Diatomite filtering, pre-coating and filtering assisting process for producing lithium battery copper foil

Diatomite filtering, pre-coating and filtering assisting process for producing lithium battery copper foil

The invention relates to the technical field of production of an electronic material lithium battery copper foil, in particular to a diatomite filtering, pre-coating and filtering assisting process for producing a lithium battery copper foil. Due to the fact that kieselguhr used for precoating of th...

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Hauptverfasser: ZHU JIE, BIE LIANGWEI, ZHANG YAJUAN, SUN LI, ZHAO ZHAO, YUE QUNZHOU, LI ZEHUA, ZHANG JINYE, BAO NENGYUAN, GUO KAIJIN
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creator ZHU JIE
BIE LIANGWEI
ZHANG YAJUAN
SUN LI
ZHAO ZHAO
YUE QUNZHOU
LI ZEHUA
ZHANG JINYE
BAO NENGYUAN
GUO KAIJIN
description The invention relates to the technical field of production of an electronic material lithium battery copper foil, in particular to a diatomite filtering, pre-coating and filtering assisting process for producing a lithium battery copper foil. Due to the fact that kieselguhr used for precoating of the filter is short of effective proportion and poor in precoating component, the phenomena that the stability of a kieselguhr precoating layer is poor, a filtering layer is prone to being impacted and damaged, and the service cycle is shortened are caused, the filtering efficiency of the kieselguhr is low, the cleanliness of electrolyte is poor, and then the defects of protruding points, hard spots and the like appear on the surface of copper foil are caused. And the appearance quality of the copper foil finished product is seriously influenced. According to the filtration aiding process, the use ratio of the coarse and fine filtration diatomite is optimized, the corresponding activated carbon is added in an auxilia
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PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title Diatomite filtering, pre-coating and filtering assisting process for producing lithium battery copper foil
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