Sk on Co., Ltd.

Sk Innovation Co., Ltd.

In Ae Lee

Gwi Ok Park

Eun Jun Park

Hyo Shik Kil

Ji Min Kim

Seung Ok Lee

Min Ji Sung

Young Bin Seo

Provided are a negative electrode for a lithium secondary battery and a method of manufacturing the same. The negative electrode for a lithium secondary battery according to an embodiment of the present invention includes a silicon-based material doped with lithium having a content A, iron having a content B, and aluminum having a content C,

Negative electrode for lithium secondary battery and method of manufacturing the same

In a method for recovering active metals of a lithium secondary battery according to an embodiment, a cathode active material mixture is collected from the cathode of the lithium secondary battery, the cathode active material mixture is reduced by a reducing reaction to prepare a preliminary precursor mixture, an aqueous lithium precursor solution is formed from the preliminary precursor mixture, and an aluminum-containing material is removed from the aqueous lithium precursor solution with an aluminum removing resin.

Method for recovering active metal of lithium secondary battery

Provided are a negative electrode for a lithium secondary battery and a method of manufacturing the same. The negative electrode for a lithium secondary battery according to an embodiment of the present invention includes a negative electrode active material including: a silicon oxide, lithium, and sodium or potassium, wherein in ICP analysis of a negative electrode active material layer including the negative electrode active material, contents of elements in the negative electrode active material layer satisfy the following Relations (1) and (2):300≤10/()≤12.0*10  (1)800≤≤140,000  (2)

Provided are a negative electrode for a lithium secondary battery and a method of manufacturing the same. The negative electrode for a lithium secondary battery according to an embodiment of the present invention includes a silicon-based negative electrode active material including iron and aluminum, wherein in ICP analysis of a negative electrode active material layer including the silicon-based negative electrode active material, contents of elements in the negative electrode active material layer satisfy the following Relations (1) to (3):/()≤4,500  (1)5≤≤1,500  (2)3≤≤1,000  (3)

Growing community of inventors

Daejeon, South Korea

In Ae Lee