PERFLUOROPOLYETHER ADDITIVES FOR LITHIUM ION BATTERY ANODES

PERFLUOROPOLYETHER ADDITIVES FOR LITHIUM ION BATTERY ANODES

A lithium ion battery includes a cathode, an anode including a silicon-based active material, a separator between the anode and the cathode, a liquid electrolyte, and an elastic and hydrophobic solid-electrolyte interphase layer between and in contact with the anode and electrolyte. Further, the ele...

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Hauptverfasser: WUJCIK, KEVIN, DREWS, ANDREW ROBERT
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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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DREWS, ANDREW ROBERT
description A lithium ion battery includes a cathode, an anode including a silicon-based active material, a separator between the anode and the cathode, a liquid electrolyte, and an elastic and hydrophobic solid-electrolyte interphase layer between and in contact with the anode and electrolyte. Further, the electrolyte or a surface of the anode includes a perfluoropolyether compound. A method of forming a lithium ion battery includes cycling the battery, that includes a cathode, an anode having a silicon-based active material, a perfluoropolyether compound, and an electrolyte, to prompt formation of an elastic and hydrophobic solid-electrolyte interphase layer including the perfluoropolyether compound and between and in contact with the electrolyte and a surface of the anode.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title PERFLUOROPOLYETHER ADDITIVES FOR LITHIUM ION BATTERY ANODES
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