Electrolytes for lithium-sulfur electrochemical cells

Details Electrolytes for lithium-sulfur electrochemical cells Electrolytes for lithium-sulfur electrochemical cells

H - Electricity

01

M

H01M 10/40 (2006.01)

Patent

CA 2555956

Disclosed is an electrolyte for an electrochemical cell wherein the electrolyte includes a solvent mixture comprising a dioxolane and one or more of 1,2-dialkoxyalkanes of 5 or 6 carbon atoms and/or 1,3-dialkoxyalkanes of 5 or 6 carbon atoms. Also disclosed are cells and batteries including the electrolyte. An electrochemical cell including the electrolyte preferably has an anode that includes lithium and a cathode including an electroactive sulfur- containing material.

Cette invention concerne un électrolyte pour cellule électrochimique, lequel électrolyte comprend un mélange de solvant comprenant un dioxolane et un ou plusieurs 1,2-dialcoxyalkanes comprenant 5 ou 6 atomes de carbone et/ou 1,3-dialcoxyalkanes comprenant 5 ou 6 atomes de carbone. Cette invention concerne également des cellules et des piles comprenant l'électrolyte. Une cellule électrochimique comprenant l'électrolyte comprend de préférence une anode qui comprend du lithium et une cathode qui comprend un matériau à base de soufre électroactif.

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