ARTIFICIAL SEI CATHODE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

Disclosed herein is an artificial solid electrolyte interface (SEI) cathode material for use in a rechargeable battery, particularly a lithium battery. The artificial SEI cathode material includes in its structure, a cathode material, and a conductive polymer/carbon composite encapsulating the catho...

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Hauptverfasser: LIN, Chih-Chan, PERNG, Li-Hsiang, CHUANG, Chen-Chun
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creator LIN, Chih-Chan
PERNG, Li-Hsiang
CHUANG, Chen-Chun
description Disclosed herein is an artificial solid electrolyte interface (SEI) cathode material for use in a rechargeable battery, particularly a lithium battery. The artificial SEI cathode material includes in its structure, a cathode material, and a conductive polymer/carbon composite encapsulating the cathode material for forming an artificial solid electrolyte interface (SEI) around the cathode in the secondary battery, in which the conductive polymer/carbon composite is no more than 5% by weight of that of the artificial cathode material. Also provided herein is a lithium secondary battery including a cathode formed from the artificial SEI cathode material that renders the lithium secondary battery a reduced level of equivalent series resistance (ESR), an enhanced level of capacitance, and a long cycle life-time.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title ARTIFICIAL SEI CATHODE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME
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