Electrolyte system for high voltage lithium ion battery

Electrolyte system for high voltage lithium ion battery

A secondary high energy density lithium ion cell includes a cathode comprising a high voltage cathode active material, a lithium metal anode, and a non-aqueous electrolyte, wherein the non-aqueous electrolyte comprises an imide salt with a fluorosulfonyl group and a perchlorate salt, wherein the ele...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Li, Xiaobo, Hwang, Jaehee, Hu, Qichao
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:A secondary high energy density lithium ion cell includes a cathode comprising a high voltage cathode active material, a lithium metal anode, and a non-aqueous electrolyte, wherein the non-aqueous electrolyte comprises an imide salt with a fluorosulfonyl group and a perchlorate salt, wherein the electrolyte is electrochemically stable at operating voltages greater than 4.2V.