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Fluorinated Ethylene Carbonate as Electrolyte Additive for Rechargeable Na Batteries

ACS Applied Materials & Interfaces · 2011 · Vol. 3(11) · pp. 4165–4168
Shinichi KomabaToru IshikawaNaoaki YabuuchiWataru MurataAtsushi ItoYasuhiko Ohsawa

Abstract

Fluoroethylene carbonate is an efficient electrolyte additive to improve the reversibility of electrochemical sodium insertion for hard-carbon and NaNi(1/2)Mn(1/2)O(2) electrodes in aprotic Na cells. The additive is also capable of the electrochemical deposition/dissolution of metallic Na with higher reversibility because of improved passivation and suppression of side reactions between Na metal and propylene carbonate solution containing Na salts.

Advancements in Battery MaterialsAdvanced Battery Materials and TechnologiesSupercapacitor Materials and FabricationEthylene carbonateElectrolytePassivationMaterials scienceElectrochemistryPropylene carbonateCarbonateDissolutionInorganic chemistryMetal

Funding

  • Japan Society for the Promotion of Science
Citations
693
FWCI
25.61
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24
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