LITHIUM BATTERY CURRENT COLLECTOR HAVING PROTECTION FUNCTION

Disclosed is a lithium battery current collector having a protection function, comprising: a metal foil, wherein the metal foil has a first surface and a second surface opposite to each other, and is used as a base foil of the lithium battery current collector; a first conductive composite layer hav...

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Bibliographische Detailangaben
Hauptverfasser:	SHENG, Jianmin, YANG, Quanquan, WANG, Jun, LIU, Haohan, ZHU, Tianshu, MIN, Guoquan
Format:	Patent
Sprache:	chi ; eng ; fre
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:	Disclosed is a lithium battery current collector having a protection function, comprising: a metal foil, wherein the metal foil has a first surface and a second surface opposite to each other, and is used as a base foil of the lithium battery current collector; a first conductive composite layer having a positive temperature coefficient of resistance, the first conductive composite layer being closely bonded to the first surface of the metal foil; and a second conductive composite layer having the positive temperature coefficient of resistance, the second conductive composite layer being closely bonded to the second surface of the metal foil. The lithium battery current collector having a protection function can effectively avoid thermal runaway of lithium batteries and improve the safety performance of the lithium batteries. L'invention concerne un collecteur de courant de batterie au lithium ayant une fonction de protection, comprenant : une feuille de métal, la feuille de métal ayant une première surface e