SEPARATOR, PREPARATION METHOD THEREFOR, AND SECONDARY BATTERY AND ELECTRIC DEVICE RELATED THERETO

Provided in the present application are a separator, a preparation method therefor, and a secondary battery and an electric device related thereto. The separator comprises a porous base material and ferroelectric ceramic particles, wherein the porous base material comprises a first area and a second...

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Bibliographische Detailangaben
Hauptverfasser:	OUYANG, Chuying, LIU, Feng, GUAN, Wenhao, FAN, Yulei, GE, Xiaoming, LING, Yuexia, ZHONG, Wei
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:	Provided in the present application are a separator, a preparation method therefor, and a secondary battery and an electric device related thereto. The separator comprises a porous base material and ferroelectric ceramic particles, wherein the porous base material comprises a first area and a second area which are arranged in the thickness direction of the separator, and the ferroelectric ceramic particles are dispersed in the first area. The separator of the present application has improved performance. When the separator is used in a secondary battery, the safety performance, the cycle performance and the like of the secondary battery are improved. La présente demande concerne un séparateur et son procédé de préparation, et une batterie secondaire et un dispositif électrique s'y rapportant. Le séparateur comprend un matériau de base poreux et des particules de céramique ferroélectrique, le matériau de base poreux comprenant une première zone et une seconde zone qui sont agencées dans la direction de l'épais