METHOD FOR MANUFACTURING ANODE

WIPO Patent Application WO/2021/194260

A1

The present invention provides a method for manufacturing an anode, the method comprising the steps of: forming an anode active material layer by applying an anode slurry on an anode current collector and subjecting the applied anode slurry to first rolling; pre-lithiating the anode active material layer; and subjecting the pre-lithiated anode active material layer to second rolling, wherein the anode active material layer contains a silicon-based active material and the ratio (p1/p2) of the porosity (p1) of the anode active material layer after the first rolling to the porosity (p2) of the anode active material layer after the second rolling is 1.05 to 1.65.

WO/2016/027081	ELECTROACTIVE MATERIALS FOR METAL-ION BATTERIES
WO/2017/153678	ELECTRODE FOR LITHIUM-ION BATTERY COMPRISING A BINDER FORMED FROM A BLEND OF TWO POLYMERS, THE FIRST POLYMER BEING A FIRST POLYACRYLATE OR ONE OF ITS DERIVATIVES, THE SECOND POLYMER BEING A SECOND POLYACRYLATE OR A CARBOXYMETHYL CELLULOSE OR ONE OF THEIR DERIVATIVES, INK FOR PRODUCING SUCH AN ELECTRODE.
JP7170330	Negative electrode for secondary battery and secondary battery

KIM YOUNG JAE (KR)
YOO JUNG WOO (KR)
JUN CHAN SOO (KR)

PCT/KR2021/003656

September 30, 2021

March 24, 2021

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LG ENERGY SOLUTION LTD (KR)

H01M4/1395; H01M4/02; H01M4/04; H01M4/1391; H01M4/38; H01M4/48; H01M10/052

KR20190017149A	2019-02-20
KR20140111622A	2014-09-19
KR20130007320A	2013-01-18
KR20060056969A	2006-05-25
KR20190083305A	2019-07-11
KR20170074030A	2017-06-29

BAE, KIM & LEE IP (KR)

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