithium ions
organic electrolyte
quantum-chemical modeling
Abstract
A new crown ether, 3-pentadecyl-2,4-dioxo-16-crown-5, with surfactant properties has been synthesized in three simple steps from diethyl pentadecylmalonate. Quantum chemical calculations show that this crown ether is capable of adsorbing both on the surface of the lithium anode and on the surface of carbon. The effectiveness of its application as a functional additive in organic electrolyte for lithium batteries has been experimentally confirmed.
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