Electrolytes and separators for lithium metal batteries

Electrolytes and separators for lithium metal batteries

The present disclosure relates to electrolyte systems and/or separators for electrochemical cells that cycle lithium ions and which may have lithium metal electrodes. The electrochemical cell includes a liquid electrolyte system that fills voids and pores within the electrochemical cell. The electro...

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Hauptverfasser: Cai, Mei, Wang, Biqiong, He, Meinan
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Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator Cai, Mei
Wang, Biqiong
He, Meinan
description The present disclosure relates to electrolyte systems and/or separators for electrochemical cells that cycle lithium ions and which may have lithium metal electrodes. The electrochemical cell includes a liquid electrolyte system that fills voids and pores within the electrochemical cell. The electrolyte system includes two or more lithium salts and two or more solvents. The two or more lithium salts include bis(fluorosulfonyl)imide (LiN(FSO2)2) (LIFSI) and lithium perchlorate (LiClO4). The two or more solvents include a first solvent and a second solvent. The first solvent may be a fluorinated cyclic carbonate. The second solvent may be a linear carbonate. A volumetric ratio of the first solvent to the second solvent may be 1:4. The electrochemical cell may include a surface-modified separator that has one or more coatings or fillers.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Electrolytes and separators for lithium metal batteries
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