Diaphragm and battery

The invention provides a diaphragm and a battery, the diaphragm comprises a base material film and an adsorption coating, the base material film comprises a first side surface and a second side surface which are arranged back to back, the adsorption coating is coated on the first side surface and/or...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LIANG GUANGLIN, LI SULI, FANG JIALIN, WANG FENG
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention provides a diaphragm and a battery, the diaphragm comprises a base material film and an adsorption coating, the base material film comprises a first side surface and a second side surface which are arranged back to back, the adsorption coating is coated on the first side surface and/or the second side surface, and the adsorption coating is used for adsorbing at least one of the following metal ions: nickel ions, cobalt ions and manganese ions, the adsorption coating comprises cellulose and a safe coating. According to the invention, the problem of poor barrier effect of the diaphragm on metal ions such as nickel ions, cobalt ions and manganese ions is solved. 本发明提供一种隔膜和电池,所述隔膜包括:基材膜和吸附涂层,所述基材膜包括相背设置的第一侧面和第二侧面,所述吸附涂层涂覆在所述第一侧面和/或第二侧面,所述吸附涂层用于吸附以下至少一种金属离子:镍离子、钴离子和锰离子,所述吸附涂层包括纤维素和安全涂料。本发明解决了隔膜对镍离子、钴离子、锰离子等金属离子的阻隔效果较差的问题。